derek.holloway
7502bf64a4
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306 lines
21 KiB
LLVM
306 lines
21 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
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; RUN: opt < %s -passes=vector-combine -S | FileCheck %s
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define i16 @test_reduce_v8i16(<8 x i16> %a0) {
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; CHECK-LABEL: define i16 @test_reduce_v8i16(
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; CHECK-SAME: <8 x i16> [[A0:%.*]]) {
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; CHECK-NEXT: [[TMP1:%.*]] = call i16 @llvm.vector.reduce.umin.v8i16(<8 x i16> [[A0]])
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; CHECK-NEXT: ret i16 [[TMP1]]
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;
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%1 = shufflevector <8 x i16> %a0, <8 x i16> poison, <8 x i32> <i32 4, i32 5, i32 6, i32 7, i32 poison, i32 poison, i32 poison, i32 poison>
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%2 = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> %a0, <8 x i16> %1)
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%3 = shufflevector <8 x i16> %2, <8 x i16> poison, <8 x i32> <i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
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%4 = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> %2, <8 x i16> %3)
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%5 = shufflevector <8 x i16> %4, <8 x i16> poison, <8 x i32> <i32 1, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
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%6 = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> %4, <8 x i16> %5)
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%7 = extractelement <8 x i16> %6, i64 0
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ret i16 %7
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}
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define i16 @test_reduce_v7i16_or(<7 x i16> %a0) {
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; CHECK-LABEL: define i16 @test_reduce_v7i16_or(
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; CHECK-SAME: <7 x i16> [[A0:%.*]]) {
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; CHECK-NEXT: [[TMP1:%.*]] = call i16 @llvm.vector.reduce.or.v7i16(<7 x i16> [[A0]])
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; CHECK-NEXT: ret i16 [[TMP1]]
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;
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%1 = shufflevector <7 x i16> %a0, <7 x i16> poison, <7 x i32> <i32 3, i32 4, i32 5, i32 6, i32 poison, i32 poison, i32 poison>
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%2 = or <7 x i16> %a0, %1
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%3 = shufflevector <7 x i16> %2, <7 x i16> poison, <7 x i32> <i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
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%4 = or <7 x i16> %2, %3
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%5 = shufflevector <7 x i16> %4, <7 x i16> poison, <7 x i32> <i32 1, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
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%6 = or <7 x i16> %4, %5
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%7 = extractelement <7 x i16> %6, i64 0
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ret i16 %7
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}
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define i16 @test_reduce_v3i16_and(<3 x i16> %a0) {
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; CHECK-LABEL: define i16 @test_reduce_v3i16_and(
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; CHECK-SAME: <3 x i16> [[A0:%.*]]) {
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; CHECK-NEXT: [[TMP1:%.*]] = call i16 @llvm.vector.reduce.and.v3i16(<3 x i16> [[A0]])
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; CHECK-NEXT: ret i16 [[TMP1]]
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;
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%1 = shufflevector <3 x i16> %a0, <3 x i16> poison, <3 x i32> <i32 1, i32 2, i32 poison>
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%2 = and <3 x i16> %a0, %1
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%3 = shufflevector <3 x i16> %2, <3 x i16> poison, <3 x i32> <i32 1, i32 poison, i32 poison>
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%4 = and <3 x i16> %2, %3
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%5 = extractelement <3 x i16> %4, i64 0
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ret i16 %5
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}
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define i16 @test_no_reduce_v6i16_xor(<6 x i16> %a0) {
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; CHECK-LABEL: define i16 @test_no_reduce_v6i16_xor(
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; CHECK-SAME: <6 x i16> [[A0:%.*]]) {
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; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <6 x i16> [[A0]], <6 x i16> poison, <6 x i32> <i32 3, i32 4, i32 5, i32 poison, i32 poison, i32 poison>
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; CHECK-NEXT: [[TMP2:%.*]] = xor <6 x i16> [[A0]], [[TMP1]]
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; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <6 x i16> [[TMP2]], <6 x i16> poison, <6 x i32> <i32 1, i32 2, i32 poison, i32 poison, i32 poison, i32 poison>
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; CHECK-NEXT: [[TMP4:%.*]] = xor <6 x i16> [[TMP2]], [[TMP3]]
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; CHECK-NEXT: [[TMP5:%.*]] = shufflevector <6 x i16> [[TMP4]], <6 x i16> poison, <6 x i32> <i32 1, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
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; CHECK-NEXT: [[TMP6:%.*]] = xor <6 x i16> [[TMP4]], [[TMP5]]
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; CHECK-NEXT: [[TMP7:%.*]] = extractelement <6 x i16> [[TMP6]], i64 0
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; CHECK-NEXT: ret i16 [[TMP7]]
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;
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%1 = shufflevector <6 x i16> %a0, <6 x i16> poison, <6 x i32> <i32 3, i32 4, i32 5, i32 poison, i32 poison, i32 poison>
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%2 = xor <6 x i16> %a0, %1
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%3 = shufflevector <6 x i16> %2, <6 x i16> poison, <6 x i32> <i32 1, i32 2, i32 poison, i32 poison, i32 poison, i32 poison>
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%4 = xor <6 x i16> %2, %3
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%5 = shufflevector <6 x i16> %4, <6 x i16> poison, <6 x i32> <i32 1, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
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%6 = xor <6 x i16> %4, %5
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%7 = extractelement <6 x i16> %6, i64 0
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ret i16 %7
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}
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; Non-idempotent op (add) on a non-power-of-2 vector: can't fold into reduction.
