1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=DEFAULTCPU
3 ; RUN: llc < %s -mcpu=x86-64 -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64CPU
5 define void @merge_8_float_zero_stores(ptr %ptr) {
6 ; DEFAULTCPU-LABEL: merge_8_float_zero_stores:
8 ; DEFAULTCPU-NEXT: movq $0, (%rdi)
9 ; DEFAULTCPU-NEXT: movq $0, 8(%rdi)
10 ; DEFAULTCPU-NEXT: movq $0, 16(%rdi)
11 ; DEFAULTCPU-NEXT: movq $0, 24(%rdi)
12 ; DEFAULTCPU-NEXT: retq
14 ; X64CPU-LABEL: merge_8_float_zero_stores:
16 ; X64CPU-NEXT: xorps %xmm0, %xmm0
17 ; X64CPU-NEXT: movups %xmm0, (%rdi)
18 ; X64CPU-NEXT: movups %xmm0, 16(%rdi)
20 %idx1 = getelementptr float, ptr %ptr, i64 1
21 %idx2 = getelementptr float, ptr %ptr, i64 2
22 %idx3 = getelementptr float, ptr %ptr, i64 3
23 %idx4 = getelementptr float, ptr %ptr, i64 4
24 %idx5 = getelementptr float, ptr %ptr, i64 5
25 %idx6 = getelementptr float, ptr %ptr, i64 6
26 %idx7 = getelementptr float, ptr %ptr, i64 7
27 store float 0.0, ptr %ptr, align 4
28 store float 0.0, ptr %idx1, align 4
29 store float 0.0, ptr %idx2, align 4
30 store float 0.0, ptr %idx3, align 4
31 store float 0.0, ptr %idx4, align 4
32 store float 0.0, ptr %idx5, align 4
33 store float 0.0, ptr %idx6, align 4
34 store float 0.0, ptr %idx7, align 4