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[svn r386] Fixed broken DtoBoolean.

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Some code cleanup.
This commit is contained in:
Tomas Lindquist Olsen 2008-07-15 00:17:03 +02:00
parent 25dea7a16e
commit 86a3f53cfe
7 changed files with 81 additions and 58 deletions
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56
gen/llvmhelpers.cpp
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@ -4,6 +4,7 @@
#include "mars.h"
#include "init.h"
#include "id.h"
#include "expression.h"
#include "gen/tollvm.h"
#include "gen/llvmhelpers.h"
@ -1312,3 +1313,58 @@ void findDefaultTarget()
global.params.llvmArch = const_cast<char*>(e->Name);
}
}
//////////////////////////////////////////////////////////////////////////////////////////
LLValue* DtoBoolean(DValue* dval)
{
Type* dtype = dval->getType()->toBasetype();
TY ty = dtype->ty;
// integer
if (dtype->isintegral())
{
LLValue* val = dval->getRVal();
if (val->getType() == LLType::Int1Ty)
return val;
else {
LLValue* zero = LLConstantInt::get(val->getType(), 0, false);
return gIR->ir->CreateICmpNE(val, zero, "tmp");
}
}
// complex
else if (dtype->iscomplex())
{
// huh?
return DtoComplexEquals(TOKnotequal, dval, DtoComplex(dtype, new DNullValue(Type::tint8, llvm::ConstantInt::get(LLType::Int8Ty, 0))));
}
// floating point
else if (dtype->isfloating())
{
LLValue* val = dval->getRVal();
LLValue* zero = LLConstant::getNullValue(val->getType());
return gIR->ir->CreateFCmpONE(val, zero, "tmp");
}
// pointer/class
else if (ty == Tpointer || ty == Tclass) {
LLValue* val = dval->getRVal();
LLValue* zero = LLConstant::getNullValue(val->getType());
return gIR->ir->CreateICmpNE(val, zero, "tmp");
}
// dynamic array
else if (ty == Tarray)
{
// return (arr.length != 0)
return gIR->ir->CreateICmpNE(DtoArrayLen(dval), DtoConstSize_t(0), "tmp");
}
// delegate
else if (ty == Tdelegate)
{
// return (dg !is null)
return DtoDelegateEquals(TOKnotequal, dval->getRVal(), NULL);
}
// unknown
std::cout << "unsupported -> bool : " << dtype->toChars() << '\n';
assert(0);
return 0;
}