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authorCameron Zwarich <zwarich@apple.com>2013-02-20 06:46:28 +0000
committerCameron Zwarich <zwarich@apple.com>2013-02-20 06:46:28 +0000
commit4f659eccafe34efea2a4ba6e57ad09977e9157c2 (patch)
treee78590a245248f28b5b470342d8a1f8208c66a17 /lib/CodeGen/PHIElimination.cpp
parent4318fc5e1e44f355ae117dcac385f1718d971e90 (diff)
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Add preservation of SlotIndexes to PHIElimination.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175596 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/PHIElimination.cpp')
-rw-r--r--lib/CodeGen/PHIElimination.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/PHIElimination.cpp b/lib/CodeGen/PHIElimination.cpp
index abad5c1e85..37e2ee1fae 100644
--- a/lib/CodeGen/PHIElimination.cpp
+++ b/lib/CodeGen/PHIElimination.cpp
@@ -116,6 +116,7 @@ INITIALIZE_PASS_END(PHIElimination, "phi-node-elimination",
void PHIElimination::getAnalysisUsage(AnalysisUsage &AU) const {
AU.addPreserved<LiveVariables>();
+ AU.addPreserved<SlotIndexes>();
AU.addPreserved<LiveIntervals>();
AU.addPreserved<MachineDominatorTree>();
AU.addPreserved<MachineLoopInfo>();