From bbeeb2a61ea19fbb5449260165b56c40fdc4860b Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Mon, 22 Sep 2008 20:58:04 +0000
Subject: 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
---
 lib/CodeGen/MachineModuleInfo.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'lib/CodeGen/MachineModuleInfo.cpp')

diff --git a/lib/CodeGen/MachineModuleInfo.cpp b/lib/CodeGen/MachineModuleInfo.cpp
index 69f8d3c014..9843ff279a 100644
--- a/lib/CodeGen/MachineModuleInfo.cpp
+++ b/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"; }
 };
-- 
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