forked from OSchip/llvm-project
24 lines
905 B
LLVM
24 lines
905 B
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -instcombine %s | FileCheck %s
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@a = external global i8
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@b = external global i32
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define void @tinkywinky() {
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; CHECK-LABEL: @tinkywinky(
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; CHECK-NEXT: [[PATATINO:%.*]] = load i8, i8* @a, align 1
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; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i8 [[PATATINO]], 0
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; CHECK-NEXT: [[TMP1:%.*]] = zext i1 [[TOBOOL]] to i32
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; CHECK-NEXT: [[OR1:%.*]] = or i32 [[TMP1]], or (i32 zext (i1 icmp ne (i32* bitcast (i8* @a to i32*), i32* @b) to i32), i32 2)
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; CHECK-NEXT: store i32 [[OR1]], i32* @b, align 4
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; CHECK-NEXT: ret void
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;
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%patatino = load i8, i8* @a
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%tobool = icmp ne i8 %patatino, 0
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%lnot = xor i1 %tobool, true
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%lnot.ext = zext i1 %lnot to i32
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%or = or i32 xor (i32 zext (i1 icmp ne (i32* bitcast (i8* @a to i32*), i32* @b) to i32), i32 2), %lnot.ext
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store i32 %or, i32* @b, align 4
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ret void
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}
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