llvm/test/Transforms/SLPVectorizer/X86/split-node-num-operands.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 -mattr=+avx -slp-threshold=-1000 < %s | FileCheck %s

define i64 @Foo(ptr align 8 dereferenceable(344) %0, i64 %1) {
; CHECK-LABEL: define i64 @Foo(
; CHECK-SAME: ptr align 8 dereferenceable(344) [[TMP0:%.*]], i64 [[TMP1:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT:    [[TMP3:%.*]] = getelementptr i8, ptr [[TMP0]], i64 104
; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr i8, ptr [[TMP0]], i64 112
; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr i8, ptr [[TMP0]], i64 24
; CHECK-NEXT:    [[TMP6:%.*]] = load i64, ptr [[TMP3]], align 8
; CHECK-NEXT:    [[TMP7:%.*]] = load i64, ptr [[TMP4]], align 8
; CHECK-NEXT:    [[TMP8:%.*]] = load i64, ptr [[TMP5]], align 8
; CHECK-NEXT:    [[TMP9:%.*]] = load i64, ptr [[TMP0]], align 8
; CHECK-NEXT:    [[TMP10:%.*]] = insertelement <2 x i64> poison, i64 [[TMP6]], i32 0
; CHECK-NEXT:    [[TMP11:%.*]] = insertelement <2 x i64> [[TMP10]], i64 [[TMP9]], i32 1
; CHECK-NEXT:    [[TMP12:%.*]] = insertelement <2 x i64> poison, i64 [[TMP7]], i32 0
; CHECK-NEXT:    [[TMP13:%.*]] = insertelement <2 x i64> [[TMP12]], i64 [[TMP8]], i32 1
; CHECK-NEXT:    [[TMP14:%.*]] = insertelement <2 x i64> poison, i64 0, i32 0
; CHECK-NEXT:    [[TMP15:%.*]] = insertelement <2 x i64> <i64 0, i64 poison>, i64 [[TMP1]], i32 1
; CHECK-NEXT:    br label %[[BB16:.*]]
; CHECK:       [[BB16]]:
; CHECK-NEXT:    [[TMP17:%.*]] = phi <2 x i64> [ [[TMP11]], [[TMP2:%.*]] ], [ zeroinitializer, %[[TMP25:.*]] ]
; CHECK-NEXT:    [[TMP18:%.*]] = phi <2 x i64> [ [[TMP13]], [[TMP2]] ], [ [[TMP29:%.*]], %[[TMP25]] ]
; CHECK-NEXT:    switch i32 0, label %[[BB19:.*]] [
; CHECK-NEXT:      i32 0, label %[[TMP25]]
; CHECK-NEXT:    ]
; CHECK:       [[BB19]]:
; CHECK-NEXT:    [[TMP20:%.*]] = shufflevector <2 x i64> [[TMP18]], <2 x i64> poison, <4 x i32> <i32 1, i32 poison, i32 poison, i32 poison>
; CHECK-NEXT:    [[TMP21:%.*]] = insertelement <4 x i64> [[TMP20]], i64 0, i32 1
; CHECK-NEXT:    [[TMP22:%.*]] = insertelement <4 x i64> [[TMP21]], i64 0, i32 2
; CHECK-NEXT:    [[TMP23:%.*]] = shufflevector <4 x i64> [[TMP22]], <4 x i64> poison, <4 x i32> <i32 0, i32 1, i32 2, i32 2>
; CHECK-NEXT:    [[TMP24:%.*]] = shufflevector <2 x i64> [[TMP14]], <2 x i64> [[TMP18]], <2 x i32> <i32 0, i32 2>
; CHECK-NEXT:    br label %[[TMP25]]
; CHECK:       [[TMP25]]:
; CHECK-NEXT:    [[TMP26:%.*]] = phi <2 x i64> [ [[TMP17]], %[[BB19]] ], [ zeroinitializer, %[[BB16]] ]
; CHECK-NEXT:    [[TMP27:%.*]] = phi <4 x i64> [ [[TMP23]], %[[BB19]] ], [ zeroinitializer, %[[BB16]] ]
; CHECK-NEXT:    [[TMP28:%.*]] = phi <2 x i64> [ [[TMP24]], %[[BB19]] ], [ [[TMP15]], %[[BB16]] ]
; CHECK-NEXT:    [[TMP29]] = shufflevector <2 x i64> [[TMP18]], <2 x i64> <i64 0, i64 poison>, <2 x i32> <i32 2, i32 1>
; CHECK-NEXT:    br i1 false, label %[[DOTLOOPEXIT206:.*]], label %[[BB16]]
; CHECK:       [[_LOOPEXIT206:.*:]]
; CHECK-NEXT:    switch i32 0, label %[[BB32:.*]] [
; CHECK-NEXT:      i32 0, [[DOTCONT174:label %.*]]
; CHECK-NEXT:      i32 1, label %[[BB30:.*]]
; CHECK-NEXT:    ]
; CHECK:       [[BB30]]:
; CHECK-NEXT:    [[TMP31:%.*]] = shufflevector <4 x i64> [[TMP27]], <4 x i64> <i64 0, i64 0, i64 poison, i64 0>, <4 x i32> <i32 4, i32 5, i32 2, i32 7>
; CHECK-NEXT:    br [[DOTCONT174]]
; CHECK:       [[BB32]]:
; CHECK-NEXT:    [[TMP33:%.*]] = insertelement <4 x i64> [[TMP27]], i64 0, i32 1
; CHECK-NEXT:    [[TMP34:%.*]] = insertelement <4 x i64> [[TMP33]], i64 0, i32 2
; CHECK-NEXT:    [[TMP35:%.*]] = shufflevector <4 x i64> [[TMP34]], <4 x i64> poison, <4 x i32> <i32 0, i32 1, i32 2, i32 2>
; CHECK-NEXT:    [[TMP36:%.*]] = insertelement <2 x i64> [[TMP28]], i64 0, i32 0
; CHECK-NEXT:    br [[DOTCONT174]]
; CHECK:       [[_CONT174:.*:]]
; CHECK-NEXT:    [[TMP37:%.*]] = phi <2 x i64> [ [[TMP26]], %[[BB32]] ], [ zeroinitializer, %[[BB30]] ], [ [[TMP26]], %[[DOTLOOPEXIT206]] ]
; CHECK-NEXT:    [[TMP38:%.*]] = phi <4 x i64> [ [[TMP35]], %[[BB32]] ], [ [[TMP31]], %[[BB30]] ], [ [[TMP27]], %[[DOTLOOPEXIT206]] ]
; CHECK-NEXT:    [[TMP39:%.*]] = phi <2 x i64> [ [[TMP36]], %[[BB32]] ], [ zeroinitializer, %[[BB30]] ], [ [[TMP28]], %[[DOTLOOPEXIT206]] ]
; CHECK-NEXT:    ret i64 0
;
  %3 = getelementptr i8, ptr %0, i64 104
  %4 = getelementptr i8, ptr %0, i64 112
  %5 = getelementptr i8, ptr %0, i64 24
  %6 = load i64, ptr %3, align 8
  %7 = load i64, ptr %4, align 8
  %8 = load i64, ptr %5, align 8
  %9 = load i64, ptr %0, align 8
  br label %10

