diff options
Diffstat (limited to 'lib/CodeGen/LiveStackAnalysis.cpp')
| -rw-r--r-- | lib/CodeGen/LiveStackAnalysis.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/LiveStackAnalysis.cpp b/lib/CodeGen/LiveStackAnalysis.cpp index 2baf699c66..0670570ddf 100644 --- a/lib/CodeGen/LiveStackAnalysis.cpp +++ b/lib/CodeGen/LiveStackAnalysis.cpp @@ -25,7 +25,8 @@ char LiveStacks::ID = 0; static RegisterPass<LiveStacks> X("livestacks", "Live Stack Slot Analysis"); void LiveStacks::getAnalysisUsage(AnalysisUsage &AU) const { - AU.setPreservesAll(); + AU.addPreservedID(MachineLoopInfoID); + AU.addPreservedID(MachineDominatorsID); MachineFunctionPass::getAnalysisUsage(AU); } |