1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -slp-vectorizer -S -mtriple=x86_64-unknown-linux -march=core-avx2 | FileCheck %s
3 ; RUN: opt < %s -slp-vectorizer -S -mtriple=x86_64-unknown-linux -march=core-avx2 -slp-threshold=-1 -slp-vectorize-hor-store | FileCheck %s --check-prefix=THRESH1
4 ; RUN: opt < %s -slp-vectorizer -S -mtriple=x86_64-unknown-linux -march=core-avx2 -slp-threshold=-2 -slp-vectorize-hor-store | FileCheck %s --check-prefix=THRESH2
6 @a = global float 0.000000e+00, align 4
8 define float @f(<2 x float> %x) {
10 ; CHECK-NEXT: [[TMP1:%.*]] = fmul <2 x float> [[X:%.*]], [[X]]
11 ; CHECK-NEXT: [[TMP2:%.*]] = extractelement <2 x float> [[TMP1]], i32 0
12 ; CHECK-NEXT: [[TMP3:%.*]] = extractelement <2 x float> [[TMP1]], i32 1
13 ; CHECK-NEXT: [[ADD:%.*]] = fadd float [[TMP2]], [[TMP3]]
14 ; CHECK-NEXT: ret float [[ADD]]
16 %x0 = extractelement <2 x float> %x, i32 0
17 %x1 = extractelement <2 x float> %x, i32 1
18 %x0x0 = fmul float %x0, %x0
19 %x1x1 = fmul float %x1, %x1
20 %add = fadd float %x0x0, %x1x1
24 define float @f_used_out_of_tree(<2 x float> %x) {
25 ; THRESH2-LABEL: @f_used_out_of_tree(
26 ; THRESH2-NEXT: [[TMP1:%.*]] = extractelement <2 x float> [[X:%.*]], i32 0
27 ; THRESH2-NEXT: [[TMP2:%.*]] = fmul <2 x float> [[X]], [[X]]
28 ; THRESH2-NEXT: [[TMP3:%.*]] = extractelement <2 x float> [[TMP2]], i32 0
29 ; THRESH2-NEXT: [[TMP4:%.*]] = extractelement <2 x float> [[TMP2]], i32 1
30 ; THRESH2-NEXT: [[ADD:%.*]] = fadd float [[TMP3]], [[TMP4]]
31 ; THRESH2-NEXT: store float [[ADD]], float* @a
32 ; THRESH2-NEXT: ret float [[TMP1]]
34 %x0 = extractelement <2 x float> %x, i32 0
35 %x1 = extractelement <2 x float> %x, i32 1
36 %x0x0 = fmul float %x0, %x0
37 %x1x1 = fmul float %x1, %x1
38 %add = fadd float %x0x0, %x1x1
39 store float %add, float* @a
43 define float @f_used_twice_in_tree(<2 x float> %x) {
44 ; THRESH1-LABEL: @f_used_twice_in_tree(
45 ; THRESH1-NEXT: [[TMP1:%.*]] = extractelement <2 x float> [[X:%.*]], i32 1
46 ; THRESH1-NEXT: [[TMP2:%.*]] = insertelement <2 x float> undef, float [[TMP1]], i32 0
47 ; THRESH1-NEXT: [[TMP3:%.*]] = insertelement <2 x float> [[TMP2]], float [[TMP1]], i32 1
48 ; THRESH1-NEXT: [[TMP4:%.*]] = fmul <2 x float> [[X]], [[TMP3]]
49 ; THRESH1-NEXT: [[TMP5:%.*]] = extractelement <2 x float> [[TMP4]], i32 0
50 ; THRESH1-NEXT: [[TMP6:%.*]] = extractelement <2 x float> [[TMP4]], i32 1
51 ; THRESH1-NEXT: [[ADD:%.*]] = fadd float [[TMP5]], [[TMP6]]
52 ; THRESH1-NEXT: ret float [[ADD]]
54 %x0 = extractelement <2 x float> %x, i32 0
55 %x1 = extractelement <2 x float> %x, i32 1
56 %x0x0 = fmul float %x0, %x1
57 %x1x1 = fmul float %x1, %x1
58 %add = fadd float %x0x0, %x1x1