Alexey Bataev a988821123
[SLP]Keep the original order in the reductions.
The patch tries to keep the original order of the instruction in the
reductions. Previously, two first instructions were switched, giving
reverse order.
The first step to support of the ordered reductions.

Reviewers: RKSimon

Reviewed By: RKSimon

Pull Request: https://github.com/llvm/llvm-project/pull/98025
2024-07-09 12:26:42 -04:00

256 lines
12 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=slp-vectorizer,instcombine -S | FileCheck %s
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
target triple = "aarch64--linux-gnu"
define <2 x i64> @build_vec_v2i64(<2 x i64> %v0, <2 x i64> %v1) {
; CHECK-LABEL: @build_vec_v2i64(
; CHECK-NEXT: [[TMP1:%.*]] = add <2 x i64> [[V0:%.*]], [[V1:%.*]]
; CHECK-NEXT: [[TMP2:%.*]] = sub <2 x i64> [[V0]], [[V1]]
; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <2 x i64> [[TMP1]], <2 x i64> [[TMP2]], <2 x i32> <i32 1, i32 2>
; CHECK-NEXT: [[TMP4:%.*]] = shufflevector <2 x i64> [[TMP1]], <2 x i64> [[TMP2]], <2 x i32> <i32 0, i32 3>
; CHECK-NEXT: [[TMP5:%.*]] = add <2 x i64> [[TMP4]], [[TMP3]]
; CHECK-NEXT: ret <2 x i64> [[TMP5]]
;
%v0.0 = extractelement <2 x i64> %v0, i32 0
%v0.1 = extractelement <2 x i64> %v0, i32 1
%v1.0 = extractelement <2 x i64> %v1, i32 0
%v1.1 = extractelement <2 x i64> %v1, i32 1
%tmp0.0 = add i64 %v0.0, %v1.0
%tmp0.1 = add i64 %v0.1, %v1.1
%tmp1.0 = sub i64 %v0.0, %v1.0
%tmp1.1 = sub i64 %v0.1, %v1.1
%tmp2.0 = add i64 %tmp0.0, %tmp0.1
%tmp2.1 = add i64 %tmp1.0, %tmp1.1
%tmp3.0 = insertelement <2 x i64> undef, i64 %tmp2.0, i32 0
%tmp3.1 = insertelement <2 x i64> %tmp3.0, i64 %tmp2.1, i32 1
ret <2 x i64> %tmp3.1
}
define void @store_chain_v2i64(ptr %a, ptr %b, ptr %c) {
; CHECK-LABEL: @store_chain_v2i64(
; CHECK-NEXT: [[TMP1:%.*]] = load <2 x i64>, ptr [[A:%.*]], align 8
; CHECK-NEXT: [[TMP2:%.*]] = load <2 x i64>, ptr [[B:%.*]], align 8
; CHECK-NEXT: [[TMP3:%.*]] = add <2 x i64> [[TMP1]], [[TMP2]]
; CHECK-NEXT: [[TMP4:%.*]] = sub <2 x i64> [[TMP1]], [[TMP2]]
; CHECK-NEXT: [[TMP5:%.*]] = shufflevector <2 x i64> [[TMP3]], <2 x i64> [[TMP4]], <2 x i32> <i32 1, i32 2>
; CHECK-NEXT: [[TMP6:%.*]] = shufflevector <2 x i64> [[TMP3]], <2 x i64> [[TMP4]], <2 x i32> <i32 0, i32 3>
; CHECK-NEXT: [[TMP7:%.*]] = add <2 x i64> [[TMP6]], [[TMP5]]
; CHECK-NEXT: store <2 x i64> [[TMP7]], ptr [[C:%.*]], align 8
; CHECK-NEXT: ret void
;
%a.1 = getelementptr i64, ptr %a, i64 1
