llvm/test/Transforms/SLPVectorizer/X86/reused-extractelements.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=slp-vectorizer -S -o - -mtriple=x86_64-unknown-linux -mcpu=bdver2 -pass-remarks-output=%t | FileCheck %s
; RUN: FileCheck --input-file=%t --check-prefix=YAML %s

; YAML: --- !Passed
; YAML-NEXT: Pass:            slp-vectorizer
; YAML-NEXT: Name:            VectorizedList
; YAML-NEXT: Function:        g
; YAML-NEXT: Args:
; YAML-NEXT:   - String:          'SLP vectorized with cost '
; YAML-NEXT:   - Cost:            '-1'
; YAML-NEXT:   - String:          ' and with tree size '
; YAML-NEXT:   - TreeSize:        '4'

define <2 x i32> @g(<2 x i32> %x, i32 %a, i32 %b) {
; CHECK-LABEL: @g(
; CHECK-NEXT:    [[TMP1:%.*]] = shufflevector <2 x i32> [[X:%.*]], <2 x i32> poison, <2 x i32> <i32 1, i32 poison>
; CHECK-NEXT:    [[TMP2:%.*]] = insertelement <2 x i32> [[TMP1]], i32 [[A:%.*]], i32 1
; CHECK-NEXT:    [[TMP3:%.*]] = insertelement <2 x i32> [[TMP1]], i32 [[B:%.*]], i32 1
; CHECK-NEXT:    [[TMP4:%.*]] = mul <2 x i32> [[TMP2]], [[TMP3]]
; CHECK-NEXT:    ret <2 x i32> [[TMP4]]
;
  %x1 = extractelement <2 x i32> %x, i32 1
  %x1x1 = mul i32 %x1, %x1
  %ab = mul i32 %a, %b
  %ins1 = insertelement <2 x i32> poison, i32 %x1x1, i32 0
  %ins2 = insertelement <2 x i32> %ins1, i32 %ab, i32 1
  ret <2 x i32> %ins2
}