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239fd44f7a
Just constant fold them so they can't cause any trouble. Fixes PR12627. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166286 91177308-0d34-0410-b5e6-96231b3b80d8
28 lines
806 B
LLVM
28 lines
806 B
LLVM
; RUN: opt -S -indvars < %s | FileCheck %s
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; PR12627
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define void @test1(i32 %x) nounwind uwtable ssp {
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entry:
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br label %for.body
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for.body: ; preds = %for.body, %entry
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%phi1 = phi i1 [ false, %entry ], [ %cmpa, %for.body ]
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%phi2 = phi i1 [ false, %entry ], [ %cmpb, %for.body ]
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%i.07 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
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tail call void @aux(i1 %phi1, i1 %phi2) nounwind
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%cmpa = icmp sgt i32 %i.07, 200
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%cmpb = icmp sgt i32 %i.07, 100
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%inc = add nsw i32 %i.07, 1
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%exitcond = icmp eq i32 %inc, 100
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body
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ret void
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; CHECK: @test1
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; CHECK-NOT: phi i1
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; CHECK: call void @aux(i1 false, i1 false)
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}
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declare void @aux(i1, i1)
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