From 168f8f3916733e18b237046007d41fa95f2ef025 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.

llvm-svn: 56469
---
 llvm/lib/CodeGen/LiveStackAnalysis.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'llvm/lib/CodeGen/LiveStackAnalysis.cpp')

diff --git a/llvm/lib/CodeGen/LiveStackAnalysis.cpp b/llvm/lib/CodeGen/LiveStackAnalysis.cpp
index 9358c105705..2baf699c66c 100644
--- 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() {
-- 
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