%b.1 = getelementptr i64, ptr %b, i64 1
%c.1 = getelementptr i64, ptr %c, i64 1
%v0.0 = load i64, ptr %a, align 8
%v0.1 = load i64, ptr %a.1, align 8
%v1.0 = load i64, ptr %b, align 8
%v1.1 = load i64, ptr %b.1, align 8
%tmp0.0 = add i64 %v0.0, %v1.0
%tmp0.1 = add i64 %v0.1, %v1.1
%tmp1.0 = sub i64 %v0.0, %v1.0
%tmp1.1 = sub i64 %v0.1, %v1.1
%tmp2.0 = add i64 %tmp0.0, %tmp0.1
%tmp2.1 = add i64 %tmp1.0, %tmp1.1
store i64 %tmp2.0, ptr %c, align 8
store i64 %tmp2.1, ptr %c.1, align 8
ret void
}
define <4 x i32> @build_vec_v4i32(<4 x i32> %v0, <4 x i32> %v1) {
; CHECK-LABEL: @build_vec_v4i32(
; CHECK-NEXT: [[TMP1:%.*]] = add <4 x i32> [[V0:%.*]], [[V1:%.*]]
; CHECK-NEXT: [[TMP2:%.*]] = sub <4 x i32> [[V0]], [[V1]]
; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <4 x i32> [[TMP1]], <4 x i32> [[TMP2]], <4 x i32> <i32 0, i32 5, i32 3, i32 6>
; CHECK-NEXT: [[TMP4:%.*]] = shufflevector <4 x i32> [[TMP1]], <4 x i32> [[TMP2]], <4 x i32> <i32 1, i32 4, i32 2, i32 7>
; CHECK-NEXT: [[TMP5:%.*]] = add <4 x i32> [[TMP4]], [[TMP3]]
; CHECK-NEXT: ret <4 x i32> [[TMP5]]
;
%v0.0 = extractelement <4 x i32> %v0, i32 0
%v0.1 = extractelement <4 x i32> %v0, i32 1
%v0.2 = extractelement <4 x i32> %v0, i32 2
%v0.3 = extractelement <4 x i32> %v0, i32 3
%v1.0 = extractelement <4 x i32> %v1, i32 0
%v1.1 = extractelement <4 x i32> %v1, i32 1
%v1.2 = extractelement <4 x i32> %v1, i32 2
%v1.3 = extractelement <4 x i32> %v1, i32 3
%tmp0.0 = add i32 %v0.0, %v1.0
%tmp0.1 = add i32 %v0.1, %v1.1
%tmp0.2 = add i32 %v0.2, %v1.2
%tmp0.3 = add i32 %v0.3, %v1.3
%tmp1.0 = sub i32 %v0.0, %v1.0
%tmp1.1 = sub i32 %v0.1, %v1.1
%tmp1.2 = sub i32 %v0.2, %v1.2
%tmp1.3 = sub i32 %v0.3, %v1.3
%tmp2.0 = add i32 %tmp0.0, %tmp0.1
%tmp2.1 = add i32 %tmp1.0, %tmp1.1
%tmp2.2 = add i32 %tmp0.2, %tmp0.3
%tmp2.3 = add i32 %tmp1.2, %tmp1.3
%tmp3.0 = insertelement <4 x i32> undef, i32 %tmp2.0, i32 0
%tmp3.1 = insertelement <4 x i32> %tmp3.0, i32 %tmp2.1, i32 1
%tmp3.2 = insertelement <4 x i32> %tmp3.1, i32 %tmp2.2, i32 2
%tmp3.3 = insertelement <4 x i32> %tmp3.2, i32 %tmp2.3, i32 3
ret <4 x i32> %tmp3.3
}
define <4 x i32> @build_vec_v4i32_reuse_0(<2 x i32> %v0, <2 x i32> %v1) {
; CHECK-LABEL: @build_vec_v4i32_reuse_0(
; CHECK-NEXT: [[TMP1:%.*]] = add <2 x i32> [[V0:%.*]], [[V1:%.*]]
; CHECK-NEXT: [[TMP2:%.*]] = sub <2 x i32> [[V0]], [[V1]]
; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <2 x i32> [[TMP1]], <2 x i32> [[TMP2]], <2 x i32> <i32 1, i32 2>
