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 3 4 5 ; ALL-LABEL: {{^}}merge_8_float_zero_stores: 6 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]]) 11 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]+]]) 15 16 ; ALL: retq 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 34 ret void 35 } 36
