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[Polly][ScopInliner] Indicate if the IR has changed.

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Return true to indicate that the IR has changed if the nested pass
manager has changed it.

Fixes the ScopInliner tests in the LLVM_ENABLE_EXPENSIVE_CHECKS=ON
configuration.

Thanks to Alexandre Ganea for reporting.
This commit is contained in:
Michael Kruse 2021-06-24 15:17:21 -05:00
parent f26adaa28d
commit e2d4b02404
1 changed files with 5 additions and 2 deletions
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7
polly/lib/Transform/ScopInliner.cpp
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@ -78,6 +78,7 @@ public:
const bool HasScopAsTopLevelRegion =
SD.ValidRegions.count(RI.getTopLevelRegion()) > 0;
bool Changed = false;
if (HasScopAsTopLevelRegion) {
LLVM_DEBUG(dbgs() << "Skipping " << F->getName()
<< " has scop as top level region");
@ -90,13 +91,15 @@ public:
MPM.addPass(AlwaysInlinerPass());
Module *M = F->getParent();
assert(M && "Function has illegal module");
MPM.run(*M, MAM);
PreservedAnalyses PA = MPM.run(*M, MAM);
if (!PA.areAllPreserved())
Changed = true;
} else {
LLVM_DEBUG(dbgs() << F->getName()
<< " does NOT have scop as top level region\n");
}
return false;
return Changed;
};
void getAnalysisUsage(AnalysisUsage &AU) const override {