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Add a DominatorTree argument to isLCSSA so that it doesn't have to

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compute a set of reachable blocks for itself each time it is called, which
is fairly frequently.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98179 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2010-03-10 19:38:49 +00:00
parent 0891d752a6
commit bbf81d8811
7 changed files with 8 additions and 22 deletions
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4
lib/Transforms/Utils/LCSSA.cpp
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@ -88,7 +88,7 @@ namespace {
/// verifyAnalysis() - Verify loop nest.
virtual void verifyAnalysis() const {
// Check the special guarantees that LCSSA makes.
assert(L->isLCSSAForm() && "LCSSA form not preserved!");
assert(L->isLCSSAForm(*DT) && "LCSSA form not preserved!");
}
/// inLoop - returns true if the given block is within the current loop
@ -164,7 +164,7 @@ bool LCSSA::runOnLoop(Loop *TheLoop, LPPassManager &LPM) {
}
}
assert(L->isLCSSAForm());
assert(L->isLCSSAForm(*DT));
PredCache.clear();
return MadeChange;