diff options
| author | Chris Lattner <sabre@nondot.org> | 2007-05-19 06:51:32 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2007-05-19 06:51:32 +0000 |
| commit | a655a157a0a8da055d441522ffab105990a1d80e (patch) | |
| tree | 30a297260ee6ade5c23f747a4fe61ffebefa43ee /llvm/lib/Transforms/Scalar/InstructionCombining.cpp | |
| parent | faa31904e4466e4ef5fc7e431229391351e4a6c1 (diff) | |
| download | bcm5719-llvm-a655a157a0a8da055d441522ffab105990a1d80e.tar.gz bcm5719-llvm-a655a157a0a8da055d441522ffab105990a1d80e.zip | |
Fix Transforms/InstCombine/2007-05-18-CastFoldBug.ll, a bug that devastates
objc code due to the way the FE lowers objc message sends.
llvm-svn: 37256
Diffstat (limited to 'llvm/lib/Transforms/Scalar/InstructionCombining.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/InstructionCombining.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp index 08905576d22..db105adf7ff 100644 --- a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp @@ -7773,6 +7773,14 @@ bool InstCombiner::transformConstExprCastCall(CallSite CS) { const FunctionType *FT = Callee->getFunctionType(); const Type *OldRetTy = Caller->getType(); + const FunctionType *ActualFT = + cast<FunctionType>(cast<PointerType>(CE->getType())->getElementType()); + + // If the parameter attributes don't match up, don't do the xform. We don't + // want to lose an sret attribute or something. + if (FT->getParamAttrs() != ActualFT->getParamAttrs()) + return false; + // Check to see if we are changing the return type... if (OldRetTy != FT->getReturnType()) { if (Callee->isDeclaration() && !Caller->use_empty() && |
