llvm/test/Transforms/SLPVectorizer/X86/scalarization-overhead.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -mtriple=x86_64-- -passes=slp-vectorizer -S < %s | FileCheck %s

; Crash Test case reported on D134605

define i16 @D134605() {
; CHECK-LABEL: @D134605(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[ARRAYIDX81:%.*]] = getelementptr inbounds [32 x i16], ptr poison, i16 0, i16 3
; CHECK-NEXT:    [[TMP0:%.*]] = load i16, ptr [[ARRAYIDX81]], align 1
; CHECK-NEXT:    [[TMP1:%.*]] = load <4 x i16>, ptr poison, align 1
; CHECK-NEXT:    [[REASS_ADD:%.*]] = add i16 poison, [[TMP0]]
; CHECK-NEXT:    [[TMP2:%.*]] = call i16 @llvm.vector.reduce.add.v4i16(<4 x i16> [[TMP1]])
; CHECK-NEXT:    [[TMP3:%.*]] = mul i16 [[TMP2]], 2
; CHECK-NEXT:    [[OP_RDX:%.*]] = add i16 [[TMP3]], poison
; CHECK-NEXT:    [[REASS_MUL24:%.*]] = shl i16 [[OP_RDX]], 2
; CHECK-NEXT:    [[CALL:%.*]] = call i16 @check_i16(i16 noundef 1, i16 noundef [[REASS_MUL24]], i16 noundef 5120)
; CHECK-NEXT:    unreachable
;
entry:
  %arrayidx81 = getelementptr inbounds [32 x i16], ptr poison, i16 0, i16 3
  %0 = load i16, ptr %arrayidx81, align 1
  %1 = load i16, ptr poison, align 1
  %arrayidx101 = getelementptr inbounds [32 x i16], ptr poison, i16 0, i16 1
  %2 = load i16, ptr %arrayidx101, align 1
  %arrayidx107 = getelementptr inbounds [32 x i16], ptr poison, i16 0, i16 2
  %3 = load i16, ptr %arrayidx107, align 1
  %reass.add = add i16 poison, %0
  %add116 = add i16 %1, %0
  %add122 = add i16 %add116, %2
  %add124 = add i16 %add122, %3
  %add125 = add i16 %add124, poison
  %factor2531 = add i16 %3, %add125
  %add14332 = add i16 %factor2531, %2
  %add14933 = add i16 %add14332, %1
  %add15534 = add i16 %add14933, %0
  %add15935 = add i16 %add15534, poison
  %reass.mul24 = shl i16 %add15935, 2
  %call = call i16 @check_i16(i16 noundef 1, i16 noundef %reass.mul24, i16 noundef 5120)
  unreachable
}
declare i16 @check_i16(i16, i16, i16)


define void @PR58054() {
; CHECK-LABEL: @PR58054(
; CHECK-NEXT:    [[VAL:%.*]] = add i64 poison, poison
; CHECK-NEXT:    [[VAL2:%.*]] = add i64 poison, poison
; CHECK-NEXT:    [[VAL3:%.*]] = mul i64 [[VAL2]], [[VAL]]
; CHECK-NEXT:    [[VAL4:%.*]] = mul i64 [[VAL3]], [[VAL2]]
; CHECK-NEXT:    [[VAL5:%.*]] = mul i64 [[VAL4]], [[VAL2]]
; CHECK-NEXT:    [[VAL7:%.*]] = add i64 [[VAL]], [[VAL5]]
; CHECK-NEXT:    [[VAL8:%.*]] = sitofp i64 [[VAL7]] to double
; CHECK-NEXT:    call void @wibble(i32 poison, double [[VAL8]], i64 poison)
; CHECK-NEXT:    unreachable
;
  %val = add i64 poison, poison
  %val2 = add i64 poison, poison
  %val3 = mul i64 %val2, %val
  %val4 = mul i64 %val3, %val2
  %val5 = mul i64 %val4, %val2
  %val7 = add i64 %val, %val5
  %val8 = sitofp i64 %val7 to double
  call void @wibble(i32 poison, double %val8, i64 poison)
  unreachable
}
declare void @wibble(i32, double, i64)