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authorEvan Cheng <evan.cheng@apple.com>2010-08-17 21:00:37 +0000
committerEvan Cheng <evan.cheng@apple.com>2010-08-17 21:00:37 +0000
commit148341cc9b60d7d88be9c07a2b32b436e0cd301d (patch)
tree29a5c972e74e8b82bc01aba153ea9649733be807 /lib/CodeGen/LiveIntervalAnalysis.cpp
parent6542416560589c9cfa6298d2edc73f3350ccf56a (diff)
PHI elimination shouldn't require machineloopinfo since it's used at -O0. Move the requirement to LiveIntervalAnalysis instead. Note this does not change the number of times machineloopinfo is computed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111285 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/LiveIntervalAnalysis.cpp')
-rw-r--r--lib/CodeGen/LiveIntervalAnalysis.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 21563c4f9a..2726fc3375 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -62,9 +62,10 @@ void LiveIntervals::getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
AU.addRequired<AliasAnalysis>();
AU.addPreserved<AliasAnalysis>();
- AU.addPreserved<LiveVariables>();
AU.addRequired<LiveVariables>();
- AU.addPreservedID(MachineLoopInfoID);
+ AU.addPreserved<LiveVariables>();
+ AU.addRequired<MachineLoopInfo>();
+ AU.addPreserved<MachineLoopInfo>();
AU.addPreservedID(MachineDominatorsID);
if (!StrongPHIElim) {