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llvm / llvm-project / 35393c865c2cb1afbf1315a9d48ac41994cd1344 / . / llvm / test / Transforms / SLPVectorizer / AArch64 / vectorize-free-extracts-inserts.ll
blob: 188c2de186531f1e1b2e5e8f683054a0af6e8e23 [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -slp-vectorizer -S %s | FileCheck %s
target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
target triple = "arm64-apple-darwin"
declare void @use(double)
; The extracts %v1.lane.0 and %v1.lane.1 should be considered free during SLP,
; because they will be directly in a vector register on AArch64.
define void @noop_extracts_first_2_lanes(<2 x double>* %ptr.1, <4 x double>* %ptr.2) {
; CHECK-LABEL: @noop_extracts_first_2_lanes(
; CHECK-NEXT: bb:
; CHECK-NEXT: [[V_1:%.*]] = load <2 x double>, <2 x double>* [[PTR_1:%.*]], align 8
; CHECK-NEXT: [[V_2:%.*]] = load <4 x double>, <4 x double>* [[PTR_2:%.*]], align 16
; CHECK-NEXT: [[V2_LANE_2:%.*]] = extractelement <4 x double> [[V_2]], i32 2
; CHECK-NEXT: [[V2_LANE_3:%.*]] = extractelement <4 x double> [[V_2]], i32 3
; CHECK-NEXT: [[TMP0:%.*]] = insertelement <2 x double> poison, double [[V2_LANE_2]], i32 0
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <2 x double> [[TMP0]], double [[V2_LANE_3]], i32 1
; CHECK-NEXT: [[TMP2:%.*]] = fmul <2 x double> [[V_1]], [[TMP1]]
; CHECK-NEXT: [[TMP3:%.*]] = extractelement <2 x double> [[TMP2]], i32 0
; CHECK-NEXT: [[A_INS_0:%.*]] = insertelement <2 x double> undef, double [[TMP3]], i32 0
; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x double> [[TMP2]], i32 1
; CHECK-NEXT: [[A_INS_1:%.*]] = insertelement <2 x double> [[A_INS_0]], double [[TMP4]], i32 1
; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x double> [[V_1]], i32 0
; CHECK-NEXT: call void @use(double [[TMP5]])
; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x double> [[V_1]], i32 1
; CHECK-NEXT: call void @use(double [[TMP6]])
; CHECK-NEXT: store <2 x double> [[A_INS_1]], <2 x double>* [[PTR_1]], align 8
; CHECK-NEXT: ret void
;
bb:
%v.1 = load <2 x double>, <2 x double>* %ptr.1, align 8
%v1.lane.0 = extractelement <2 x double> %v.1, i32 0
%v1.lane.1 = extractelement <2 x double> %v.1, i32 1
%v.2 = load <4 x double>, <4 x double>* %ptr.2, align 16
%v2.lane.2 = extractelement <4 x double> %v.2, i32 2
%v2.lane.3 = extractelement <4 x double> %v.2, i32 3
%a.lane.0 = fmul double %v1.lane.0, %v2.lane.2
%a.lane.1 = fmul double %v1.lane.1, %v2.lane.3
%a.ins.0 = insertelement <2 x double> undef, double %a.lane.0, i32 0
%a.ins.1 = insertelement <2 x double> %a.ins.0, double %a.lane.1, i32 1
call void @use(double %v1.lane.0)
call void @use(double %v1.lane.1)
store <2 x double> %a.ins.1, <2 x double>* %ptr.1, align 8
ret void
}
; Extracts of consecutive indices, but different vector operand.
define void @extracts_first_2_lanes_different_vectors(<2 x double>* %ptr.1, <4 x double>* %ptr.2, <2 x double>* %ptr.3) {
; CHECK-LABEL: @extracts_first_2_lanes_different_vectors(
; CHECK-NEXT: bb:
; CHECK-NEXT: [[V_1:%.*]] = load <2 x double>, <2 x double>* [[PTR_1:%.*]], align 8
; CHECK-NEXT: [[V1_LANE_0:%.*]] = extractelement <2 x double> [[V_1]], i32 0
; CHECK-NEXT: [[V_3:%.*]] = load <2 x double>, <2 x double>* [[PTR_3:%.*]], align 8
; CHECK-NEXT: [[V3_LANE_1:%.*]] = extractelement <2 x double> [[V_3]], i32 1
; CHECK-NEXT: [[V_2:%.*]] = load <4 x double>, <4 x double>* [[PTR_2:%.*]], align 16
; CHECK-NEXT: [[V2_LANE_2:%.*]] = extractelement <4 x double> [[V_2]], i32 2
; CHECK-NEXT: [[A_LANE_0:%.*]] = fmul double [[V1_LANE_0]], [[V2_LANE_2]]
; CHECK-NEXT: [[A_LANE_1:%.*]] = fmul double [[V3_LANE_1]], [[V2_LANE_2]]
; CHECK-NEXT: [[A_INS_0:%.*]] = insertelement <2 x double> undef, double [[A_LANE_0]], i32 0
; CHECK-NEXT: [[A_INS_1:%.*]] = insertelement <2 x double> [[A_INS_0]], double [[A_LANE_1]], i32 1
; CHECK-NEXT: call void @use(double [[V1_LANE_0]])
; CHECK-NEXT: call void @use(double [[V3_LANE_1]])
; CHECK-NEXT: store <2 x double> [[A_INS_1]], <2 x double>* [[PTR_1]], align 8
; CHECK-NEXT: ret void
;
bb:
%v.1 = load <2 x double>, <2 x double>* %ptr.1, align 8
%v1.lane.0 = extractelement <2 x double> %v.1, i32 0
%v.3 = load <2 x double>, <2 x double>* %ptr.3, align 8
%v3.lane.1 = extractelement <2 x double> %v.3, i32 1
%v.2 = load <4 x double>, <4 x double>* %ptr.2, align 16
%v2.lane.2 = extractelement <4 x double> %v.2, i32 2
%a.lane.0 = fmul double %v1.lane.0, %v2.lane.2
%a.lane.1 = fmul double %v3.lane.1, %v2.lane.2
%a.ins.0 = insertelement <2 x double> undef, double %a.lane.0, i32 0
%a.ins.1 = insertelement <2 x double> %a.ins.0, double %a.lane.1, i32 1
call void @use(double %v1.lane.0)
call void @use(double %v3.lane.1)
store <2 x double> %a.ins.1, <2 x double>* %ptr.1, align 8
ret void
}
; The extracts %v1.lane.2 and %v1.lane.3 should be considered free during SLP,
; because they will be directly in a vector register on AArch64.
define void @noop_extract_second_2_lanes(<4 x double>* %ptr.1, <4 x double>* %ptr.2) {
; CHECK-LABEL: @noop_extract_second_2_lanes(
; CHECK-NEXT: bb:
; CHECK-NEXT: [[V_1:%.*]] = load <4 x double>, <4 x double>* [[PTR_1:%.*]], align 8
; CHECK-NEXT: [[V1_LANE_2:%.*]] = extractelement <4 x double> [[V_1]], i32 2
; CHECK-NEXT: [[V1_LANE_3:%.*]] = extractelement <4 x double> [[V_1]], i32 3
; CHECK-NEXT: [[V_2:%.*]] = load <4 x double>, <4 x double>* [[PTR_2:%.*]], align 16
; CHECK-NEXT: [[V2_LANE_2:%.*]] = extractelement <4 x double> [[V_2]], i32 2
; CHECK-NEXT: [[TMP0:%.*]] = insertelement <2 x double> poison, double [[V1_LANE_2]], i32 0
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <2 x double> [[TMP0]], double [[V1_LANE_3]], i32 1
; CHECK-NEXT: [[TMP2:%.*]] = insertelement <2 x double> poison, double [[V2_LANE_2]], i32 0
; CHECK-NEXT: [[TMP3:%.*]] = insertelement <2 x double> [[TMP2]], double [[V2_LANE_2]], i32 1
; CHECK-NEXT: [[TMP4:%.*]] = fmul <2 x double> [[TMP1]], [[TMP3]]
; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x double> [[TMP4]], i32 0
; CHECK-NEXT: [[A_INS_0:%.*]] = insertelement <4 x double> undef, double [[TMP5]], i32 0
; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x double> [[TMP4]], i32 1
; CHECK-NEXT: [[A_INS_1:%.*]] = insertelement <4 x double> [[A_INS_0]], double [[TMP6]], i32 1
; CHECK-NEXT: call void @use(double [[V1_LANE_2]])
; CHECK-NEXT: call void @use(double [[V1_LANE_3]])
; CHECK-NEXT: store <4 x double> [[A_INS_1]], <4 x double>* [[PTR_1]], align 8
; CHECK-NEXT: ret void
;
bb:
%v.1 = load <4 x double>, <4 x double>* %ptr.1, align 8
%v1.lane.2 = extractelement <4 x double> %v.1, i32 2
%v1.lane.3 = extractelement <4 x double> %v.1, i32 3
%v.2 = load <4 x double>, <4 x double>* %ptr.2, align 16
%v2.lane.2 = extractelement <4 x double> %v.2, i32 2
%a.lane.0 = fmul double %v1.lane.2, %v2.lane.2
%a.lane.1 = fmul double %v1.lane.3, %v2.lane.2
%a.ins.0 = insertelement <4 x double> undef, double %a.lane.0, i32 0
%a.ins.1 = insertelement <4 x double> %a.ins.0, double %a.lane.1, i32 1
call void @use(double %v1.lane.2)
call void @use(double %v1.lane.3)
store <4 x double> %a.ins.1, <4 x double>* %ptr.1, align 8
ret void
}
; %v1.lane.0 and %v1.lane.1 are used in reverse-order, so they won't be
; directly in a vector register on AArch64.
