From: Owen Anderson <resistor@mac.com>
Date: Thu, 8 Nov 2007 22:23:57 +0000 (+0000)
Subject: This preserves critical edge breaking.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=0823cea34a5e02513c513b7ba00db4fc6266c4a1;p=oota-llvm.git

This preserves critical edge breaking.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43911 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/TwoAddressInstructionPass.cpp b/lib/CodeGen/TwoAddressInstructionPass.cpp
index b8d38dc229e..defd6ce6fbe 100644
--- a/lib/CodeGen/TwoAddressInstructionPass.cpp
+++ b/lib/CodeGen/TwoAddressInstructionPass.cpp
@@ -70,6 +70,7 @@ void TwoAddressInstructionPass::getAnalysisUsage(AnalysisUsage &AU) const {
   AU.addRequired<LiveVariables>();
   AU.addPreserved<LiveVariables>();
   AU.addPreservedID(PHIEliminationID);
+  AU.addPreservedID(BreakCriticalMachineEdgesID);
   MachineFunctionPass::getAnalysisUsage(AU);
 }