; CHECK-NEXT: [[TMP4:%.*]] = shufflevector <2 x i32> [[TMP1]], <2 x i32> [[TMP2]], <2 x i32> <i32 0, i32 3>
; CHECK-NEXT: [[TMP5:%.*]] = add <2 x i32> [[TMP4]], [[TMP3]]
; CHECK-NEXT: [[TMP6:%.*]] = shufflevector <2 x i32> [[TMP5]], <2 x i32> poison, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
; CHECK-NEXT: ret <4 x i32> [[TMP6]]
;
%v0.0 = extractelement <2 x i32> %v0, i32 0
%v0.1 = extractelement <2 x i32> %v0, i32 1
%v1.0 = extractelement <2 x i32> %v1, i32 0
%v1.1 = extractelement <2 x i32> %v1, i32 1
%tmp0.0 = add i32 %v0.0, %v1.0
%tmp0.1 = add i32 %v0.1, %v1.1
%tmp1.0 = sub i32 %v0.0, %v1.0
%tmp1.1 = sub i32 %v0.1, %v1.1
%tmp2.0 = add i32 %tmp0.0, %tmp0.1
%tmp2.1 = add i32 %tmp1.0, %tmp1.1
%tmp3.0 = insertelement <4 x i32> undef, i32 %tmp2.0, i32 0
%tmp3.1 = insertelement <4 x i32> %tmp3.0, i32 %tmp2.1, i32 1
%tmp3.2 = insertelement <4 x i32> %tmp3.1, i32 %tmp2.0, i32 2
%tmp3.3 = insertelement <4 x i32> %tmp3.2, i32 %tmp2.1, i32 3
ret <4 x i32> %tmp3.3
}
define <4 x i32> @build_vec_v4i32_reuse_1(<2 x i32> %v0, <2 x i32> %v1) {
; CHECK-LABEL: @build_vec_v4i32_reuse_1(
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <2 x i32> [[V0:%.*]], <2 x i32> poison, <4 x i32> <i32 0, i32 0, i32 0, i32 1>
; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <2 x i32> [[V1:%.*]], <2 x i32> poison, <4 x i32> <i32 0, i32 0, i32 0, i32 1>
; CHECK-NEXT: [[TMP3:%.*]] = extractelement <2 x i32> [[V0]], i64 1
; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x i32> [[V1]], i64 1
; CHECK-NEXT: [[TMP0_1:%.*]] = add i32 [[TMP3]], [[TMP4]]
; CHECK-NEXT: [[TMP5:%.*]] = add <4 x i32> [[TMP1]], [[TMP2]]
; CHECK-NEXT: [[TMP6:%.*]] = xor <4 x i32> [[TMP1]], [[TMP2]]
; CHECK-NEXT: [[TMP7:%.*]] = shufflevector <4 x i32> [[TMP5]], <4 x i32> [[TMP6]], <4 x i32> <i32 0, i32 1, i32 6, i32 7>
; CHECK-NEXT: [[TMP8:%.*]] = shufflevector <4 x i32> [[TMP7]], <4 x i32> poison, <4 x i32> <i32 poison, i32 poison, i32 3, i32 2>
; CHECK-NEXT: [[TMP9:%.*]] = insertelement <4 x i32> [[TMP8]], i32 [[TMP0_1]], i64 0
; CHECK-NEXT: [[TMP10:%.*]] = shufflevector <4 x i32> [[TMP9]], <4 x i32> poison, <4 x i32> <i32 0, i32 0, i32 2, i32 3>
; CHECK-NEXT: [[TMP11:%.*]] = sub <4 x i32> [[TMP7]], [[TMP10]]
; CHECK-NEXT: ret <4 x i32> [[TMP11]]
;
%v0.0 = extractelement <2 x i32> %v0, i32 0
%v0.1 = extractelement <2 x i32> %v0, i32 1
%v1.0 = extractelement <2 x i32> %v1, i32 0
%v1.1 = extractelement <2 x i32> %v1, i32 1
%tmp0.0 = add i32 %v0.0, %v1.0
%tmp0.1 = add i32 %v0.1, %v1.1
