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/MachineModuleInfo.cpp
+++ b/llvm/lib/CodeGen/MachineModuleInfo.cpp
@@ -2013,6 +2013,11 @@ struct DebugLabelFolder : public MachineFunctionPass {
  static char ID;
  DebugLabelFolder() : MachineFunctionPass(&ID) {}

+  virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+    AU.setPreservesAll();
+    MachineFunctionPass::getAnalysisUsage(AU);
+  }
+
  virtual bool runOnMachineFunction(MachineFunction &MF);
  virtual const char *getPassName() const { return "Label Folder"; }
 };