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| author | Chris Lattner <sabre@nondot.org> | 2009-06-11 17:54:56 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-06-11 17:54:56 +0000 |
| commit | 61797e329101dbbe1230a9b094f8cf71a770bf33 (patch) | |
| tree | 02950bec2a96449a331d5d2ac4dff5cf3c83ceb3 /llvm/lib/Transforms | |
| parent | 5dce37298f49f76b9514df81b9d7e56b56b1fe18 (diff) | |
| download | bcm5719-llvm-61797e329101dbbe1230a9b094f8cf71a770bf33.tar.gz bcm5719-llvm-61797e329101dbbe1230a9b094f8cf71a770bf33.zip | |
Fix 4366: store to null in non-default addr space should not be
turned into unreachable.
llvm-svn: 73195
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/InstructionCombining.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp index 6d2ff0e3e53..03a7317138a 100644 --- a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp @@ -11824,7 +11824,8 @@ Instruction *InstCombiner::visitStoreInst(StoreInst &SI) { if (SI.isVolatile()) return 0; // Don't hack volatile stores. // store X, null -> turns into 'unreachable' in SimplifyCFG - if (isa<ConstantPointerNull>(Ptr)) { + if (isa<ConstantPointerNull>(Ptr) && + cast<PointerType>(Ptr->getType())->getAddressSpace() == 0) { if (!isa<UndefValue>(Val)) { SI.setOperand(0, UndefValue::get(Val->getType())); if (Instruction *U = dyn_cast<Instruction>(Val)) |
