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Differential D141029 Diff 488667 llvm/lib/Transforms/Scalar/LoopFlatten.cpp

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llvm/lib/Transforms/Scalar/LoopFlatten.cpp

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"flatten.trunciv"); "flatten.trunciv");
LLVM_DEBUG(dbgs() << "Replacing: "; V->dump(); dbgs() << "with: "; LLVM_DEBUG(dbgs() << "Replacing: "; V->dump(); dbgs() << "with: ";
OuterValue->dump()); OuterValue->dump());
V->replaceAllUsesWith(OuterValue); V->replaceAllUsesWith(OuterValue);
} }
// Tell LoopInfo, SCEV and the pass manager that the inner loop has been // Tell LoopInfo, SCEV and the pass manager that the inner loop has been
// deleted, and any information that have about the outer loop invalidated. // deleted, and invalidate any outer loop information.
SE->forgetLoop(FI.OuterLoop); SE->forgetLoop(FI.OuterLoop);
SE->forgetLoop(FI.InnerLoop);
SE->forgetBlockAndLoopDispositions(); SE->forgetBlockAndLoopDispositions();
if (U) if (U)
U->markLoopAsDeleted(*FI.InnerLoop, FI.InnerLoop->getName()); U->markLoopAsDeleted(*FI.InnerLoop, FI.InnerLoop->getName());
LI->erase(FI.InnerLoop); LI->erase(FI.InnerLoop);
// Increment statistic value. // Increment statistic value.
NumFlattened++; NumFlattened++;
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