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If we can convert the return pointer type into an integer that IntPtrType

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can be converted to losslessly, we can continue the conversion to a direct call.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27880 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Lenharth 2006-04-20 14:56:47 +00:00
parent 3b9adf8864
commit 8117f9a40e
1 changed files with 4 additions and 2 deletions
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6
lib/Transforms/Scalar/InstructionCombining.cpp
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@ -5681,8 +5681,10 @@ bool InstCombiner::transformConstExprCastCall(CallSite CS) {
// Check to see if we are changing the return type...
if (OldRetTy != FT->getReturnType()) {
if (Callee->isExternal() &&
!OldRetTy->isLosslesslyConvertibleTo(FT->getReturnType()) &&
!Caller->use_empty())
!(OldRetTy->isLosslesslyConvertibleTo(FT->getReturnType()) ||
(isa<PointerType>(FT->getReturnType()) &&
OldRetTy->isLosslesslyConvertibleTo(TD->getIntPtrType())))
&& !Caller->use_empty())
return false; // Cannot transform this return value...
// If the callsite is an invoke instruction, and the return value is used by