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define i32 @test_no_reduce_v3i32_add(<3 x i32> %a0) {
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; CHECK-LABEL: define i32 @test_no_reduce_v3i32_add(
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; CHECK-SAME: <3 x i32> [[A0:%.*]]) {
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; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <3 x i32> [[A0]], <3 x i32> poison, <3 x i32> <i32 1, i32 2, i32 poison>
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; CHECK-NEXT: [[TMP2:%.*]] = add <3 x i32> [[A0]], [[TMP1]]
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; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <3 x i32> [[TMP2]], <3 x i32> poison, <3 x i32> <i32 1, i32 poison, i32 poison>
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; CHECK-NEXT: [[TMP4:%.*]] = add <3 x i32> [[TMP2]], [[TMP3]]
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; CHECK-NEXT: [[TMP5:%.*]] = extractelement <3 x i32> [[TMP4]], i64 0
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; CHECK-NEXT: ret i32 [[TMP5]]
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;
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%1 = shufflevector <3 x i32> %a0, <3 x i32> poison, <3 x i32> <i32 1, i32 2, i32 poison>
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%2 = add <3 x i32> %a0, %1
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%3 = shufflevector <3 x i32> %2, <3 x i32> poison, <3 x i32> <i32 1, i32 poison, i32 poison>
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%4 = add <3 x i32> %2, %3
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%5 = extractelement <3 x i32> %4, i64 0
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ret i32 %5
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}
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; Idempotent op (smax) on a non-power-of-2 vector: lane duplication is harmless
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define i16 @test_reduce_v3i16_smax(<3 x i16> %a0) {
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; CHECK-LABEL: define i16 @test_reduce_v3i16_smax(
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; CHECK-SAME: <3 x i16> [[A0:%.*]]) {
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; CHECK-NEXT: [[TMP1:%.*]] = call i16 @llvm.vector.reduce.smax.v3i16(<3 x i16> [[A0]])
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; CHECK-NEXT: ret i16 [[TMP1]]
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;
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%1 = shufflevector <3 x i16> %a0, <3 x i16> poison, <3 x i32> <i32 1, i32 2, i32 poison>
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%2 = tail call <3 x i16> @llvm.smax.v3i16(<3 x i16> %a0, <3 x i16> %1)
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%3 = shufflevector <3 x i16> %2, <3 x i16> poison, <3 x i32> <i32 1, i32 poison, i32 poison>
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%4 = tail call <3 x i16> @llvm.smax.v3i16(<3 x i16> %2, <3 x i16> %3)
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%5 = extractelement <3 x i16> %4, i64 0
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ret i16 %5
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}
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define i16 @test_reduce_v8i16_2(<8 x i16> %a0) {
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; CHECK-LABEL: define i16 @test_reduce_v8i16_2(
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; CHECK-SAME: <8 x i16> [[A0:%.*]]) {
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; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <8 x i16> [[A0]], <8 x i16> poison, <8 x i32> <i32 4, i32 5, i32 6, i32 7, i32 poison, i32 poison, i32 poison, i32 poison>
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; CHECK-NEXT: [[TMP2:%.*]] = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> [[A0]], <8 x i16> [[TMP1]])
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; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <8 x i16> [[TMP2]], <8 x i16> poison, <8 x i32> <i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
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; CHECK-NEXT: [[TMP4:%.*]] = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> [[TMP2]], <8 x i16> [[TMP3]])
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; CHECK-NEXT: [[TMP5:%.*]] = shufflevector <8 x i16> [[TMP4]], <8 x i16> poison, <8 x i32> <i32 1, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
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; CHECK-NEXT: [[TMP6:%.*]] = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> [[TMP4]], <8 x i16> [[TMP5]])
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; CHECK-NEXT: [[TMP13:%.*]] = call i16 @llvm.vector.reduce.umin.v8i16(<8 x i16> [[A0]])
