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Do not use ETForest as well as DomiantorTree. DominatorTree is sufficient.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37501 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2007-06-07 22:17:16 +00:00
parent 326821ef12
commit 4b90e3a276
4 changed files with 30 additions and 23 deletions
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8
lib/Transforms/IPO/LoopExtractor.cpp
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@@ -45,7 +45,6 @@ namespace {
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequiredID(BreakCriticalEdgesID);
AU.addRequiredID(LoopSimplifyID);
AU.addRequired<ETForest>();
AU.addRequired<DominatorTree>();
AU.addRequired<LoopInfo>();
}
@@ -78,7 +77,6 @@ bool LoopExtractor::runOnFunction(Function &F) {
if (LI.begin() == LI.end())
return false;
ETForest &EF = getAnalysis<ETForest>();
DominatorTree &DT = getAnalysis<DominatorTree>();
// If there is more than one top-level loop in this function, extract all of
@@ -88,7 +86,7 @@ bool LoopExtractor::runOnFunction(Function &F) {
for (LoopInfo::iterator i = LI.begin(), e = LI.end(); i != e; ++i) {
if (NumLoops == 0) return Changed;
--NumLoops;
Changed |= ExtractLoop(EF, DT, *i) != 0;
Changed |= ExtractLoop(DT, *i) != 0;
++NumExtracted;
}
} else {
@@ -118,7 +116,7 @@ bool LoopExtractor::runOnFunction(Function &F) {
if (ShouldExtractLoop) {
if (NumLoops == 0) return Changed;
--NumLoops;
Changed |= ExtractLoop(EF, DT, TLL) != 0;
Changed |= ExtractLoop(DT, TLL) != 0;
++NumExtracted;
} else {
// Okay, this function is a minimal container around the specified loop.
@@ -128,7 +126,7 @@ bool LoopExtractor::runOnFunction(Function &F) {
for (Loop::iterator i = TLL->begin(), e = TLL->end(); i != e; ++i) {
if (NumLoops == 0) return Changed;
--NumLoops;
Changed |= ExtractLoop(EF, DT, *i) != 0;
Changed |= ExtractLoop(DT, *i) != 0;
++NumExtracted;
}
}