Livestacks really does preserve everything.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56476 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveStackAnalysis.cpp b/lib/CodeGen/LiveStackAnalysis.cpp
index 0670570..2baf699 100644
--- a/lib/CodeGen/LiveStackAnalysis.cpp
+++ b/lib/CodeGen/LiveStackAnalysis.cpp
@@ -25,8 +25,7 @@
static RegisterPass<LiveStacks> X("livestacks", "Live Stack Slot Analysis");
void LiveStacks::getAnalysisUsage(AnalysisUsage &AU) const {
- AU.addPreservedID(MachineLoopInfoID);
- AU.addPreservedID(MachineDominatorsID);
+ AU.setPreservesAll();
MachineFunctionPass::getAnalysisUsage(AU);
}