59 lines
2.7 KiB
LLVM
59 lines
2.7 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx2 | FileCheck %s --check-prefix=AVX2
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=f16c,fma | FileCheck %s --check-prefix=F16C
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx512vl | FileCheck %s --check-prefix=F16C
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx512fp16 | FileCheck %s --check-prefix=FP16
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define <2 x half> @foo(<2 x half> %0) "unsafe-fp-math"="true" nounwind {
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; AVX2-LABEL: foo:
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; AVX2: # %bb.0:
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; AVX2-NEXT: subq $40, %rsp
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; AVX2-NEXT: vmovdqa %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
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; AVX2-NEXT: vpsrld $16, %xmm0, %xmm0
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; AVX2-NEXT: callq __extendhfsf2@PLT
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; AVX2-NEXT: vmulss {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
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; AVX2-NEXT: callq __truncsfhf2@PLT
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; AVX2-NEXT: vmovss %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
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; AVX2-NEXT: vmovaps {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Reload
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; AVX2-NEXT: callq __extendhfsf2@PLT
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; AVX2-NEXT: vmovss %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
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; AVX2-NEXT: vmovss {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 4-byte Reload
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; AVX2-NEXT: # xmm0 = mem[0],zero,zero,zero
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; AVX2-NEXT: callq __extendhfsf2@PLT
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; AVX2-NEXT: vsubss {{[-0-9]+}}(%r{{[sb]}}p), %xmm0, %xmm0 # 4-byte Folded Reload
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; AVX2-NEXT: callq __truncsfhf2@PLT
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; AVX2-NEXT: addq $40, %rsp
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; AVX2-NEXT: retq
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;
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; F16C-LABEL: foo:
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; F16C: # %bb.0:
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; F16C-NEXT: vpsrld $16, %xmm0, %xmm1
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; F16C-NEXT: vcvtph2ps %xmm1, %ymm1
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; F16C-NEXT: vmulps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
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; F16C-NEXT: vcvtps2ph $4, %ymm1, %xmm1
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; F16C-NEXT: vcvtph2ps %xmm0, %ymm0
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; F16C-NEXT: vcvtph2ps %xmm1, %ymm1
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; F16C-NEXT: vsubps %ymm0, %ymm1, %ymm2
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; F16C-NEXT: vcvtps2ph $4, %ymm2, %xmm2
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; F16C-NEXT: vaddps %ymm0, %ymm1, %ymm0
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; F16C-NEXT: vcvtps2ph $4, %ymm0, %xmm0
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; F16C-NEXT: vpblendw {{.*#+}} xmm0 = xmm2[0],xmm0[1],xmm2[2,3,4,5,6,7]
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; F16C-NEXT: vzeroupper
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; F16C-NEXT: retq
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;
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; FP16-LABEL: foo:
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; FP16: # %bb.0:
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; FP16-NEXT: vpsrld $16, %xmm0, %xmm1
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; FP16-NEXT: vfmaddsub231ph {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1, %xmm0
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; FP16-NEXT: retq
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%2 = shufflevector <2 x half> %0, <2 x half> undef, <2 x i32> <i32 1, i32 2>
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%3 = fmul fast <2 x half> %2, <half 0xH3D3A, half 0xH3854>
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%4 = fsub fast <2 x half> %3, %0
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%5 = fadd fast <2 x half> %3, %0
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%6 = shufflevector <2 x half> %4, <2 x half> %5, <2 x i32> <i32 0, i32 3>
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%7 = fadd fast <2 x half> %6, zeroinitializer
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%8 = shufflevector <2 x half> undef, <2 x half> %7, <2 x i32> <i32 0, i32 3>
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%9 = fsub fast <2 x half> %8, zeroinitializer
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ret <2 x half> %9
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}
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