define void @extract_reverse_order(<2 x double>* %ptr.1, <4 x double>* %ptr.2) {
; CHECK-LABEL: @extract_reverse_order(
; CHECK-NEXT: bb:
; CHECK-NEXT: [[V_1:%.*]] = load <2 x double>, <2 x double>* [[PTR_1:%.*]], align 8
; CHECK-NEXT: [[V1_LANE_0:%.*]] = extractelement <2 x double> [[V_1]], i32 0
; CHECK-NEXT: [[V1_LANE_1:%.*]] = extractelement <2 x double> [[V_1]], i32 1
; CHECK-NEXT: [[V_2:%.*]] = load <4 x double>, <4 x double>* [[PTR_2:%.*]], align 16
; CHECK-NEXT: [[V2_LANE_2:%.*]] = extractelement <4 x double> [[V_2]], i32 2
; CHECK-NEXT: [[A_LANE_0:%.*]] = fmul double [[V1_LANE_1]], [[V2_LANE_2]]
; CHECK-NEXT: [[A_LANE_1:%.*]] = fmul double [[V1_LANE_0]], [[V2_LANE_2]]
; CHECK-NEXT: [[A_INS_0:%.*]] = insertelement <2 x double> undef, double [[A_LANE_0]], i32 0
; CHECK-NEXT: [[A_INS_1:%.*]] = insertelement <2 x double> [[A_INS_0]], double [[A_LANE_1]], i32 1
; CHECK-NEXT: call void @use(double [[V1_LANE_0]])
; CHECK-NEXT: call void @use(double [[V1_LANE_1]])
; CHECK-NEXT: store <2 x double> [[A_INS_1]], <2 x double>* [[PTR_1]], align 8
; CHECK-NEXT: ret void
;
bb:
%v.1 = load <2 x double>, <2 x double>* %ptr.1, align 8
%v1.lane.0 = extractelement <2 x double> %v.1, i32 0
%v1.lane.1 = extractelement <2 x double> %v.1, i32 1
%v.2 = load <4 x double>, <4 x double>* %ptr.2, align 16
%v2.lane.2 = extractelement <4 x double> %v.2, i32 2
%a.lane.0 = fmul double %v1.lane.1, %v2.lane.2
%a.lane.1 = fmul double %v1.lane.0, %v2.lane.2
%a.ins.0 = insertelement <2 x double> undef, double %a.lane.0, i32 0
%a.ins.1 = insertelement <2 x double> %a.ins.0, double %a.lane.1, i32 1
call void @use(double %v1.lane.0)
call void @use(double %v1.lane.1)
store <2 x double> %a.ins.1, <2 x double>* %ptr.1, align 8
ret void
}
; %v1.lane.1 and %v1.lane.2 are extracted from different vector registers on AArch64.
define void @extract_lanes_1_and_2(<4 x double>* %ptr.1, <4 x double>* %ptr.2) {
; CHECK-LABEL: @extract_lanes_1_and_2(
; CHECK-NEXT: bb:
; CHECK-NEXT: [[V_1:%.*]] = load <4 x double>, <4 x double>* [[PTR_1:%.*]], align 8
; CHECK-NEXT: [[V1_LANE_1:%.*]] = extractelement <4 x double> [[V_1]], i32 1
; CHECK-NEXT: [[V1_LANE_2:%.*]] = extractelement <4 x double> [[V_1]], i32 2
; CHECK-NEXT: [[V_2:%.*]] = load <4 x double>, <4 x double>* [[PTR_2:%.*]], align 16
; CHECK-NEXT: [[V2_LANE_2:%.*]] = extractelement <4 x double> [[V_2]], i32 2
; CHECK-NEXT: [[A_LANE_0:%.*]] = fmul double [[V1_LANE_1]], [[V2_LANE_2]]
; CHECK-NEXT: [[A_LANE_1:%.*]] = fmul double [[V1_LANE_2]], [[V2_LANE_2]]
; CHECK-NEXT: [[A_INS_0:%.*]] = insertelement <4 x double> undef, double [[A_LANE_0]], i32 0
; CHECK-NEXT: [[A_INS_1:%.*]] = insertelement <4 x double> [[A_INS_0]], double [[A_LANE_1]], i32 1
; CHECK-NEXT: call void @use(double [[V1_LANE_1]])
; CHECK-NEXT: call void @use(double [[V1_LANE_2]])
; CHECK-NEXT: store <4 x double> [[A_INS_1]], <4 x double>* [[PTR_1]], align 8
; CHECK-NEXT: ret void
;
bb:
%v.1 = load <4 x double>, <4 x double>* %ptr.1, align 8
%v1.lane.1 = extractelement <4 x double> %v.1, i32 1
%v1.lane.2 = extractelement <4 x double> %v.1, i32 2
%v.2 = load <4 x double>, <4 x double>* %ptr.2, align 16
%v2.lane.2 = extractelement <4 x double> %v.2, i32 2
%a.lane.0 = fmul double %v1.lane.1, %v2.lane.2
%a.lane.1 = fmul double %v1.lane.2, %v2.lane.2
%a.ins.0 = insertelement <4 x double> undef, double %a.lane.0, i32 0
%a.ins.1 = insertelement <4 x double> %a.ins.0, double %a.lane.1, i32 1
call void @use(double %v1.lane.1)
call void @use(double %v1.lane.2)
store <4 x double> %a.ins.1, <4 x double>* %ptr.1, align 8
ret void
}
; More complex case where the extracted lanes are directly from a vector
; register on AArch64 and should be considered free, because we can
; directly use the source vector register.
