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authorCameron Zwarich <zwarich@apple.com>2011-01-17 07:26:51 +0000
committerCameron Zwarich <zwarich@apple.com>2011-01-17 07:26:51 +0000
commitb1086a9c6d6d5ee3070a68076f38eec841cefd58 (patch)
treeb9674ae45492536e692392c897e7bdea926532c4 /lib/Transforms/Utils/Mem2Reg.cpp
parent119266c4ae2803e11229034b74813242b5978566 (diff)
Roll out r123609 due to failures on the llvm-x86_64-linux-checks bot.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123618 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Utils/Mem2Reg.cpp')
-rw-r--r--lib/Transforms/Utils/Mem2Reg.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/Transforms/Utils/Mem2Reg.cpp b/lib/Transforms/Utils/Mem2Reg.cpp
index ea2f8fca5f..2b1364c81e 100644
--- a/lib/Transforms/Utils/Mem2Reg.cpp
+++ b/lib/Transforms/Utils/Mem2Reg.cpp
@@ -40,6 +40,7 @@ namespace {
//
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<DominatorTree>();
+ AU.addRequired<DominanceFrontier>();
AU.setPreservesCFG();
// This is a cluster of orthogonal Transforms
AU.addPreserved<UnifyFunctionExitNodes>();
@@ -53,6 +54,7 @@ char PromotePass::ID = 0;
INITIALIZE_PASS_BEGIN(PromotePass, "mem2reg", "Promote Memory to Register",
false, false)
INITIALIZE_PASS_DEPENDENCY(DominatorTree)
+INITIALIZE_PASS_DEPENDENCY(DominanceFrontier)
INITIALIZE_PASS_END(PromotePass, "mem2reg", "Promote Memory to Register",
false, false)
@@ -64,6 +66,7 @@ bool PromotePass::runOnFunction(Function &F) {
bool Changed = false;
DominatorTree &DT = getAnalysis<DominatorTree>();
+ DominanceFrontier &DF = getAnalysis<DominanceFrontier>();
while (1) {
Allocas.clear();
@@ -77,7 +80,7 @@ bool PromotePass::runOnFunction(Function &F) {
if (Allocas.empty()) break;
- PromoteMemToReg(Allocas, DT);
+ PromoteMemToReg(Allocas, DT, DF);
NumPromoted += Allocas.size();
Changed = true;
}