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simplify some more code now that there are not multiple different integer

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types of the same size


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32948 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-01-06 02:09:32 +00:00
parent 57d8637468
commit ec47992f5c
1 changed files with 4 additions and 8 deletions
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12
lib/Transforms/Scalar/InstructionCombining.cpp
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@ -7211,13 +7211,9 @@ bool InstCombiner::transformConstExprCastCall(CallSite CS) {
// Check to see if we are changing the return type...
if (OldRetTy != FT->getReturnType()) {
if (Callee->isExternal() &&
!Caller->use_empty() &&
!(OldRetTy->canLosslesslyBitCastTo(FT->getReturnType()) ||
(isa<PointerType>(FT->getReturnType()) &&
TD->getIntPtrType()->canLosslesslyBitCastTo(OldRetTy)))
)
return false; // Cannot transform this return value...
if (Callee->isExternal() && !Caller->use_empty() &&
OldRetTy != FT->getReturnType())
return false; // Cannot transform this return value.
// If the callsite is an invoke instruction, and the return value is used by
// a PHI node in a successor, we cannot change the return type of the call
@ -7242,7 +7238,7 @@ bool InstCombiner::transformConstExprCastCall(CallSite CS) {
const Type *ActTy = (*AI)->getType();
ConstantInt *c = dyn_cast<ConstantInt>(*AI);
//Either we can cast directly, or we can upconvert the argument
bool isConvertible = ActTy->canLosslesslyBitCastTo(ParamTy) ||
bool isConvertible = ActTy == ParamTy ||
(ParamTy->isIntegral() && ActTy->isIntegral() &&
ParamTy->getPrimitiveSize() >= ActTy->getPrimitiveSize()) ||
(c && ParamTy->getPrimitiveSize() >= ActTy->getPrimitiveSize() &&