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Final step of instcombine debuginfo; switch a couple more places over to InsertNewInstWith, and use setDebugLoc for the cases which can't be easily handled by the automated mechanisms.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132167 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman
2011-05-27 00:19:40 +00:00
parent b29c1d731a
commit a311c34d2a
5 changed files with 34 additions and 16 deletions
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5
lib/Transforms/InstCombine/InstructionCombining.cpp
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@ -241,7 +241,7 @@ bool InstCombiner::SimplifyAssociativeOrCommutative(BinaryOperator &I) {
Constant *Folded = ConstantExpr::get(Opcode, C1, C2);
Instruction *New = BinaryOperator::Create(Opcode, A, B);
InsertNewInstBefore(New, I);
InsertNewInstWith(New, I);
New->takeName(Op1);
I.setOperand(0, New);
I.setOperand(1, Folded);
@ -1591,7 +1591,8 @@ bool InstCombiner::DoOneIteration(Function &F, unsigned Iteration) {
DEBUG(errs() << "IC: Old = " << *I << '\n'
<< " New = " << *Result << '\n');
Result->setDebugLoc(I->getDebugLoc());
if (!I->getDebugLoc().isUnknown())
Result->setDebugLoc(I->getDebugLoc());
// Everything uses the new instruction now.
I->replaceAllUsesWith(Result);