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| author | Andrew Lenharth <andrewl@lenharth.org> | 2007-02-07 22:32:03 +0000 |
|---|---|---|
| committer | Andrew Lenharth <andrewl@lenharth.org> | 2007-02-07 22:32:03 +0000 |
| commit | 054cc8ad045dfae488b9a3310c2929bd987ebe7a (patch) | |
| tree | 7a263fe408874d232e45c1add43a8462c1857def | |
| parent | 84c0e17e928a3600c786c614861654fded08423e (diff) | |
| download | llvm-release/1.9.x.tar.gz | |
Fix miscompile of linux kernel (llvm 1.9)release/1.9.x
llvm-svn: 34015
| -rw-r--r-- | llvm/lib/Transforms/Scalar/InstructionCombining.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp index f00be24aad0d..cc7d8b9263ae 100644 --- a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp @@ -377,9 +377,9 @@ static bool isEliminableCastOfCast(const Type *SrcTy, const Type *MidTy, // If we are casting between pointer and integer types, treat pointers as // integers of the appropriate size for the code below. - if (isa<PointerType>(SrcTy)) SrcTy = TD->getIntPtrType(); - if (isa<PointerType>(MidTy)) MidTy = TD->getIntPtrType(); - if (isa<PointerType>(DstTy)) DstTy = TD->getIntPtrType(); + if (isa<PointerType>(SrcTy)) SrcTy = TD->getIntPtrType()->getSignedVersion(); + if (isa<PointerType>(MidTy)) MidTy = TD->getIntPtrType()->getSignedVersion(); + if (isa<PointerType>(DstTy)) DstTy = TD->getIntPtrType()->getSignedVersion(); // Allow free casting and conversion of sizes as long as the sign doesn't // change... |