define void @noop_extracts_existing_vector_4_lanes(<9 x double>* %ptr.1, <4 x double>* %ptr.2) {
; CHECK-LABEL: @noop_extracts_existing_vector_4_lanes(
; CHECK-NEXT: bb:
; CHECK-NEXT: [[V_1:%.*]] = load <9 x double>, <9 x double>* [[PTR_1:%.*]], align 8
; CHECK-NEXT: [[V1_LANE_0:%.*]] = extractelement <9 x double> [[V_1]], i32 0
; CHECK-NEXT: [[V1_LANE_1:%.*]] = extractelement <9 x double> [[V_1]], i32 1
; CHECK-NEXT: [[V1_LANE_2:%.*]] = extractelement <9 x double> [[V_1]], i32 2
; CHECK-NEXT: [[V1_LANE_3:%.*]] = extractelement <9 x double> [[V_1]], i32 3
; CHECK-NEXT: [[V_2:%.*]] = load <4 x double>, <4 x double>* [[PTR_2:%.*]], align 16
; CHECK-NEXT: [[V2_LANE_0:%.*]] = extractelement <4 x double> [[V_2]], i32 0
; CHECK-NEXT: [[V2_LANE_1:%.*]] = extractelement <4 x double> [[V_2]], i32 1
; CHECK-NEXT: [[V2_LANE_2:%.*]] = extractelement <4 x double> [[V_2]], i32 2
; CHECK-NEXT: [[TMP0:%.*]] = insertelement <4 x double> poison, double [[V1_LANE_2]], i32 0
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <4 x double> [[TMP0]], double [[V1_LANE_3]], i32 1
; CHECK-NEXT: [[TMP2:%.*]] = insertelement <4 x double> [[TMP1]], double [[V1_LANE_0]], i32 2
; CHECK-NEXT: [[TMP3:%.*]] = insertelement <4 x double> [[TMP2]], double [[V1_LANE_1]], i32 3
; CHECK-NEXT: [[TMP4:%.*]] = insertelement <2 x double> poison, double [[V2_LANE_2]], i32 0
; CHECK-NEXT: [[TMP5:%.*]] = insertelement <2 x double> [[TMP4]], double [[V2_LANE_0]], i32 1
; CHECK-NEXT: [[SHUFFLE:%.*]] = shufflevector <2 x double> [[TMP5]], <2 x double> poison, <4 x i32> <i32 0, i32 0, i32 0, i32 1>
; CHECK-NEXT: [[TMP6:%.*]] = fmul <4 x double> [[TMP3]], [[SHUFFLE]]
; CHECK-NEXT: [[TMP7:%.*]] = extractelement <4 x double> [[TMP6]], i32 0
; CHECK-NEXT: [[A_INS_0:%.*]] = insertelement <9 x double> undef, double [[TMP7]], i32 0
; CHECK-NEXT: [[TMP8:%.*]] = extractelement <4 x double> [[TMP6]], i32 1
; CHECK-NEXT: [[A_INS_1:%.*]] = insertelement <9 x double> [[A_INS_0]], double [[TMP8]], i32 1
; CHECK-NEXT: [[TMP9:%.*]] = extractelement <4 x double> [[TMP6]], i32 2
; CHECK-NEXT: [[A_INS_2:%.*]] = insertelement <9 x double> [[A_INS_1]], double [[TMP9]], i32 2
; CHECK-NEXT: [[TMP10:%.*]] = extractelement <4 x double> [[TMP6]], i32 3
; CHECK-NEXT: [[A_INS_3:%.*]] = insertelement <9 x double> [[A_INS_2]], double [[TMP10]], i32 3
; CHECK-NEXT: call void @use(double [[V1_LANE_0]])
; CHECK-NEXT: call void @use(double [[V1_LANE_1]])
; CHECK-NEXT: call void @use(double [[V1_LANE_2]])
; CHECK-NEXT: call void @use(double [[V1_LANE_3]])
; CHECK-NEXT: store <9 x double> [[A_INS_3]], <9 x double>* [[PTR_1]], align 8
; CHECK-NEXT: ret void
;
bb:
%v.1 = load <9 x double>, <9 x double>* %ptr.1, align 8
%v1.lane.0 = extractelement <9 x double> %v.1, i32 0
%v1.lane.1 = extractelement <9 x double> %v.1, i32 1
%v1.lane.2 = extractelement <9 x double> %v.1, i32 2
%v1.lane.3 = extractelement <9 x double> %v.1, i32 3
%v.2 = load <4 x double>, <4 x double>* %ptr.2, align 16
%v2.lane.0 = extractelement <4 x double> %v.2, i32 0
%v2.lane.1 = extractelement <4 x double> %v.2, i32 1
%v2.lane.2 = extractelement <4 x double> %v.2, i32 2
%a.lane.0 = fmul double %v1.lane.2, %v2.lane.2
%a.lane.1 = fmul double %v1.lane.3, %v2.lane.2
%a.lane.2 = fmul double %v1.lane.0, %v2.lane.2
%a.lane.3 = fmul double %v1.lane.1, %v2.lane.0
%a.ins.0 = insertelement <9 x double> undef, double %a.lane.0, i32 0
%a.ins.1 = insertelement <9 x double> %a.ins.0, double %a.lane.1, i32 1
%a.ins.2 = insertelement <9 x double> %a.ins.1, double %a.lane.2, i32 2
%a.ins.3 = insertelement <9 x double> %a.ins.2, double %a.lane.3, i32 3
call void @use(double %v1.lane.0)
call void @use(double %v1.lane.1)
call void @use(double %v1.lane.2)
call void @use(double %v1.lane.3)
store <9 x double> %a.ins.3, <9 x double>* %ptr.1, align 8
ret void
}
; Extracted lanes are not used in the right order, so we cannot reuse the
; source vector registers directly.
define void @extracts_jumbled_4_lanes(<9 x double>* %ptr.1, <4 x double>* %ptr.2) {
; CHECK-LABEL: @extracts_jumbled_4_lanes(
; CHECK-NEXT: bb:
; CHECK-NEXT: [[V_1:%.*]] = load <9 x double>, <9 x double>* [[PTR_1:%.*]], align 8
; CHECK-NEXT: [[V1_LANE_0:%.*]] = extractelement <9 x double> [[V_1]], i32 0
; CHECK-NEXT: [[V1_LANE_1:%.*]] = extractelement <9 x double> [[V_1]], i32 1
; CHECK-NEXT: [[V1_LANE_2:%.*]] = extractelement <9 x double> [[V_1]], i32 2
; CHECK-NEXT: [[V1_LANE_3:%.*]] = extractelement <9 x double> [[V_1]], i32 3
; CHECK-NEXT: [[V_2:%.*]] = load <4 x double>, <4 x double>* [[PTR_2:%.*]], align 16
; CHECK-NEXT: [[V2_LANE_0:%.*]] = extractelement <4 x double> [[V_2]], i32 0
; CHECK-NEXT: [[V2_LANE_1:%.*]] = extractelement <4 x double> [[V_2]], i32 1
; CHECK-NEXT: [[V2_LANE_2:%.*]] = extractelement <4 x double> [[V_2]], i32 2
; CHECK-NEXT: [[A_LANE_0:%.*]] = fmul double [[V1_LANE_0]], [[V2_LANE_2]]
; CHECK-NEXT: [[TMP0:%.*]] = insertelement <2 x double> poison, double [[V1_LANE_2]], i32 0
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <2 x double> [[TMP0]], double [[V1_LANE_1]], i32 1
; CHECK-NEXT: [[TMP2:%.*]] = insertelement <2 x double> poison, double [[V2_LANE_1]], i32 0
; CHECK-NEXT: [[TMP3:%.*]] = insertelement <2 x double> [[TMP2]], double [[V2_LANE_2]], i32 1
; CHECK-NEXT: [[TMP4:%.*]] = fmul <2 x double> [[TMP1]], [[TMP3]]
; CHECK-NEXT: [[A_LANE_3:%.*]] = fmul double [[V1_LANE_3]], [[V2_LANE_0]]
; CHECK-NEXT: [[A_INS_0:%.*]] = insertelement <9 x double> undef, double [[A_LANE_0]], i32 0
; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x double> [[TMP4]], i32 0
; CHECK-NEXT: [[A_INS_1:%.*]] = insertelement <9 x double> [[A_INS_0]], double [[TMP5]], i32 1
; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x double> [[TMP4]], i32 1
; CHECK-NEXT: [[A_INS_2:%.*]] = insertelement <9 x double> [[A_INS_1]], double [[TMP6]], i32 2
; CHECK-NEXT: [[A_INS_3:%.*]] = insertelement <9 x double> [[A_INS_2]], double [[A_LANE_3]], i32 3
; CHECK-NEXT: call void @use(double [[V1_LANE_0]])
; CHECK-NEXT: call void @use(double [[V1_LANE_1]])
; CHECK-NEXT: call void @use(double [[V1_LANE_2]])
; CHECK-NEXT: call void @use(double [[V1_LANE_3]])
; CHECK-NEXT: store <9 x double> [[A_INS_3]], <9 x double>* [[PTR_1]], align 8
; CHECK-NEXT: ret void
;
bb:
%v.1 = load <9 x double>, <9 x double>* %ptr.1, align 8
%v1.lane.0 = extractelement <9 x double> %v.1, i32 0
%v1.lane.1 = extractelement <9 x double> %v.1, i32 1
%v1.lane.2 = extractelement <9 x double> %v.1, i32 2
%v1.lane.3 = extractelement <9 x double> %v.1, i32 3
%v.2 = load <4 x double>, <4 x double>* %ptr.2, align 16
%v2.lane.0 = extractelement <4 x double> %v.2, i32 0
%v2.lane.1 = extractelement <4 x double> %v.2, i32 1
%v2.lane.2 = extractelement <4 x double> %v.2, i32 2
%a.lane.0 = fmul double %v1.lane.0, %v2.lane.2
%a.lane.1 = fmul double %v1.lane.2, %v2.lane.1
%a.lane.2 = fmul double %v1.lane.1, %v2.lane.2
%a.lane.3 = fmul double %v1.lane.3, %v2.lane.0
%a.ins.0 = insertelement <9 x double> undef, double %a.lane.0, i32 0
%a.ins.1 = insertelement <9 x double> %a.ins.0, double %a.lane.1, i32 1
%a.ins.2 = insertelement <9 x double> %a.ins.1, double %a.lane.2, i32 2
%a.ins.3 = insertelement <9 x double> %a.ins.2, double %a.lane.3, i32 3
call void @use(double %v1.lane.0)
call void @use(double %v1.lane.1)
call void @use(double %v1.lane.2)
call void @use(double %v1.lane.3)
store <9 x double> %a.ins.3, <9 x double>* %ptr.1, align 8
ret void
}
; Even more complex case where the extracted lanes are directly from a vector
; register on AArch64 and should be considered free, because we can
; directly use the source vector register.
