llvm/test/Transforms/SLPVectorizer/X86/alternate-opcode-strict-bitwidth-than-main.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
; RUN: opt -passes=slp-vectorizer -S -slp-threshold=-99999 -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s

define float @test(i8 %0) {
; CHECK-LABEL: define float @test(
; CHECK-SAME: i8 [[TMP0:%.*]]) {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[TMP1:%.*]] = insertelement <2 x i8> <i8 poison, i8 0>, i8 [[TMP0]], i32 0
; CHECK-NEXT:    [[TMP2:%.*]] = sext <2 x i8> [[TMP1]] to <2 x i32>
; CHECK-NEXT:    [[TMP3:%.*]] = mul <2 x i32> [[TMP2]], <i32 2, i32 27>
; CHECK-NEXT:    [[TMP4:%.*]] = lshr <2 x i32> [[TMP2]], <i32 2, i32 27>
; CHECK-NEXT:    [[TMP5:%.*]] = shufflevector <2 x i32> [[TMP3]], <2 x i32> [[TMP4]], <2 x i32> <i32 0, i32 3>
; CHECK-NEXT:    [[TMP6:%.*]] = extractelement <2 x i32> [[TMP5]], i32 0
; CHECK-NEXT:    [[TMP7:%.*]] = extractelement <2 x i32> [[TMP5]], i32 1
; CHECK-NEXT:    [[TMP8:%.*]] = or i32 [[TMP6]], [[TMP7]]
; CHECK-NEXT:    switch i32 [[TMP8]], label %[[EXIT:.*]] [
; CHECK-NEXT:      i32 0, label %[[EXIT]]
; CHECK-NEXT:      i32 1, label %[[EXIT]]
; CHECK-NEXT:    ]
; CHECK:       [[EXIT]]:
; CHECK-NEXT:    ret float 0.000000e+00
;
entry:
  %1 = sext i8 0 to i32
  %2 = lshr i32 %1, 27
  %3 = sext i8 %0 to i32
  %reass.add.epil = mul i32 %3, 2
  %4 = or i32 %reass.add.epil, %2
  switch i32 %4, label %exit [
  i32 0, label %exit
  i32 1, label %exit
  ]

exit:
  ret float 0.000000e+00
}