diff options
| -rw-r--r-- | lib/Transforms/Scalar/Reassociate.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/Reassociate.cpp b/lib/Transforms/Scalar/Reassociate.cpp index fc9a5034e6..c1dfe154ae 100644 --- a/lib/Transforms/Scalar/Reassociate.cpp +++ b/lib/Transforms/Scalar/Reassociate.cpp @@ -217,6 +217,7 @@ static Instruction *LowerNegateToMultiply(Instruction *Neg, ValueRankMap.erase(Neg); Res->takeName(Neg); Neg->replaceAllUsesWith(Res); + Res->setDebugLoc(Neg->getDebugLoc()); Neg->eraseFromParent(); return Res; } @@ -506,6 +507,7 @@ static Instruction *BreakUpSubtract(Instruction *Sub, // Everyone now refers to the add instruction. ValueRankMap.erase(Sub); Sub->replaceAllUsesWith(New); + New->setDebugLoc(Sub->getDebugLoc()); Sub->eraseFromParent(); DEBUG(dbgs() << "Negated: " << *New << '\n'); @@ -531,6 +533,7 @@ static Instruction *ConvertShiftToMul(Instruction *Shl, ValueRankMap.erase(Shl); Mul->takeName(Shl); Shl->replaceAllUsesWith(Mul); + Mul->setDebugLoc(Shl->getDebugLoc()); Shl->eraseFromParent(); return Mul; } @@ -1052,6 +1055,8 @@ Value *Reassociate::ReassociateExpression(BinaryOperator *I) { // eliminate it. DEBUG(dbgs() << "Reassoc to scalar: " << *V << '\n'); I->replaceAllUsesWith(V); + if (Instruction *VI = dyn_cast<Instruction>(V)) + VI->setDebugLoc(I->getDebugLoc()); RemoveDeadBinaryOp(I); ++NumAnnihil; return V; @@ -1075,6 +1080,8 @@ Value *Reassociate::ReassociateExpression(BinaryOperator *I) { // This expression tree simplified to something that isn't a tree, // eliminate it. I->replaceAllUsesWith(Ops[0].Op); + if (Instruction *OI = dyn_cast<Instruction>(Ops[0].Op)) + OI->setDebugLoc(I->getDebugLoc()); RemoveDeadBinaryOp(I); return Ops[0].Op; } |