llvm/llvm/test/Transforms/SLPVectorizer/RISCV/reversed-strided-node-with-external-ptr.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -S --passes=slp-vectorizer -slp-threshold=-99999 -mtriple=riscv64 -mattr=+v < %s | FileCheck %s

define void @test(ptr %a, i64 %0) {
; CHECK-LABEL: define void @test(
; CHECK-SAME: ptr [[A:%.*]], i64 [[TMP0:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[TMP1:%.*]] = insertelement <2 x ptr> poison, ptr [[A]], i32 0
; CHECK-NEXT:    [[TMP2:%.*]] = shufflevector <2 x ptr> [[TMP1]], <2 x ptr> poison, <2 x i32> zeroinitializer
; CHECK-NEXT:    br label %[[BB:.*]]
; CHECK:       [[BB]]:
; CHECK-NEXT:    [[TMP3:%.*]] = or disjoint i64 [[TMP0]], 1
; CHECK-NEXT:    [[ARRAYIDX17_I28_1:%.*]] = getelementptr double, ptr [[A]], i64 [[TMP3]]
; CHECK-NEXT:    [[TMP4:%.*]] = insertelement <2 x i64> poison, i64 [[TMP3]], i32 0
; CHECK-NEXT:    [[TMP5:%.*]] = insertelement <2 x i64> [[TMP4]], i64 0, i32 1
; CHECK-NEXT:    [[TMP6:%.*]] = getelementptr double, <2 x ptr> [[TMP2]], <2 x i64> [[TMP5]]
; CHECK-NEXT:    [[TMP7:%.*]] = call <2 x double> @llvm.masked.gather.v2f64.v2p0(<2 x ptr> [[TMP6]], i32 8, <2 x i1> <i1 true, i1 true>, <2 x double> poison)
; CHECK-NEXT:    [[TMP8:%.*]] = load <2 x double>, ptr [[A]], align 8
; CHECK-NEXT:    [[TMP9:%.*]] = load <2 x double>, ptr [[A]], align 8
; CHECK-NEXT:    [[TMP10:%.*]] = fsub <2 x double> [[TMP8]], [[TMP9]]
; CHECK-NEXT:    [[TMP11:%.*]] = fsub <2 x double> [[TMP7]], [[TMP10]]
; CHECK-NEXT:    call void @llvm.experimental.vp.strided.store.v2f64.p0.i64(<2 x double> [[TMP11]], ptr align 8 [[ARRAYIDX17_I28_1]], i64 -8, <2 x i1> <i1 true, i1 true>, i32 2)
; CHECK-NEXT:    br label %[[BB]]
;
entry:
  br label %bb

bb:
  %indvars.iv.next239.i = add i64 0, 0
  %arrayidx.i.1 = getelementptr double, ptr %a, i64 %indvars.iv.next239.i
  %1 = load double, ptr %arrayidx.i.1, align 8
  %arrayidx10.i.1 = getelementptr double, ptr %a, i64 %0
  %2 = or disjoint i64 %0, 1
  %arrayidx17.i28.1 = getelementptr double, ptr %a, i64 %2
  %3 = load double, ptr %arrayidx17.i28.1, align 8
  %4 = load double, ptr %a, align 8
  %5 = load double, ptr %a, align 8
  %arrayidx38.i.1 = getelementptr double, ptr %a, i64 1
  %6 = load double, ptr %arrayidx38.i.1, align 8
  %arrayidx41.i.1 = getelementptr double, ptr %a, i64 1
  %7 = load double, ptr %arrayidx41.i.1, align 8
  %sub47.i.1 = fsub double %4, %5
  %sub54.i.1 = fsub double %6, %7
  %sub69.i.1 = fsub double %1, %sub54.i.1
  store double %sub69.i.1, ptr %arrayidx10.i.1, align 8
  %sub72.i.1 = fsub double %3, %sub47.i.1
  store double %sub72.i.1, ptr %arrayidx17.i28.1, align 8
  br label %bb
}