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; CHECK-NEXT: [[TMP8:%.*]] = shufflevector <8 x i16> [[TMP6]], <8 x i16> poison, <8 x i32> <i32 4, i32 5, i32 6, i32 7, i32 poison, i32 poison, i32 poison, i32 poison>
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; CHECK-NEXT: [[TMP9:%.*]] = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> [[A0]], <8 x i16> [[TMP8]])
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; CHECK-NEXT: [[TMP10:%.*]] = shufflevector <8 x i16> [[TMP9]], <8 x i16> poison, <8 x i32> <i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
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; CHECK-NEXT: [[TMP11:%.*]] = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> [[TMP9]], <8 x i16> [[TMP10]])
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; CHECK-NEXT: [[TMP12:%.*]] = shufflevector <8 x i16> [[TMP11]], <8 x i16> poison, <8 x i32> <i32 1, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
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; CHECK-NEXT: [[TMP16:%.*]] = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> [[TMP11]], <8 x i16> [[TMP12]])
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; CHECK-NEXT: [[TMP14:%.*]] = extractelement <8 x i16> [[TMP16]], i64 0
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; CHECK-NEXT: [[TMP15:%.*]] = tail call i16 @llvm.umin.i16(i16 [[TMP13]], i16 [[TMP14]])
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; CHECK-NEXT: ret i16 [[TMP15]]
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;
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%1 = shufflevector <8 x i16> %a0, <8 x i16> poison, <8 x i32> <i32 4, i32 5, i32 6, i32 7, i32 poison, i32 poison, i32 poison, i32 poison>
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%2 = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> %a0, <8 x i16> %1)
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%3 = shufflevector <8 x i16> %2, <8 x i16> poison, <8 x i32> <i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
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%4 = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> %2, <8 x i16> %3)
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%5 = shufflevector <8 x i16> %4, <8 x i16> poison, <8 x i32> <i32 1, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
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%6 = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> %4, <8 x i16> %5)
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%7 = extractelement <8 x i16> %6, i64 0
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%8 = shufflevector <8 x i16> %6, <8 x i16> poison, <8 x i32> <i32 4, i32 5, i32 6, i32 7, i32 poison, i32 poison, i32 poison, i32 poison>
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%9 = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> %a0, <8 x i16> %8)
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%10 = shufflevector <8 x i16> %9, <8 x i16> poison, <8 x i32> <i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
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%11 = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> %9, <8 x i16> %10)
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%12 = shufflevector <8 x i16> %11, <8 x i16> poison, <8 x i32> <i32 1, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
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%13 = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> %11, <8 x i16> %12)
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%14 = extractelement <8 x i16> %13, i64 0
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%15 = tail call i16 @llvm.umin.i16(i16 %7, i16 %14)
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ret i16 %15
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}
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define i16 @test_reduce_v8i16_neg1(<8 x i16> %a0) {
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; CHECK-LABEL: define i16 @test_reduce_v8i16_neg1(
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; CHECK-SAME: <8 x i16> [[A0:%.*]]) {
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; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <8 x i16> [[A0]], <8 x i16> poison, <8 x i32> <i32 4, i32 5, i32 6, i32 1, i32 poison, i32 poison, i32 poison, i32 poison>
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; CHECK-NEXT: [[TMP2:%.*]] = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> [[A0]], <8 x i16> [[TMP1]])
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; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <8 x i16> [[TMP2]], <8 x i16> poison, <8 x i32> <i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
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; CHECK-NEXT: [[TMP4:%.*]] = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> [[TMP2]], <8 x i16> [[TMP3]])
