ldc/gen/toir.cpp
Tomas Lindquist Olsen 17247d63e7 [svn r141] fixed more problems with classinfo
moved more IR state out of the AST classes
2008-01-18 16:42:16 +01:00

3013 lines
90 KiB
C++

// Backend stubs
/* DMDFE backend stubs
* This file contains the implementations of the backend routines.
* For dmdfe these do nothing but print a message saying the module
* has been parsed. Substitute your own behaviors for these routimes.
*/
#include <stdio.h>
#include <math.h>
#include <sstream>
#include <fstream>
#include <iostream>
#include "gen/llvm.h"
#include "attrib.h"
#include "total.h"
#include "init.h"
#include "mtype.h"
#include "hdrgen.h"
#include "port.h"
#include "gen/irstate.h"
#include "gen/logger.h"
#include "gen/tollvm.h"
#include "gen/runtime.h"
#include "gen/arrays.h"
#include "gen/structs.h"
#include "gen/classes.h"
#include "gen/typeinf.h"
#include "gen/complex.h"
#include "gen/dvalue.h"
#include "gen/aa.h"
#include "gen/functions.h"
//////////////////////////////////////////////////////////////////////////////////////////
DValue* DeclarationExp::toElem(IRState* p)
{
Logger::print("DeclarationExp::toElem: %s | T=%s\n", toChars(), type->toChars());
LOG_SCOPE;
// variable declaration
if (VarDeclaration* vd = declaration->isVarDeclaration())
{
Logger::println("VarDeclaration");
// static
if (vd->isDataseg())
{
vd->toObjFile(); // TODO
}
else
{
if (global.params.llvmAnnotate)
DtoAnnotation(toChars());
Logger::println("vdtype = %s", vd->type->toChars());
// referenced by nested delegate?
if (vd->nestedref) {
Logger::println("has nestedref set");
assert(vd->irLocal);
vd->irLocal->value = p->func()->decl->irFunc->nestedVar;
assert(vd->irLocal->value);
assert(vd->irLocal->nestedIndex >= 0);
}
// normal stack variable
else {
// allocate storage on the stack
const llvm::Type* lltype = DtoType(vd->type);
llvm::AllocaInst* allocainst = new llvm::AllocaInst(lltype, vd->toChars(), p->topallocapoint());
//allocainst->setAlignment(vd->type->alignsize()); // TODO
assert(!vd->irLocal);
vd->irLocal = new IrLocal(vd);
vd->irLocal->value = allocainst;
}
Logger::cout() << "llvm value for decl: " << *vd->irLocal->value << '\n';
DValue* ie = DtoInitializer(vd->init);
}
return new DVarValue(vd, vd->getIrValue(), true);
}
// struct declaration
else if (StructDeclaration* s = declaration->isStructDeclaration())
{
Logger::println("StructDeclaration");
DtoForceConstInitDsymbol(s);
}
// function declaration
else if (FuncDeclaration* f = declaration->isFuncDeclaration())
{
Logger::println("FuncDeclaration");
DtoForceDeclareDsymbol(f);
}
// alias declaration
else if (AliasDeclaration* a = declaration->isAliasDeclaration())
{
Logger::println("AliasDeclaration - no work");
// do nothing
}
// enum
else if (EnumDeclaration* e = declaration->isEnumDeclaration())
{
Logger::println("EnumDeclaration - no work");
// do nothing
}
// class
else if (ClassDeclaration* e = declaration->isClassDeclaration())
{
Logger::println("ClassDeclaration");
DtoForceConstInitDsymbol(e);
}
// typedef
else if (TypedefDeclaration* tdef = declaration->isTypedefDeclaration())
{
Logger::println("TypedefDeclaration");
tdef->type->getTypeInfo(NULL);
}
// attribute declaration
else if (AttribDeclaration* a = declaration->isAttribDeclaration())
{
Logger::println("AttribDeclaration");
for (int i=0; i < a->decl->dim; ++i)
{
DtoForceDeclareDsymbol((Dsymbol*)a->decl->data[i]);
}
}
// unsupported declaration
else
{
error("Unimplemented DeclarationExp type. kind: %s", declaration->kind());
assert(0);
}
return 0;
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* VarExp::toElem(IRState* p)
{
Logger::print("VarExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
assert(var);
if (VarDeclaration* vd = var->isVarDeclaration())
{
Logger::println("VarDeclaration %s", vd->toChars());
// _arguments
if (vd->ident == Id::_arguments)
{
Logger::println("Id::_arguments");
if (!vd->getIrValue())
vd->getIrValue() = p->func()->decl->irFunc->_arguments;
assert(vd->getIrValue());
return new DVarValue(vd, vd->getIrValue(), true);
}
// _argptr
else if (vd->ident == Id::_argptr)
{
Logger::println("Id::_argptr");
if (!vd->getIrValue())
vd->getIrValue() = p->func()->decl->irFunc->_argptr;
assert(vd->getIrValue());
return new DVarValue(vd, vd->getIrValue(), true);
}
// _dollar
else if (vd->ident == Id::dollar)
{
Logger::println("Id::dollar");
assert(!p->arrays.empty());
llvm::Value* tmp = DtoArrayLen(p->arrays.back());
return new DVarValue(vd, tmp, false);
}
// typeinfo
else if (TypeInfoDeclaration* tid = vd->isTypeInfoDeclaration())
{
Logger::println("TypeInfoDeclaration");
DtoForceDeclareDsymbol(tid);
assert(tid->getIrValue());
const llvm::Type* vartype = DtoType(type);
llvm::Value* m;
if (tid->getIrValue()->getType() != getPtrToType(vartype))
m = p->ir->CreateBitCast(tid->getIrValue(), vartype, "tmp");
else
m = tid->getIrValue();
return new DVarValue(vd, m, true);
}
// classinfo
else if (ClassInfoDeclaration* cid = vd->isClassInfoDeclaration())
{
Logger::println("ClassInfoDeclaration: %s", cid->cd->toChars());
DtoDeclareClassInfo(cid->cd);
assert(cid->cd->irStruct->classInfo);
return new DVarValue(vd, cid->cd->irStruct->classInfo, true);
}
// nested variable
else if (vd->nestedref) {
Logger::println("nested variable");
return new DVarValue(vd, DtoNestedVariable(vd), true);
}
// function parameter
else if (vd->isParameter()) {
Logger::println("function param");
if (!vd->getIrValue()) {
// TODO: determine this properly
// this happens when the DMD frontend generates by pointer wrappers for struct opEquals(S) and opCmp(S)
vd->getIrValue() = &p->func()->func->getArgumentList().back();
}
if (vd->isRef() || vd->isOut() || DtoIsPassedByRef(vd->type) || llvm::isa<llvm::AllocaInst>(vd->getIrValue())) {
return new DVarValue(vd, vd->getIrValue(), true);
}
else if (llvm::isa<llvm::Argument>(vd->getIrValue())) {
return new DImValue(type, vd->getIrValue());
}
else assert(0);
}
else {
// take care of forward references of global variables
if (vd->isDataseg() || (vd->storage_class & STCextern)) {
vd->toObjFile();
DtoConstInitGlobal(vd);
}
if (!vd->getIrValue() || vd->getIrValue()->getType()->isAbstract()) {
Logger::println("global variable not resolved :/ %s", vd->toChars());
assert(0);
}
return new DVarValue(vd, vd->getIrValue(), true);
}
}
else if (FuncDeclaration* fdecl = var->isFuncDeclaration())
{
Logger::println("FuncDeclaration");
if (fdecl->llvmInternal != LLVMva_arg) {// && fdecl->llvmValue == 0)
DtoForceDeclareDsymbol(fdecl);
}
return new DFuncValue(fdecl, fdecl->irFunc->func);
}
else if (SymbolDeclaration* sdecl = var->isSymbolDeclaration())
{
// this seems to be the static initialiser for structs
Type* sdecltype = DtoDType(sdecl->type);
Logger::print("Sym: type=%s\n", sdecltype->toChars());
assert(sdecltype->ty == Tstruct);
TypeStruct* ts = (TypeStruct*)sdecltype;
assert(ts->sym);
assert(ts->sym->irStruct->init);
return new DVarValue(type, ts->sym->irStruct->init, true);
}
else
{
assert(0 && "Unimplemented VarExp type");
}
return 0;
}
//////////////////////////////////////////////////////////////////////////////////////////
llvm::Constant* VarExp::toConstElem(IRState* p)
{
Logger::print("VarExp::toConstElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
if (SymbolDeclaration* sdecl = var->isSymbolDeclaration())
{
// this seems to be the static initialiser for structs
Type* sdecltype = DtoDType(sdecl->type);
Logger::print("Sym: type=%s\n", sdecltype->toChars());
assert(sdecltype->ty == Tstruct);
TypeStruct* ts = (TypeStruct*)sdecltype;
DtoForceConstInitDsymbol(ts->sym);
assert(ts->sym->irStruct->constInit);
return ts->sym->irStruct->constInit;
}
else if (TypeInfoDeclaration* ti = var->isTypeInfoDeclaration())
{
DtoForceDeclareDsymbol(ti);
assert(ti->getIrValue());
const llvm::Type* vartype = DtoType(type);
llvm::Constant* m = isaConstant(ti->getIrValue());
assert(m);
if (ti->getIrValue()->getType() != getPtrToType(vartype))
m = llvm::ConstantExpr::getBitCast(m, vartype);
return m;
}
assert(0 && "Unsupported const VarExp kind");
return NULL;
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* IntegerExp::toElem(IRState* p)
{
Logger::print("IntegerExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
llvm::Constant* c = toConstElem(p);
return new DConstValue(type, c);
}
//////////////////////////////////////////////////////////////////////////////////////////
llvm::Constant* IntegerExp::toConstElem(IRState* p)
{
Logger::print("IntegerExp::toConstElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
const llvm::Type* t = DtoType(type);
if (isaPointer(t)) {
Logger::println("pointer");
llvm::Constant* i = llvm::ConstantInt::get(DtoSize_t(),(uint64_t)value,false);
return llvm::ConstantExpr::getIntToPtr(i, t);
}
assert(llvm::isa<llvm::IntegerType>(t));
llvm::Constant* c = llvm::ConstantInt::get(t,(uint64_t)value,!type->isunsigned());
assert(c);
Logger::cout() << "value = " << *c << '\n';
return c;
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* RealExp::toElem(IRState* p)
{
Logger::print("RealExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
