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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13050 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-04-18 22:45:27 +00:00
parent 88d3ef2c74
commit 85661d0978
1 changed files with 8 additions and 0 deletions
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8
lib/Analysis/LoopInfo.cpp
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@ -56,6 +56,14 @@ unsigned Loop::getNumBackEdges() const {
return NumBackEdges;
}
/// isLoopInvariant - Return true if the specified value is loop invariant
///
bool Loop::isLoopInvariant(Value *V) const {
if (Instruction *I = dyn_cast<Instruction>(V))
return !contains(I->getParent());
return true; // All non-instructions are loop invariant
}
void Loop::print(std::ostream &OS, unsigned Depth) const {
OS << std::string(Depth*2, ' ') << "Loop Containing: ";