diff options
| author | Bill Wendling <isanbard@gmail.com> | 2008-01-04 20:54:55 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2008-01-04 20:54:55 +0000 |
| commit | 6226436fd365f491a87914451dcd2b04137994e9 (patch) | |
| tree | 18e75f184bc456659e065bd81df678486e1f3c3d /lib/CodeGen/SimpleRegisterCoalescing.cpp | |
| parent | b549333d968f6fcddad77e3689542e0402ccebdc (diff) | |
| download | external_llvm-6226436fd365f491a87914451dcd2b04137994e9.tar.gz external_llvm-6226436fd365f491a87914451dcd2b04137994e9.tar.bz2 external_llvm-6226436fd365f491a87914451dcd2b04137994e9.zip | |
Don't recalculate the loop info and loop dominators analyses if they're
preserved.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45596 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SimpleRegisterCoalescing.cpp')
| -rw-r--r-- | lib/CodeGen/SimpleRegisterCoalescing.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/SimpleRegisterCoalescing.cpp b/lib/CodeGen/SimpleRegisterCoalescing.cpp index 69dd56d843..de94688e3a 100644 --- a/lib/CodeGen/SimpleRegisterCoalescing.cpp +++ b/lib/CodeGen/SimpleRegisterCoalescing.cpp @@ -67,6 +67,8 @@ const PassInfo *llvm::SimpleRegisterCoalescingID = X.getPassInfo(); void SimpleRegisterCoalescing::getAnalysisUsage(AnalysisUsage &AU) const { AU.addPreserved<LiveIntervals>(); + AU.addPreserved<MachineLoopInfo>(); + AU.addPreservedID(MachineDominatorsID); AU.addPreservedID(PHIEliminationID); AU.addPreservedID(TwoAddressInstructionPassID); AU.addRequired<LiveVariables>(); |