define void @noop_extracts_9_lanes(<9 x double>* %ptr.1, <4 x double>* %ptr.2) {
; CHECK-LABEL: @noop_extracts_9_lanes(
; CHECK-NEXT: bb:
; CHECK-NEXT: [[V_1:%.*]] = load <9 x double>, <9 x double>* [[PTR_1:%.*]], align 8
; CHECK-NEXT: [[V1_LANE_0:%.*]] = extractelement <9 x double> [[V_1]], i32 0
; CHECK-NEXT: [[V1_LANE_1:%.*]] = extractelement <9 x double> [[V_1]], i32 1
; CHECK-NEXT: [[V1_LANE_2:%.*]] = extractelement <9 x double> [[V_1]], i32 2
; CHECK-NEXT: [[V1_LANE_3:%.*]] = extractelement <9 x double> [[V_1]], i32 3
; CHECK-NEXT: [[V1_LANE_4:%.*]] = extractelement <9 x double> [[V_1]], i32 4
; CHECK-NEXT: [[V1_LANE_5:%.*]] = extractelement <9 x double> [[V_1]], i32 5
; CHECK-NEXT: [[V1_LANE_6:%.*]] = extractelement <9 x double> [[V_1]], i32 6
; CHECK-NEXT: [[V1_LANE_7:%.*]] = extractelement <9 x double> [[V_1]], i32 7
; CHECK-NEXT: [[V1_LANE_8:%.*]] = extractelement <9 x double> [[V_1]], i32 8
; CHECK-NEXT: [[V_2:%.*]] = load <4 x double>, <4 x double>* [[PTR_2:%.*]], align 16
; CHECK-NEXT: [[V2_LANE_0:%.*]] = extractelement <4 x double> [[V_2]], i32 0
; CHECK-NEXT: [[V2_LANE_1:%.*]] = extractelement <4 x double> [[V_2]], i32 1
; CHECK-NEXT: [[V2_LANE_2:%.*]] = extractelement <4 x double> [[V_2]], i32 2
; CHECK-NEXT: [[TMP0:%.*]] = insertelement <8 x double> poison, double [[V1_LANE_3]], i32 0
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <8 x double> [[TMP0]], double [[V1_LANE_4]], i32 1
; CHECK-NEXT: [[TMP2:%.*]] = insertelement <8 x double> [[TMP1]], double [[V1_LANE_5]], i32 2
; CHECK-NEXT: [[TMP3:%.*]] = insertelement <8 x double> [[TMP2]], double [[V1_LANE_6]], i32 3
; CHECK-NEXT: [[TMP4:%.*]] = insertelement <8 x double> [[TMP3]], double [[V1_LANE_7]], i32 4
; CHECK-NEXT: [[TMP5:%.*]] = insertelement <8 x double> [[TMP4]], double [[V1_LANE_8]], i32 5
; CHECK-NEXT: [[TMP6:%.*]] = insertelement <8 x double> [[TMP5]], double [[V1_LANE_0]], i32 6
; CHECK-NEXT: [[TMP7:%.*]] = insertelement <8 x double> [[TMP6]], double [[V1_LANE_1]], i32 7
; CHECK-NEXT: [[TMP8:%.*]] = insertelement <8 x double> poison, double [[V2_LANE_0]], i32 0
; CHECK-NEXT: [[TMP9:%.*]] = insertelement <8 x double> [[TMP8]], double [[V2_LANE_2]], i32 1
; CHECK-NEXT: [[TMP10:%.*]] = insertelement <8 x double> [[TMP9]], double [[V2_LANE_1]], i32 2
; CHECK-NEXT: [[TMP11:%.*]] = insertelement <8 x double> [[TMP10]], double [[V2_LANE_0]], i32 3
; CHECK-NEXT: [[TMP12:%.*]] = insertelement <8 x double> [[TMP11]], double [[V2_LANE_2]], i32 4
; CHECK-NEXT: [[TMP13:%.*]] = insertelement <8 x double> [[TMP12]], double [[V2_LANE_0]], i32 5
; CHECK-NEXT: [[TMP14:%.*]] = insertelement <8 x double> [[TMP13]], double [[V2_LANE_2]], i32 6
; CHECK-NEXT: [[TMP15:%.*]] = insertelement <8 x double> [[TMP14]], double [[V2_LANE_1]], i32 7
; CHECK-NEXT: [[TMP16:%.*]] = fmul <8 x double> [[TMP7]], [[TMP15]]
; CHECK-NEXT: [[A_LANE_8:%.*]] = fmul double [[V1_LANE_2]], [[V2_LANE_0]]
; CHECK-NEXT: [[TMP17:%.*]] = extractelement <8 x double> [[TMP16]], i32 0
; CHECK-NEXT: [[A_INS_0:%.*]] = insertelement <9 x double> undef, double [[TMP17]], i32 0
; CHECK-NEXT: [[TMP18:%.*]] = extractelement <8 x double> [[TMP16]], i32 1
; CHECK-NEXT: [[A_INS_1:%.*]] = insertelement <9 x double> [[A_INS_0]], double [[TMP18]], i32 1
; CHECK-NEXT: [[TMP19:%.*]] = extractelement <8 x double> [[TMP16]], i32 2
; CHECK-NEXT: [[A_INS_2:%.*]] = insertelement <9 x double> [[A_INS_1]], double [[TMP19]], i32 2
; CHECK-NEXT: [[TMP20:%.*]] = extractelement <8 x double> [[TMP16]], i32 3
; CHECK-NEXT: [[A_INS_3:%.*]] = insertelement <9 x double> [[A_INS_2]], double [[TMP20]], i32 3
; CHECK-NEXT: [[TMP21:%.*]] = extractelement <8 x double> [[TMP16]], i32 4
; CHECK-NEXT: [[A_INS_4:%.*]] = insertelement <9 x double> [[A_INS_3]], double [[TMP21]], i32 4
; CHECK-NEXT: [[TMP22:%.*]] = extractelement <8 x double> [[TMP16]], i32 5
; CHECK-NEXT: [[A_INS_5:%.*]] = insertelement <9 x double> [[A_INS_4]], double [[TMP22]], i32 5
; CHECK-NEXT: [[TMP23:%.*]] = extractelement <8 x double> [[TMP16]], i32 6
; CHECK-NEXT: [[A_INS_6:%.*]] = insertelement <9 x double> [[A_INS_5]], double [[TMP23]], i32 6
; CHECK-NEXT: [[TMP24:%.*]] = extractelement <8 x double> [[TMP16]], i32 7
; CHECK-NEXT: [[A_INS_7:%.*]] = insertelement <9 x double> [[A_INS_6]], double [[TMP24]], i32 7
; CHECK-NEXT: [[A_INS_8:%.*]] = insertelement <9 x double> [[A_INS_7]], double [[A_LANE_8]], i32 8
; CHECK-NEXT: [[TMP25:%.*]] = insertelement <8 x double> poison, double [[V1_LANE_6]], i32 0
; CHECK-NEXT: [[TMP26:%.*]] = insertelement <8 x double> [[TMP25]], double [[V1_LANE_7]], i32 1
; CHECK-NEXT: [[TMP27:%.*]] = insertelement <8 x double> [[TMP26]], double [[V1_LANE_8]], i32 2
; CHECK-NEXT: [[TMP28:%.*]] = insertelement <8 x double> [[TMP27]], double [[V1_LANE_0]], i32 3
; CHECK-NEXT: [[TMP29:%.*]] = insertelement <8 x double> [[TMP28]], double [[V1_LANE_1]], i32 4
; CHECK-NEXT: [[TMP30:%.*]] = insertelement <8 x double> [[TMP29]], double [[V1_LANE_2]], i32 5
; CHECK-NEXT: [[TMP31:%.*]] = insertelement <8 x double> [[TMP30]], double [[V1_LANE_3]], i32 6
; CHECK-NEXT: [[TMP32:%.*]] = insertelement <8 x double> [[TMP31]], double [[V1_LANE_4]], i32 7
; CHECK-NEXT: [[TMP33:%.*]] = insertelement <8 x double> poison, double [[V2_LANE_2]], i32 0
; CHECK-NEXT: [[TMP34:%.*]] = insertelement <8 x double> [[TMP33]], double [[V2_LANE_1]], i32 1
; CHECK-NEXT: [[TMP35:%.*]] = insertelement <8 x double> [[TMP34]], double [[V2_LANE_0]], i32 2
