27 lines
990 B
LLVM
27 lines
990 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -passes=instcombine %s | FileCheck %s
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@a = common global i8 0, align 1
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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, ptr @a, align 1
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; CHECK-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i8 [[PATATINO]], 0
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; CHECK-NEXT: [[LNOT_EXT:%.*]] = zext i1 [[TOBOOL_NOT]] to i32
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; CHECK-NEXT: [[ZEXT:%.*]] = zext i1 icmp ne (ptr @a, ptr @b) to i32
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; CHECK-NEXT: [[XOR1:%.*]] = or i32 [[ZEXT]], [[LNOT_EXT]]
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; CHECK-NEXT: [[OR:%.*]] = or disjoint i32 [[XOR1]], 2
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; CHECK-NEXT: store i32 [[OR]], ptr @b, align 4
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; CHECK-NEXT: ret void
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;
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%patatino = load i8, ptr @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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%zext = zext i1 icmp ne (ptr @a, ptr @b) to i32
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%xor = xor i32 %zext, 2
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%or = or i32 %xor, %lnot.ext
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store i32 %or, ptr @b, align 4
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ret void
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}
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