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b13b002480
PR24605 is caused due to an incorrect insert point in instcombine's IR builder. When simplifying %t = add X Y ... %m = icmp ... %t the replacement for %t should be placed before %t, not before %m, as there could be a use of %t between %t and %m. llvm-svn: 246315
16 lines
356 B
LLVM
16 lines
356 B
LLVM
; RUN: opt -S -instcombine < %s | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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define i1 @f(i8* %a, i8 %b) {
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; CHECK-LABEL: @f(
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entry:
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%or = or i8 %b, -117
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%sub = add i8 %or, -1
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store i8 %sub, i8* %a, align 1
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%cmp = icmp ugt i8 %or, %sub
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ret i1 %cmp
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; CHECK: ret i1 true
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}
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