llvm::Constant* c = toConstElem(p);
return new DConstValue(type, c);
}
//////////////////////////////////////////////////////////////////////////////////////////
llvm::Constant* RealExp::toConstElem(IRState* p)
{
Logger::print("RealExp::toConstElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
Type* t = DtoDType(type);
return DtoConstFP(t, value);
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* NullExp::toElem(IRState* p)
{
Logger::print("NullExp::toElem(type=%s): %s\n", type->toChars(),toChars());
LOG_SCOPE;
llvm::Constant* c = toConstElem(p);
return new DNullValue(type, c);
}
//////////////////////////////////////////////////////////////////////////////////////////
llvm::Constant* NullExp::toConstElem(IRState* p)
{
Logger::print("NullExp::toConstElem(type=%s): %s\n", type->toChars(),toChars());
LOG_SCOPE;
const llvm::Type* t = DtoType(type);
if (type->ty == Tarray) {
assert(isaStruct(t));
return llvm::ConstantAggregateZero::get(t);
}
else {
return llvm::Constant::getNullValue(t);
}
assert(0);
return NULL;
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* ComplexExp::toElem(IRState* p)
{
Logger::print("ComplexExp::toElem(): %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
llvm::Constant* c = toConstElem(p);
if (c->isNullValue()) {
Type* t = DtoDType(type);
if (t->ty == Tcomplex32)
c = DtoConstFP(Type::tfloat32, 0);
else
c = DtoConstFP(Type::tfloat64, 0);
return new DComplexValue(type, c, c);
}
return new DComplexValue(type, c->getOperand(0), c->getOperand(1));
}
//////////////////////////////////////////////////////////////////////////////////////////
llvm::Constant* ComplexExp::toConstElem(IRState* p)
{
Logger::print("ComplexExp::toConstElem(): %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
return DtoConstComplex(type, value.re, value.im);
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* StringExp::toElem(IRState* p)
{
Logger::print("StringExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
Type* dtype = DtoDType(type);
Type* cty = DtoDType(dtype->next);
const llvm::Type* ct = DtoType(cty);
if (ct == llvm::Type::VoidTy)
ct = llvm::Type::Int8Ty;
//printf("ct = %s\n", type->next->toChars());
const llvm::ArrayType* at = llvm::ArrayType::get(ct,len+1);
llvm::Constant* _init;
if (cty->ty == Tchar || cty->ty == Tvoid) {
uint8_t* str = (uint8_t*)string;
std::string cont((char*)str, len);
_init = llvm::ConstantArray::get(cont,true);
}
else if (cty->ty == Twchar) {
uint16_t* str = (uint16_t*)string;
std::vector<llvm::Constant*> vals;
for(size_t i=0; i<len; ++i) {
vals.push_back(llvm::ConstantInt::get(ct, str[i], false));;
}
vals.push_back(llvm::ConstantInt::get(ct, 0, false));
_init = llvm::ConstantArray::get(at,vals);
}
else if (cty->ty == Tdchar) {
uint32_t* str = (uint32_t*)string;
std::vector<llvm::Constant*> vals;
for(size_t i=0; i<len; ++i) {
vals.push_back(llvm::ConstantInt::get(ct, str[i], false));;
}
vals.push_back(llvm::ConstantInt::get(ct, 0, false));
_init = llvm::ConstantArray::get(at,vals);
}
else
assert(0);
llvm::GlobalValue::LinkageTypes _linkage = llvm::GlobalValue::InternalLinkage;//WeakLinkage;
Logger::cout() << "type: " << *at << "\ninit: " << *_init << '\n';
llvm::GlobalVariable* gvar = new llvm::GlobalVariable(at,true,_linkage,_init,"stringliteral",gIR->module);
llvm::ConstantInt* zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
llvm::Constant* idxs[2] = { zero, zero };
llvm::Constant* arrptr = llvm::ConstantExpr::getGetElementPtr(gvar,idxs,2);
if (dtype->ty == Tarray) {
llvm::Constant* clen = llvm::ConstantInt::get(DtoSize_t(),len,false);
if (!p->topexp() || p->topexp()->e2 != this) {
llvm::Value* tmpmem = new llvm::AllocaInst(DtoType(dtype),"tempstring",p->topallocapoint());
DtoSetArray(tmpmem, clen, arrptr);
return new DVarValue(type, tmpmem, true);
}
else if (p->topexp()->e2 == this) {
DValue* arr = p->topexp()->v;
assert(arr);
if (arr->isSlice()) {
return new DSliceValue(type, clen, arrptr);
}
else {
DtoSetArray(arr->getRVal(), clen, arrptr);
return new DImValue(type, arr->getLVal(), true);
}
}
assert(0);
}
else if (dtype->ty == Tsarray) {
const llvm::Type* dstType = getPtrToType(llvm::ArrayType::get(ct, len));
llvm::Value* emem = (gvar->getType() == dstType) ? gvar : DtoBitCast(gvar, dstType);
return new DVarValue(type, emem, true);
}
else if (dtype->ty == Tpointer) {
return new DImValue(type, arrptr);
}
assert(0);
return 0;
}
//////////////////////////////////////////////////////////////////////////////////////////
llvm::Constant* StringExp::toConstElem(IRState* p)
{
Logger::print("StringExp::toConstElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
uint8_t* str = (uint8_t*)string;
std::string cont((char*)str, len);
Type* t = DtoDType(type);
if (t->ty == Tsarray) {
return llvm::ConstantArray::get(cont,false);
}
llvm::Constant* _init = llvm::ConstantArray::get(cont,true);
llvm::GlobalValue::LinkageTypes _linkage = llvm::GlobalValue::InternalLinkage;//WeakLinkage;
llvm::GlobalVariable* gvar = new llvm::GlobalVariable(_init->getType(),true,_linkage,_init,"stringliteral",gIR->module);
llvm::ConstantInt* zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
llvm::Constant* idxs[2] = { zero, zero };
llvm::Constant* arrptr = llvm::ConstantExpr::getGetElementPtr(gvar,idxs,2);
if (t->ty == Tpointer) {
return arrptr;
}
if (t->ty == Tarray) {
llvm::Constant* clen = llvm::ConstantInt::get(DtoSize_t(),len,false);
return DtoConstSlice(clen, arrptr);
}
assert(0);
return NULL;
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* AssignExp::toElem(IRState* p)
{
Logger::print("AssignExp::toElem: %s | %s = %s\n", toChars(), e1->type->toChars(), e2->type ? e2->type->toChars() : 0);
LOG_SCOPE;
p->exps.push_back(IRExp(e1,e2,NULL));
DValue* l = e1->toElem(p);
p->topexp()->v = l;
DValue* r = e2->toElem(p);
p->exps.pop_back();
DImValue* im = r->isIm();
if (!im || !im->inPlace()) {
Logger::println("assignment not inplace");
if (l->isArrayLen())
DtoResizeDynArray(l->getLVal(), r->getRVal());
else
DtoAssign(l, r);
}
if (l->isSlice() || l->isComplex())
return l;
llvm::Value* v;
if (l->isVar() && l->isVar()->lval)
v = l->getLVal();
else
v = l->getRVal();
return new DVarValue(type, v, true);
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* AddExp::toElem(IRState* p)
{
Logger::print("AddExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
DValue* l = e1->toElem(p);
DValue* r = e2->toElem(p);
Type* t = DtoDType(type);
Type* e1type = DtoDType(e1->type);
Type* e1next = e1type->next ? DtoDType(e1type->next) : NULL;
Type* e2type = DtoDType(e2->type);
if (e1type != e2type) {
if (llvmFieldIndex) {
assert(e1type->ty == Tpointer && e1next && e1next->ty == Tstruct);
Logger::println("add to AddrExp of struct");
assert(r->isConst());
llvm::ConstantInt* cofs = llvm::cast<llvm::ConstantInt>(r->isConst()->c);
TypeStruct* ts = (TypeStruct*)e1next;
std::vector<unsigned> offsets;
llvm::Value* v = DtoIndexStruct(l->getRVal(), ts->sym, t->next, cofs->getZExtValue(), offsets);
return new DFieldValue(type, v, true);
}
else if (e1type->ty == Tpointer) {
Logger::println("add to pointer");
if (r->isConst()) {
llvm::ConstantInt* cofs = llvm::cast<llvm::ConstantInt>(r->isConst()->c);
if (cofs->isZero()) {
Logger::println("is zero");
return new DImValue(type, l->getRVal());
}
}
llvm::Value* v = new llvm::GetElementPtrInst(l->getRVal(), r->getRVal(), "tmp", p->scopebb());
return new DImValue(type, v);
}
else if (t->iscomplex()) {
return DtoComplexAdd(type, l, r);
}
assert(0);
}
else if (t->iscomplex()) {
return DtoComplexAdd(type, l, r);
}
else {
return DtoBinAdd(l,r);
}
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* AddAssignExp::toElem(IRState* p)
{
Logger::print("AddAssignExp::toElem: %s\n", toChars());
LOG_SCOPE;
p->exps.push_back(IRExp(e1,e2,NULL));
DValue* l = e1->toElem(p);
DValue* r = e2->toElem(p);
p->exps.pop_back();
Type* t = DtoDType(type);
DValue* res;
if (DtoDType(e1->type)->ty == Tpointer) {
llvm::Value* gep = new llvm::GetElementPtrInst(l->getRVal(),r->getRVal(),"tmp",p->scopebb());
res = new DImValue(type, gep);
}
else if (t->iscomplex()) {
res = DtoComplexAdd(e1->type, l, r);
}
else {
res = DtoBinAdd(l,r);
}
DtoAssign(l, res);
// used as lvalue :/
if (p->topexp() && p->topexp()->e1 == this)
{
assert(!l->isLRValue());
return l;
}
else
{
return res;
}
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* MinExp::toElem(IRState* p)
{
Logger::print("MinExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
DValue* l = e1->toElem(p);
DValue* r = e2->toElem(p);
Type* t = DtoDType(type);
if (DtoDType(e1->type)->ty == Tpointer) {
llvm::Value* lv = l->getRVal();
llvm::Value* rv = r->getRVal();
Logger::cout() << "lv: " << *lv << " rv: " << *rv << '\n';
if (isaPointer(lv))
lv = p->ir->CreatePtrToInt(lv, DtoSize_t(), "tmp");
if (isaPointer(rv))
rv = p->ir->CreatePtrToInt(rv, DtoSize_t(), "tmp");
llvm::Value* diff = p->ir->CreateSub(lv,rv,"tmp");
if (diff->getType() != DtoType(type))
diff = p->ir->CreateIntToPtr(diff, DtoType(type));
return new DImValue(type, diff);
}
else if (t->iscomplex()) {
