36 lines
1.4 KiB
LLVM
36 lines
1.4 KiB
LLVM
; RUN: llc -march=x86-64 -mtriple=x86_64-unknown-unknown < %s | FileCheck -check-prefix=DEFAULTCPU -check-prefix=ALL %s
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; RUN: llc -march=x86-64 -mcpu=x86-64 -mtriple=x86_64-unknown-unknown < %s | FileCheck -check-prefix=X8664CPU -check-prefix=ALL %s
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; ALL-LABEL: {{^}}merge_8_float_zero_stores:
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; DEFAULTCPU-DAG: movq $0, ([[PTR:%[a-z]+]])
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; DEFAULTCPU-DAG: movq $0, 8([[PTR]])
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; DEFAULTCPU-DAG: movq $0, 16([[PTR]])
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; DEFAULTCPU-DAG: movq $0, 24([[PTR]])
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; X8664CPU: xorps [[ZEROREG:%xmm[0-9]+]], [[ZEROREG]]
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; X8664CPU-DAG: movups [[ZEROREG]], ([[PTR:%[a-z]+]])
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; X8664CPU-DAG: movups [[ZEROREG]], 16([[PTR:%[a-z]+]])
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; ALL: retq
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define void @merge_8_float_zero_stores(float* %ptr) {
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%idx0 = getelementptr float, float* %ptr, i64 0
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%idx1 = getelementptr float, float* %ptr, i64 1
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%idx2 = getelementptr float, float* %ptr, i64 2
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%idx3 = getelementptr float, float* %ptr, i64 3
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%idx4 = getelementptr float, float* %ptr, i64 4
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%idx5 = getelementptr float, float* %ptr, i64 5
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%idx6 = getelementptr float, float* %ptr, i64 6
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%idx7 = getelementptr float, float* %ptr, i64 7
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store float 0.0, float* %idx0, align 4
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store float 0.0, float* %idx1, align 4
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store float 0.0, float* %idx2, align 4
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store float 0.0, float* %idx3, align 4
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store float 0.0, float* %idx4, align 4
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store float 0.0, float* %idx5, align 4
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store float 0.0, float* %idx6, align 4
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store float 0.0, float* %idx7, align 4
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ret void
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}
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