1 ; RUN: llc -march=x86-64 -mtriple=x86_64-unknown-unknown < %s | FileCheck -check-prefix=DEFAULTCPU -check-prefix=ALL %s
2 ; RUN: llc -march=x86-64 -mcpu=x86-64 -mtriple=x86_64-unknown-unknown < %s | FileCheck -check-prefix=X8664CPU -check-prefix=ALL %s
5 ; ALL-LABEL: {{^}}merge_8_float_zero_stores:
7 ; DEFAULTCPU-DAG: movq $0, ([[PTR:%[a-z]+]])
8 ; DEFAULTCPU-DAG: movq $0, 8([[PTR]])
9 ; DEFAULTCPU-DAG: movq $0, 16([[PTR]])
10 ; DEFAULTCPU-DAG: movq $0, 24([[PTR]])
12 ; X8664CPU: xorps [[ZEROREG:%xmm[0-9]+]], [[ZEROREG]]
13 ; X8664CPU-DAG: movups [[ZEROREG]], ([[PTR:%[a-z]+]])
14 ; X8664CPU-DAG: movups [[ZEROREG]], 16([[PTR:%[a-z]+]])
17 define void @merge_8_float_zero_stores(float* %ptr) {
18 %idx0 = getelementptr float, float* %ptr, i64 0
19 %idx1 = getelementptr float, float* %ptr, i64 1
20 %idx2 = getelementptr float, float* %ptr, i64 2
21 %idx3 = getelementptr float, float* %ptr, i64 3
22 %idx4 = getelementptr float, float* %ptr, i64 4
23 %idx5 = getelementptr float, float* %ptr, i64 5
24 %idx6 = getelementptr float, float* %ptr, i64 6
25 %idx7 = getelementptr float, float* %ptr, i64 7
26 store float 0.0, float* %idx0, align 4
27 store float 0.0, float* %idx1, align 4
28 store float 0.0, float* %idx2, align 4
29 store float 0.0, float* %idx3, align 4
30 store float 0.0, float* %idx4, align 4
31 store float 0.0, float* %idx5, align 4
32 store float 0.0, float* %idx6, align 4
33 store float 0.0, float* %idx7, align 4