return DtoComplexSub(type, l, r);
}
else {
return DtoBinSub(l,r);
}
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* MinAssignExp::toElem(IRState* p)
{
Logger::print("MinAssignExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
DValue* l = e1->toElem(p);
DValue* r = e2->toElem(p);
Type* t = DtoDType(type);
DValue* res;
if (DtoDType(e1->type)->ty == Tpointer) {
Logger::println("ptr");
llvm::Value* tmp = r->getRVal();
llvm::Value* zero = llvm::ConstantInt::get(tmp->getType(),0,false);
tmp = llvm::BinaryOperator::createSub(zero,tmp,"tmp",p->scopebb());
tmp = new llvm::GetElementPtrInst(l->getRVal(),tmp,"tmp",p->scopebb());
res = new DImValue(type, tmp);
}
else if (t->iscomplex()) {
Logger::println("complex");
res = DtoComplexSub(type, l, r);
}
else {
Logger::println("basic");
res = DtoBinSub(l,r);
}
DtoAssign(l, res);
return l;
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* MulExp::toElem(IRState* p)
{
Logger::print("MulExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
DValue* l = e1->toElem(p);
DValue* r = e2->toElem(p);
if (type->iscomplex()) {
return DtoComplexMul(type, l, r);
}
return DtoBinMul(l,r);
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* MulAssignExp::toElem(IRState* p)
{
Logger::print("MulAssignExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
DValue* l = e1->toElem(p);
DValue* r = e2->toElem(p);
DValue* res;
if (type->iscomplex()) {
res = DtoComplexMul(type, l, r);
}
else {
res = DtoBinMul(l,r);
}
DtoAssign(l, res);
return l;
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* DivExp::toElem(IRState* p)
{
Logger::print("DivExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
DValue* l = e1->toElem(p);
DValue* r = e2->toElem(p);
if (type->iscomplex()) {
return DtoComplexDiv(type, l, r);
}
return DtoBinDiv(l, r);
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* DivAssignExp::toElem(IRState* p)
{
Logger::print("DivAssignExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
DValue* l = e1->toElem(p);
DValue* r = e2->toElem(p);
DValue* res;
if (type->iscomplex()) {
res = DtoComplexDiv(type, l, r);
}
else {
res = DtoBinDiv(l,r);
}
DtoAssign(l, res);
return l;
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* ModExp::toElem(IRState* p)
{
Logger::print("ModExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
DValue* l = e1->toElem(p);
DValue* r = e2->toElem(p);
return DtoBinRem(l, r);
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* ModAssignExp::toElem(IRState* p)
{
Logger::print("ModAssignExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
DValue* l = e1->toElem(p);
DValue* r = e2->toElem(p);
DValue* res = DtoBinRem(l, r);
DtoAssign(l, res);
return l;
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* CallExp::toElem(IRState* p)
{
Logger::print("CallExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
DValue* fn = e1->toElem(p);
TypeFunction* tf = 0;
Type* e1type = DtoDType(e1->type);
bool delegateCall = false;
llvm::Value* zero = llvm::ConstantInt::get(llvm::Type::Int32Ty,0,false);
llvm::Value* one = llvm::ConstantInt::get(llvm::Type::Int32Ty,1,false);
LINK dlink = LINKd;
// hidden struct return parameter handling
bool retinptr = false;
// regular functions
if (e1type->ty == Tfunction) {
tf = (TypeFunction*)e1type;
if (tf->llvmRetInPtr) {
retinptr = true;
}
dlink = tf->linkage;
}
// delegates
else if (e1type->ty == Tdelegate) {
Logger::println("delegateTy = %s\n", e1type->toChars());
assert(e1type->next->ty == Tfunction);
tf = (TypeFunction*)e1type->next;
if (tf->llvmRetInPtr) {
retinptr = true;
}
dlink = tf->linkage;
delegateCall = true;
}
// invalid
else {
assert(tf);
}
// magic stuff
bool va_magic = false;
bool va_intrinsic = false;
DFuncValue* dfv = fn->isFunc();
if (dfv && dfv->func) {
FuncDeclaration* fndecl = dfv->func;
if (fndecl->llvmInternal == LLVMva_intrinsic) {
va_magic = true;
va_intrinsic = true;
}
else if (fndecl->llvmInternal == LLVMva_start) {
va_magic = true;
}
else if (fndecl->llvmInternal == LLVMva_arg) {
//Argument* fnarg = Argument::getNth(tf->parameters, 0);
Expression* exp = (Expression*)arguments->data[0];
DValue* expelem = exp->toElem(p);
Type* t = DtoDType(type);
const llvm::Type* llt = DtoType(type);
if (DtoIsPassedByRef(t))
llt = getPtrToType(llt);
// TODO
if (strcmp(global.params.llvmArch, "x86") != 0) {
warning("%s: va_arg for C variadic functions is broken for anything but x86", loc.toChars());
}
return new DImValue(type, p->ir->CreateVAArg(expelem->getLVal(),llt,"tmp"));
}
else if (fndecl->llvmInternal == LLVMalloca) {
//Argument* fnarg = Argument::getNth(tf->parameters, 0);
Expression* exp = (Expression*)arguments->data[0];
DValue* expv = exp->toElem(p);
if (expv->getType()->toBasetype()->ty != Tint32)
expv = DtoCast(expv, Type::tint32);
llvm::Value* alloc = new llvm::AllocaInst(llvm::Type::Int8Ty, expv->getRVal(), "alloca", p->scopebb());
return new DImValue(type, alloc);
}
}
// args
size_t n = arguments->dim;
DFuncValue* dfn = fn->isFunc();
if (dfn && dfn->func && dfn->func->llvmInternal == LLVMva_start)
n = 1;
if (delegateCall || (dfn && dfn->vthis)) n++;
if (retinptr) n++;
if (tf->linkage == LINKd && tf->varargs == 1) n+=2;
if (dfn && dfn->func && dfn->func->isNested()) n++;
llvm::Value* funcval = fn->getRVal();
assert(funcval != 0);
std::vector<llvm::Value*> llargs(n, 0);
const llvm::FunctionType* llfnty = 0;
// normal function call
if (llvm::isa<llvm::FunctionType>(funcval->getType())) {
llfnty = llvm::cast<llvm::FunctionType>(funcval->getType());
}
// pointer to something
else if (isaPointer(funcval->getType())) {
// pointer to function pointer - I think this not really supposed to happen, but does :/
// seems like sometimes we get a func* other times a func**
if (isaPointer(funcval->getType()->getContainedType(0))) {
funcval = new llvm::LoadInst(funcval,"tmp",p->scopebb());
}
// function pointer
if (llvm::isa<llvm::FunctionType>(funcval->getType()->getContainedType(0))) {
//Logger::cout() << "function pointer type:\n" << *funcval << '\n';
llfnty = llvm::cast<llvm::FunctionType>(funcval->getType()->getContainedType(0));
}
// struct pointer - delegate
else if (isaStruct(funcval->getType()->getContainedType(0))) {
funcval = DtoGEP(funcval,zero,one,"tmp",p->scopebb());
funcval = new llvm::LoadInst(funcval,"tmp",p->scopebb());
const llvm::Type* ty = funcval->getType()->getContainedType(0);
llfnty = llvm::cast<llvm::FunctionType>(ty);
}
// unknown
else {
Logger::cout() << "what kind of pointer are we calling? : " << *funcval->getType() << '\n';
}
}
else {
Logger::cout() << "what are we calling? : " << *funcval << '\n';
}
assert(llfnty);
//Logger::cout() << "Function LLVM type: " << *llfnty << '\n';
// argument handling
llvm::FunctionType::param_iterator argiter = llfnty->param_begin();
int j = 0;
IRExp* topexp = p->topexp();
bool isInPlace = false;
// hidden struct return arguments
if (retinptr) {
if (topexp && topexp->e2 == this) {
assert(topexp->v);
llvm::Value* tlv = topexp->v->getLVal();
assert(isaStruct(tlv->getType()->getContainedType(0)));
llargs[j] = tlv;
isInPlace = true;
/*if (DtoIsPassedByRef(tf->next)) {
isInPlace = true;
}
else
assert(0);*/
}
else {
llargs[j] = new llvm::AllocaInst(argiter->get()->getContainedType(0),"rettmp",p->topallocapoint());
}
if (dfn && dfn->func && dfn->func->runTimeHack) {
const llvm::Type* rettype = getPtrToType(DtoType(type));
if (llargs[j]->getType() != llfnty->getParamType(j)) {
Logger::println("llvmRunTimeHack==true - force casting return value param");
Logger::cout() << "casting: " << *llargs[j] << " to type: " << *llfnty->getParamType(j) << '\n';
llargs[j] = DtoBitCast(llargs[j], llfnty->getParamType(j));
}
}
++j;
++argiter;
}
// this arguments
if (dfn && dfn->vthis) {
Logger::cout() << "This Call func val:" << *funcval << '\n';
if (dfn->vthis->getType() != argiter->get()) {
//Logger::cout() << "value: " << *dfn->vthis << " totype: " << *argiter->get() << '\n';
llargs[j] = DtoBitCast(dfn->vthis, argiter->get());
}
else {
llargs[j] = dfn->vthis;
}
++j;
++argiter;
}
// delegate context arguments
else if (delegateCall) {
Logger::println("Delegate Call");
llvm::Value* contextptr = DtoGEP(fn->getRVal(),zero,zero,"tmp",p->scopebb());
llargs[j] = new llvm::LoadInst(contextptr,"tmp",p->scopebb());
++j;
++argiter;
}
// nested call
else if (dfn && dfn->func && dfn->func->isNested()) {
Logger::println("Nested Call");
llvm::Value* contextptr = DtoNestedContext(dfn->func->toParent2()->isFuncDeclaration());
if (!contextptr)
contextptr = llvm::ConstantPointerNull::get(getPtrToType(llvm::Type::Int8Ty));
llargs[j] = DtoBitCast(contextptr, getPtrToType(llvm::Type::Int8Ty));
++j;
++argiter;
}
// va arg function special argument passing
if (va_magic)
{
size_t n = va_intrinsic ? arguments->dim : 1;
for (int i=0; i<n; i++,j++)
{
Argument* fnarg = Argument::getNth(tf->parameters, i);
Expression* exp = (Expression*)arguments->data[i];
DValue* expelem = exp->toElem(p);
llargs[j] = DtoBitCast(expelem->getLVal(), getPtrToType(llvm::Type::Int8Ty));
}
}
// regular arguments
else
{
// d variadic function?
