diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/vector-merge-store-fp-constants.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/vector-merge-store-fp-constants.ll | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/vector-merge-store-fp-constants.ll b/llvm/test/CodeGen/X86/vector-merge-store-fp-constants.ll new file mode 100644 index 00000000000..a6fb32d48a7 --- /dev/null +++ b/llvm/test/CodeGen/X86/vector-merge-store-fp-constants.ll @@ -0,0 +1,35 @@ +; RUN: llc -march=x86-64 -mtriple=x86_64-unknown-unknown < %s | FileCheck -check-prefix=DEFAULTCPU -check-prefix=ALL %s +; RUN: llc -march=x86-64 -mcpu=x86-64 -mtriple=x86_64-unknown-unknown < %s | FileCheck -check-prefix=X8664CPU -check-prefix=ALL %s + + +; ALL-LABEL: {{^}}merge_8_float_zero_stores: + +; DEFAULTCPU-DAG: movq $0, ([[PTR:%[a-z]+]]) +; DEFAULTCPU-DAG: movq $0, 8([[PTR]]) +; DEFAULTCPU-DAG: movq $0, 16([[PTR]]) +; DEFAULTCPU-DAG: movq $0, 24([[PTR]]) + +; X8664CPU: xorps [[ZEROREG:%xmm[0-9]+]], [[ZEROREG]] +; X8664CPU-DAG: movups [[ZEROREG]], ([[PTR:%[a-z]+]]) +; X8664CPU-DAG: movups [[ZEROREG]], 16([[PTR:%[a-z]+]]) + +; ALL: retq +define void @merge_8_float_zero_stores(float* %ptr) { + %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 +} |
