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-rw-r--r--llvm/lib/Transforms/InstCombine/InstructionCombining.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
index 5a0b01eca5c..4b7f841e2cd 100644
--- a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
@@ -90,7 +90,8 @@ INITIALIZE_PASS_END(InstCombiner, "instcombine",
"Combine redundant instructions", false, false)
void InstCombiner::getAnalysisUsage(AnalysisUsage &AU) const {
- AU.setPreservesCFG();
+ AU.addPreserved<DominatorTreeWrapperPass>();
+ AU.addPreserved<LoopInfo>();
AU.addRequired<AssumptionTracker>();
AU.addRequired<TargetLibraryInfo>();
}
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