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; CHECK-NEXT: [[TMP5:%.*]] = shufflevector <8 x i16> [[TMP4]], <8 x i16> poison, <8 x i32> <i32 1, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
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; CHECK-NEXT: [[TMP6:%.*]] = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> [[TMP4]], <8 x i16> [[TMP5]])
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; CHECK-NEXT: [[TMP7:%.*]] = extractelement <8 x i16> [[TMP6]], i64 0
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; CHECK-NEXT: ret i16 [[TMP7]]
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;
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%1 = shufflevector <8 x i16> %a0, <8 x i16> poison, <8 x i32> <i32 4, i32 5, i32 6, i32 1, i32 poison, i32 poison, i32 poison, i32 poison>
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%2 = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> %a0, <8 x i16> %1)
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%3 = shufflevector <8 x i16> %2, <8 x i16> poison, <8 x i32> <i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
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%4 = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> %2, <8 x i16> %3)
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%5 = shufflevector <8 x i16> %4, <8 x i16> poison, <8 x i32> <i32 1, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
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%6 = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> %4, <8 x i16> %5)
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%7 = extractelement <8 x i16> %6, i64 0
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ret i16 %7
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}
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define i16 @test_reduce_v8i16_neg2(<8 x i16> %a0) {
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; CHECK-LABEL: define i16 @test_reduce_v8i16_neg2(
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; CHECK-SAME: <8 x i16> [[A0:%.*]]) {
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; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <8 x i16> [[A0]], <8 x i16> poison, <8 x i32> <i32 4, i32 5, i32 6, i32 7, i32 poison, i32 poison, i32 poison, i32 poison>
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; CHECK-NEXT: [[TMP2:%.*]] = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> [[A0]], <8 x i16> [[TMP1]])
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; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <8 x i16> [[TMP2]], <8 x i16> poison, <8 x i32> <i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
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; CHECK-NEXT: [[TMP4:%.*]] = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> [[TMP2]], <8 x i16> [[TMP3]])
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; CHECK-NEXT: [[TMP5:%.*]] = shufflevector <8 x i16> [[TMP4]], <8 x i16> poison, <8 x i32> <i32 1, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
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; CHECK-NEXT: [[TMP6:%.*]] = tail call <8 x i16> @llvm.umax.v8i16(<8 x i16> [[TMP4]], <8 x i16> [[TMP5]])
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; CHECK-NEXT: [[TMP7:%.*]] = extractelement <8 x i16> [[TMP6]], i64 0
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; CHECK-NEXT: ret i16 [[TMP7]]
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;
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%1 = shufflevector <8 x i16> %a0, <8 x i16> poison, <8 x i32> <i32 4, i32 5, i32 6, i32 7, i32 poison, i32 poison, i32 poison, i32 poison>
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%2 = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> %a0, <8 x i16> %1)
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%3 = shufflevector <8 x i16> %2, <8 x i16> poison, <8 x i32> <i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
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%4 = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> %2, <8 x i16> %3)
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%5 = shufflevector <8 x i16> %4, <8 x i16> poison, <8 x i32> <i32 1, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
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%6 = tail call <8 x i16> @llvm.umax.v8i16(<8 x i16> %4, <8 x i16> %5)
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%7 = extractelement <8 x i16> %6, i64 0
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ret i16 %7
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}
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define i16 @test_reduce_v8i16_neg3(<8 x i16> %a0) {
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; CHECK-LABEL: define i16 @test_reduce_v8i16_neg3(
