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Make ScalarEvolution::print print getSCEVAtScope values for

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expressions, when interesting.

llvm-svn: 73776
This commit is contained in:
Dan Gohman 2009-06-19 17:49:54 +00:00
parent 12e12ed0d4
commit c71421c97e
1 changed files with 10 additions and 2 deletions
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12
lib/Analysis/ScalarEvolution.cpp
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@ -4048,9 +4048,17 @@ void ScalarEvolution::print(raw_ostream &OS, const Module* ) const {
SCEVHandle SV = SE.getSCEV(&*I);
SV->print(OS);
if (const Loop *L = LI->getLoopFor((*I).getParent())) {
const Loop *L = LI->getLoopFor((*I).getParent());
SCEVHandle AtUse = SE.getSCEVAtScope(SV, L);
if (AtUse != SV) {
OS << " --> ";
AtUse->print(OS);
}
if (L) {
OS << "\t\t" "Exits: ";
SCEVHandle ExitValue = SE.getSCEVAtScope(&*I, L->getParentLoop());
SCEVHandle ExitValue = SE.getSCEVAtScope(SV, L->getParentLoop());
if (!ExitValue->isLoopInvariant(L)) {
OS << "<<Unknown>>";
} else {