From fc7fdef7d24d7629c4f76d4334b4ed51968cd7ee Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Thu, 7 Jun 2007 21:57:03 +0000
Subject: Use DominatorTree instead of ETForest. This allows faster immediate
 domiantor walk.

llvm-svn: 37500
---
 llvm/lib/Transforms/Utils/Mem2Reg.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'llvm/lib/Transforms/Utils/Mem2Reg.cpp')

diff --git a/llvm/lib/Transforms/Utils/Mem2Reg.cpp b/llvm/lib/Transforms/Utils/Mem2Reg.cpp
index 0fddda3..d67b3de 100644
--- a/llvm/lib/Transforms/Utils/Mem2Reg.cpp
+++ b/llvm/lib/Transforms/Utils/Mem2Reg.cpp
@@ -38,7 +38,7 @@ namespace {
     // getAnalysisUsage - We need dominance frontiers
     //
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
-      AU.addRequired<ETForest>();
+      AU.addRequired<DominatorTree>();
       AU.addRequired<DominanceFrontier>();
       AU.setPreservesCFG();
       // This is a cluster of orthogonal Transforms
@@ -61,7 +61,7 @@ bool PromotePass::runOnFunction(Function &F) {
 
   bool Changed  = false;
 
-  ETForest     &ET = getAnalysis<ETForest>();
+  DominatorTree &DT = getAnalysis<DominatorTree>();
   DominanceFrontier &DF = getAnalysis<DominanceFrontier>();
 
   while (1) {
@@ -76,7 +76,7 @@ bool PromotePass::runOnFunction(Function &F) {
 
     if (Allocas.empty()) break;
 
-    PromoteMemToReg(Allocas, ET, DF);
+    PromoteMemToReg(Allocas, DT, DF);
     NumPromoted += Allocas.size();
     Changed = true;
   }
-- 
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