110 lines
3.5 KiB
LLVM
110 lines
3.5 KiB
LLVM
; 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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declare i8 @gen8()
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declare void @use8(i8)
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@a = global i8 17
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define i8 @t0_scalar(i8 %x, i8 %y) {
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; CHECK-LABEL: @t0_scalar(
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; CHECK-NEXT: [[TMP1:%.*]] = xor i8 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: [[R:%.*]] = xor i8 [[TMP1]], 42
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; CHECK-NEXT: ret i8 [[R]]
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;
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%i0 = xor i8 %x, 42
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%r = xor i8 %i0, %y
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ret i8 %r
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}
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define <2 x i8> @t1_splatvec(<2 x i8> %x, <2 x i8> %y) {
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; CHECK-LABEL: @t1_splatvec(
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; CHECK-NEXT: [[TMP1:%.*]] = xor <2 x i8> [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: [[R:%.*]] = xor <2 x i8> [[TMP1]], <i8 42, i8 42>
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; CHECK-NEXT: ret <2 x i8> [[R]]
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;
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%i0 = xor <2 x i8> %x, <i8 42, i8 42>
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%r = xor <2 x i8> %i0, %y
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ret <2 x i8> %r
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}
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define <2 x i8> @t2_vec(<2 x i8> %x, <2 x i8> %y) {
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; CHECK-LABEL: @t2_vec(
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; CHECK-NEXT: [[TMP1:%.*]] = xor <2 x i8> [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: [[R:%.*]] = xor <2 x i8> [[TMP1]], <i8 42, i8 24>
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; CHECK-NEXT: ret <2 x i8> [[R]]
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;
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%i0 = xor <2 x i8> %x, <i8 42, i8 24>
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%r = xor <2 x i8> %i0, %y
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ret <2 x i8> %r
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}
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define <2 x i8> @t3_vec_undef(<2 x i8> %x, <2 x i8> %y) {
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; CHECK-LABEL: @t3_vec_undef(
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; CHECK-NEXT: [[TMP1:%.*]] = xor <2 x i8> [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: [[R:%.*]] = xor <2 x i8> [[TMP1]], <i8 42, i8 undef>
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; CHECK-NEXT: ret <2 x i8> [[R]]
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;
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%i0 = xor <2 x i8> %x, <i8 42, i8 undef>
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%r = xor <2 x i8> %i0, %y
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ret <2 x i8> %r
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}
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define i8 @t4_extrause(i8 %x, i8 %y) {
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; CHECK-LABEL: @t4_extrause(
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; CHECK-NEXT: [[I0:%.*]] = xor i8 [[X:%.*]], 42
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; CHECK-NEXT: call void @use8(i8 [[I0]])
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; CHECK-NEXT: [[R:%.*]] = xor i8 [[I0]], [[Y:%.*]]
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; CHECK-NEXT: ret i8 [[R]]
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;
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%i0 = xor i8 %x, 42
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call void @use8(i8 %i0)
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%r = xor i8 %i0, %y
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ret i8 %r
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}
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define i8 @t5_commutativity(i8 %x) {
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; CHECK-LABEL: @t5_commutativity(
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; CHECK-NEXT: [[Y:%.*]] = call i8 @gen8()
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; CHECK-NEXT: [[TMP1:%.*]] = xor i8 [[Y]], [[X:%.*]]
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; CHECK-NEXT: [[R:%.*]] = xor i8 [[TMP1]], 42
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; CHECK-NEXT: ret i8 [[R]]
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;
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%i0 = xor i8 %x, 42
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%y = call i8 @gen8()
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%r = xor i8 %y, %i0
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ret i8 %r
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}
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@global_constant = internal global i32 0, align 4
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@global_constant2 = internal global i32 0, align 4
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define i8 @constantexpr(i8 %or) local_unnamed_addr #0 {
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; CHECK-LABEL: @constantexpr(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[R:%.*]] = xor i8 [[OR:%.*]], xor (i8 ptrtoint (i32* @global_constant to i8), i8 ptrtoint (i32* @global_constant2 to i8))
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; CHECK-NEXT: ret i8 [[R]]
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;
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entry:
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%r = xor i8 %or, xor (i8 xor (i8 ptrtoint (i32* @global_constant to i8), i8 -1), i8 xor (i8 ptrtoint (i32* @global_constant2 to i8), i8 -1))
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ret i8 %r
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}
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@global_constant3 = external global [6 x [1 x i64]], align 1
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@global_constant4 = external global i64, align 1
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@global_constant5 = external global i16*, align 1
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define i16 @constantexpr2() {
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; CHECK-LABEL: @constantexpr2(
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; CHECK-NEXT: [[I2:%.*]] = load i16*, i16** @global_constant5, align 1
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; CHECK-NEXT: [[I3:%.*]] = load i16, i16* [[I2]], align 1
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; CHECK-NEXT: [[I5:%.*]] = xor i16 [[I3]], xor (i16 zext (i1 icmp ne (i64* getelementptr inbounds ([6 x [1 x i64]], [6 x [1 x i64]]* @global_constant3, i64 0, i64 5, i64 0), i64* @global_constant4) to i16), i16 -1)
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; CHECK-NEXT: ret i16 [[I5]]
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;
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%i0 = icmp ne i64* getelementptr inbounds ([6 x [1 x i64]], [6 x [1 x i64]]* @global_constant3, i16 0, i16 5, i16 0), @global_constant4
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%i1 = zext i1 %i0 to i16
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%i2 = load i16*, i16** @global_constant5, align 1
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%i3 = load i16, i16* %i2, align 1
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%i4 = xor i16 %i3, %i1
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%i5 = xor i16 %i4, -1
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ret i16 %i5
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}
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