; CHECK-NEXT: [[TMP36:%.*]] = insertelement <8 x double> [[TMP35]], double [[V2_LANE_2]], i32 3
; CHECK-NEXT: [[TMP37:%.*]] = insertelement <8 x double> [[TMP36]], double [[V2_LANE_1]], i32 4
; CHECK-NEXT: [[TMP38:%.*]] = insertelement <8 x double> [[TMP37]], double [[V2_LANE_0]], i32 5
; CHECK-NEXT: [[TMP39:%.*]] = insertelement <8 x double> [[TMP38]], double [[V2_LANE_2]], i32 6
; CHECK-NEXT: [[TMP40:%.*]] = insertelement <8 x double> [[TMP39]], double [[V2_LANE_1]], i32 7
; CHECK-NEXT: [[TMP41:%.*]] = fmul <8 x double> [[TMP32]], [[TMP40]]
; CHECK-NEXT: [[B_LANE_8:%.*]] = fmul double [[V1_LANE_5]], [[V2_LANE_0]]
; CHECK-NEXT: [[TMP42:%.*]] = extractelement <8 x double> [[TMP41]], i32 0
; CHECK-NEXT: [[B_INS_0:%.*]] = insertelement <9 x double> undef, double [[TMP42]], i32 0
; CHECK-NEXT: [[TMP43:%.*]] = extractelement <8 x double> [[TMP41]], i32 1
; CHECK-NEXT: [[B_INS_1:%.*]] = insertelement <9 x double> [[B_INS_0]], double [[TMP43]], i32 1
; CHECK-NEXT: [[TMP44:%.*]] = extractelement <8 x double> [[TMP41]], i32 2
; CHECK-NEXT: [[B_INS_2:%.*]] = insertelement <9 x double> [[B_INS_1]], double [[TMP44]], i32 2
; CHECK-NEXT: [[TMP45:%.*]] = extractelement <8 x double> [[TMP41]], i32 3
; CHECK-NEXT: [[B_INS_3:%.*]] = insertelement <9 x double> [[B_INS_2]], double [[TMP45]], i32 3
; CHECK-NEXT: [[TMP46:%.*]] = extractelement <8 x double> [[TMP41]], i32 4
; CHECK-NEXT: [[B_INS_4:%.*]] = insertelement <9 x double> [[B_INS_3]], double [[TMP46]], i32 4
; CHECK-NEXT: [[TMP47:%.*]] = extractelement <8 x double> [[TMP41]], i32 5
; CHECK-NEXT: [[B_INS_5:%.*]] = insertelement <9 x double> [[B_INS_4]], double [[TMP47]], i32 5
; CHECK-NEXT: [[TMP48:%.*]] = extractelement <8 x double> [[TMP41]], i32 6
; CHECK-NEXT: [[B_INS_6:%.*]] = insertelement <9 x double> [[B_INS_5]], double [[TMP48]], i32 6
; CHECK-NEXT: [[TMP49:%.*]] = extractelement <8 x double> [[TMP41]], i32 7
; CHECK-NEXT: [[B_INS_7:%.*]] = insertelement <9 x double> [[B_INS_6]], double [[TMP49]], i32 7
; CHECK-NEXT: [[B_INS_8:%.*]] = insertelement <9 x double> [[B_INS_7]], double [[B_LANE_8]], i32 8
; CHECK-NEXT: [[RES:%.*]] = fsub <9 x double> [[A_INS_8]], [[B_INS_8]]
; CHECK-NEXT: store <9 x double> [[RES]], <9 x double>* [[PTR_1]], align 8
; CHECK-NEXT: ret void
;
bb:
%v.1 = load <9 x double>, <9 x double>* %ptr.1, align 8
%v1.lane.0 = extractelement <9 x double> %v.1, i32 0
%v1.lane.1 = extractelement <9 x double> %v.1, i32 1
%v1.lane.2 = extractelement <9 x double> %v.1, i32 2
%v1.lane.3 = extractelement <9 x double> %v.1, i32 3
%v1.lane.4 = extractelement <9 x double> %v.1, i32 4
%v1.lane.5 = extractelement <9 x double> %v.1, i32 5
%v1.lane.6 = extractelement <9 x double> %v.1, i32 6
%v1.lane.7 = extractelement <9 x double> %v.1, i32 7
%v1.lane.8 = extractelement <9 x double> %v.1, i32 8
%v.2 = load <4 x double>, <4 x double>* %ptr.2, align 16
%v2.lane.0 = extractelement <4 x double> %v.2, i32 0
%v2.lane.1 = extractelement <4 x double> %v.2, i32 1
%v2.lane.2 = extractelement <4 x double> %v.2, i32 2
%a.lane.0 = fmul double %v1.lane.3, %v2.lane.0
%a.lane.1 = fmul double %v1.lane.4, %v2.lane.2
%a.lane.2 = fmul double %v1.lane.5, %v2.lane.1
%a.lane.3 = fmul double %v1.lane.6, %v2.lane.0
%a.lane.4 = fmul double %v1.lane.7, %v2.lane.2
%a.lane.5 = fmul double %v1.lane.8, %v2.lane.0
%a.lane.6 = fmul double %v1.lane.0, %v2.lane.2
%a.lane.7 = fmul double %v1.lane.1, %v2.lane.1
%a.lane.8 = fmul double %v1.lane.2, %v2.lane.0
%a.ins.0 = insertelement <9 x double> undef, double %a.lane.0, i32 0
%a.ins.1 = insertelement <9 x double> %a.ins.0, double %a.lane.1, i32 1
%a.ins.2 = insertelement <9 x double> %a.ins.1, double %a.lane.2, i32 2
%a.ins.3 = insertelement <9 x double> %a.ins.2, double %a.lane.3, i32 3
%a.ins.4 = insertelement <9 x double> %a.ins.3, double %a.lane.4, i32 4
%a.ins.5 = insertelement <9 x double> %a.ins.4, double %a.lane.5, i32 5
%a.ins.6 = insertelement <9 x double> %a.ins.5, double %a.lane.6, i32 6
%a.ins.7 = insertelement <9 x double> %a.ins.6, double %a.lane.7, i32 7
%a.ins.8 = insertelement <9 x double> %a.ins.7, double %a.lane.8, i32 8
%b.lane.0 = fmul double %v1.lane.6, %v2.lane.2
%b.lane.1 = fmul double %v1.lane.7, %v2.lane.1
%b.lane.2 = fmul double %v1.lane.8, %v2.lane.0
%b.lane.3 = fmul double %v1.lane.0, %v2.lane.2
%b.lane.4 = fmul double %v1.lane.1, %v2.lane.1
%b.lane.5 = fmul double %v1.lane.2, %v2.lane.0
%b.lane.6 = fmul double %v1.lane.3, %v2.lane.2
%b.lane.7 = fmul double %v1.lane.4, %v2.lane.1
%b.lane.8 = fmul double %v1.lane.5, %v2.lane.0
%b.ins.0 = insertelement <9 x double> undef, double %b.lane.0, i32 0
%b.ins.1 = insertelement <9 x double> %b.ins.0, double %b.lane.1, i32 1
%b.ins.2 = insertelement <9 x double> %b.ins.1, double %b.lane.2, i32 2
%b.ins.3 = insertelement <9 x double> %b.ins.2, double %b.lane.3, i32 3
%b.ins.4 = insertelement <9 x double> %b.ins.3, double %b.lane.4, i32 4
%b.ins.5 = insertelement <9 x double> %b.ins.4, double %b.lane.5, i32 5
%b.ins.6 = insertelement <9 x double> %b.ins.5, double %b.lane.6, i32 6
%b.ins.7 = insertelement <9 x double> %b.ins.6, double %b.lane.7, i32 7
%b.ins.8 = insertelement <9 x double> %b.ins.7, double %b.lane.8, i32 8
%res = fsub <9 x double> %a.ins.8, %b.ins.8
store <9 x double> %res, <9 x double>* %ptr.1, align 8
ret void
}
; Extracted lanes used in first fmul chain are not used in the right order, so
; we cannot reuse the source vector registers directly.