if (tf->linkage == LINKd && tf->varargs == 1)
{
Logger::println("doing d-style variadic arguments");
size_t nimplicit = j;
std::vector<const llvm::Type*> vtypes;
std::vector<llvm::Value*> vtypeinfos;
// build struct with argument types
for (int i=0; i<arguments->dim; i++)
{
Expression* argexp = (Expression*)arguments->data[i];
vtypes.push_back(DtoType(argexp->type));
}
const llvm::StructType* vtype = llvm::StructType::get(vtypes);
Logger::cout() << "d-variadic argument struct type:\n" << *vtype << '\n';
llvm::Value* mem = new llvm::AllocaInst(vtype,"_argptr_storage",p->topallocapoint());
// store arguments in the struct
for (int i=0; i<arguments->dim; i++)
{
Expression* argexp = (Expression*)arguments->data[i];
if (global.params.llvmAnnotate)
DtoAnnotation(argexp->toChars());
DtoVariadicArgument(argexp, DtoGEPi(mem,0,i,"tmp"));
}
// build type info array
assert(Type::typeinfo->irStruct->constInit);
const llvm::Type* typeinfotype = getPtrToType(Type::typeinfo->irStruct->constInit->getType());
Logger::cout() << "typeinfo ptr type: " << *typeinfotype << '\n';
const llvm::ArrayType* typeinfoarraytype = llvm::ArrayType::get(typeinfotype,vtype->getNumElements());
llvm::Value* typeinfomem = new llvm::AllocaInst(typeinfoarraytype,"_arguments_storage",p->topallocapoint());
for (int i=0; i<arguments->dim; i++)
{
Expression* argexp = (Expression*)arguments->data[i];
TypeInfoDeclaration* tidecl = argexp->type->getTypeInfoDeclaration();
DtoForceDeclareDsymbol(tidecl);
assert(tidecl->getIrValue());
vtypeinfos.push_back(tidecl->getIrValue());
llvm::Value* v = p->ir->CreateBitCast(vtypeinfos[i], typeinfotype, "tmp");
p->ir->CreateStore(v, DtoGEPi(typeinfomem,0,i,"tmp"));
}
// put data in d-array
llvm::Value* typeinfoarrayparam = new llvm::AllocaInst(llfnty->getParamType(j)->getContainedType(0),"_arguments_array",p->topallocapoint());
p->ir->CreateStore(DtoConstSize_t(vtype->getNumElements()), DtoGEPi(typeinfoarrayparam,0,0,"tmp"));
llvm::Value* casttypeinfomem = p->ir->CreateBitCast(typeinfomem, getPtrToType(typeinfotype), "tmp");
p->ir->CreateStore(casttypeinfomem, DtoGEPi(typeinfoarrayparam,0,1,"tmp"));
// specify arguments
llargs[j] = typeinfoarrayparam;;
j++;
llargs[j] = p->ir->CreateBitCast(mem, getPtrToType(llvm::Type::Int8Ty), "tmp");
j++;
llargs.resize(nimplicit+2);
}
// normal function
else {
Logger::println("doing normal arguments");
for (int i=0; i<arguments->dim; i++,j++) {
Argument* fnarg = Argument::getNth(tf->parameters, i);
if (global.params.llvmAnnotate)
DtoAnnotation(((Expression*)arguments->data[i])->toChars());
DValue* argval = DtoArgument(fnarg, (Expression*)arguments->data[i]);
llargs[j] = argval->getRVal();
if (fnarg && llargs[j]->getType() != llfnty->getParamType(j)) {
llargs[j] = DtoBitCast(llargs[j], llfnty->getParamType(j));
}
// this hack is necessary :/
if (dfn && dfn->func && dfn->func->runTimeHack) {
if (llfnty->getParamType(j) != NULL) {
if (llargs[j]->getType() != llfnty->getParamType(j)) {
Logger::println("llvmRunTimeHack==true - force casting argument");
Logger::cout() << "casting: " << *llargs[j] << " to type: " << *llfnty->getParamType(j) << '\n';
llargs[j] = DtoBitCast(llargs[j], llfnty->getParamType(j));
}
}
}
}
Logger::println("%d params passed", n);
for (int i=0; i<n; ++i) {
assert(llargs[i]);
Logger::cout() << *llargs[i] << '\n';
}
}
}
// void returns cannot not be named
const char* varname = "";
if (llfnty->getReturnType() != llvm::Type::VoidTy)
varname = "tmp";
//Logger::cout() << "Calling: " << *funcval << '\n';
// call the function
llvm::CallInst* call = new llvm::CallInst(funcval, llargs.begin(), llargs.end(), varname, p->scopebb());
llvm::Value* retllval = (retinptr) ? llargs[0] : call;
if (retinptr && dfn && dfn->func && dfn->func->runTimeHack) {
const llvm::Type* rettype = getPtrToType(DtoType(type));
if (retllval->getType() != rettype) {
Logger::println("llvmRunTimeHack==true - force casting return value");
Logger::cout() << "from: " << *retllval->getType() << " to: " << *rettype << '\n';
retllval = DtoBitCast(retllval, rettype);
}
}
// set calling convention
if (dfn && dfn->func) {
int li = dfn->func->llvmInternal;
if (li != LLVMintrinsic && li != LLVMva_start && li != LLVMva_intrinsic) {
call->setCallingConv(DtoCallingConv(dlink));
}
}
/*else if (delegateCall) {
call->setCallingConv(DtoCallingConv(dlink));
}*/
else if (dfn && dfn->cc != (unsigned)-1) {
call->setCallingConv(dfn->cc);
}
else {
call->setCallingConv(DtoCallingConv(dlink));
}
return new DImValue(type, retllval, isInPlace);
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* CastExp::toElem(IRState* p)
{
Logger::print("CastExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
DValue* u = e1->toElem(p);
DValue* v = DtoCast(u, to);
if (v->isSlice()) {
assert(!gIR->topexp() || gIR->topexp()->e1 != this);
return v;
}
else if (u->isLRValue() || (u->isVar() && u->isVar()->lval))
return new DLRValue(e1->type, u->getLVal(), to, v->getRVal());
else if (gIR->topexp() && gIR->topexp()->e1 == this)
return new DLRValue(e1->type, u->getLVal(), to, v->getRVal());
return v;
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* SymOffExp::toElem(IRState* p)
{
Logger::print("SymOffExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
assert(0 && "SymOffExp::toElem should no longer be called :/");
if (VarDeclaration* vd = var->isVarDeclaration())
{
Logger::println("VarDeclaration");
// handle forward reference
if (!vd->llvmDeclared && vd->isDataseg()) {
vd->toObjFile(); // TODO
}
assert(vd->getIrValue());
Type* t = DtoDType(type);
Type* tnext = DtoDType(t->next);
Type* vdtype = DtoDType(vd->type);
llvm::Value* llvalue = vd->nestedref ? DtoNestedVariable(vd) : vd->getIrValue();
llvm::Value* varmem = 0;
if (vdtype->ty == Tstruct && !(t->ty == Tpointer && t->next == vdtype)) {
Logger::println("struct");
TypeStruct* vdt = (TypeStruct*)vdtype;
assert(vdt->sym);
const llvm::Type* llt = DtoType(t);
if (offset == 0) {
varmem = p->ir->CreateBitCast(llvalue, llt, "tmp");
}
else {
std::vector<unsigned> dst;
varmem = DtoIndexStruct(llvalue,vdt->sym, tnext, offset, dst);
}
}
else if (vdtype->ty == Tsarray) {
Logger::println("sarray");
assert(llvalue);
//e->arg = llvalue; // TODO
const llvm::Type* llt = DtoType(t);
llvm::Value* off = 0;
if (offset != 0) {
Logger::println("offset = %d\n", offset);
}
if (offset == 0) {
varmem = llvalue;
}
else {
const llvm::Type* elemtype = llvalue->getType()->getContainedType(0)->getContainedType(0);
size_t elemsz = getABITypeSize(elemtype);
varmem = DtoGEPi(llvalue, 0, offset / elemsz, "tmp");
}
}
else if (offset == 0) {
Logger::println("normal symoff");
assert(llvalue);
varmem = llvalue;
const llvm::Type* llt = DtoType(t);
if (llvalue->getType() != llt) {
varmem = p->ir->CreateBitCast(varmem, llt, "tmp");
}
}
else {
assert(0);
}
return new DFieldValue(type, varmem, true);
}
assert(0);
return 0;
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* AddrExp::toElem(IRState* p)
{
Logger::println("AddrExp::toElem: %s | %s", toChars(), type->toChars());
LOG_SCOPE;
DValue* v = e1->toElem(p);
if (v->isField()) {
Logger::println("is field");
return v;
}
else if (DFuncValue* fv = v->isFunc()) {
Logger::println("is func");
//Logger::println("FuncDeclaration");
FuncDeclaration* fd = fv->func;
assert(fd);
DtoForceDeclareDsymbol(fd);
return new DFuncValue(fd, fd->irFunc->func);
}
else if (DImValue* im = v->isIm()) {
Logger::println("is immediate");
return v;
}
Logger::println("is nothing special");
return new DFieldValue(type, v->getLVal(), false);
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* PtrExp::toElem(IRState* p)
{
Logger::println("PtrExp::toElem: %s | %s", toChars(), type->toChars());
LOG_SCOPE;
DValue* a = e1->toElem(p);
if (p->topexp() && p->topexp()->e1 == this) {
Logger::println("lval PtrExp");
return new DVarValue(type, a->getRVal(), true);
}
// this should be deterministic but right now lvalue casts don't propagate lvalueness !?!
llvm::Value* lv = a->getRVal();
llvm::Value* v = lv;
if (DtoCanLoad(v))
v = DtoLoad(v);
return new DLRValue(e1->type, lv, type, v);
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* DotVarExp::toElem(IRState* p)
{
Logger::print("DotVarExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
DValue* l = e1->toElem(p);
Type* t = DtoDType(type);
Type* e1type = DtoDType(e1->type);
//Logger::print("e1type=%s\n", e1type->toChars());
if (VarDeclaration* vd = var->isVarDeclaration()) {
llvm::Value* arrptr;
if (e1type->ty == Tpointer) {
assert(e1type->next->ty == Tstruct);
TypeStruct* ts = (TypeStruct*)e1type->next;
Logger::println("Struct member offset:%d", vd->offset);
llvm::Value* src = l->getRVal();
std::vector<unsigned> vdoffsets;
arrptr = DtoIndexStruct(src, ts->sym, vd->type, vd->offset, vdoffsets);
}
else if (e1type->ty == Tclass) {
TypeClass* tc = (TypeClass*)e1type;
Logger::println("Class member offset: %d", vd->offset);
llvm::Value* src = l->getRVal();
std::vector<unsigned> vdoffsets;
arrptr = DtoIndexClass(src, tc->sym, vd->type, vd->offset, vdoffsets);
/*std::vector<unsigned> vdoffsets(1,0);
tc->sym->offsetToIndex(vd->type, vd->offset, vdoffsets);
llvm::Value* src = l->getRVal();
Logger::println("indices:");
for (size_t i=0; i<vdoffsets.size(); ++i)
Logger::println("%d", vdoffsets[i]);
Logger::cout() << "src: " << *src << '\n';
arrptr = DtoGEP(src,vdoffsets,"tmp",p->scopebb());
Logger::cout() << "dst: " << *arrptr << '\n';*/
}
else
assert(0);
//Logger::cout() << "mem: " << *arrptr << '\n';
return new DVarValue(vd, arrptr, true);
}
else if (FuncDeclaration* fdecl = var->isFuncDeclaration())
{
DtoResolveDsymbol(fdecl);
llvm::Value* funcval;
llvm::Value* vthis2 = 0;
if (e1type->ty == Tclass) {
TypeClass* tc = (TypeClass*)e1type;
if (tc->sym->isInterfaceDeclaration()) {
vthis2 = DtoCastInterfaceToObject(l, NULL)->getRVal();
}
}
llvm::Value* vthis = l->getRVal();
if (!vthis2) vthis2 = vthis;
//unsigned cc = (unsigned)-1;
// super call
if (e1->op == TOKsuper) {
DtoForceDeclareDsymbol(fdecl);
funcval = fdecl->irFunc->func;
assert(funcval);
}
// normal virtual call
else if (fdecl->isAbstract() || (!fdecl->isFinal() && fdecl->isVirtual())) {
assert(fdecl->vtblIndex > 0);
assert(e1type->ty == Tclass);
llvm::Value* zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
llvm::Value* vtblidx = llvm::ConstantInt::get(llvm::Type::Int32Ty, (size_t)fdecl->vtblIndex, false);
//Logger::cout() << "vthis: " << *vthis << '\n';
funcval = DtoGEP(vthis, zero, zero, "tmp", p->scopebb());
funcval = new llvm::LoadInst(funcval,"tmp",p->scopebb());
funcval = DtoGEP(funcval, zero, vtblidx, toChars(), p->scopebb());
funcval = new llvm::LoadInst(funcval,"tmp",p->scopebb());
//assert(funcval->getType() == DtoType(fdecl->type));
//cc = DtoCallingConv(fdecl->linkage);
}
// static call
else {
DtoForceDeclareDsymbol(fdecl);
funcval = fdecl->irFunc->func;
assert(funcval);
//assert(funcval->getType() == DtoType(fdecl->type));
}
return new DFuncValue(fdecl, funcval, vthis2);
}
else {
printf("unsupported dotvarexp: %s\n", var->toChars());
}
assert(0);
return 0;
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* ThisExp::toElem(IRState* p)
{
Logger::print("ThisExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
if (VarDeclaration* vd = var->isVarDeclaration()) {
llvm::Value* v;
v = p->func()->decl->irFunc->thisVar;
if (llvm::isa<llvm::AllocaInst>(v))
v = new llvm::LoadInst(v, "tmp", p->scopebb());
return new DThisValue(vd, v);
}
assert(0);
return 0;
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* IndexExp::toElem(IRState* p)
{
Logger::print("IndexExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
DValue* l = e1->toElem(p);
Type* e1type = DtoDType(e1->type);
p->arrays.push_back(l); // if $ is used it must be an array so this is fine.
