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54 lines
1.5 KiB
54 lines
1.5 KiB
4 months ago
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; RUN: llc < %s
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; llc built with address sanitizer crashes because of a dangling node pointer
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; oss-fuzz - DAGCombiner::useDivRem (5011)
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define void @f() {
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BB:
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%A19 = alloca i1**
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%C18 = icmp ugt i1 true, false
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%L13 = load i8, i8* undef
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%L10 = load i8, i8* undef
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%B12 = and i8 %L13, %L10
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%B35 = and i8 %B12, %L10
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%L2 = load i66*, i66** undef
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%L23 = load i66, i66* %L2
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%B38 = urem i8 %B35, %B12
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%B9 = ashr i66 %L23, %L23
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%C11 = icmp sge i8 %B38, %B35
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%A4 = alloca i66
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%G4 = getelementptr i66, i66* %A4, i1 true
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%L6 = load i66, i66* %G4
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%B21 = urem i1 %C11, true
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%B1 = mul i66 %B9, %L23
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%B5 = udiv i8 %L10, %L13
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%B22 = udiv i66 %B9, %B1
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%C29 = icmp ult i32 -1, 0
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store i1* undef, i1** undef
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store i1 %C29, i1* undef
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br label %BB1
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BB1: ; preds = %BB
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%G8 = getelementptr i66, i66* undef, i16 32767
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%G43 = getelementptr i66, i66* undef, i66 -1
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%L20 = load i1, i1* undef
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%B7 = and i66 %L6, %L6
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%B30 = sdiv i66 -36893488147419103232, -1
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%B16 = urem i66 %B22, %L6
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%G47 = getelementptr i66, i66* %G8, i66 %B16
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store i66 %B7, i66* %G47
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store i8 %B5, i8* undef
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%C5 = icmp ult i1 %C18, %L20
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store i66 %B30, i66* %G47
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store i1** undef, i1*** %A19
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store i1 %C5, i1* undef
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store i1 %C11, i1* undef
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store i66* %G43, i66** undef
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store i1 %B21, i1* undef
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%G59 = getelementptr i1, i1* undef, i1 false
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%G61 = getelementptr i66, i66* %G8, i1 %L20
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store i1 %L20, i1* %G59
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store i66* %G61, i66** undef
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ret void
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}
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