parent
093e4c578d
commit
27b4f222cf
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@ -1037,9 +1037,11 @@ void IndVarSimplify::HandleFloatingPointIV(Loop *L, PHINode *PH,
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Incr->getName()+".int", Incr);
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NewPHI->addIncoming(NewAdd, PH->getIncomingBlock(BackEdge));
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// The back edge is edge 1 of newPHI, whatever it may have been in the
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// original PHI.
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ConstantInt *NewEV = ConstantInt::get(Type::Int32Ty, intEV);
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Value *LHS = (EVIndex == 1 ? NewPHI->getIncomingValue(BackEdge) : NewEV);
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Value *RHS = (EVIndex == 1 ? NewEV : NewPHI->getIncomingValue(BackEdge));
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Value *LHS = (EVIndex == 1 ? NewPHI->getIncomingValue(1) : NewEV);
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Value *RHS = (EVIndex == 1 ? NewEV : NewPHI->getIncomingValue(1));
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ICmpInst *NewEC = new ICmpInst(NewPred, LHS, RHS, EC->getNameStart(),
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EC->getParent()->getTerminator());
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@ -0,0 +1,18 @@
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; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep icmp | grep next
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; PR4086
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declare void @foo()
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define void @test() {
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entry:
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br label %loop_body
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loop_body:
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%i = phi float [ %nexti, %loop_body ], [ 0.0, %entry ]
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tail call void @foo()
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%nexti = add float %i, 1.0
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%less = fcmp olt float %nexti, 2.0
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br i1 %less, label %loop_body, label %done
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done:
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ret void
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}
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