73 lines
2.6 KiB
LLVM
73 lines
2.6 KiB
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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define <4 x i32> @insert_known_idx(<4 x i32> %x) {
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; CHECK-LABEL: @insert_known_idx(
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; CHECK-NEXT: [[V1:%.*]] = and <4 x i32> [[X:%.*]], <i32 poison, i32 7, i32 7, i32 7>
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; CHECK-NEXT: [[V2:%.*]] = insertelement <4 x i32> [[V1]], i32 6, i64 0
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; CHECK-NEXT: ret <4 x i32> [[V2]]
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;
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%v1 = and <4 x i32> %x, <i32 7, i32 7, i32 7, i32 7>
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%v2 = insertelement <4 x i32> %v1, i32 6, i32 0
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%v3 = and <4 x i32> %v2, <i32 7, i32 7, i32 7, i32 7>
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ret <4 x i32> %v3
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}
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define <4 x i32> @insert_unknown_idx(<4 x i32> %x, i32 %idx) {
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; CHECK-LABEL: @insert_unknown_idx(
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; CHECK-NEXT: [[V1:%.*]] = and <4 x i32> [[X:%.*]], splat (i32 7)
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; CHECK-NEXT: [[V2:%.*]] = insertelement <4 x i32> [[V1]], i32 6, i32 [[IDX:%.*]]
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; CHECK-NEXT: ret <4 x i32> [[V2]]
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;
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%v1 = and <4 x i32> %x, <i32 7, i32 7, i32 7, i32 7>
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%v2 = insertelement <4 x i32> %v1, i32 6, i32 %idx
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%v3 = and <4 x i32> %v2, <i32 7, i32 7, i32 7, i32 7>
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ret <4 x i32> %v3
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}
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define <2 x i8> @insert_known_any_idx(<2 x i8> %xx, i8 %yy, i32 %idx) {
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; CHECK-LABEL: @insert_known_any_idx(
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; CHECK-NEXT: ret <2 x i8> splat (i8 16)
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;
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%x = or <2 x i8> %xx, <i8 16, i8 16>
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%y = or i8 %yy, 16
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%ins = insertelement <2 x i8> %x, i8 %y, i32 %idx
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%r = and <2 x i8> %ins, <i8 16, i8 16>
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ret <2 x i8> %r
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}
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define <2 x i8> @insert_known_any_idx_fail1(<2 x i8> %xx, i8 %yy, i32 %idx) {
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; CHECK-LABEL: @insert_known_any_idx_fail1(
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; CHECK-NEXT: [[X:%.*]] = or <2 x i8> [[XX:%.*]], <i8 17, i8 33>
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; CHECK-NEXT: [[Y:%.*]] = or i8 [[YY:%.*]], 16
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; CHECK-NEXT: [[INS:%.*]] = insertelement <2 x i8> [[X]], i8 [[Y]], i32 [[IDX:%.*]]
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; CHECK-NEXT: [[R:%.*]] = and <2 x i8> [[INS]], splat (i8 16)
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; CHECK-NEXT: ret <2 x i8> [[R]]
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;
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%x = or <2 x i8> %xx, <i8 17, i8 33>
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%y = or i8 %yy, 16
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%ins = insertelement <2 x i8> %x, i8 %y, i32 %idx
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%r = and <2 x i8> %ins, <i8 16, i8 16>
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ret <2 x i8> %r
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}
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define <2 x i8> @insert_known_any_idx_fail2(<2 x i8> %xx, i8 %yy, i32 %idx) {
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; CHECK-LABEL: @insert_known_any_idx_fail2(
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; CHECK-NEXT: [[X:%.*]] = or <2 x i8> [[XX:%.*]], <i8 17, i8 31>
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; CHECK-NEXT: [[Y:%.*]] = or i8 [[YY:%.*]], 15
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; CHECK-NEXT: [[INS:%.*]] = insertelement <2 x i8> [[X]], i8 [[Y]], i32 [[IDX:%.*]]
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; CHECK-NEXT: [[R:%.*]] = and <2 x i8> [[INS]], splat (i8 16)
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; CHECK-NEXT: ret <2 x i8> [[R]]
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;
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%x = or <2 x i8> %xx, <i8 17, i8 31>
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%y = or i8 %yy, 15
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%ins = insertelement <2 x i8> %x, i8 %y, i32 %idx
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%r = and <2 x i8> %ins, <i8 16, i8 16>
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ret <2 x i8> %r
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}
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