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| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -S -slp-vectorizer -instcombine -pass-remarks-output=%t | FileCheck %s
; RUN: cat %t | FileCheck -check-prefix=REMARK %s
; RUN: opt < %s -S -passes='slp-vectorizer,instcombine' -pass-remarks-output=%t | FileCheck %s
; RUN: cat %t | FileCheck -check-prefix=REMARK %s
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
target triple = "aarch64--linux-gnu"
; REMARK-LABEL: Function: gather_multiple_use
; REMARK: Args:
; REMARK-NEXT: - String: 'Vectorized horizontal reduction with cost '
; REMARK-NEXT: - Cost: '-7'
;
define internal i32 @gather_multiple_use(i32 %a, i32 %b, i32 %c, i32 %d) {
; CHECK-LABEL: @gather_multiple_use(
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <4 x i32> undef, i32 [[C:%.*]], i32 0
; CHECK-NEXT: [[TMP2:%.*]] = insertelement <4 x i32> [[TMP1]], i32 [[A:%.*]], i32 1
; CHECK-NEXT: [[TMP3:%.*]] = insertelement <4 x i32> [[TMP2]], i32 [[B:%.*]], i32 2
; CHECK-NEXT: [[TMP4:%.*]] = insertelement <4 x i32> [[TMP3]], i32 [[D:%.*]], i32 3
; CHECK-NEXT: [[TMP5:%.*]] = lshr <4 x i32> [[TMP4]], <i32 15, i32 15, i32 15, i32 15>
; CHECK-NEXT: [[TMP6:%.*]] = and <4 x i32> [[TMP5]], <i32 65537, i32 65537, i32 65537, i32 65537>
; CHECK-NEXT: [[TMP7:%.*]] = mul nuw <4 x i32> [[TMP6]], <i32 65535, i32 65535, i32 65535, i32 65535>
; CHECK-NEXT: [[TMP8:%.*]] = add <4 x i32> [[TMP7]], [[TMP4]]
; CHECK-NEXT: [[TMP9:%.*]] = xor <4 x i32> [[TMP8]], [[TMP7]]
; CHECK-NEXT: [[TMP10:%.*]] = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> [[TMP9]])
; CHECK-NEXT: ret i32 [[TMP10]]
;
%tmp00 = lshr i32 %a, 15
%tmp01 = and i32 %tmp00, 65537
%tmp02 = mul nuw i32 %tmp01, 65535
%tmp03 = add i32 %tmp02, %a
%tmp04 = xor i32 %tmp03, %tmp02
%tmp05 = lshr i32 %c, 15
%tmp06 = and i32 %tmp05, 65537
%tmp07 = mul nuw i32 %tmp06, 65535
%tmp08 = add i32 %tmp07, %c
%tmp09 = xor i32 %tmp08, %tmp07
%tmp10 = lshr i32 %b, 15
%tmp11 = and i32 %tmp10, 65537
%tmp12 = mul nuw i32 %tmp11, 65535
%tmp13 = add i32 %tmp12, %b
%tmp14 = xor i32 %tmp13, %tmp12
%tmp15 = lshr i32 %d, 15
%tmp16 = and i32 %tmp15, 65537
%tmp17 = mul nuw i32 %tmp16, 65535
%tmp18 = add i32 %tmp17, %d
%tmp19 = xor i32 %tmp18, %tmp17
%tmp20 = add i32 %tmp09, %tmp04
%tmp21 = add i32 %tmp20, %tmp14
%tmp22 = add i32 %tmp21, %tmp19
ret i32 %tmp22
}
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