llvm/test/Transforms/SLPVectorizer/X86/vector-like-instr-does-not-dominate.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -S --passes=slp-vectorizer -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s

define void @test(i32 %arg) {
; CHECK-LABEL: define void @test(
; CHECK-SAME: i32 [[ARG:%.*]]) {
; CHECK-NEXT:  [[BB:.*]]:
; CHECK-NEXT:    br label %[[BB14:.*]]
; CHECK:       [[BB1:.*]]:
; CHECK-NEXT:    [[TMP0:%.*]] = shufflevector <2 x i32> [[TMP11:%.*]], <2 x i32> <i32 poison, i32 0>, <2 x i32> <i32 1, i32 3>
; CHECK-NEXT:    br label %[[BB2:.*]]
; CHECK:       [[BB2]]:
; CHECK-NEXT:    [[TMP1:%.*]] = phi <2 x i32> [ zeroinitializer, %[[BB14]] ], [ zeroinitializer, %[[BB1]] ]
; CHECK-NEXT:    [[TMP2:%.*]] = phi <4 x i32> [ zeroinitializer, %[[BB14]] ], [ zeroinitializer, %[[BB1]] ]
; CHECK-NEXT:    [[TMP3:%.*]] = phi <4 x i32> [ zeroinitializer, %[[BB14]] ], [ zeroinitializer, %[[BB1]] ]
; CHECK-NEXT:    [[TMP4:%.*]] = phi <2 x i32> [ [[TMP11]], %[[BB14]] ], [ [[TMP0]], %[[BB1]] ]
; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <4 x i32> [[TMP3]], i32 3
; CHECK-NEXT:    [[ADD10:%.*]] = add i32 [[TMP5]], 0
; CHECK-NEXT:    [[TMP6:%.*]] = extractelement <2 x i32> [[TMP1]], i32 1
; CHECK-NEXT:    [[TMP7:%.*]] = shufflevector <2 x i32> [[TMP4]], <2 x i32> poison, <4 x i32> <i32 0, i32 1, i32 poison, i32 poison>
; CHECK-NEXT:    [[TMP8:%.*]] = shufflevector <4 x i32> [[TMP2]], <4 x i32> [[TMP7]], <2 x i32> <i32 2, i32 5>
; CHECK-NEXT:    br i1 false, label %[[BB14]], label %[[BB11:.*]]
; CHECK:       [[BB11]]:
; CHECK-NEXT:    [[TMP9:%.*]] = phi <2 x i32> [ [[TMP1]], %[[BB2]] ]
; CHECK-NEXT:    br label %[[BB14]]
; CHECK:       [[BB14]]:
; CHECK-NEXT:    [[PHI16:%.*]] = phi i32 [ [[ADD10]], %[[BB2]] ], [ 0, %[[BB]] ], [ 0, %[[BB11]] ]
; CHECK-NEXT:    [[PHI17:%.*]] = phi i32 [ [[TMP6]], %[[BB2]] ], [ 0, %[[BB]] ], [ 0, %[[BB11]] ]
; CHECK-NEXT:    [[TMP10:%.*]] = phi <2 x i32> [ [[TMP8]], %[[BB2]] ], [ zeroinitializer, %[[BB]] ], [ zeroinitializer, %[[BB11]] ]
; CHECK-NEXT:    [[TMP11]] = insertelement <2 x i32> <i32 0, i32 poison>, i32 [[ARG]], i32 1
; CHECK-NEXT:    switch i32 0, label %[[BB2]] [
; CHECK-NEXT:      i32 0, label %[[BB1]]
; CHECK-NEXT:      i32 1, label %[[BB1]]
; CHECK-NEXT:    ]
;
bb:
  br label %bb14

bb1:
  %0 = shufflevector <2 x i32> %10, <2 x i32> <i32 poison, i32 0>, <2 x i32> <i32 1, i32 3>
  br label %bb2

bb2:
  %1 = phi <2 x i32> [ zeroinitializer, %bb14 ], [ zeroinitializer, %bb1 ]
  %2 = phi <4 x i32> [ zeroinitializer, %bb14 ], [ zeroinitializer, %bb1 ]
  %3 = phi <4 x i32> [ zeroinitializer, %bb14 ], [ zeroinitializer, %bb1 ]
  %4 = phi <2 x i32> [ %10, %bb14 ], [ %0, %bb1 ]
  %5 = extractelement <4 x i32> %3, i32 3
  %add10 = add i32 %5, 0
  %6 = extractelement <2 x i32> %1, i32 1
  %7 = extractelement <4 x i32> %2, i32 2
  %8 = extractelement <2 x i32> %4, i32 1
  br i1 false, label %bb14, label %bb11

bb11:
  %9 = phi <2 x i32> [ %1, %bb2 ]
  br label %bb14

bb14:
  %phi15 = phi i32 [ %7, %bb2 ], [ 0, %bb ], [ 0, %bb11 ]
  %phi16 = phi i32 [ %add10, %bb2 ], [ 0, %bb ], [ 0, %bb11 ]
  %phi17 = phi i32 [ %6, %bb2 ], [ 0, %bb ], [ 0, %bb11 ]
  %phi18 = phi i32 [ %8, %bb2 ], [ 0, %bb ], [ 0, %bb11 ]
  %10 = insertelement <2 x i32> <i32 0, i32 poison>, i32 %arg, i32 1
  switch i32 0, label %bb2 [
  i32 0, label %bb1
  i32 1, label %bb1
  ]
}