diff options
| author | Evan Cheng <evan.cheng@apple.com> | 2010-08-17 20:57:42 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2010-08-17 20:57:42 +0000 |
| commit | e0db9d01d9acc6ae0536d2151d69193ad9961d4b (patch) | |
| tree | da070183a314bd4b519de5f0ece7ad56be8475c5 /llvm/lib/CodeGen/MachineCSE.cpp | |
| parent | 135bcc791bcfd7e78977d7c7280e3c0f355cfaa2 (diff) | |
| download | bcm5719-llvm-e0db9d01d9acc6ae0536d2151d69193ad9961d4b.tar.gz bcm5719-llvm-e0db9d01d9acc6ae0536d2151d69193ad9961d4b.zip | |
Machine CSE preserves CFG. Pass manager was freeing machineloopinfo after machine cse before.
llvm-svn: 111281
Diffstat (limited to 'llvm/lib/CodeGen/MachineCSE.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineCSE.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineCSE.cpp b/llvm/lib/CodeGen/MachineCSE.cpp index 60642d46223..92e2299ec62 100644 --- a/llvm/lib/CodeGen/MachineCSE.cpp +++ b/llvm/lib/CodeGen/MachineCSE.cpp @@ -49,6 +49,7 @@ namespace { AU.setPreservesCFG(); MachineFunctionPass::getAnalysisUsage(AU); AU.addRequired<AliasAnalysis>(); + AU.addPreservedID(MachineLoopInfoID); AU.addRequired<MachineDominatorTree>(); AU.addPreserved<MachineDominatorTree>(); } |
