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Fix regressions in InstCombine/call-cast-target.ll and InstCombine/2003-11-13-ConstExprCastCall.ll

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32959 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-01-06 19:53:32 +00:00
parent cea9d1d634
commit 46013f4044
1 changed files with 5 additions and 1 deletions
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6
lib/Transforms/Scalar/InstructionCombining.cpp
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@ -7208,7 +7208,10 @@ 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 != FT->getReturnType())
OldRetTy != FT->getReturnType() &&
// Conversion is ok if changing from pointer to int of same size.
!(isa<PointerType>(FT->getReturnType()) &&
TD->getIntPtrType() == OldRetTy))
return false; // Cannot transform this return value.
// If the callsite is an invoke instruction, and the return value is used by
@ -7235,6 +7238,7 @@ bool InstCombiner::transformConstExprCastCall(CallSite CS) {
ConstantInt *c = dyn_cast<ConstantInt>(*AI);
//Either we can cast directly, or we can upconvert the argument
bool isConvertible = ActTy == ParamTy ||
(isa<PointerType>(ParamTy) && isa<PointerType>(ActTy)) ||
(ParamTy->isIntegral() && ActTy->isIntegral() &&
ParamTy->getPrimitiveSize() >= ActTy->getPrimitiveSize()) ||
(c && ParamTy->getPrimitiveSize() >= ActTy->getPrimitiveSize() &&