DValue* r = e2->toElem(p);
p->arrays.pop_back();
llvm::Value* zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
llvm::Value* one = llvm::ConstantInt::get(llvm::Type::Int32Ty, 1, false);
llvm::Value* arrptr = 0;
if (e1type->ty == Tpointer) {
arrptr = new llvm::GetElementPtrInst(l->getRVal(),r->getRVal(),"tmp",p->scopebb());
}
else if (e1type->ty == Tsarray) {
arrptr = DtoGEP(l->getRVal(), zero, r->getRVal(),"tmp",p->scopebb());
}
else if (e1type->ty == Tarray) {
arrptr = DtoGEP(l->getLVal(),zero,one,"tmp",p->scopebb());
arrptr = new llvm::LoadInst(arrptr,"tmp",p->scopebb());
arrptr = new llvm::GetElementPtrInst(arrptr,r->getRVal(),"tmp",p->scopebb());
}
else if (e1type->ty == Taarray) {
return DtoAAIndex(type, l, r);
}
else {
Logger::println("invalid index exp! e1type: %s", e1type->toChars());
assert(0);
}
return new DVarValue(type, arrptr, true);
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* SliceExp::toElem(IRState* p)
{
Logger::print("SliceExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
Type* t = DtoDType(type);
Type* e1type = DtoDType(e1->type);
DValue* v = e1->toElem(p);
llvm::Value* vmem = v->getRVal();
assert(vmem);
llvm::Value* zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
llvm::Value* one = llvm::ConstantInt::get(llvm::Type::Int32Ty, 1, false);
llvm::Value* emem = 0;
llvm::Value* earg = 0;
// partial slice
if (lwr)
{
assert(upr);
p->arrays.push_back(v);
DValue* lo = lwr->toElem(p);
bool lwr_is_zero = false;
if (DConstValue* cv = lo->isConst())
{
assert(llvm::isa<llvm::ConstantInt>(cv->c));
if (e1type->ty == Tpointer) {
emem = v->getRVal();
}
else if (e1type->ty == Tarray) {
llvm::Value* tmp = DtoGEP(vmem,zero,one,"tmp",p->scopebb());
emem = new llvm::LoadInst(tmp,"tmp",p->scopebb());
}
else if (e1type->ty == Tsarray) {
emem = DtoGEP(vmem,zero,zero,"tmp",p->scopebb());
}
else
assert(emem);
llvm::ConstantInt* c = llvm::cast<llvm::ConstantInt>(cv->c);
if (!(lwr_is_zero = c->isZero())) {
emem = new llvm::GetElementPtrInst(emem,cv->c,"tmp",p->scopebb());
}
}
else
{
if (e1type->ty == Tarray) {
llvm::Value* tmp = DtoGEP(vmem,zero,one,"tmp",p->scopebb());
tmp = new llvm::LoadInst(tmp,"tmp",p->scopebb());
emem = new llvm::GetElementPtrInst(tmp,lo->getRVal(),"tmp",p->scopebb());
}
else if (e1type->ty == Tsarray) {
emem = DtoGEP(vmem,zero,lo->getRVal(),"tmp",p->scopebb());
}
else if (e1type->ty == Tpointer) {
emem = new llvm::GetElementPtrInst(v->getRVal(),lo->getRVal(),"tmp",p->scopebb());
}
else {
Logger::println("type = %s", e1type->toChars());
assert(0);
}
}
DValue* up = upr->toElem(p);
p->arrays.pop_back();
if (DConstValue* cv = up->isConst())
{
assert(llvm::isa<llvm::ConstantInt>(cv->c));
if (lwr_is_zero) {
earg = cv->c;
}
else {
if (lo->isConst()) {
llvm::Constant* clo = llvm::cast<llvm::Constant>(lo->getRVal());
llvm::Constant* cup = llvm::cast<llvm::Constant>(cv->c);
earg = llvm::ConstantExpr::getSub(cup, clo);
}
else {
earg = llvm::BinaryOperator::createSub(cv->c, lo->getRVal(), "tmp", p->scopebb());
}
}
}
else
{
if (lwr_is_zero) {
earg = up->getRVal();
}
else {
earg = llvm::BinaryOperator::createSub(up->getRVal(), lo->getRVal(), "tmp", p->scopebb());
}
}
}
// full slice
else
{
emem = vmem;
}
if (earg) Logger::cout() << "slice exp result, length = " << *earg << '\n';
Logger::cout() << "slice exp result, ptr = " << *emem << '\n';
return new DSliceValue(type,earg,emem);
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* CmpExp::toElem(IRState* p)
{
Logger::print("CmpExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
DValue* l = e1->toElem(p);
DValue* r = e2->toElem(p);
Type* t = DtoDType(e1->type);
Type* e2t = DtoDType(e2->type);
assert(t == e2t);
llvm::Value* eval = 0;
if (t->isintegral() || t->ty == Tpointer)
{
llvm::ICmpInst::Predicate cmpop;
bool skip = false;
switch(op)
{
case TOKlt:
case TOKul:
cmpop = t->isunsigned() ? llvm::ICmpInst::ICMP_ULT : llvm::ICmpInst::ICMP_SLT;
break;
case TOKle:
case TOKule:
cmpop = t->isunsigned() ? llvm::ICmpInst::ICMP_ULE : llvm::ICmpInst::ICMP_SLE;
break;
case TOKgt:
case TOKug:
cmpop = t->isunsigned() ? llvm::ICmpInst::ICMP_UGT : llvm::ICmpInst::ICMP_SGT;
break;
case TOKge:
case TOKuge:
cmpop = t->isunsigned() ? llvm::ICmpInst::ICMP_UGE : llvm::ICmpInst::ICMP_SGE;
break;
case TOKue:
cmpop = llvm::ICmpInst::ICMP_EQ;
break;
case TOKlg:
cmpop = llvm::ICmpInst::ICMP_NE;
break;
case TOKleg:
skip = true;
eval = llvm::ConstantInt::getTrue();
break;
case TOKunord:
skip = true;
eval = llvm::ConstantInt::getFalse();
break;
default:
assert(0);
}
if (!skip)
{
llvm::Value* a = l->getRVal();
llvm::Value* b = r->getRVal();
Logger::cout() << "type 1: " << *a << '\n';
Logger::cout() << "type 2: " << *b << '\n';
eval = new llvm::ICmpInst(cmpop, a, b, "tmp", p->scopebb());
}
}
else if (t->isfloating())
{
llvm::FCmpInst::Predicate cmpop;
switch(op)
{
case TOKlt:
cmpop = llvm::FCmpInst::FCMP_OLT;break;
case TOKle:
cmpop = llvm::FCmpInst::FCMP_OLE;break;
case TOKgt:
cmpop = llvm::FCmpInst::FCMP_OGT;break;
case TOKge:
cmpop = llvm::FCmpInst::FCMP_OGE;break;
case TOKunord:
cmpop = llvm::FCmpInst::FCMP_UNO;break;
case TOKule:
cmpop = llvm::FCmpInst::FCMP_ULE;break;
case TOKul:
cmpop = llvm::FCmpInst::FCMP_ULT;break;
case TOKuge:
cmpop = llvm::FCmpInst::FCMP_UGE;break;
case TOKug:
cmpop = llvm::FCmpInst::FCMP_UGT;break;
case TOKue:
cmpop = llvm::FCmpInst::FCMP_UEQ;break;
case TOKlg:
cmpop = llvm::FCmpInst::FCMP_ONE;break;
case TOKleg:
cmpop = llvm::FCmpInst::FCMP_ORD;break;
default:
assert(0);
}
eval = new llvm::FCmpInst(cmpop, l->getRVal(), r->getRVal(), "tmp", p->scopebb());
}
else if (t->ty == Tsarray || t->ty == Tarray)
{
Logger::println("static or dynamic array");
eval = DtoArrayCompare(op,l,r);
}
else
{
assert(0 && "Unsupported CmpExp type");
}
return new DImValue(type, eval);
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* EqualExp::toElem(IRState* p)
{
Logger::print("EqualExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
DValue* l = e1->toElem(p);
DValue* r = e2->toElem(p);
Type* t = DtoDType(e1->type);
Type* e2t = DtoDType(e2->type);
//assert(t == e2t);
llvm::Value* eval = 0;
if (t->isintegral() || t->ty == Tpointer)
{
Logger::println("integral or pointer");
llvm::ICmpInst::Predicate cmpop;
switch(op)
{
case TOKequal:
cmpop = llvm::ICmpInst::ICMP_EQ;
break;
case TOKnotequal:
cmpop = llvm::ICmpInst::ICMP_NE;
break;
default:
assert(0);
}
llvm::Value* lv = l->getRVal();
llvm::Value* rv = r->getRVal();
if (rv->getType() != lv->getType()) {
rv = DtoBitCast(rv, lv->getType());
}
eval = new llvm::ICmpInst(cmpop, lv, rv, "tmp", p->scopebb());
}
else if (t->iscomplex())
{
Logger::println("complex");
eval = DtoComplexEquals(op, l, r);
}
else if (t->isfloating())
{
Logger::println("floating");
llvm::FCmpInst::Predicate cmpop;
switch(op)
{
case TOKequal:
cmpop = llvm::FCmpInst::FCMP_OEQ;
break;
case TOKnotequal:
cmpop = llvm::FCmpInst::FCMP_UNE;
break;
default:
assert(0);
}
eval = new llvm::FCmpInst(cmpop, l->getRVal(), r->getRVal(), "tmp", p->scopebb());
}
else if (t->ty == Tsarray || t->ty == Tarray)
{
Logger::println("static or dynamic array");
eval = DtoArrayEquals(op,l,r);
}
else if (t->ty == Tdelegate)
{
Logger::println("delegate");
eval = DtoCompareDelegate(op,l->getRVal(),r->getRVal());
}
else
{
assert(0 && "Unsupported EqualExp type");
}
return new DImValue(type, eval);
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* PostExp::toElem(IRState* p)
{
Logger::print("PostExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
DValue* l = e1->toElem(p);
DValue* r = e2->toElem(p);
llvm::Value* val = l->getRVal();
llvm::Value* post = 0;
Type* e1type = DtoDType(e1->type);
Type* e2type = DtoDType(e2->type);
if (e1type->isintegral())
{
assert(e2type->isintegral());
llvm::Value* one = llvm::ConstantInt::get(val->getType(), 1, !e2type->isunsigned());
if (op == TOKplusplus) {
post = llvm::BinaryOperator::createAdd(val,one,"tmp",p->scopebb());
}
else if (op == TOKminusminus) {
post = llvm::BinaryOperator::createSub(val,one,"tmp",p->scopebb());
}
}
else if (e1type->ty == Tpointer)
{
assert(e2type->isintegral());
llvm::Constant* minusone = llvm::ConstantInt::get(DtoSize_t(),(uint64_t)-1,true);
llvm::Constant* plusone = llvm::ConstantInt::get(DtoSize_t(),(uint64_t)1,false);
llvm::Constant* whichone = (op == TOKplusplus) ? plusone : minusone;
post = new llvm::GetElementPtrInst(val, whichone, "tmp", p->scopebb());
}
else if (e1type->isfloating())
{
assert(e2type->isfloating());
llvm::Value* one = llvm::ConstantFP::get(val->getType(), llvm::APFloat(1.0f));
if (op == TOKplusplus) {
post = llvm::BinaryOperator::createAdd(val,one,"tmp",p->scopebb());
}
else if (op == TOKminusminus) {
post = llvm::BinaryOperator::createSub(val,one,"tmp",p->scopebb());
}
}
else
assert(post);
DtoStore(post,l->getLVal());
return new DImValue(type,val,true);
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* NewExp::toElem(IRState* p)
