Changes in directory llvm/lib/Transforms/Scalar:
InstructionCombining.cpp updated: 1.766 -> 1.767
---
Log message:
Fix Transforms/InstCombine/2007-05-18-CastFoldBug.ll, a bug that devastates
objc code due to the way the FE lowers objc message sends.
---
Diffs of the changes: (+8 -0)
InstructionCombining.cpp | 8 ++++++++
1 files changed, 8 insertions(+)
Index: llvm/lib/Transforms/Scalar/InstructionCombining.cpp
diff -u llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.766
llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.767
--- llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.766 Mon May 14
19:16:00 2007
+++ llvm/lib/Transforms/Scalar/InstructionCombining.cpp Sat May 19 01:51:32 2007
@@ -7773,6 +7773,14 @@
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() &&
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