; 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 }