llvm/llvm/test/Transforms/SLPVectorizer/X86/insert-crash-index.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=slp-vectorizer < %s | FileCheck %s

; These all crashing before patch

define  <2 x i8> @negative_index(<2 x i8> %aux_vec, ptr %in) {
; CHECK-LABEL: @negative_index(
; CHECK-NEXT:    [[IN0:%.*]] = load i8, ptr [[IN:%.*]], align 4
; CHECK-NEXT:    [[G1:%.*]] = getelementptr inbounds i8, ptr [[IN]], i64 1
; CHECK-NEXT:    [[IN1:%.*]] = load i8, ptr [[G1]], align 4
; CHECK-NEXT:    [[V0:%.*]] = insertelement <2 x i8> [[AUX_VEC:%.*]], i8 [[IN0]], i8 -1
; CHECK-NEXT:    [[V1:%.*]] = insertelement <2 x i8> [[V0]], i8 [[IN1]], i64 1
; CHECK-NEXT:    [[OUT:%.*]] = add <2 x i8> [[V1]], [[V1]]
; CHECK-NEXT:    ret <2 x i8> [[OUT]]
;
  %in0 = load i8, ptr %in, align 4
  %g1 = getelementptr inbounds i8, ptr %in, i64 1
  %in1 = load i8, ptr %g1, align 4

  %v0 = insertelement <2 x i8> %aux_vec, i8 %in0, i8 -1
  %v1 = insertelement <2 x i8> %v0, i8 %in1, i64 1

  %out = add <2 x i8> %v1, %v1
  ret <2 x i8> %out
}

define  <2 x i8> @exceed_index(<2 x i8> %aux_vec, ptr %in) {
; CHECK-LABEL: @exceed_index(
; CHECK-NEXT:    [[IN0:%.*]] = load i8, ptr [[IN:%.*]], align 4
; CHECK-NEXT:    [[G1:%.*]] = getelementptr inbounds i8, ptr [[IN]], i64 1
; CHECK-NEXT:    [[IN1:%.*]] = load i8, ptr [[G1]], align 4
; CHECK-NEXT:    [[V0:%.*]] = insertelement <2 x i8> [[AUX_VEC:%.*]], i8 [[IN0]], i8 2
; CHECK-NEXT:    [[V1:%.*]] = insertelement <2 x i8> [[V0]], i8 [[IN1]], i64 1
; CHECK-NEXT:    [[OUT:%.*]] = add <2 x i8> [[V1]], [[V1]]
; CHECK-NEXT:    ret <2 x i8> [[OUT]]
;
  %in0 = load i8, ptr %in, align 4
  %g1 = getelementptr inbounds i8, ptr %in, i64 1
  %in1 = load i8, ptr %g1, align 4

  %v0 = insertelement <2 x i8> %aux_vec, i8 %in0, i8 2
  %v1 = insertelement <2 x i8> %v0, i8 %in1, i64 1

  %out = add <2 x i8> %v1, %v1
  ret <2 x i8> %out
}

define  <2 x i8> @poison_index(<2 x i8> %aux_vec, ptr %in) {
; CHECK-LABEL: @poison_index(
; CHECK-NEXT:    [[IN0:%.*]] = load i8, ptr [[IN:%.*]], align 4
; CHECK-NEXT:    [[G1:%.*]] = getelementptr inbounds i8, ptr [[IN]], i64 1
; CHECK-NEXT:    [[IN1:%.*]] = load i8, ptr [[G1]], align 4
; CHECK-NEXT:    [[V0:%.*]] = insertelement <2 x i8> [[AUX_VEC:%.*]], i8 [[IN0]], i8 poison
; CHECK-NEXT:    [[V1:%.*]] = insertelement <2 x i8> [[V0]], i8 [[IN1]], i64 1
; CHECK-NEXT:    [[OUT:%.*]] = add <2 x i8> [[V1]], [[V1]]
; CHECK-NEXT:    ret <2 x i8> [[OUT]]
;
  %in0 = load i8, ptr %in, align 4
  %g1 = getelementptr inbounds i8, ptr %in, i64 1
  %in1 = load i8, ptr %g1, align 4

  %v0 = insertelement <2 x i8> %aux_vec, i8 %in0, i8 poison
  %v1 = insertelement <2 x i8> %v0, i8 %in1, i64 1

  %out = add <2 x i8> %v1, %v1
  ret <2 x i8> %out
}