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authorChris Lattner <sabre@nondot.org>2003-04-21 19:15:26 +0000
committerChris Lattner <sabre@nondot.org>2003-04-21 19:15:26 +0000
commit46371cc50072b26c3eb4a7af81e52f1ae799f3f8 (patch)
treefffbf212c3f323ae8516a6b19f27d9e5bb89655b /llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
parent4b462c0f996928cbfa16f3b42e542c3452577c00 (diff)
downloadbcm5719-llvm-46371cc50072b26c3eb4a7af81e52f1ae799f3f8.tar.gz
bcm5719-llvm-46371cc50072b26c3eb4a7af81e52f1ae799f3f8.zip
Fix bug where use still existed in dead code
llvm-svn: 5824
Diffstat (limited to 'llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp')
-rw-r--r--llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp2
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);
}
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