Mark several codegen passes as preserving all analysis.

llvm-svn: 56469
2008-09-22 20:58:04 +00:00
parent f1acc4d610
commit 168f8f3916
9 changed files with 31 additions and 8 deletions
--- a/llvm/lib/CodeGen/LiveStackAnalysis.cpp
+++ b/llvm/lib/CodeGen/LiveStackAnalysis.cpp
@@ -26,6 +26,7 @@ static RegisterPass<LiveStacks> X("livestacks", "Live Stack Slot Analysis");

 void LiveStacks::getAnalysisUsage(AnalysisUsage &AU) const {
  AU.setPreservesAll();
+  MachineFunctionPass::getAnalysisUsage(AU);
 }

 void LiveStacks::releaseMemory() {