{
Logger::print("NewExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
assert(!newargs && "arguments to new not yet supported");
assert(newtype);
assert(!allocator && "custom allocators not yet supported");
Type* ntype = DtoDType(newtype);
if (ntype->ty == Tclass) {
return DtoNewClass((TypeClass*)ntype, this);
}
const llvm::Type* t = DtoType(ntype);
llvm::Value* emem = 0;
bool inplace = false;
if (ntype->ty == Tarray) {
assert(arguments);
if (arguments->dim == 1) {
DValue* sz = ((Expression*)arguments->data[0])->toElem(p);
llvm::Value* dimval = sz->getRVal();
Type* nnt = DtoDType(ntype->next);
if (nnt->ty == Tvoid)
nnt = Type::tint8;
if (p->topexp() && p->topexp()->e2 == this) {
assert(p->topexp()->v);
emem = p->topexp()->v->getLVal();
DtoNewDynArray(emem, dimval, nnt);
inplace = true;
}
else {
const llvm::Type* restype = DtoType(type);
Logger::cout() << "restype = " << *restype << '\n';
emem = new llvm::AllocaInst(restype,"newstorage",p->topallocapoint());
DtoNewDynArray(emem, dimval, nnt);
return new DVarValue(newtype, emem, true);
}
}
else {
assert(0 && "num args to 'new' != 1");
}
}
else {
emem = new llvm::MallocInst(t,"tmp",p->scopebb());
}
if (ntype->ty == Tstruct) {
TypeStruct* ts = (TypeStruct*)ntype;
if (ts->isZeroInit()) {
DtoStructZeroInit(emem);
}
else {
assert(ts->sym);
DtoStructCopy(emem,ts->sym->irStruct->init);
}
}
return new DImValue(type, emem, inplace);
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* DeleteExp::toElem(IRState* p)
{
Logger::print("DeleteExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
//assert(e1->type->ty != Tclass);
DValue* v = e1->toElem(p);
const llvm::Type* t = DtoType(v->getType());
llvm::Value* ldval = 0;
llvm::Constant* z = llvm::Constant::getNullValue(t);
Type* e1type = DtoDType(e1->type);
if (e1type->ty == Tpointer) {
llvm::Value* val = v->getRVal();
Logger::cout() << *z << '\n';
Logger::cout() << *val << '\n';
new llvm::FreeInst(val, p->scopebb());
new llvm::StoreInst(z, v->getLVal(), p->scopebb());
}
else if (e1type->ty == Tclass) {
TypeClass* tc = (TypeClass*)e1type;
llvm::Value* val = 0;
if (tc->sym->dtors.dim > 0) {
val = v->getRVal();
DtoCallClassDtors(tc, val);
}
if (DVarValue* vv = v->isVar()) {
if (vv->var && !vv->var->onstack) {
if (!val) val = v->getRVal();
new llvm::FreeInst(val, p->scopebb());
}
}
new llvm::StoreInst(z, v->getLVal(), p->scopebb());
}
else if (e1type->ty == Tarray) {
// must be on the heap (correct?)
llvm::Value* val = v->getRVal();
llvm::Value* zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
llvm::Value* one = llvm::ConstantInt::get(llvm::Type::Int32Ty, 1, false);
llvm::Value* ptr = DtoGEP(val,zero,one,"tmp",p->scopebb());
ptr = new llvm::LoadInst(ptr,"tmp",p->scopebb());
new llvm::FreeInst(ptr, p->scopebb());
DtoSetArrayToNull(val);
}
else {
assert(0);
}
// this expression produces no useful data
return 0;
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* ArrayLengthExp::toElem(IRState* p)
{
Logger::print("ArrayLengthExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
DValue* u = e1->toElem(p);
if (p->topexp() && p->topexp()->e1 == this)
{
return new DArrayLenValue(type, u->getLVal());
}
else
{
llvm::Value* zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
llvm::Value* ptr = DtoGEP(u->getRVal(),zero,zero,"tmp",p->scopebb());
ptr = new llvm::LoadInst(ptr, "tmp", p->scopebb());
return new DImValue(type, ptr);
}
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* AssertExp::toElem(IRState* p)
{
Logger::print("AssertExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
// condition
DValue* cond = e1->toElem(p);
// create basic blocks
llvm::BasicBlock* oldend = p->scopeend();
llvm::BasicBlock* assertbb = new llvm::BasicBlock("assert", p->topfunc(), oldend);
llvm::BasicBlock* endbb = new llvm::BasicBlock("endassert", p->topfunc(), oldend);
// test condition
llvm::Value* condval = cond->getRVal();
condval = DtoBoolean(condval);
// branch
new llvm::BranchInst(endbb, assertbb, condval, p->scopebb());
// call assert runtime functions
p->scope() = IRScope(assertbb,endbb);
DtoAssert(&loc, msg ? msg->toElem(p) : NULL);
if (!gIR->scopereturned())
new llvm::BranchInst(endbb, p->scopebb());
// rewrite the scope
p->scope() = IRScope(endbb,oldend);
// no meaningful return value
return NULL;
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* NotExp::toElem(IRState* p)
{
Logger::print("NotExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
DValue* u = e1->toElem(p);
llvm::Value* b = DtoBoolean(u->getRVal());
llvm::Constant* zero = llvm::ConstantInt::get(llvm::Type::Int1Ty, 0, true);
b = p->ir->CreateICmpEQ(b,zero);
return new DImValue(type, b);
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* AndAndExp::toElem(IRState* p)
{
Logger::print("AndAndExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
// allocate a temporary for the final result. failed to come up with a better way :/
llvm::Value* resval = 0;
llvm::BasicBlock* entryblock = &p->topfunc()->front();
resval = new llvm::AllocaInst(llvm::Type::Int1Ty,"andandtmp",p->topallocapoint());
DValue* u = e1->toElem(p);
llvm::BasicBlock* oldend = p->scopeend();
llvm::BasicBlock* andand = new llvm::BasicBlock("andand", gIR->topfunc(), oldend);
llvm::BasicBlock* andandend = new llvm::BasicBlock("andandend", gIR->topfunc(), oldend);
llvm::Value* ubool = DtoBoolean(u->getRVal());
new llvm::StoreInst(ubool,resval,p->scopebb());
new llvm::BranchInst(andand,andandend,ubool,p->scopebb());
p->scope() = IRScope(andand, andandend);
DValue* v = e2->toElem(p);
llvm::Value* vbool = DtoBoolean(v->getRVal());
llvm::Value* uandvbool = llvm::BinaryOperator::create(llvm::BinaryOperator::And, ubool, vbool,"tmp",p->scopebb());
new llvm::StoreInst(uandvbool,resval,p->scopebb());
new llvm::BranchInst(andandend,p->scopebb());
p->scope() = IRScope(andandend, oldend);
resval = new llvm::LoadInst(resval,"tmp",p->scopebb());
return new DImValue(type, resval);
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* OrOrExp::toElem(IRState* p)
{
Logger::print("OrOrExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
// allocate a temporary for the final result. failed to come up with a better way :/
llvm::Value* resval = 0;
llvm::BasicBlock* entryblock = &p->topfunc()->front();
resval = new llvm::AllocaInst(llvm::Type::Int1Ty,"orortmp",p->topallocapoint());
DValue* u = e1->toElem(p);
llvm::BasicBlock* oldend = p->scopeend();
llvm::BasicBlock* oror = new llvm::BasicBlock("oror", gIR->topfunc(), oldend);
llvm::BasicBlock* ororend = new llvm::BasicBlock("ororend", gIR->topfunc(), oldend);
llvm::Value* ubool = DtoBoolean(u->getRVal());
new llvm::StoreInst(ubool,resval,p->scopebb());
new llvm::BranchInst(ororend,oror,ubool,p->scopebb());
p->scope() = IRScope(oror, ororend);
DValue* v = e2->toElem(p);
llvm::Value* vbool = DtoBoolean(v->getRVal());
new llvm::StoreInst(vbool,resval,p->scopebb());
new llvm::BranchInst(ororend,p->scopebb());
p->scope() = IRScope(ororend, oldend);
resval = new llvm::LoadInst(resval,"tmp",p->scopebb());
return new DImValue(type, resval);
}
//////////////////////////////////////////////////////////////////////////////////////////
#define BinBitExp(X,Y) \
DValue* X##Exp::toElem(IRState* p) \
{ \
Logger::print("%sExp::toElem: %s | %s\n", #X, toChars(), type->toChars()); \
LOG_SCOPE; \
DValue* u = e1->toElem(p); \
DValue* v = e2->toElem(p); \
llvm::Value* x = llvm::BinaryOperator::create(llvm::Instruction::Y, u->getRVal(), v->getRVal(), "tmp", p->scopebb()); \
return new DImValue(type, x); \
} \
\
DValue* X##AssignExp::toElem(IRState* p) \
{ \
Logger::print("%sAssignExp::toElem: %s | %s\n", #X, toChars(), type->toChars()); \
LOG_SCOPE; \
p->exps.push_back(IRExp(e1,e2,NULL)); \
DValue* u = e1->toElem(p); \
p->topexp()->v = u; \
DValue* v = e2->toElem(p); \
p->exps.pop_back(); \
llvm::Value* uval = u->getRVal(); \
llvm::Value* vval = v->getRVal(); \
llvm::Value* tmp = llvm::BinaryOperator::create(llvm::Instruction::Y, uval, vval, "tmp", p->scopebb()); \
new llvm::StoreInst(DtoPointedType(u->getLVal(), tmp), u->getLVal(), p->scopebb()); \
return u; \
}
BinBitExp(And,And);
BinBitExp(Or,Or);
BinBitExp(Xor,Xor);
BinBitExp(Shl,Shl);
BinBitExp(Shr,AShr);
BinBitExp(Ushr,LShr);
//////////////////////////////////////////////////////////////////////////////////////////
DValue* HaltExp::toElem(IRState* p)
{
Logger::print("HaltExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
DtoAssert(&loc, NULL);
new llvm::UnreachableInst(p->scopebb());
return 0;
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* DelegateExp::toElem(IRState* p)
{
Logger::print("DelegateExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
DValue* u = e1->toElem(p);
const llvm::PointerType* int8ptrty = getPtrToType(llvm::Type::Int8Ty);
llvm::Value* lval;
if (p->topexp() && p->topexp()->e2 == this) {
assert(p->topexp()->v);