%tmp0.2 = xor i32 %v0.0, %v1.0
%tmp0.3 = xor i32 %v0.1, %v1.1
%tmp1.0 = sub i32 %tmp0.0, %tmp0.1
%tmp1.1 = sub i32 %tmp0.0, %tmp0.1
%tmp1.2 = sub i32 %tmp0.2, %tmp0.3
%tmp1.3 = sub i32 %tmp0.3, %tmp0.2
%tmp2.0 = insertelement <4 x i32> undef, i32 %tmp1.0, i32 0
%tmp2.1 = insertelement <4 x i32> %tmp2.0, i32 %tmp1.1, i32 1
%tmp2.2 = insertelement <4 x i32> %tmp2.1, i32 %tmp1.2, i32 2
%tmp2.3 = insertelement <4 x i32> %tmp2.2, i32 %tmp1.3, i32 3
ret <4 x i32> %tmp2.3
}
define <4 x i32> @build_vec_v4i32_3_binops(<2 x i32> %v0, <2 x i32> %v1) {
; CHECK-LABEL: @build_vec_v4i32_3_binops(
; CHECK-NEXT: [[TMP1:%.*]] = add <2 x i32> [[V0:%.*]], [[V1:%.*]]
; CHECK-NEXT: [[TMP2:%.*]] = mul <2 x i32> [[V0]], [[V1]]
; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <2 x i32> [[TMP1]], <2 x i32> [[TMP2]], <2 x i32> <i32 1, i32 2>
; CHECK-NEXT: [[TMP4:%.*]] = shufflevector <2 x i32> [[TMP1]], <2 x i32> [[TMP2]], <2 x i32> <i32 0, i32 3>
; CHECK-NEXT: [[TMP5:%.*]] = add <2 x i32> [[TMP4]], [[TMP3]]
; CHECK-NEXT: [[TMP6:%.*]] = xor <2 x i32> [[V0]], [[V1]]
; CHECK-NEXT: [[TMP7:%.*]] = shufflevector <2 x i32> [[TMP6]], <2 x i32> poison, <2 x i32> <i32 1, i32 0>
; CHECK-NEXT: [[TMP8:%.*]] = xor <2 x i32> [[V0]], [[V1]]
; CHECK-NEXT: [[TMP9:%.*]] = add <2 x i32> [[TMP7]], [[TMP8]]
; CHECK-NEXT: [[TMP3_31:%.*]] = shufflevector <2 x i32> [[TMP5]], <2 x i32> [[TMP9]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
; CHECK-NEXT: ret <4 x i32> [[TMP3_31]]
;
%v0.0 = extractelement <2 x i32> %v0, i32 0
%v0.1 = extractelement <2 x i32> %v0, i32 1
%v1.0 = extractelement <2 x i32> %v1, i32 0
%v1.1 = extractelement <2 x i32> %v1, i32 1
%tmp0.0 = add i32 %v0.0, %v1.0
%tmp0.1 = add i32 %v0.1, %v1.1
%tmp0.2 = xor i32 %v0.0, %v1.0
%tmp0.3 = xor i32 %v0.1, %v1.1
%tmp1.0 = mul i32 %v0.0, %v1.0
%tmp1.1 = mul i32 %v0.1, %v1.1
%tmp1.2 = xor i32 %v0.0, %v1.0
%tmp1.3 = xor i32 %v0.1, %v1.1
%tmp2.0 = add i32 %tmp0.0, %tmp0.1
%tmp2.1 = add i32 %tmp1.0, %tmp1.1
%tmp2.2 = add i32 %tmp0.2, %tmp0.3
%tmp2.3 = add i32 %tmp1.2, %tmp1.3
%tmp3.0 = insertelement <4 x i32> undef, i32 %tmp2.0, i32 0
%tmp3.1 = insertelement <4 x i32> %tmp3.0, i32 %tmp2.1, i32 1
%tmp3.2 = insertelement <4 x i32> %tmp3.1, i32 %tmp2.2, i32 2
%tmp3.3 = insertelement <4 x i32> %tmp3.2, i32 %tmp2.3, i32 3
ret <4 x i32> %tmp3.3
}
define i32 @reduction_v4i32(<4 x i32> %v0, <4 x i32> %v1) {
; CHECK-LABEL: @reduction_v4i32(
; CHECK-NEXT: [[TMP1:%.*]] = sub <4 x i32> [[V0:%.*]], [[V1:%.*]]
