Mark several codegen passes as preserving all analysis.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56469 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2008-09-22 20:58:04 +00:00
parent f74185b80e
commit bbeeb2a61e
9 changed files with 31 additions and 8 deletions

View File

@ -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"; }
};