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driver/gen/ir: clang-format the world
This uses the LLVM style, which makes sense for sharing code with other LLVM projects. The DMD code we use will soon all be in D anyway.
This commit is contained in:
David Nadlinger
parent
123666cf89
commit
44b0f7b615
125 changed files with 28991 additions and 30602 deletions
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@ -27,14 +27,15 @@ Module *g_dMainModule = 0;
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/// Callback to generate a C main() function, invoked by the frontend.
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void genCmain(Scope *sc) {
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if (g_entrypointModule) return;
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if (g_entrypointModule)
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return;
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/* The D code to be generated is provided as D source code in the form of a
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* string.
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* Note that Solaris, for unknown reasons, requires both a main() and an
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* _main()
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*/
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static utf8_t code[] = "extern(C) {\n\
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/* The D code to be generated is provided as D source code in the form of a
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* string.
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* Note that Solaris, for unknown reasons, requires both a main() and an
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* _main()
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*/
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static utf8_t code[] = "extern(C) {\n\
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int _d_run_main(int argc, char **argv, void* mainFunc);\n\
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int _Dmain(char[][] args);\n\
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int main(int argc, char **argv) { return _d_run_main(argc, argv, &_Dmain); }\n\
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@ -43,26 +44,26 @@ void genCmain(Scope *sc) {
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pragma(LDC_no_moduleinfo);\n\
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";
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Identifier *id = Id::entrypoint;
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Module *m = new Module("__entrypoint.d", id, 0, 0);
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Identifier *id = Id::entrypoint;
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Module *m = new Module("__entrypoint.d", id, 0, 0);
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Parser p(m, code, sizeof(code) / sizeof(code[0]), 0);
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p.scanloc = Loc();
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p.nextToken();
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m->members = p.parseModule();
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assert(p.token.value == TOKeof);
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Parser p(m, code, sizeof(code) / sizeof(code[0]), 0);
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p.scanloc = Loc();
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p.nextToken();
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m->members = p.parseModule();
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assert(p.token.value == TOKeof);
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char v = global.params.verbose;
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global.params.verbose = 0;
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m->importedFrom = m;
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m->importAll(0);
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m->semantic();
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m->semantic2();
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m->semantic3();
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global.params.verbose = v;
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char v = global.params.verbose;
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global.params.verbose = 0;
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m->importedFrom = m;
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m->importAll(0);
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m->semantic();
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m->semantic2();
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m->semantic3();
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global.params.verbose = v;
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g_entrypointModule = m;
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g_dMainModule = sc->module;
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g_entrypointModule = m;
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g_dMainModule = sc->module;
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}
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namespace {
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@ -71,14 +72,14 @@ namespace {
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/// of the first symbol.
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void emitSymbolAddrGlobal(llvm::Module &lm, const char *symbolName,
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const char *addrName) {
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llvm::Type *voidPtr =
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llvm::PointerType::get(llvm::Type::getInt8Ty(lm.getContext()), 0);
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llvm::GlobalVariable *targetSymbol = new llvm::GlobalVariable(
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lm, voidPtr, false, llvm::GlobalValue::ExternalWeakLinkage, 0,
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symbolName);
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new llvm::GlobalVariable(
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lm, voidPtr, false, llvm::GlobalValue::ExternalLinkage,
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llvm::ConstantExpr::getBitCast(targetSymbol, voidPtr), addrName);
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llvm::Type *voidPtr =
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llvm::PointerType::get(llvm::Type::getInt8Ty(lm.getContext()), 0);
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llvm::GlobalVariable *targetSymbol = new llvm::GlobalVariable(
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lm, voidPtr, false, llvm::GlobalValue::ExternalWeakLinkage, 0,
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symbolName);
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new llvm::GlobalVariable(
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lm, voidPtr, false, llvm::GlobalValue::ExternalLinkage,
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llvm::ConstantExpr::getBitCast(targetSymbol, voidPtr), addrName);
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}
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}
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@ -86,136 +87,139 @@ namespace ldc {
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CodeGenerator::CodeGenerator(llvm::LLVMContext &context, bool singleObj)
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: context_(context), moduleCount_(0), singleObj_(singleObj), ir_(0),
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firstModuleObjfileName_(0) {
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if (!ClassDeclaration::object) {
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error(Loc(), "declaration for class Object not found; druntime not "
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"configured properly");
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fatal();
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}
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if (!ClassDeclaration::object) {
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error(Loc(), "declaration for class Object not found; druntime not "
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"configured properly");
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fatal();