define void @first_mul_chain_jumbled(<9 x double>* %ptr.1, <4 x double>* %ptr.2) {
; CHECK-LABEL: @first_mul_chain_jumbled(
; CHECK-NEXT: bb:
; CHECK-NEXT: [[V_1:%.*]] = load <9 x double>, <9 x double>* [[PTR_1:%.*]], align 8
; CHECK-NEXT: [[V1_LANE_0:%.*]] = extractelement <9 x double> [[V_1]], i32 0
; CHECK-NEXT: [[V1_LANE_1:%.*]] = extractelement <9 x double> [[V_1]], i32 1
; CHECK-NEXT: [[V1_LANE_2:%.*]] = extractelement <9 x double> [[V_1]], i32 2
; CHECK-NEXT: [[V1_LANE_3:%.*]] = extractelement <9 x double> [[V_1]], i32 3
; CHECK-NEXT: [[V1_LANE_4:%.*]] = extractelement <9 x double> [[V_1]], i32 4
; CHECK-NEXT: [[V1_LANE_5:%.*]] = extractelement <9 x double> [[V_1]], i32 5
; CHECK-NEXT: [[V1_LANE_6:%.*]] = extractelement <9 x double> [[V_1]], i32 6
; CHECK-NEXT: [[V1_LANE_7:%.*]] = extractelement <9 x double> [[V_1]], i32 7
; CHECK-NEXT: [[V1_LANE_8:%.*]] = extractelement <9 x double> [[V_1]], i32 8
; CHECK-NEXT: [[V_2:%.*]] = load <4 x double>, <4 x double>* [[PTR_2:%.*]], align 16
; CHECK-NEXT: [[V2_LANE_0:%.*]] = extractelement <4 x double> [[V_2]], i32 0
; CHECK-NEXT: [[V2_LANE_1:%.*]] = extractelement <4 x double> [[V_2]], i32 1
; CHECK-NEXT: [[V2_LANE_2:%.*]] = extractelement <4 x double> [[V_2]], i32 2
; CHECK-NEXT: [[A_LANE_0:%.*]] = fmul double [[V1_LANE_4]], [[V2_LANE_1]]
; CHECK-NEXT: [[A_LANE_1:%.*]] = fmul double [[V1_LANE_3]], [[V2_LANE_0]]
; CHECK-NEXT: [[A_LANE_2:%.*]] = fmul double [[V1_LANE_6]], [[V2_LANE_2]]
; CHECK-NEXT: [[A_LANE_3:%.*]] = fmul double [[V1_LANE_5]], [[V2_LANE_0]]
; CHECK-NEXT: [[A_LANE_4:%.*]] = fmul double [[V1_LANE_8]], [[V2_LANE_2]]
; CHECK-NEXT: [[A_LANE_5:%.*]] = fmul double [[V1_LANE_7]], [[V2_LANE_1]]
; CHECK-NEXT: [[A_LANE_6:%.*]] = fmul double [[V1_LANE_1]], [[V2_LANE_0]]
; CHECK-NEXT: [[A_LANE_7:%.*]] = fmul double [[V1_LANE_0]], [[V2_LANE_2]]
; CHECK-NEXT: [[A_LANE_8:%.*]] = fmul double [[V1_LANE_2]], [[V2_LANE_1]]
; CHECK-NEXT: [[A_INS_0:%.*]] = insertelement <9 x double> undef, double [[A_LANE_0]], i32 0
; CHECK-NEXT: [[A_INS_1:%.*]] = insertelement <9 x double> [[A_INS_0]], double [[A_LANE_1]], i32 1
; CHECK-NEXT: [[A_INS_2:%.*]] = insertelement <9 x double> [[A_INS_1]], double [[A_LANE_2]], i32 2
; CHECK-NEXT: [[A_INS_3:%.*]] = insertelement <9 x double> [[A_INS_2]], double [[A_LANE_3]], i32 3
; CHECK-NEXT: [[A_INS_4:%.*]] = insertelement <9 x double> [[A_INS_3]], double [[A_LANE_4]], i32 4
; CHECK-NEXT: [[A_INS_5:%.*]] = insertelement <9 x double> [[A_INS_4]], double [[A_LANE_5]], i32 5
; CHECK-NEXT: [[A_INS_6:%.*]] = insertelement <9 x double> [[A_INS_5]], double [[A_LANE_6]], i32 6
; CHECK-NEXT: [[A_INS_7:%.*]] = insertelement <9 x double> [[A_INS_6]], double [[A_LANE_7]], i32 7
; CHECK-NEXT: [[A_INS_8:%.*]] = insertelement <9 x double> [[A_INS_7]], double [[A_LANE_8]], i32 8
; CHECK-NEXT: [[TMP0:%.*]] = insertelement <8 x double> poison, double [[V1_LANE_6]], i32 0
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <8 x double> [[TMP0]], double [[V1_LANE_7]], i32 1
; CHECK-NEXT: [[TMP2:%.*]] = insertelement <8 x double> [[TMP1]], double [[V1_LANE_8]], i32 2
; CHECK-NEXT: [[TMP3:%.*]] = insertelement <8 x double> [[TMP2]], double [[V1_LANE_0]], i32 3
; CHECK-NEXT: [[TMP4:%.*]] = insertelement <8 x double> [[TMP3]], double [[V1_LANE_1]], i32 4
; CHECK-NEXT: [[TMP5:%.*]] = insertelement <8 x double> [[TMP4]], double [[V1_LANE_2]], i32 5
; CHECK-NEXT: [[TMP6:%.*]] = insertelement <8 x double> [[TMP5]], double [[V1_LANE_3]], i32 6
; CHECK-NEXT: [[TMP7:%.*]] = insertelement <8 x double> [[TMP6]], double [[V1_LANE_4]], i32 7
; CHECK-NEXT: [[TMP8:%.*]] = insertelement <8 x double> poison, double [[V2_LANE_1]], i32 0
; CHECK-NEXT: [[TMP9:%.*]] = insertelement <8 x double> [[TMP8]], double [[V2_LANE_0]], i32 1
; CHECK-NEXT: [[TMP10:%.*]] = insertelement <8 x double> [[TMP9]], double [[V2_LANE_2]], i32 2
; CHECK-NEXT: [[TMP11:%.*]] = insertelement <8 x double> [[TMP10]], double [[V2_LANE_0]], i32 3
; CHECK-NEXT: [[TMP12:%.*]] = insertelement <8 x double> [[TMP11]], double [[V2_LANE_2]], i32 4
; CHECK-NEXT: [[TMP13:%.*]] = insertelement <8 x double> [[TMP12]], double [[V2_LANE_1]], i32 5
; CHECK-NEXT: [[TMP14:%.*]] = insertelement <8 x double> [[TMP13]], double [[V2_LANE_0]], i32 6
; CHECK-NEXT: [[TMP15:%.*]] = insertelement <8 x double> [[TMP14]], double [[V2_LANE_2]], i32 7
; CHECK-NEXT: [[TMP16:%.*]] = fmul <8 x double> [[TMP7]], [[TMP15]]
; CHECK-NEXT: [[B_LANE_8:%.*]] = fmul double [[V1_LANE_5]], [[V2_LANE_0]]
; CHECK-NEXT: [[TMP17:%.*]] = extractelement <8 x double> [[TMP16]], i32 0
; CHECK-NEXT: [[B_INS_0:%.*]] = insertelement <9 x double> undef, double [[TMP17]], i32 0
; CHECK-NEXT: [[TMP18:%.*]] = extractelement <8 x double> [[TMP16]], i32 1
; CHECK-NEXT: [[B_INS_1:%.*]] = insertelement <9 x double> [[B_INS_0]], double [[TMP18]], i32 1
; CHECK-NEXT: [[TMP19:%.*]] = extractelement <8 x double> [[TMP16]], i32 2
; CHECK-NEXT: [[B_INS_2:%.*]] = insertelement <9 x double> [[B_INS_1]], double [[TMP19]], i32 2
; CHECK-NEXT: [[TMP20:%.*]] = extractelement <8 x double> [[TMP16]], i32 3
; CHECK-NEXT: [[B_INS_3:%.*]] = insertelement <9 x double> [[B_INS_2]], double [[TMP20]], i32 3
; CHECK-NEXT: [[TMP21:%.*]] = extractelement <8 x double> [[TMP16]], i32 4
; CHECK-NEXT: [[B_INS_4:%.*]] = insertelement <9 x double> [[B_INS_3]], double [[TMP21]], i32 4
; CHECK-NEXT: [[TMP22:%.*]] = extractelement <8 x double> [[TMP16]], i32 5
; CHECK-NEXT: [[B_INS_5:%.*]] = insertelement <9 x double> [[B_INS_4]], double [[TMP22]], i32 5
; CHECK-NEXT: [[TMP23:%.*]] = extractelement <8 x double> [[TMP16]], i32 6