10:
  %11 = phi i64 [ %9, %2 ], [ 0, %18 ]
  %12 = phi i64 [ %8, %2 ], [ %12, %18 ]
  %13 = phi i64 [ %7, %2 ], [ 0, %18 ]
  %14 = phi i64 [ %6, %2 ], [ 0, %18 ]
  switch i32 0, label %15 [
  i32 0, label %18
  ]

15:
  %16 = tail call i64 @llvm.umin.i64(i64 0, i64 0)
  %17 = tail call i64 @llvm.umax.i64(i64 0, i64 0)
  br label %18

18:
  %19 = phi i64 [ %17, %15 ], [ 0, %10 ]
  %20 = phi i64 [ %16, %15 ], [ 0, %10 ]
  %21 = phi i64 [ %11, %15 ], [ 0, %10 ]
  %22 = phi i64 [ %12, %15 ], [ 0, %10 ]
  %23 = phi i64 [ %13, %15 ], [ %1, %10 ]
  %24 = phi i64 [ %14, %15 ], [ 0, %10 ]
  br i1 false, label %.loopexit206, label %10

.loopexit206:
  switch i32 0, label %26 [
  i32 0, label %.cont174
  i32 1, label %25
  ]

25:
  br label %.cont174

26:
  %27 = tail call i64 @llvm.umin.i64(i64 0, i64 0)
  %28 = tail call i64 @llvm.umax.i64(i64 0, i64 0)
  br label %.cont174

.cont174:
  %.sroa.139.1 = phi i64 [ %28, %26 ], [ %19, %25 ], [ %19, %.loopexit206 ]
  %.sroa.133.1 = phi i64 [ %27, %26 ], [ 0, %25 ], [ %20, %.loopexit206 ]
  %.sroa.81.1 = phi i64 [ %23, %26 ], [ 0, %25 ], [ %23, %.loopexit206 ]
  %.sroa.75.1 = phi i64 [ %24, %26 ], [ 0, %25 ], [ %24, %.loopexit206 ]
  %.sroa.21.1 = phi i64 [ %21, %26 ], [ 0, %25 ], [ %21, %.loopexit206 ]
  %.sroa.15.1 = phi i64 [ %22, %26 ], [ 0, %25 ], [ %22, %.loopexit206 ]
  %29 = phi i64 [ %28, %26 ], [ 0, %25 ], [ %19, %.loopexit206 ]
  %30 = phi i64 [ %27, %26 ], [ 0, %25 ], [ %20, %.loopexit206 ]
  ret i64 0
}

declare i64 @llvm.umax.i64(i64, i64)

declare i64 @llvm.umin.i64(i64, i64)