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authorJush Lu <jush.msn@gmail.com>2011-03-09 19:39:16 +0800
committerJush Lu <jush.msn@gmail.com>2011-03-09 19:39:16 +0800
commitb5530586d68bd25831a6796b5d3199cb0769a35c (patch)
treefac4a03b53b6a64b0c00f433e4d8b3c9f2bc67cd /lib/Transforms/Utils/Mem2Reg.cpp
parentb4e17c5bf4361bbdeced39aa071150d7fa9c3c10 (diff)
parentd01f50f42ce60207ed6d27fb1778e456d83be06c (diff)
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Merge upstream r127116
Diffstat (limited to 'lib/Transforms/Utils/Mem2Reg.cpp')
-rw-r--r--lib/Transforms/Utils/Mem2Reg.cpp7
1 files changed, 1 insertions, 6 deletions
diff --git a/lib/Transforms/Utils/Mem2Reg.cpp b/lib/Transforms/Utils/Mem2Reg.cpp
index 19796aa..f4ca81a 100644
--- a/lib/Transforms/Utils/Mem2Reg.cpp
+++ b/lib/Transforms/Utils/Mem2Reg.cpp
@@ -36,11 +36,8 @@ namespace {
//
virtual bool runOnFunction(Function &F);
- // getAnalysisUsage - We need dominance frontiers
- //
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<DominatorTree>();
- AU.addRequired<DominanceFrontier>();
AU.setPreservesCFG();
// This is a cluster of orthogonal Transforms
AU.addPreserved<UnifyFunctionExitNodes>();
@@ -54,7 +51,6 @@ 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)
@@ -66,7 +62,6 @@ bool PromotePass::runOnFunction(Function &F) {
bool Changed = false;
DominatorTree &DT = getAnalysis<DominatorTree>();
- DominanceFrontier &DF = getAnalysis<DominanceFrontier>();
while (1) {
Allocas.clear();
@@ -80,7 +75,7 @@ bool PromotePass::runOnFunction(Function &F) {
if (Allocas.empty()) break;
- PromoteMemToReg(Allocas, DT, DF);
+ PromoteMemToReg(Allocas, DT);
NumPromoted += Allocas.size();
Changed = true;
}