| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=DEFAULTCPU |
| ; RUN: llc < %s -mcpu=x86-64 -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64CPU |
| |
| define void @merge_8_float_zero_stores(float* %ptr) { |
| ; DEFAULTCPU-LABEL: merge_8_float_zero_stores: |
| ; DEFAULTCPU: # %bb.0: |
| ; DEFAULTCPU-NEXT: movq $0, (%rdi) |
| ; DEFAULTCPU-NEXT: movq $0, 8(%rdi) |
| ; DEFAULTCPU-NEXT: movq $0, 16(%rdi) |
| ; DEFAULTCPU-NEXT: movq $0, 24(%rdi) |
| ; DEFAULTCPU-NEXT: retq |
| ; |
| ; X64CPU-LABEL: merge_8_float_zero_stores: |
| ; X64CPU: # %bb.0: |
| ; X64CPU-NEXT: xorps %xmm0, %xmm0 |
| ; X64CPU-NEXT: movups %xmm0, (%rdi) |
| ; X64CPU-NEXT: movups %xmm0, 16(%rdi) |
| ; X64CPU-NEXT: retq |
| %idx0 = getelementptr float, float* %ptr, i64 0 |
| %idx1 = getelementptr float, float* %ptr, i64 1 |
| %idx2 = getelementptr float, float* %ptr, i64 2 |
| %idx3 = getelementptr float, float* %ptr, i64 3 |
| %idx4 = getelementptr float, float* %ptr, i64 4 |
| %idx5 = getelementptr float, float* %ptr, i64 5 |
| %idx6 = getelementptr float, float* %ptr, i64 6 |
| %idx7 = getelementptr float, float* %ptr, i64 7 |
| store float 0.0, float* %idx0, align 4 |
| store float 0.0, float* %idx1, align 4 |
| store float 0.0, float* %idx2, align 4 |
| store float 0.0, float* %idx3, align 4 |
| store float 0.0, float* %idx4, align 4 |
| store float 0.0, float* %idx5, align 4 |
| store float 0.0, float* %idx6, align 4 |
| store float 0.0, float* %idx7, align 4 |
| ret void |
| } |