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; CHECK-SAME: <8 x i16> [[A0:%.*]]) {
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; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <8 x i16> [[A0]], <8 x i16> poison, <8 x i32> <i32 4, i32 5, i32 6, i32 7, i32 poison, i32 poison, i32 poison, i32 poison>
|
|
; CHECK-NEXT: [[TMP2:%.*]] = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> [[A0]], <8 x i16> [[TMP1]])
|
|
; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <8 x i16> [[TMP2]], <8 x i16> poison, <8 x i32> <i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
|
|
; CHECK-NEXT: [[TMP4:%.*]] = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> [[TMP2]], <8 x i16> [[TMP3]])
|
|
; CHECK-NEXT: [[TMP5:%.*]] = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> [[TMP2]], <8 x i16> [[TMP3]])
|
|
; CHECK-NEXT: [[TMP6:%.*]] = shufflevector <8 x i16> [[TMP4]], <8 x i16> poison, <8 x i32> <i32 1, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
|
|
; CHECK-NEXT: [[TMP7:%.*]] = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> [[TMP5]], <8 x i16> [[TMP6]])
|
|
; CHECK-NEXT: [[TMP8:%.*]] = extractelement <8 x i16> [[TMP7]], i64 0
|
|
; CHECK-NEXT: ret i16 [[TMP8]]
|
|
;
|
|
%1 = shufflevector <8 x i16> %a0, <8 x i16> poison, <8 x i32> <i32 4, i32 5, i32 6, i32 7, i32 poison, i32 poison, i32 poison, i32 poison>
|
|
%2 = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> %a0, <8 x i16> %1)
|
|
%3 = shufflevector <8 x i16> %2, <8 x i16> poison, <8 x i32> <i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
|
|
%4 = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> %2, <8 x i16> %3)
|
|
%5 = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> %2, <8 x i16> %3)
|
|
%6 = shufflevector <8 x i16> %4, <8 x i16> poison, <8 x i32> <i32 1, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
|
|
%7 = tail call <8 x i16> @llvm.umin.v8i16(<8 x i16> %5, <8 x i16> %6)
|
|
%8 = extractelement <8 x i16> %7, i64 0
|
|
ret i16 %8
|
|
}
|
|
|
|
define i16 @test_reduce_v6i16_xor_neg(<6 x i16> %a0) {
|
|
; CHECK-LABEL: define i16 @test_reduce_v6i16_xor_neg(
|
|
; CHECK-SAME: <6 x i16> [[A0:%.*]]) {
|
|
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <6 x i16> [[A0]], <6 x i16> poison, <6 x i32> <i32 3, i32 4, i32 5, i32 poison, i32 poison, i32 poison>
|
|
; CHECK-NEXT: [[TMP2:%.*]] = xor <6 x i16> [[A0]], [[TMP1]]
|
|
; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <6 x i16> [[TMP2]], <6 x i16> poison, <6 x i32> <i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison>
|
|
; CHECK-NEXT: [[TMP4:%.*]] = xor <6 x i16> [[TMP2]], [[TMP3]]
|
|
; CHECK-NEXT: [[TMP5:%.*]] = shufflevector <6 x i16> [[TMP4]], <6 x i16> poison, <6 x i32> <i32 1, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
|
|
; CHECK-NEXT: [[TMP6:%.*]] = xor <6 x i16> [[TMP4]], [[TMP5]]
|
|
; CHECK-NEXT: [[TMP7:%.*]] = extractelement <6 x i16> [[TMP6]], i64 0
|
|
; CHECK-NEXT: ret i16 [[TMP7]]
|
|
;
|
|
%1 = shufflevector <6 x i16> %a0, <6 x i16> poison, <6 x i32> <i32 3, i32 4, i32 5, i32 poison, i32 poison, i32 poison>
|
|
%2 = xor <6 x i16> %a0, %1
|
|
%3 = shufflevector <6 x i16> %2, <6 x i16> poison, <6 x i32> <i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison>
|
|
%4 = xor <6 x i16> %2, %3
|
|
%5 = shufflevector <6 x i16> %4, <6 x i16> poison, <6 x i32> <i32 1, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
|
|
%6 = xor <6 x i16> %4, %5
|
|
%7 = extractelement <6 x i16> %6, i64 0
|
|
ret i16 %7
|
|
}
|
|
|
|
; Partial reduction: reduce lower 8 elements of a 16-element vector using smax.
|
|
define i16 @test_partial_reduce_v16i16_v8i16_smax(<16 x i16> %a0) {
|
|
; CHECK-LABEL: define i16 @test_partial_reduce_v16i16_v8i16_smax(
|
|
; CHECK-SAME: <16 x i16> [[A0:%.*]]) {
|
|
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <16 x i16> [[A0]], <16 x i16> poison, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
|
|
; CHECK-NEXT: [[TMP2:%.*]] = call i16 @llvm.vector.reduce.smax.v8i16(<8 x i16> [[TMP1]])
|
|
; CHECK-NEXT: ret i16 [[TMP2]]
|
|
;
|
|
%1 = shufflevector <16 x i16> %a0, <16 x i16> poison, <16 x i32> <i32 4, i32 5, i32 6, i32 7, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
|
|
%2 = tail call <16 x i16> @llvm.smax.v16i16(<16 x i16> %a0, <16 x i16> %1)
|
|
%3 = shufflevector <16 x i16> %2, <16 x i16> poison, <16 x i32> <i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
|
|
%4 = tail call <16 x i16> @llvm.smax.v16i16(<16 x i16> %2, <16 x i16> %3)
|
|
%5 = shufflevector <16 x i16> %4, <16 x i16> poison, <16 x i32> <i32 1, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
|
|
%6 = tail call <16 x i16> @llvm.smax.v16i16(<16 x i16> %4, <16 x i16> %5)
|
|
%7 = extractelement <16 x i16> %6, i64 0
|
|
ret i16 %7
|
|
}
|
|
|
|
; Partial reduction: reduce lower 4 elements of an 8-element vector using add.