lval = p->topexp()->v->getLVal();
}
else {
lval = new llvm::AllocaInst(DtoType(type), "tmpdelegate", p->topallocapoint());
}
llvm::Value* uval;
if (DFuncValue* f = u->isFunc()) {
//assert(f->vthis);
//uval = f->vthis;
llvm::Value* nestvar = p->func()->decl->irFunc->nestedVar;
if (nestvar)
uval = nestvar;
else
uval = llvm::ConstantPointerNull::get(int8ptrty);
}
else {
uval = u->getRVal();
}
llvm::Value* context = DtoGEPi(lval,0,0,"tmp");
llvm::Value* castcontext = DtoBitCast(uval, int8ptrty);
DtoStore(castcontext, context);
llvm::Value* fptr = DtoGEPi(lval,0,1,"tmp");
Logger::println("func: '%s'", func->toPrettyChars());
llvm::Value* castfptr;
if (func->isVirtual())
castfptr = DtoVirtualFunctionPointer(u, func);
else if (func->isAbstract())
assert(0 && "TODO delegate to abstract method");
else if (func->toParent()->isInterfaceDeclaration())
assert(0 && "TODO delegate to interface method");
else
castfptr = func->irFunc->func;
castfptr = DtoBitCast(castfptr, fptr->getType()->getContainedType(0));
DtoStore(castfptr, fptr);
return new DVarValue(type, lval, true);
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* IdentityExp::toElem(IRState* p)
{
Logger::print("IdentityExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
DValue* u = e1->toElem(p);
DValue* v = e2->toElem(p);
llvm::Value* l = u->getRVal();
llvm::Value* r = v->getRVal();
Type* t1 = DtoDType(e1->type);
llvm::Value* eval = 0;
if (t1->ty == Tarray) {
if (v->isNull()) {
r = NULL;
}
else {
assert(l->getType() == r->getType());
}
eval = DtoDynArrayIs(op,l,r);
}
else {
llvm::ICmpInst::Predicate pred = (op == TOKidentity) ? llvm::ICmpInst::ICMP_EQ : llvm::ICmpInst::ICMP_NE;
if (t1->ty == Tpointer && v->isNull() && l->getType() != r->getType()) {
r = llvm::ConstantPointerNull::get(isaPointer(l->getType()));
}
//Logger::cout() << "l = " << *l << " r = " << *r << '\n';
eval = new llvm::ICmpInst(pred, l, r, "tmp", p->scopebb());
}
return new DImValue(type, eval);
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* CommaExp::toElem(IRState* p)
{
Logger::print("CommaExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
DValue* u = e1->toElem(p);
DValue* v = e2->toElem(p);
return v;
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* CondExp::toElem(IRState* p)
{
Logger::print("CondExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
Type* dtype = DtoDType(type);
const llvm::Type* resty = DtoType(dtype);
// allocate a temporary for the final result. failed to come up with a better way :/
llvm::BasicBlock* entryblock = &p->topfunc()->front();
llvm::Value* resval = new llvm::AllocaInst(resty,"condtmp",p->topallocapoint());
DVarValue* dvv = new DVarValue(type, resval, true);
llvm::BasicBlock* oldend = p->scopeend();
llvm::BasicBlock* condtrue = new llvm::BasicBlock("condtrue", gIR->topfunc(), oldend);
llvm::BasicBlock* condfalse = new llvm::BasicBlock("condfalse", gIR->topfunc(), oldend);
llvm::BasicBlock* condend = new llvm::BasicBlock("condend", gIR->topfunc(), oldend);
DValue* c = econd->toElem(p);
llvm::Value* cond_val = DtoBoolean(c->getRVal());
new llvm::BranchInst(condtrue,condfalse,cond_val,p->scopebb());
p->scope() = IRScope(condtrue, condfalse);
DValue* u = e1->toElem(p);
DtoAssign(dvv, u);
new llvm::BranchInst(condend,p->scopebb());
p->scope() = IRScope(condfalse, condend);
DValue* v = e2->toElem(p);
DtoAssign(dvv, v);
new llvm::BranchInst(condend,p->scopebb());
p->scope() = IRScope(condend, oldend);
return dvv;
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* ComExp::toElem(IRState* p)
{
Logger::print("ComExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
DValue* u = e1->toElem(p);
llvm::Value* value = u->getRVal();
llvm::Value* minusone = llvm::ConstantInt::get(value->getType(), -1, true);
value = llvm::BinaryOperator::create(llvm::Instruction::Xor, value, minusone, "tmp", p->scopebb());
return new DImValue(type, value);
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* NegExp::toElem(IRState* p)
{
Logger::print("NegExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
DValue* l = e1->toElem(p);
llvm::Value* val = l->getRVal();
Type* t = DtoDType(type);
llvm::Value* zero = 0;
if (t->isintegral())
zero = llvm::ConstantInt::get(val->getType(), 0, true);
else if (t->isfloating()) {
if (t->ty == Tfloat32 || t->ty == Timaginary32)
zero = llvm::ConstantFP::get(val->getType(), llvm::APFloat(0.0f));
else if (t->ty == Tfloat64 || t->ty == Tfloat80 || t->ty == Timaginary64 || t->ty == Timaginary80)
zero = llvm::ConstantFP::get(val->getType(), llvm::APFloat(0.0));
else
assert(0);
}
else
assert(0);
val = llvm::BinaryOperator::createSub(zero,val,"tmp",p->scopebb());
return new DImValue(type, val);
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* CatExp::toElem(IRState* p)
{
Logger::print("CatExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
Type* t = DtoDType(type);
bool arrNarr = DtoDType(e1->type) == DtoDType(e2->type);
IRExp* ex = p->topexp();
if (ex && ex->e2 == this) {
assert(ex->v);
if (arrNarr)
DtoCatArrays(ex->v->getLVal(),e1,e2);
else
DtoCatArrayElement(ex->v->getLVal(),e1,e2);
return new DImValue(type, ex->v->getLVal(), true);
}
else {
assert(t->ty == Tarray);
const llvm::Type* arrty = DtoType(t);
llvm::Value* dst = new llvm::AllocaInst(arrty, "tmpmem", p->topallocapoint());
if (arrNarr)
DtoCatArrays(dst,e1,e2);
else
DtoCatArrayElement(dst,e1,e2);
return new DVarValue(type, dst, true);
}
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* CatAssignExp::toElem(IRState* p)
{
Logger::print("CatAssignExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
DValue* l = e1->toElem(p);
Type* e1type = DtoDType(e1->type);
Type* elemtype = DtoDType(e1type->next);
Type* e2type = DtoDType(e2->type);
if (e2type == elemtype) {
DtoCatAssignElement(l->getLVal(),e2);
}
else if (e1type == e2type) {
DtoCatAssignArray(l->getLVal(),e2);
}
else
assert(0 && "only one element at a time right now");
return 0;
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* FuncExp::toElem(IRState* p)
{
Logger::print("FuncExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
assert(fd);
if (fd->isNested()) Logger::println("nested");
Logger::println("kind = %s\n", fd->kind());
DtoForceDefineDsymbol(fd);
bool temp = false;
llvm::Value* lval = NULL;
if (p->topexp() && p->topexp()->e2 == this) {
assert(p->topexp()->v);
lval = p->topexp()->v->getLVal();
}
else {
const llvm::Type* dgty = DtoType(type);
Logger::cout() << "delegate without explicit storage:" << '\n' << *dgty << '\n';
lval = new llvm::AllocaInst(dgty,"dgstorage",p->topallocapoint());
temp = true;
}
llvm::Value* context = DtoGEPi(lval,0,0,"tmp",p->scopebb());
const llvm::PointerType* pty = isaPointer(context->getType()->getContainedType(0));
llvm::Value* llvmNested = p->func()->decl->irFunc->nestedVar;
if (llvmNested == NULL) {
llvm::Value* nullcontext = llvm::ConstantPointerNull::get(pty);
p->ir->CreateStore(nullcontext, context);
}
else {
llvm::Value* nestedcontext = p->ir->CreateBitCast(llvmNested, pty, "tmp");
p->ir->CreateStore(nestedcontext, context);
}
llvm::Value* fptr = DtoGEPi(lval,0,1,"tmp",p->scopebb());
assert(fd->irFunc->func);
llvm::Value* castfptr = new llvm::BitCastInst(fd->irFunc->func,fptr->getType()->getContainedType(0),"tmp",p->scopebb());
new llvm::StoreInst(castfptr, fptr, p->scopebb());
if (temp)
return new DVarValue(type, lval, true);
else
return new DImValue(type, lval, true);
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* ArrayLiteralExp::toElem(IRState* p)
{
Logger::print("ArrayLiteralExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
Type* ty = DtoDType(type);
const llvm::Type* t = DtoType(ty);
Logger::cout() << "array literal has llvm type: " << *t << '\n';
llvm::Value* mem = 0;
bool inplace_slice = false;
if (!p->topexp() || p->topexp()->e2 != this) {
assert(DtoDType(type)->ty == Tsarray);
mem = new llvm::AllocaInst(t,"arrayliteral",p->topallocapoint());
}
else if (p->topexp()->e2 == this) {
DValue* tlv = p->topexp()->v;
if (DSliceValue* sv = tlv->isSlice()) {
assert(sv->len == 0);
mem = sv->ptr;
inplace_slice = true;
}
else {
mem = p->topexp()->v->getLVal();
}
assert(mem);
if (!isaPointer(mem->getType()) ||
!isaArray(mem->getType()->getContainedType(0)))
{
assert(!inplace_slice);
assert(ty->ty == Tarray);
// we need to give this array literal storage
const llvm::ArrayType* arrty = llvm::ArrayType::get(DtoType(ty->next), elements->dim);
mem = new llvm::AllocaInst(arrty, "arrayliteral", p->topallocapoint());
}
}
else
assert(0);
Logger::cout() << "array literal mem: " << *mem << '\n';
for (unsigned i=0; i<elements->dim; ++i)
{
Expression* expr = (Expression*)elements->data[i];
llvm::Value* elemAddr = DtoGEPi(mem,0,i,"tmp",p->scopebb());
DVarValue* vv = new DVarValue(expr->type, elemAddr, true);
p->exps.push_back(IRExp(NULL, expr, vv));
DValue* e = expr->toElem(p);
p->exps.pop_back();
DImValue* im = e->isIm();
