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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 | 46371cc50072b26c3eb4a7af81e52f1ae799f3f8 (patch) | |
| tree | fffbf212c3f323ae8516a6b19f27d9e5bb89655b | |
| parent | 4b462c0f996928cbfa16f3b42e542c3452577c00 (diff) | |
| download | bcm5719-llvm-46371cc50072b26c3eb4a7af81e52f1ae799f3f8.tar.gz bcm5719-llvm-46371cc50072b26c3eb4a7af81e52f1ae799f3f8.zip | |
Fix bug where use still existed in dead code
llvm-svn: 5824
| -rw-r--r-- | llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp b/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp index d828f042d9e..8406910e6b9 100644 --- a/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp +++ b/llvm/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); } |