|
|
define i32 @test_partial_reduce_v8i32_v4i32_add(<8 x i32> %a0) {
|
|
; CHECK-LABEL: define i32 @test_partial_reduce_v8i32_v4i32_add(
|
|
; CHECK-SAME: <8 x i32> [[A0:%.*]]) {
|
|
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <8 x i32> [[A0]], <8 x i32> poison, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
|
|
; CHECK-NEXT: [[TMP2:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP1]])
|
|
; CHECK-NEXT: ret i32 [[TMP2]]
|
|
;
|
|
%1 = shufflevector <8 x i32> %a0, <8 x i32> poison, <8 x i32> <i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
|
|
%2 = add <8 x i32> %a0, %1
|
|
%3 = shufflevector <8 x i32> %2, <8 x i32> poison, <8 x i32> <i32 1, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
|
|
%4 = add <8 x i32> %2, %3
|
|
%5 = extractelement <8 x i32> %4, i64 0
|
|
ret i32 %5
|
|
}
|
|
|
|
; Partial reduction: reduce lower 4 elements of a 16-element vector using umin.
|
|
define i16 @test_partial_reduce_v16i16_v4i16_umin(<16 x i16> %a0) {
|
|
; CHECK-LABEL: define i16 @test_partial_reduce_v16i16_v4i16_umin(
|
|
; CHECK-SAME: <16 x i16> [[A0:%.*]]) {
|
|
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <16 x i16> [[A0]], <16 x i16> poison, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
|
|
; CHECK-NEXT: [[TMP2:%.*]] = call i16 @llvm.vector.reduce.umin.v4i16(<4 x i16> [[TMP1]])
|
|
; CHECK-NEXT: ret i16 [[TMP2]]
|
|
;
|
|
%1 = shufflevector <16 x i16> %a0, <16 x i16> poison, <16 x i32> <i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
|
|
%2 = tail call <16 x i16> @llvm.umin.v16i16(<16 x i16> %a0, <16 x i16> %1)
|
|
%3 = shufflevector <16 x i16> %2, <16 x i16> poison, <16 x i32> <i32 1, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
|
|
%4 = tail call <16 x i16> @llvm.umin.v16i16(<16 x i16> %2, <16 x i16> %3)
|
|
%5 = extractelement <16 x i16> %4, i64 0
|
|
ret i16 %5
|
|
}
|
|
|
|
; Negative test: partial reduction on non-power-of-2 vectors is rejected because
|
|
; parity-based shuffle masks cause lane duplication in the reduction tree.
|
|
define i32 @test_no_partial_reduce_v6i32_add(<6 x i32> %a) {
|
|
; CHECK-LABEL: define i32 @test_no_partial_reduce_v6i32_add(
|
|
; CHECK-SAME: <6 x i32> [[A:%.*]]) {
|
|
; CHECK-NEXT: [[S1:%.*]] = shufflevector <6 x i32> [[A]], <6 x i32> poison, <6 x i32> <i32 1, i32 2, i32 poison, i32 poison, i32 poison, i32 poison>
|
|
; CHECK-NEXT: [[A1:%.*]] = add <6 x i32> [[A]], [[S1]]
|
|
; CHECK-NEXT: [[S2:%.*]] = shufflevector <6 x i32> [[A1]], <6 x i32> poison, <6 x i32> <i32 1, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
|
|
; CHECK-NEXT: [[A2:%.*]] = add <6 x i32> [[A1]], [[S2]]
|
|
; CHECK-NEXT: [[R:%.*]] = extractelement <6 x i32> [[A2]], i64 0
|
|
; CHECK-NEXT: ret i32 [[R]]
|
|
;
|
|
%s1 = shufflevector <6 x i32> %a, <6 x i32> poison, <6 x i32> <i32 1, i32 2, i32 poison, i32 poison, i32 poison, i32 poison>
|
|
%a1 = add <6 x i32> %a, %s1
|
|
%s2 = shufflevector <6 x i32> %a1, <6 x i32> poison, <6 x i32> <i32 1, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
|
|
%a2 = add <6 x i32> %a1, %s2
|
|
%r = extractelement <6 x i32> %a2, i64 0
|
|
ret i32 %r
|
|
}
|