derek.holloway
7502bf64a4
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65 lines
2.8 KiB
LLVM
65 lines
2.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -verify-machineinstrs | FileCheck %s --check-prefixes=SSE2
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx -verify-machineinstrs | FileCheck %s --check-prefixes=AVX
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f -verify-machineinstrs | FileCheck %s --check-prefixes=AVX512
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define half @test(float %f, ptr %p) nounwind {
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; SSE2-LABEL: test:
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; SSE2: # %bb.0:
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; SSE2-NEXT: pushq %rbx
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; SSE2-NEXT: subq $16, %rsp
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; SSE2-NEXT: movq %rdi, %rbx
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; SSE2-NEXT: callq __truncsfhf2@PLT
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; SSE2-NEXT: movss %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
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; SSE2-NEXT: callq __extendhfsf2@PLT
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; SSE2-NEXT: movss %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
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; SSE2-NEXT: #APP
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; SSE2-NEXT: #NO_APP
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; SSE2-NEXT: movss {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 4-byte Reload
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; SSE2-NEXT: # xmm0 = mem[0],zero,zero,zero
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; SSE2-NEXT: movss %xmm0, (%rbx)
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; SSE2-NEXT: movss {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 4-byte Reload
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; SSE2-NEXT: # xmm0 = mem[0],zero,zero,zero
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; SSE2-NEXT: addq $16, %rsp
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; SSE2-NEXT: popq %rbx
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; SSE2-NEXT: retq
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;
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; AVX-LABEL: test:
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; AVX: # %bb.0:
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; AVX-NEXT: pushq %rbx
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; AVX-NEXT: subq $16, %rsp
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; AVX-NEXT: movq %rdi, %rbx
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; AVX-NEXT: callq __truncsfhf2@PLT
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; AVX-NEXT: vmovss %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
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; AVX-NEXT: callq __extendhfsf2@PLT
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; AVX-NEXT: vmovss %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
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; AVX-NEXT: #APP
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; AVX-NEXT: #NO_APP
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; AVX-NEXT: vmovss {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 4-byte Reload
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; AVX-NEXT: # xmm0 = mem[0],zero,zero,zero
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; AVX-NEXT: vmovss %xmm0, (%rbx)
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; AVX-NEXT: vmovss {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 4-byte Reload
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; AVX-NEXT: # xmm0 = mem[0],zero,zero,zero
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; AVX-NEXT: addq $16, %rsp
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; AVX-NEXT: popq %rbx
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; AVX-NEXT: retq
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;
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; AVX512-LABEL: test:
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; AVX512: # %bb.0:
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; AVX512-NEXT: vcvtps2ph $4, %xmm0, %xmm0
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; AVX512-NEXT: vmovaps %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
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; AVX512-NEXT: vcvtph2ps %xmm0, %xmm0
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; AVX512-NEXT: vmovaps %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
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; AVX512-NEXT: #APP
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; AVX512-NEXT: #NO_APP
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; AVX512-NEXT: vmovaps {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Reload
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; AVX512-NEXT: vmovss %xmm0, (%rdi)
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; AVX512-NEXT: vmovaps {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Reload
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; AVX512-NEXT: retq
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%t = fptrunc float %f to half
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%t2 = fpext half %t to float
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tail call void asm sideeffect "", "~{xmm0},~{xmm1},~{xmm2},~{xmm3},~{xmm4},~{xmm5},~{xmm6},~{xmm7},~{xmm8},~{xmm9},~{xmm10},~{xmm11},~{xmm12},~{xmm13},~{xmm14},~{xmm15},~{dirflag},~{fpsr},~{flags}"()
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store float %t2, ptr %p
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ret half %t
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}
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