; CHECK-NEXT: [[TMP2:%.*]] = add <4 x i32> [[V0]], [[V1]]
; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <4 x i32> [[TMP1]], <4 x i32> [[TMP2]], <4 x i32> <i32 0, i32 5, i32 7, i32 2>
; CHECK-NEXT: [[TMP4:%.*]] = shufflevector <4 x i32> [[TMP1]], <4 x i32> [[TMP2]], <4 x i32> <i32 1, i32 4, i32 6, i32 3>
; CHECK-NEXT: [[TMP5:%.*]] = add <4 x i32> [[TMP4]], [[TMP3]]
; CHECK-NEXT: [[TMP6:%.*]] = lshr <4 x i32> [[TMP5]], <i32 15, i32 15, i32 15, i32 15>
; CHECK-NEXT: [[TMP7:%.*]] = and <4 x i32> [[TMP6]], <i32 65537, i32 65537, i32 65537, i32 65537>
; CHECK-NEXT: [[TMP8:%.*]] = mul nuw <4 x i32> [[TMP7]], <i32 65535, i32 65535, i32 65535, i32 65535>
; CHECK-NEXT: [[TMP9:%.*]] = add <4 x i32> [[TMP8]], [[TMP5]]
; CHECK-NEXT: [[TMP10:%.*]] = xor <4 x i32> [[TMP9]], [[TMP8]]
; CHECK-NEXT: [[TMP11:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP10]])
; CHECK-NEXT: ret i32 [[TMP11]]
;
%v0.0 = extractelement <4 x i32> %v0, i32 0
%v0.1 = extractelement <4 x i32> %v0, i32 1
%v0.2 = extractelement <4 x i32> %v0, i32 2
%v0.3 = extractelement <4 x i32> %v0, i32 3
%v1.0 = extractelement <4 x i32> %v1, i32 0
%v1.1 = extractelement <4 x i32> %v1, i32 1
%v1.2 = extractelement <4 x i32> %v1, i32 2
%v1.3 = extractelement <4 x i32> %v1, i32 3
%tmp0.0 = add i32 %v0.0, %v1.0
%tmp0.1 = add i32 %v0.1, %v1.1
%tmp0.2 = add i32 %v0.2, %v1.2
%tmp0.3 = add i32 %v0.3, %v1.3
%tmp1.0 = sub i32 %v0.0, %v1.0
%tmp1.1 = sub i32 %v0.1, %v1.1
%tmp1.2 = sub i32 %v0.2, %v1.2
%tmp1.3 = sub i32 %v0.3, %v1.3
%tmp2.0 = add i32 %tmp0.0, %tmp0.1
%tmp2.1 = add i32 %tmp1.0, %tmp1.1
%tmp2.2 = add i32 %tmp0.2, %tmp0.3
%tmp2.3 = add i32 %tmp1.2, %tmp1.3
%tmp3.0 = lshr i32 %tmp2.0, 15
%tmp3.1 = lshr i32 %tmp2.1, 15
%tmp3.2 = lshr i32 %tmp2.2, 15
%tmp3.3 = lshr i32 %tmp2.3, 15
%tmp4.0 = and i32 %tmp3.0, 65537
%tmp4.1 = and i32 %tmp3.1, 65537
%tmp4.2 = and i32 %tmp3.2, 65537
%tmp4.3 = and i32 %tmp3.3, 65537
%tmp5.0 = mul nuw i32 %tmp4.0, 65535
%tmp5.1 = mul nuw i32 %tmp4.1, 65535
%tmp5.2 = mul nuw i32 %tmp4.2, 65535
%tmp5.3 = mul nuw i32 %tmp4.3, 65535
%tmp6.0 = add i32 %tmp5.0, %tmp2.0
%tmp6.1 = add i32 %tmp5.1, %tmp2.1
%tmp6.2 = add i32 %tmp5.2, %tmp2.2
%tmp6.3 = add i32 %tmp5.3, %tmp2.3
%tmp7.0 = xor i32 %tmp6.0, %tmp5.0
%tmp7.1 = xor i32 %tmp6.1, %tmp5.1
%tmp7.2 = xor i32 %tmp6.2, %tmp5.2
%tmp7.3 = xor i32 %tmp6.3, %tmp5.3
%reduce.0 = add i32 %tmp7.1, %tmp7.0
%reduce.1 = add i32 %reduce.0, %tmp7.2
%reduce.2 = add i32 %reduce.1, %tmp7.3
ret i32 %reduce.2
}