[llvm-project.git] / llvm / test / Transforms / SLPVectorizer / X86 / extract-shuffle-inseltpoison.ll
| blob | 74b9f31973d129438829e508732b1d8b4bf83b5e |
1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -passes=slp-vectorizer -S -o - -mtriple=x86_64-unknown-linux -mcpu=bdver2 -slp-schedule-budget=1 | FileCheck %s
4 define <2 x i8> @g(<2 x i8> %x, <2 x i8> %y) {
5 ; CHECK-LABEL: @g(
6 ; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <2 x i8> [[X:%.*]], <2 x i8> [[Y:%.*]], <2 x i32> <i32 0, i32 3>
7 ; CHECK-NEXT: [[TMP2:%.*]] = mul <2 x i8> [[TMP1]], [[TMP1]]
8 ; CHECK-NEXT: ret <2 x i8> [[TMP2]]
9 ;
10 %x0 = extractelement <2 x i8> %x, i32 0
11 %y1 = extractelement <2 x i8> %y, i32 1
12 %x0x0 = mul i8 %x0, %x0
13 %y1y1 = mul i8 %y1, %y1
14 %ins1 = insertelement <2 x i8> poison, i8 %x0x0, i32 0
15 %ins2 = insertelement <2 x i8> %ins1, i8 %y1y1, i32 1
16 ret <2 x i8> %ins2
17 }