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}
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}
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CodeGenerator::~CodeGenerator() {
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if (singleObj_) {
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const char *oname;
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const char *filename;
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if ((oname = global.params.exefile) ||
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(oname = global.params.objname)) {
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filename = FileName::forceExt(oname, global.params.targetTriple.isOSWindows() ? global.obj_ext_alt : global.obj_ext);
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if (global.params.objdir) {
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filename = FileName::combine(global.params.objdir,
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FileName::name(filename));
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}
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} else {
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filename = firstModuleObjfileName_;
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}
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writeAndFreeLLModule(filename);
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if (singleObj_) {
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const char *oname;
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const char *filename;
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if ((oname = global.params.exefile) || (oname = global.params.objname)) {
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filename = FileName::forceExt(
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oname, global.params.targetTriple.isOSWindows() ? global.obj_ext_alt
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: global.obj_ext);
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if (global.params.objdir) {
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filename =
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FileName::combine(global.params.objdir, FileName::name(filename));
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}
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} else {
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filename = firstModuleObjfileName_;
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}
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writeAndFreeLLModule(filename);
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}
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}
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void CodeGenerator::prepareLLModule(Module *m) {
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if (!firstModuleObjfileName_) {
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firstModuleObjfileName_ = m->objfile->name->str;
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}
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++moduleCount_;
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if (!firstModuleObjfileName_) {
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firstModuleObjfileName_ = m->objfile->name->str;
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}
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++moduleCount_;
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if (singleObj_ && ir_) return;
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if (singleObj_ && ir_)
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return;
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assert(!ir_);
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assert(!ir_);
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// See http://llvm.org/bugs/show_bug.cgi?id=11479 – just use the source file
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// name, as it should not collide with a symbol name used somewhere in the
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// module.
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ir_ = new IRState(m->srcfile->toChars(), context_);
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ir_->module.setTargetTriple(global.params.targetTriple.str());
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// See http://llvm.org/bugs/show_bug.cgi?id=11479 – just use the source file
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// name, as it should not collide with a symbol name used somewhere in the
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// module.
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ir_ = new IRState(m->srcfile->toChars(), context_);
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ir_->module.setTargetTriple(global.params.targetTriple.str());
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#if LDC_LLVM_VER >= 308
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ir_->module.setDataLayout(*gDataLayout);
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ir_->module.setDataLayout(*gDataLayout);
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#else
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ir_->module.setDataLayout(gDataLayout->getStringRepresentation());
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ir_->module.setDataLayout(gDataLayout->getStringRepresentation());
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#endif
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// TODO: Make ldc::DIBuilder per-Module to be able to emit several CUs for
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// singleObj compilations?
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ir_->DBuilder.EmitCompileUnit(m);
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// TODO: Make ldc::DIBuilder per-Module to be able to emit several CUs for
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// singleObj compilations?
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ir_->DBuilder.EmitCompileUnit(m);
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IrDsymbol::resetAll();
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IrDsymbol::resetAll();
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}
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void CodeGenerator::finishLLModule(Module *m) {
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if (singleObj_) return;
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if (singleObj_)
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return;
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m->deleteObjFile();
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writeAndFreeLLModule(m->objfile->name->str);
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m->deleteObjFile();
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writeAndFreeLLModule(m->objfile->name->str);
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}
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void CodeGenerator::writeAndFreeLLModule(const char *filename) {
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ir_->DBuilder.Finalize();
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ir_->DBuilder.Finalize();
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// Add the linker options metadata flag.
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ir_->module.addModuleFlag(
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llvm::Module::AppendUnique, "Linker Options",
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llvm::MDNode::get(ir_->context(), ir_->LinkerMetadataArgs));
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// Add the linker options metadata flag.
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ir_->module.addModuleFlag(
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llvm::Module::AppendUnique, "Linker Options",
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llvm::MDNode::get(ir_->context(), ir_->LinkerMetadataArgs));
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// Emit ldc version as llvm.ident metadata.
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llvm::NamedMDNode *IdentMetadata =
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ir_->module.getOrInsertNamedMetadata("llvm.ident");
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std::string Version("ldc version ");
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Version.append(global.ldc_version);
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// Emit ldc version as llvm.ident metadata.
