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-rw-r--r--llvm/lib/Target/AMDGPU/SILowerI1Copies.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/SILowerI1Copies.cpp b/llvm/lib/Target/AMDGPU/SILowerI1Copies.cpp
index 67421e231d8..a2fa5fd93aa 100644
--- a/llvm/lib/Target/AMDGPU/SILowerI1Copies.cpp
+++ b/llvm/lib/Target/AMDGPU/SILowerI1Copies.cpp
@@ -48,6 +48,7 @@ public:
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.addRequired<MachineDominatorTree>();
+ AU.addPreserved<MachineDominatorTree>();
AU.setPreservesCFG();
MachineFunctionPass::getAnalysisUsage(AU);
}
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