llvm/test/Transforms/SLPVectorizer/X86/buildvector-reused-with-bv-subvector.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 -mcpu=skylake < %s | FileCheck %s

define void @test(ptr %0, i64 %1, i64 %2) {
; CHECK-LABEL: define void @test(
; CHECK-SAME: ptr [[TMP0:%.*]], i64 [[TMP1:%.*]], i64 [[TMP2:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT:    [[TMP4:%.*]] = insertelement <4 x ptr> poison, ptr [[TMP0]], i32 0
; CHECK-NEXT:    [[TMP5:%.*]] = shufflevector <4 x ptr> [[TMP4]], <4 x ptr> poison, <4 x i32> zeroinitializer
; CHECK-NEXT:    [[TMP6:%.*]] = ptrtoint <4 x ptr> [[TMP5]] to <4 x i64>
; CHECK-NEXT:    [[TMP7:%.*]] = ptrtoint <4 x ptr> [[TMP5]] to <4 x i64>
; CHECK-NEXT:    [[TMP8:%.*]] = shufflevector <4 x i64> [[TMP7]], <4 x i64> poison, <8 x i32> <i32 0, i32 0, i32 1, i32 2, i32 2, i32 1, i32 3, i32 1>
; CHECK-NEXT:    br [[DOTPREHEADER_LR_PH:label %.*]]
; CHECK:       [[_PREHEADER_LR_PH:.*:]]
; CHECK-NEXT:    br [[DOTPREHEADER_US_US_PREHEADER:label %.*]]
; CHECK:       [[_PREHEADER_US_US_PREHEADER:.*:]]
; CHECK-NEXT:    [[TMP9:%.*]] = insertelement <8 x i64> poison, i64 [[TMP1]], i32 0
; CHECK-NEXT:    [[TMP10:%.*]] = insertelement <8 x i64> [[TMP9]], i64 [[TMP2]], i32 1
; CHECK-NEXT:    [[TMP11:%.*]] = shufflevector <8 x i64> [[TMP10]], <8 x i64> poison, <8 x i32> <i32 0, i32 1, i32 0, i32 0, i32 poison, i32 poison, i32 poison, i32 poison>
; CHECK-NEXT:    [[TMP16:%.*]] = shufflevector <4 x i64> [[TMP6]], <4 x i64> poison, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison>
; CHECK-NEXT:    [[TMP12:%.*]] = shufflevector <8 x i64> [[TMP11]], <8 x i64> [[TMP16]], <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 8, i32 9, i32 10, i32 11>
; CHECK-NEXT:    [[TMP13:%.*]] = or <8 x i64> [[TMP12]], [[TMP8]]
; CHECK-NEXT:    br [[DOTPREHEADER_US_US:label %.*]]
; CHECK:       [[_PREHEADER_US_US:.*:]]
; CHECK-NEXT:    [[TMP14:%.*]] = icmp ult <8 x i64> [[TMP13]], splat (i64 32)
; CHECK-NEXT:    [[TMP15:%.*]] = call i1 @llvm.vector.reduce.or.v8i1(<8 x i1> [[TMP14]])
; CHECK-NEXT:    br i1 [[TMP15]], label %[[SCALAR_PH:.*]], [[DOTPREHEADER_US_US]]
; CHECK:       [[SCALAR_PH]]:
; CHECK-NEXT:    ret void
;
  %4 = ptrtoint ptr %0 to i64
  %5 = ptrtoint ptr %0 to i64
  %6 = ptrtoint ptr %0 to i64
  %7 = ptrtoint ptr %0 to i64
  %8 = ptrtoint ptr %0 to i64
  br label %.preheader.lr.ph

.preheader.lr.ph:
  br label %.preheader.us.us.preheader

.preheader.us.us.preheader:
  %9 = or i64 %1, %7
  %10 = or i64 %2, %7
  %11 = or i64 %1, %4
  %12 = or i64 %1, %8
  %13 = or i64 %5, %8
  %14 = or i64 %8, %4
  %15 = or i64 %5, %6
  %16 = or i64 %6, %4
  br label %.preheader.us.us

.preheader.us.us:
  %diff.check1 = icmp ult i64 %9, 32
  %diff.check2 = icmp ult i64 %10, 32
  %conflict.rdx3 = or i1 %diff.check1, %diff.check2
  %diff.check4 = icmp ult i64 %11, 32
  %conflict.rdx5 = or i1 %conflict.rdx3, %diff.check4
  %diff.check6 = icmp ult i64 %12, 32
  %conflict.rdx7 = or i1 %conflict.rdx5, %diff.check6
  %diff.check8 = icmp ult i64 %13, 32
  %conflict.rdx9 = or i1 %conflict.rdx7, %diff.check8
  %diff.check10 = icmp ult i64 %14, 32
  %conflict.rdx11 = or i1 %conflict.rdx9, %diff.check10
  %diff.check12 = icmp ult i64 %15, 32
  %conflict.rdx13 = or i1 %conflict.rdx11, %diff.check12
  %diff.check14 = icmp ult i64 %16, 32
  %conflict.rdx15 = or i1 %conflict.rdx13, %diff.check14
  br i1 %conflict.rdx15, label %scalar.ph, label %.preheader.us.us

scalar.ph:
  ret void
}