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llvm::NamedMDNode *IdentMetadata =
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ir_->module.getOrInsertNamedMetadata("llvm.ident");
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std::string Version("ldc version ");
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Version.append(global.ldc_version);
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#if LDC_LLVM_VER >= 306
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llvm::Metadata *IdentNode[] =
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llvm::Metadata *IdentNode[] =
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#else
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llvm::Value *IdentNode[] =
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llvm::Value *IdentNode[] =
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#endif
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{llvm::MDString::get(ir_->context(), Version)};
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IdentMetadata->addOperand(llvm::MDNode::get(ir_->context(), IdentNode));
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{llvm::MDString::get(ir_->context(), Version)};
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IdentMetadata->addOperand(llvm::MDNode::get(ir_->context(), IdentNode));
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writeModule(&ir_->module, filename);
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global.params.objfiles->push(const_cast<char *>(filename));
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delete ir_;
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ir_ = 0;
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writeModule(&ir_->module, filename);
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global.params.objfiles->push(const_cast<char *>(filename));
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delete ir_;
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ir_ = 0;
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}
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void CodeGenerator::emit(Module *m) {
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bool const loggerWasEnabled = Logger::enabled();
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if (m->llvmForceLogging && !loggerWasEnabled) {
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Logger::enable();
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bool const loggerWasEnabled = Logger::enabled();
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if (m->llvmForceLogging && !loggerWasEnabled) {
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Logger::enable();
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}
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IF_LOG Logger::println("CodeGenerator::emit(%s)", m->toPrettyChars());
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LOG_SCOPE;
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if (global.params.verbose_cg) {
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printf("codegen: %s (%s)\n", m->toPrettyChars(), m->srcfile->toChars());
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}
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if (global.errors) {
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Logger::println("Aborting because of errors");
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fatal();
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}
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prepareLLModule(m);
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// If we are compiling to a single object file then only the first module
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// needs to generate a call to _d_dso_registry(). All other modules only add
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// a module reference.
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// FIXME Find better name.
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const bool emitFullModuleInfo =
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!singleObj_ || (singleObj_ && moduleCount_ == 1);
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codegenModule(ir_, m, emitFullModuleInfo);
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if (m == g_dMainModule) {
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codegenModule(ir_, g_entrypointModule, emitFullModuleInfo);
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// On Linux, strongly define the excecutabe BSS bracketing symbols in
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// the main module for druntime use (see rt.sections_linux).
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if (global.params.isLinux) {
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emitSymbolAddrGlobal(ir_->module, "__bss_start", "_d_execBssBegAddr");
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emitSymbolAddrGlobal(ir_->module, "_end", "_d_execBssEndAddr");
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}
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}
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IF_LOG Logger::println("CodeGenerator::emit(%s)", m->toPrettyChars());
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LOG_SCOPE;
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finishLLModule(m);
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if (global.params.verbose_cg) {
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printf("codegen: %s (%s)\n", m->toPrettyChars(), m->srcfile->toChars());
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}
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if (global.errors) {
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Logger::println("Aborting because of errors");
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fatal();
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}
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prepareLLModule(m);
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// If we are compiling to a single object file then only the first module needs
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// to generate a call to _d_dso_registry(). All other modules only add a module
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// reference.
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// FIXME Find better name.
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const bool emitFullModuleInfo = !singleObj_ || (singleObj_ && moduleCount_ == 1);
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codegenModule(ir_, m, emitFullModuleInfo);
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if (m == g_dMainModule) {
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codegenModule(ir_, g_entrypointModule, emitFullModuleInfo);
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// On Linux, strongly define the excecutabe BSS bracketing symbols in
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// the main module for druntime use (see rt.sections_linux).
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if (global.params.isLinux) {
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emitSymbolAddrGlobal(ir_->module, "__bss_start",
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"_d_execBssBegAddr");
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emitSymbolAddrGlobal(ir_->module, "_end", "_d_execBssEndAddr");
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}
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}
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finishLLModule(m);
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if (m->llvmForceLogging && !loggerWasEnabled) {
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Logger::disable();
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}
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if (m->llvmForceLogging && !loggerWasEnabled) {
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Logger::disable();
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}
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}
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}
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