; CHECK-NEXT: [[B_INS_6:%.*]] = insertelement <9 x double> [[B_INS_5]], double [[TMP23]], i32 6
; CHECK-NEXT: [[TMP24:%.*]] = extractelement <8 x double> [[TMP16]], i32 7
; CHECK-NEXT: [[B_INS_7:%.*]] = insertelement <9 x double> [[B_INS_6]], double [[TMP24]], i32 7
; CHECK-NEXT: [[B_INS_8:%.*]] = insertelement <9 x double> [[B_INS_7]], double [[B_LANE_8]], i32 8
; CHECK-NEXT: [[RES:%.*]] = fsub <9 x double> [[A_INS_8]], [[B_INS_8]]
; CHECK-NEXT: store <9 x double> [[RES]], <9 x double>* [[PTR_1]], align 8
; CHECK-NEXT: ret void
;
bb:
%v.1 = load <9 x double>, <9 x double>* %ptr.1, align 8
%v1.lane.0 = extractelement <9 x double> %v.1, i32 0
%v1.lane.1 = extractelement <9 x double> %v.1, i32 1
%v1.lane.2 = extractelement <9 x double> %v.1, i32 2
%v1.lane.3 = extractelement <9 x double> %v.1, i32 3
%v1.lane.4 = extractelement <9 x double> %v.1, i32 4
%v1.lane.5 = extractelement <9 x double> %v.1, i32 5
%v1.lane.6 = extractelement <9 x double> %v.1, i32 6
%v1.lane.7 = extractelement <9 x double> %v.1, i32 7
%v1.lane.8 = extractelement <9 x double> %v.1, i32 8
%v.2 = load <4 x double>, <4 x double>* %ptr.2, align 16
%v2.lane.0 = extractelement <4 x double> %v.2, i32 0
%v2.lane.1 = extractelement <4 x double> %v.2, i32 1
%v2.lane.2 = extractelement <4 x double> %v.2, i32 2
%a.lane.0 = fmul double %v1.lane.4, %v2.lane.1
%a.lane.1 = fmul double %v1.lane.3, %v2.lane.0
%a.lane.2 = fmul double %v1.lane.6, %v2.lane.2
%a.lane.3 = fmul double %v1.lane.5, %v2.lane.0
%a.lane.4 = fmul double %v1.lane.8, %v2.lane.2
%a.lane.5 = fmul double %v1.lane.7, %v2.lane.1
%a.lane.6 = fmul double %v1.lane.1, %v2.lane.0
%a.lane.7 = fmul double %v1.lane.0, %v2.lane.2
%a.lane.8 = fmul double %v1.lane.2, %v2.lane.1
%a.ins.0 = insertelement <9 x double> undef, double %a.lane.0, i32 0
%a.ins.1 = insertelement <9 x double> %a.ins.0, double %a.lane.1, i32 1
%a.ins.2 = insertelement <9 x double> %a.ins.1, double %a.lane.2, i32 2
%a.ins.3 = insertelement <9 x double> %a.ins.2, double %a.lane.3, i32 3
%a.ins.4 = insertelement <9 x double> %a.ins.3, double %a.lane.4, i32 4
%a.ins.5 = insertelement <9 x double> %a.ins.4, double %a.lane.5, i32 5
%a.ins.6 = insertelement <9 x double> %a.ins.5, double %a.lane.6, i32 6
%a.ins.7 = insertelement <9 x double> %a.ins.6, double %a.lane.7, i32 7
%a.ins.8 = insertelement <9 x double> %a.ins.7, double %a.lane.8, i32 8
%b.lane.0 = fmul double %v1.lane.6, %v2.lane.1
%b.lane.1 = fmul double %v1.lane.7, %v2.lane.0
%b.lane.2 = fmul double %v1.lane.8, %v2.lane.2
%b.lane.3 = fmul double %v1.lane.0, %v2.lane.0
%b.lane.4 = fmul double %v1.lane.1, %v2.lane.2
%b.lane.5 = fmul double %v1.lane.2, %v2.lane.1
%b.lane.6 = fmul double %v1.lane.3, %v2.lane.0
%b.lane.7 = fmul double %v1.lane.4, %v2.lane.2
%b.lane.8 = fmul double %v1.lane.5, %v2.lane.0
%b.ins.0 = insertelement <9 x double> undef, double %b.lane.0, i32 0
%b.ins.1 = insertelement <9 x double> %b.ins.0, double %b.lane.1, i32 1
%b.ins.2 = insertelement <9 x double> %b.ins.1, double %b.lane.2, i32 2
%b.ins.3 = insertelement <9 x double> %b.ins.2, double %b.lane.3, i32 3
%b.ins.4 = insertelement <9 x double> %b.ins.3, double %b.lane.4, i32 4
%b.ins.5 = insertelement <9 x double> %b.ins.4, double %b.lane.5, i32 5
%b.ins.6 = insertelement <9 x double> %b.ins.5, double %b.lane.6, i32 6
%b.ins.7 = insertelement <9 x double> %b.ins.6, double %b.lane.7, i32 7
%b.ins.8 = insertelement <9 x double> %b.ins.7, double %b.lane.8, i32 8
%res = fsub <9 x double> %a.ins.8, %b.ins.8
store <9 x double> %res, <9 x double>* %ptr.1, align 8
ret void
}
; Extracted lanes used in both fmul chain are not used in the right order, so
; we cannot reuse the source vector registers directly.
define void @first_and_second_mul_chain_jumbled(<9 x double>* %ptr.1, <4 x double>* %ptr.2) {
; CHECK-LABEL: @first_and_second_mul_chain_jumbled(
; CHECK-NEXT: bb:
; CHECK-NEXT: [[V_1:%.*]] = load <9 x double>, <9 x double>* [[PTR_1:%.*]], align 8
; CHECK-NEXT: [[V1_LANE_0:%.*]] = extractelement <9 x double> [[V_1]], i32 0
; CHECK-NEXT: [[V1_LANE_1:%.*]] = extractelement <9 x double> [[V_1]], i32 1
; CHECK-NEXT: [[V1_LANE_2:%.*]] = extractelement <9 x double> [[V_1]], i32 2
; CHECK-NEXT: [[V1_LANE_3:%.*]] = extractelement <9 x double> [[V_1]], i32 3
; CHECK-NEXT: [[V1_LANE_4:%.*]] = extractelement <9 x double> [[V_1]], i32 4
; CHECK-NEXT: [[V1_LANE_5:%.*]] = extractelement <9 x double> [[V_1]], i32 5
; CHECK-NEXT: [[V1_LANE_6:%.*]] = extractelement <9 x double> [[V_1]], i32 6
; CHECK-NEXT: [[V1_LANE_7:%.*]] = extractelement <9 x double> [[V_1]], i32 7
; CHECK-NEXT: [[V1_LANE_8:%.*]] = extractelement <9 x double> [[V_1]], i32 8
; CHECK-NEXT: [[V_2:%.*]] = load <4 x double>, <4 x double>* [[PTR_2:%.*]], align 16
; CHECK-NEXT: [[V2_LANE_0:%.*]] = extractelement <4 x double> [[V_2]], i32 0
; CHECK-NEXT: [[V2_LANE_1:%.*]] = extractelement <4 x double> [[V_2]], i32 1
; CHECK-NEXT: [[V2_LANE_2:%.*]] = extractelement <4 x double> [[V_2]], i32 2
; CHECK-NEXT: [[A_LANE_0:%.*]] = fmul double [[V1_LANE_4]], [[V2_LANE_0]]
; CHECK-NEXT: [[A_LANE_1:%.*]] = fmul double [[V1_LANE_3]], [[V2_LANE_2]]
; CHECK-NEXT: [[A_LANE_2:%.*]] = fmul double [[V1_LANE_5]], [[V2_LANE_1]]
; CHECK-NEXT: [[A_LANE_3:%.*]] = fmul double [[V1_LANE_6]], [[V2_LANE_2]]
; CHECK-NEXT: [[A_LANE_4:%.*]] = fmul double [[V1_LANE_8]], [[V2_LANE_1]]
; CHECK-NEXT: [[A_LANE_5:%.*]] = fmul double [[V1_LANE_7]], [[V2_LANE_0]]
; CHECK-NEXT: [[A_LANE_6:%.*]] = fmul double [[V1_LANE_1]], [[V2_LANE_2]]
; CHECK-NEXT: [[A_LANE_7:%.*]] = fmul double [[V1_LANE_0]], [[V2_LANE_1]]
; CHECK-NEXT: [[A_LANE_8:%.*]] = fmul double [[V1_LANE_2]], [[V2_LANE_0]]