if (!im || !im->inPlace()) {
DtoAssign(vv, e);
}
}
if (ty->ty == Tsarray || (ty->ty == Tarray && inplace_slice))
return new DImValue(type, mem, true);
else if (ty->ty == Tarray)
return new DSliceValue(type, DtoConstSize_t(elements->dim), DtoGEPi(mem,0,0,"tmp"));
else {
assert(0);
return 0;
}
}
//////////////////////////////////////////////////////////////////////////////////////////
llvm::Constant* ArrayLiteralExp::toConstElem(IRState* p)
{
Logger::print("ArrayLiteralExp::toConstElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
const llvm::Type* t = DtoType(type);
Logger::cout() << "array literal has llvm type: " << *t << '\n';
assert(isaArray(t));
const llvm::ArrayType* arrtype = isaArray(t);
assert(arrtype->getNumElements() == elements->dim);
std::vector<llvm::Constant*> vals(elements->dim, NULL);
for (unsigned i=0; i<elements->dim; ++i)
{
Expression* expr = (Expression*)elements->data[i];
vals[i] = expr->toConstElem(p);
}
return llvm::ConstantArray::get(arrtype, vals);
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* StructLiteralExp::toElem(IRState* p)
{
Logger::print("StructLiteralExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
llvm::Value* sptr;
const llvm::Type* llt = DtoType(type);
llvm::Value* mem = 0;
// temporary struct literal
if (!p->topexp() || p->topexp()->e2 != this)
{
sptr = new llvm::AllocaInst(llt,"tmpstructliteral",p->topallocapoint());
}
// already has memory
else
{
assert(p->topexp()->e2 == this);
sptr = p->topexp()->v->getLVal();
}
// num elements in literal
unsigned n = elements->dim;
// unions might have different types for each literal
if (sd->irStruct->hasUnions) {
// build the type of the literal
std::vector<const llvm::Type*> tys;
for (unsigned i=0; i<n; ++i) {
Expression* vx = (Expression*)elements->data[i];
if (!vx) continue;
tys.push_back(DtoType(vx->type));
}
const llvm::StructType* t = llvm::StructType::get(tys);
if (t != llt) {
if (getABITypeSize(t) != getABITypeSize(llt)) {
Logger::cout() << "got size " << getABITypeSize(t) << ", expected " << getABITypeSize(llt) << '\n';
assert(0 && "type size mismatch");
}
sptr = DtoBitCast(sptr, getPtrToType(t));
Logger::cout() << "sptr type is now: " << *t << '\n';
}
}
// build
unsigned j = 0;
for (unsigned i=0; i<n; ++i)
{
Expression* vx = (Expression*)elements->data[i];
if (!vx) continue;
Logger::cout() << "getting index " << j << " of " << *sptr << '\n';
llvm::Value* arrptr = DtoGEPi(sptr,0,j,"tmp",p->scopebb());
DValue* darrptr = new DVarValue(vx->type, arrptr, true);
p->exps.push_back(IRExp(NULL,vx,darrptr));
DValue* ve = vx->toElem(p);
p->exps.pop_back();
if (!ve->inPlace())
DtoAssign(darrptr, ve);
j++;
}
return new DImValue(type, sptr, true);
}
//////////////////////////////////////////////////////////////////////////////////////////
llvm::Constant* StructLiteralExp::toConstElem(IRState* p)
{
Logger::print("StructLiteralExp::toConstElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
unsigned n = elements->dim;
std::vector<llvm::Constant*> vals(n, NULL);
for (unsigned i=0; i<n; ++i)
{
Expression* vx = (Expression*)elements->data[i];
vals[i] = vx->toConstElem(p);
}
assert(DtoDType(type)->ty == Tstruct);
const llvm::Type* t = DtoType(type);
const llvm::StructType* st = isaStruct(t);
return llvm::ConstantStruct::get(st,vals);
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* InExp::toElem(IRState* p)
{
Logger::print("InExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
DValue* key = e1->toElem(p);
DValue* aa = e2->toElem(p);
return DtoAAIn(type, aa, key);
}
DValue* RemoveExp::toElem(IRState* p)
{
Logger::print("RemoveExp::toElem: %s\n", toChars());
LOG_SCOPE;
DValue* aa = e1->toElem(p);
DValue* key = e2->toElem(p);
DtoAARemove(aa, key);
return NULL; // does not produce anything useful
}
//////////////////////////////////////////////////////////////////////////////////////////
DValue* AssocArrayLiteralExp::toElem(IRState* p)
{
Logger::print("AssocArrayLiteralExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
assert(keys);
assert(values);
assert(keys->dim == values->dim);
Type* aatype = DtoDType(type);
Type* vtype = aatype->next;
DValue* aa;
if (p->topexp() && p->topexp()->e2 == this)
{
aa = p->topexp()->v;
}
else
{
llvm::Value* tmp = new llvm::AllocaInst(DtoType(type),"aaliteral",p->topallocapoint());
aa = new DVarValue(type, tmp, true);
}
const size_t n = keys->dim;
for (size_t i=0; i<n; ++i)
{
Expression* ekey = (Expression*)keys->data[i];
Expression* eval = (Expression*)values->data[i];
Logger::println("(%u) aa[%s] = %s", i, ekey->toChars(), eval->toChars());
// index
DValue* key = ekey->toElem(p);
DValue* mem = DtoAAIndex(vtype, aa, key);
// store
DValue* val = eval->toElem(p);
DtoAssign(mem, val);
}
return aa;
}
//////////////////////////////////////////////////////////////////////////////////////////
#define STUB(x) DValue *x::toElem(IRState * p) {error("Exp type "#x" not implemented: %s", toChars()); fatal(); return 0; }
//STUB(IdentityExp);
//STUB(CondExp);
//STUB(EqualExp);
//STUB(InExp);
//STUB(CmpExp);
//STUB(AndAndExp);
//STUB(OrOrExp);
//STUB(AndExp);
//STUB(AndAssignExp);
//STUB(OrExp);
//STUB(OrAssignExp);
//STUB(XorExp);
//STUB(XorAssignExp);
//STUB(ShrExp);
//STUB(ShrAssignExp);
//STUB(ShlExp);
//STUB(ShlAssignExp);
//STUB(UshrExp);
//STUB(UshrAssignExp);
//STUB(DivExp);
//STUB(DivAssignExp);
//STUB(MulExp);
//STUB(MulAssignExp);
//STUB(ModExp);
//STUB(ModAssignExp);
//STUB(CatExp);
//STUB(CatAssignExp);
//STUB(AddExp);
//STUB(AddAssignExp);
STUB(Expression);
//STUB(MinExp);
//STUB(MinAssignExp);
//STUB(PostExp);
//STUB(NullExp);
//STUB(ThisExp);
//STUB(CallExp);
STUB(DotTypeExp);
STUB(TypeDotIdExp);
//STUB(DotVarExp);
//STUB(AssertExp);
//STUB(FuncExp);
//STUB(DelegateExp);
//STUB(VarExp);
//STUB(DeclarationExp);
//STUB(NewExp);
//STUB(SymOffExp);
STUB(ScopeExp);
//STUB(AssignExp);
STUB(TypeExp);
//STUB(RealExp);
//STUB(ComplexExp);
//STUB(StringExp);
//STUB(IntegerExp);
STUB(BoolExp);
//STUB(NotExp);
//STUB(ComExp);
//STUB(NegExp);
//STUB(PtrExp);
//STUB(AddrExp);
//STUB(SliceExp);
//STUB(CastExp);
//STUB(DeleteExp);
//STUB(IndexExp);
//STUB(CommaExp);
//STUB(ArrayLengthExp);
//STUB(HaltExp);
//STUB(RemoveExp);
//STUB(ArrayLiteralExp);
//STUB(AssocArrayLiteralExp);
//STUB(StructLiteralExp);
STUB(TupleExp);
#define CONSTSTUB(x) llvm::Constant* x::toConstElem(IRState * p) {error("const Exp type "#x" not implemented: '%s' type: '%s'", toChars(), type->toChars()); fatal(); return NULL; }
CONSTSTUB(Expression);
//CONSTSTUB(IntegerExp);
//CONSTSTUB(RealExp);
//CONSTSTUB(NullExp);
//CONSTSTUB(ComplexExp);
//CONSTSTUB(StringExp);
//CONSTSTUB(VarExp);
//CONSTSTUB(ArrayLiteralExp);
CONSTSTUB(AssocArrayLiteralExp);
//CONSTSTUB(StructLiteralExp);
unsigned Type::totym() { return 0; }
type * Type::toCtype()
{
assert(0);
return 0;
}
type * Type::toCParamtype()
{
assert(0);
return 0;
}
Symbol * Type::toSymbol()
{
assert(0);
return 0;
}
type *
TypeTypedef::toCtype()
{
assert(0);
return 0;
}
type *
TypeTypedef::toCParamtype()
{
assert(0);
return 0;
}
void
TypedefDeclaration::toDebug()
{
assert(0);
}
type *
TypeEnum::toCtype()
{
assert(0);
return 0;
}
type *
TypeStruct::toCtype()
{
assert(0);
return 0;
}
void
StructDeclaration::toDebug()
{
assert(0);
}
Symbol * TypeClass::toSymbol()
{
assert(0);
return 0;
}
unsigned TypeFunction::totym()
{
assert(0);
return 0;
}
type * TypeFunction::toCtype()
{
assert(0);
return 0;
}
type * TypeSArray::toCtype()
{
assert(0);
return 0;
}
type *TypeSArray::toCParamtype()
{
assert(0);
return 0;
}
type * TypeDArray::toCtype()
{
assert(0);
return 0;
}
type * TypeAArray::toCtype()
{
assert(0);
return 0;
}
type * TypePointer::toCtype()
{
assert(0);
return 0;
}
type * TypeDelegate::toCtype()
{
assert(0);
return 0;
}
type * TypeClass::toCtype()
{
assert(0);
return 0;
}
void ClassDeclaration::toDebug()
{
assert(0);
}
//////////////////////////////////////////////////////////////////////////////
void
EnumDeclaration::toDebug()
{
assert(0);
}
int Dsymbol::cvMember(unsigned char*)
{
assert(0);
return 0;
}
int EnumDeclaration::cvMember(unsigned char*)
{
assert(0);
return 0;
}
int FuncDeclaration::cvMember(unsigned char*)
{
assert(0);
return 0;
}
int VarDeclaration::cvMember(unsigned char*)
{
assert(0);
return 0;
}
int TypedefDeclaration::cvMember(unsigned char*)
{
assert(0);
return 0;
}
void obj_includelib(char*){}
AsmStatement::AsmStatement(Loc loc, Token *tokens) :
Statement(loc)
{
this->tokens = tokens;
}
Statement *AsmStatement::syntaxCopy()
{
assert(0);
return 0;
}
Statement *AsmStatement::semantic(Scope *sc)
{
return Statement::semantic(sc);
}
void AsmStatement::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
{
Statement::toCBuffer(buf, hgs);
}
int AsmStatement::comeFrom()
{
assert(0);
return 0;
}
void
backend_init()
{
// now lazily loaded
//LLVM_D_InitRuntime();
}
void
backend_term()
{
LLVM_D_FreeRuntime();
}