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| author | Chris Lattner <sabre@nondot.org> | 2003-04-21 19:15:26 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2003-04-21 19:15:26 +0000 |
| commit | 085c801dee6869e657981750e723fe5cd1482c55 (patch) | |
| tree | 7da33dda5397caaeeda1418dc3d0f10fd5ade31b /lib/Transforms/Utils/PromoteMemoryToRegister.cpp | |
| parent | c65b104309d918a31212056ef6c7bcb37864426a (diff) | |
Fix bug where use still existed in dead code
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5824 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Utils/PromoteMemoryToRegister.cpp')
| -rw-r--r-- | lib/Transforms/Utils/PromoteMemoryToRegister.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Transforms/Utils/PromoteMemoryToRegister.cpp b/lib/Transforms/Utils/PromoteMemoryToRegister.cpp index d828f042d9..8406910e6b 100644 --- a/lib/Transforms/Utils/PromoteMemoryToRegister.cpp +++ b/lib/Transforms/Utils/PromoteMemoryToRegister.cpp @@ -168,6 +168,8 @@ void PromoteMem2Reg::run() { // while (!I->use_empty()) { Instruction *U = cast<Instruction>(I->use_back()); + if (!U->use_empty()) // If uses remain in dead code segment... + U->replaceAllUsesWith(Constant::getNullValue(U->getType())); U->getParent()->getInstList().erase(U); } |