xref: /llvm-project/llvm/test/Transforms/SLPVectorizer/AArch64/insertelement-inseltpoison.ll (revision 3be72f402925b99adbec4a2ee5bacdf76ba6c8d1)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -passes=slp-vectorizer -S | FileCheck %s
3
4target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
5target triple = "aarch64-unknown-linux-gnu"
6
7define <2 x float> @insertelement-fixed-vector() {
8; CHECK-LABEL: @insertelement-fixed-vector(
9; CHECK-NEXT:    [[TMP1:%.*]] = call fast <2 x float> @llvm.fabs.v2f32(<2 x float> undef)
10; CHECK-NEXT:    ret <2 x float> [[TMP1]]
11;
12  %f0 = tail call fast float @llvm.fabs.f32(float undef)
13  %f1 = tail call fast float @llvm.fabs.f32(float undef)
14  %i0 = insertelement <2 x float> poison, float %f0, i32 0
15  %i1 = insertelement <2 x float> %i0, float %f1, i32 1
16  ret <2 x float> %i1
17}
18
19; TODO: llvm.fabs could be optimized in vector form. It's legal to extract
20; elements from fixed-length vector and insert into scalable vector.
21define <vscale x 2 x float> @insertelement-scalable-vector() {
22; CHECK-LABEL: @insertelement-scalable-vector(
23; CHECK-NEXT:    [[F0:%.*]] = tail call fast float @llvm.fabs.f32(float undef)
24; CHECK-NEXT:    [[F1:%.*]] = tail call fast float @llvm.fabs.f32(float undef)
25; CHECK-NEXT:    [[I0:%.*]] = insertelement <vscale x 2 x float> poison, float [[F0]], i32 0
26; CHECK-NEXT:    [[I1:%.*]] = insertelement <vscale x 2 x float> [[I0]], float [[F1]], i32 1
27; CHECK-NEXT:    ret <vscale x 2 x float> [[I1]]
28;
29  %f0 = tail call fast float @llvm.fabs.f32(float undef)
30  %f1 = tail call fast float @llvm.fabs.f32(float undef)
31  %i0 = insertelement <vscale x 2 x float> poison, float %f0, i32 0
32  %i1 = insertelement <vscale x 2 x float> %i0, float %f1, i32 1
33  ret <vscale x 2 x float> %i1
34}
35
36; Function Attrs: nounwind readnone speculatable willreturn
37declare float @llvm.fabs.f32(float)
38