llvm/test/Transforms/SLPVectorizer/revec-shufflevector.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=slp-vectorizer,instcombine -S -slp-revec -slp-max-reg-size=1024 -slp-threshold=-100 %s | FileCheck %s

define void @test1(ptr %in, ptr %out) {
; CHECK-LABEL: @test1(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = load <8 x i32>, ptr [[IN:%.*]], align 1
; CHECK-NEXT:    [[TMP1:%.*]] = zext <8 x i32> [[TMP0]] to <8 x i64>
; CHECK-NEXT:    store <8 x i64> [[TMP1]], ptr [[OUT:%.*]], align 8
; CHECK-NEXT:    ret void
;
entry:
  %0 = load <8 x i32>, ptr %in, align 1
  %1 = shufflevector <8 x i32> %0, <8 x i32> poison, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
  %2 = shufflevector <8 x i32> %0, <8 x i32> poison, <4 x i32> <i32 4, i32 5, i32 6, i32 7>
  %3 = zext <4 x i32> %1 to <4 x i64>
  %4 = zext <4 x i32> %2 to <4 x i64>
  %5 = shufflevector <4 x i64> %3, <4 x i64> poison, <2 x i32> <i32 0, i32 1>
  %6 = shufflevector <4 x i64> %3, <4 x i64> poison, <2 x i32> <i32 2, i32 3>
  %7 = shufflevector <4 x i64> %4, <4 x i64> poison, <2 x i32> <i32 0, i32 1>
  %8 = shufflevector <4 x i64> %4, <4 x i64> poison, <2 x i32> <i32 2, i32 3>
  %9 = getelementptr inbounds i64, ptr %out, i64 0
  %10 = getelementptr inbounds i64, ptr %out, i64 2
  %11 = getelementptr inbounds i64, ptr %out, i64 4
  %12 = getelementptr inbounds i64, ptr %out, i64 6
  store <2 x i64> %5, ptr %9, align 8
  store <2 x i64> %6, ptr %10, align 8
  store <2 x i64> %7, ptr %11, align 8
  store <2 x i64> %8, ptr %12, align 8
  ret void
}

define void @test2(ptr %in, ptr %out) {
; CHECK-LABEL: @test2(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = load <8 x i32>, ptr [[IN:%.*]], align 1
; CHECK-NEXT:    [[TMP1:%.*]] = shufflevector <8 x i32> [[TMP0]], <8 x i32> poison, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
; CHECK-NEXT:    [[TMP2:%.*]] = shufflevector <8 x i32> [[TMP0]], <8 x i32> poison, <4 x i32> <i32 4, i32 5, i32 6, i32 7>
; CHECK-NEXT:    [[TMP3:%.*]] = zext <4 x i32> [[TMP1]] to <4 x i64>
; CHECK-NEXT:    [[TMP4:%.*]] = zext <4 x i32> [[TMP2]] to <4 x i64>
; CHECK-NEXT:    [[TMP5:%.*]] = shufflevector <4 x i64> [[TMP3]], <4 x i64> poison, <2 x i32> <i32 2, i32 3>
; CHECK-NEXT:    [[TMP6:%.*]] = shufflevector <4 x i64> [[TMP3]], <4 x i64> poison, <2 x i32> <i32 0, i32 1>
; CHECK-NEXT:    [[TMP7:%.*]] = getelementptr inbounds i8, ptr [[OUT:%.*]], i64 16
; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr inbounds i8, ptr [[OUT]], i64 32
; CHECK-NEXT:    store <2 x i64> [[TMP5]], ptr [[OUT]], align 8
; CHECK-NEXT:    store <2 x i64> [[TMP6]], ptr [[TMP7]], align 8
; CHECK-NEXT:    store <4 x i64> [[TMP4]], ptr [[TMP8]], align 8
; CHECK-NEXT:    ret void
;
entry:
  %0 = load <8 x i32>, ptr %in, align 1
  %1 = shufflevector <8 x i32> %0, <8 x i32> poison, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
  %2 = shufflevector <8 x i32> %0, <8 x i32> poison, <4 x i32> <i32 4, i32 5, i32 6, i32 7>
  %3 = zext <4 x i32> %1 to <4 x i64>
  %4 = zext <4 x i32> %2 to <4 x i64>
  %5 = shufflevector <4 x i64> %3, <4 x i64> poison, <2 x i32> <i32 2, i32 3>
  %6 = shufflevector <4 x i64> %3, <4 x i64> poison, <2 x i32> <i32 0, i32 1>
  %7 = shufflevector <4 x i64> %4, <4 x i64> poison, <2 x i32> <i32 0, i32 1>
  %8 = shufflevector <4 x i64> %4, <4 x i64> poison, <2 x i32> <i32 2, i32 3>
  %9 = getelementptr inbounds i64, ptr %out, i64 0
  %10 = getelementptr inbounds i64, ptr %out, i64 2
  %11 = getelementptr inbounds i64, ptr %out, i64 4
  %12 = getelementptr inbounds i64, ptr %out, i64 6
  store <2 x i64> %5, ptr %9, align 8
  store <2 x i64> %6, ptr %10, align 8
  store <2 x i64> %7, ptr %11, align 8
  store <2 x i64> %8, ptr %12, align 8
  ret void
}