; CHECK-NEXT: [[A_INS_0:%.*]] = insertelement <9 x double> undef, double [[A_LANE_0]], i32 0
; CHECK-NEXT: [[A_INS_1:%.*]] = insertelement <9 x double> [[A_INS_0]], double [[A_LANE_1]], i32 1
; CHECK-NEXT: [[A_INS_2:%.*]] = insertelement <9 x double> [[A_INS_1]], double [[A_LANE_2]], i32 2
; CHECK-NEXT: [[A_INS_3:%.*]] = insertelement <9 x double> [[A_INS_2]], double [[A_LANE_3]], i32 3
; CHECK-NEXT: [[A_INS_4:%.*]] = insertelement <9 x double> [[A_INS_3]], double [[A_LANE_4]], i32 4
; CHECK-NEXT: [[A_INS_5:%.*]] = insertelement <9 x double> [[A_INS_4]], double [[A_LANE_5]], i32 5
; CHECK-NEXT: [[A_INS_6:%.*]] = insertelement <9 x double> [[A_INS_5]], double [[A_LANE_6]], i32 6
; CHECK-NEXT: [[A_INS_7:%.*]] = insertelement <9 x double> [[A_INS_6]], double [[A_LANE_7]], i32 7
; CHECK-NEXT: [[A_INS_8:%.*]] = insertelement <9 x double> [[A_INS_7]], double [[A_LANE_8]], i32 8
; CHECK-NEXT: [[B_LANE_0:%.*]] = fmul double [[V1_LANE_7]], [[V2_LANE_2]]
; CHECK-NEXT: [[B_LANE_1:%.*]] = fmul double [[V1_LANE_6]], [[V2_LANE_1]]
; CHECK-NEXT: [[B_LANE_2:%.*]] = fmul double [[V1_LANE_8]], [[V2_LANE_0]]
; CHECK-NEXT: [[B_LANE_3:%.*]] = fmul double [[V1_LANE_1]], [[V2_LANE_2]]
; CHECK-NEXT: [[B_LANE_4:%.*]] = fmul double [[V1_LANE_0]], [[V2_LANE_0]]
; CHECK-NEXT: [[B_LANE_5:%.*]] = fmul double [[V1_LANE_3]], [[V2_LANE_2]]
; CHECK-NEXT: [[B_LANE_6:%.*]] = fmul double [[V1_LANE_2]], [[V2_LANE_1]]
; CHECK-NEXT: [[B_LANE_7:%.*]] = fmul double [[V1_LANE_5]], [[V2_LANE_0]]
; CHECK-NEXT: [[B_LANE_8:%.*]] = fmul double [[V1_LANE_4]], [[V2_LANE_2]]
; CHECK-NEXT: [[B_INS_0:%.*]] = insertelement <9 x double> undef, double [[B_LANE_0]], i32 0
; CHECK-NEXT: [[B_INS_1:%.*]] = insertelement <9 x double> [[B_INS_0]], double [[B_LANE_1]], i32 1
; CHECK-NEXT: [[B_INS_2:%.*]] = insertelement <9 x double> [[B_INS_1]], double [[B_LANE_2]], i32 2
; CHECK-NEXT: [[B_INS_3:%.*]] = insertelement <9 x double> [[B_INS_2]], double [[B_LANE_3]], i32 3
; CHECK-NEXT: [[B_INS_4:%.*]] = insertelement <9 x double> [[B_INS_3]], double [[B_LANE_4]], i32 4
; CHECK-NEXT: [[B_INS_5:%.*]] = insertelement <9 x double> [[B_INS_4]], double [[B_LANE_5]], i32 5
; CHECK-NEXT: [[B_INS_6:%.*]] = insertelement <9 x double> [[B_INS_5]], double [[B_LANE_6]], i32 6
; CHECK-NEXT: [[B_INS_7:%.*]] = insertelement <9 x double> [[B_INS_6]], double [[B_LANE_7]], i32 7
; CHECK-NEXT: [[B_INS_8:%.*]] = insertelement <9 x double> [[B_INS_7]], double [[B_LANE_8]], i32 8
; CHECK-NEXT: [[RES:%.*]] = fsub <9 x double> [[A_INS_8]], [[B_INS_8]]
; CHECK-NEXT: store <9 x double> [[RES]], <9 x double>* [[PTR_1]], align 8
; CHECK-NEXT: ret void
;
bb:
%v.1 = load <9 x double>, <9 x double>* %ptr.1, align 8
%v1.lane.0 = extractelement <9 x double> %v.1, i32 0
%v1.lane.1 = extractelement <9 x double> %v.1, i32 1
%v1.lane.2 = extractelement <9 x double> %v.1, i32 2
%v1.lane.3 = extractelement <9 x double> %v.1, i32 3
%v1.lane.4 = extractelement <9 x double> %v.1, i32 4
%v1.lane.5 = extractelement <9 x double> %v.1, i32 5
%v1.lane.6 = extractelement <9 x double> %v.1, i32 6
%v1.lane.7 = extractelement <9 x double> %v.1, i32 7
%v1.lane.8 = extractelement <9 x double> %v.1, i32 8
%v.2 = load <4 x double>, <4 x double>* %ptr.2, align 16
%v2.lane.0 = extractelement <4 x double> %v.2, i32 0
%v2.lane.1 = extractelement <4 x double> %v.2, i32 1
%v2.lane.2 = extractelement <4 x double> %v.2, i32 2
%a.lane.0 = fmul double %v1.lane.4, %v2.lane.0
%a.lane.1 = fmul double %v1.lane.3, %v2.lane.2
%a.lane.2 = fmul double %v1.lane.5, %v2.lane.1
%a.lane.3 = fmul double %v1.lane.6, %v2.lane.2
%a.lane.4 = fmul double %v1.lane.8, %v2.lane.1
%a.lane.5 = fmul double %v1.lane.7, %v2.lane.0
%a.lane.6 = fmul double %v1.lane.1, %v2.lane.2
%a.lane.7 = fmul double %v1.lane.0, %v2.lane.1
%a.lane.8 = fmul double %v1.lane.2, %v2.lane.0
%a.ins.0 = insertelement <9 x double> undef, double %a.lane.0, i32 0
%a.ins.1 = insertelement <9 x double> %a.ins.0, double %a.lane.1, i32 1
%a.ins.2 = insertelement <9 x double> %a.ins.1, double %a.lane.2, i32 2
%a.ins.3 = insertelement <9 x double> %a.ins.2, double %a.lane.3, i32 3
%a.ins.4 = insertelement <9 x double> %a.ins.3, double %a.lane.4, i32 4
%a.ins.5 = insertelement <9 x double> %a.ins.4, double %a.lane.5, i32 5
%a.ins.6 = insertelement <9 x double> %a.ins.5, double %a.lane.6, i32 6
%a.ins.7 = insertelement <9 x double> %a.ins.6, double %a.lane.7, i32 7
%a.ins.8 = insertelement <9 x double> %a.ins.7, double %a.lane.8, i32 8
%b.lane.0 = fmul double %v1.lane.7, %v2.lane.2
%b.lane.1 = fmul double %v1.lane.6, %v2.lane.1
%b.lane.2 = fmul double %v1.lane.8, %v2.lane.0
%b.lane.3 = fmul double %v1.lane.1, %v2.lane.2
%b.lane.4 = fmul double %v1.lane.0, %v2.lane.0
%b.lane.5 = fmul double %v1.lane.3, %v2.lane.2
%b.lane.6 = fmul double %v1.lane.2, %v2.lane.1
%b.lane.7 = fmul double %v1.lane.5, %v2.lane.0
%b.lane.8 = fmul double %v1.lane.4, %v2.lane.2
%b.ins.0 = insertelement <9 x double> undef, double %b.lane.0, i32 0
%b.ins.1 = insertelement <9 x double> %b.ins.0, double %b.lane.1, i32 1
%b.ins.2 = insertelement <9 x double> %b.ins.1, double %b.lane.2, i32 2
%b.ins.3 = insertelement <9 x double> %b.ins.2, double %b.lane.3, i32 3
%b.ins.4 = insertelement <9 x double> %b.ins.3, double %b.lane.4, i32 4
%b.ins.5 = insertelement <9 x double> %b.ins.4, double %b.lane.5, i32 5
%b.ins.6 = insertelement <9 x double> %b.ins.5, double %b.lane.6, i32 6
%b.ins.7 = insertelement <9 x double> %b.ins.6, double %b.lane.7, i32 7
%b.ins.8 = insertelement <9 x double> %b.ins.7, double %b.lane.8, i32 8
%res = fsub <9 x double> %a.ins.8, %b.ins.8
store <9 x double> %res, <9 x double>* %ptr.1, align 8
ret void
}