75 lines
2.9 KiB
LLVM
75 lines
2.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
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; RUN: llc < %s -mtriple=x86_64-linux-gnu -mattr=avx512bf16 | FileCheck %s
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define void @add(ptr %pa, ptr %pb, ptr %pc) nounwind {
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; CHECK-LABEL: add:
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; CHECK: # %bb.0:
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; CHECK-NEXT: pushq %rbx
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; CHECK-NEXT: movq %rdx, %rbx
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; CHECK-NEXT: movzwl (%rsi), %eax
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; CHECK-NEXT: shll $16, %eax
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; CHECK-NEXT: vmovd %eax, %xmm0
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; CHECK-NEXT: movzwl (%rdi), %eax
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; CHECK-NEXT: shll $16, %eax
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; CHECK-NEXT: vmovd %eax, %xmm1
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; CHECK-NEXT: vaddss %xmm0, %xmm1, %xmm0
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; CHECK-NEXT: callq __truncsfbf2@PLT
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; CHECK-NEXT: vpextrw $0, %xmm0, (%rbx)
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; CHECK-NEXT: popq %rbx
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; CHECK-NEXT: retq
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%a = load bfloat, ptr %pa
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%b = load bfloat, ptr %pb
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%add = fadd bfloat %a, %b
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store bfloat %add, ptr %pc
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ret void
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}
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define <4 x bfloat> @fptrunc_v4f32(<4 x float> %a) nounwind {
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; CHECK-LABEL: fptrunc_v4f32:
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; CHECK: # %bb.0:
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; CHECK-NEXT: pushq %rbp
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; CHECK-NEXT: pushq %r15
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; CHECK-NEXT: pushq %r14
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; CHECK-NEXT: pushq %rbx
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; CHECK-NEXT: subq $72, %rsp
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; CHECK-NEXT: vmovaps %xmm0, (%rsp) # 16-byte Spill
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; CHECK-NEXT: callq __truncsfbf2@PLT
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; CHECK-NEXT: vmovaps %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
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; CHECK-NEXT: vpermilpd $1, (%rsp), %xmm0 # 16-byte Folded Reload
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; CHECK-NEXT: # xmm0 = mem[1,0]
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; CHECK-NEXT: callq __truncsfbf2@PLT
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; CHECK-NEXT: vmovapd %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
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; CHECK-NEXT: vpshufd $255, (%rsp), %xmm0 # 16-byte Folded Reload
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; CHECK-NEXT: # xmm0 = mem[3,3,3,3]
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; CHECK-NEXT: callq __truncsfbf2@PLT
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; CHECK-NEXT: vmovdqa %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
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; CHECK-NEXT: callq __truncsfbf2@PLT
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; CHECK-NEXT: vpextrw $0, %xmm0, %ebx
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; CHECK-NEXT: vmovdqa {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Reload
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; CHECK-NEXT: vpextrw $0, %xmm0, %ebp
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; CHECK-NEXT: vmovdqa {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Reload
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; CHECK-NEXT: vpextrw $0, %xmm0, %r14d
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; CHECK-NEXT: vmovdqa {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Reload
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; CHECK-NEXT: vpextrw $0, %xmm0, %r15d
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; CHECK-NEXT: vmovshdup (%rsp), %xmm0 # 16-byte Folded Reload
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; CHECK-NEXT: # xmm0 = mem[1,1,3,3]
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; CHECK-NEXT: callq __truncsfbf2@PLT
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; CHECK-NEXT: vpextrw $0, %xmm0, %eax
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; CHECK-NEXT: vmovd %r15d, %xmm0
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; CHECK-NEXT: vpinsrw $1, %eax, %xmm0, %xmm0
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; CHECK-NEXT: vpinsrw $2, %r14d, %xmm0, %xmm0
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; CHECK-NEXT: vpinsrw $3, %ebp, %xmm0, %xmm0
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; CHECK-NEXT: vpinsrw $4, %ebx, %xmm0, %xmm0
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; CHECK-NEXT: vpinsrw $5, %ebx, %xmm0, %xmm0
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; CHECK-NEXT: vpinsrw $6, %ebx, %xmm0, %xmm0
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; CHECK-NEXT: vpinsrw $7, %ebx, %xmm0, %xmm0
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; CHECK-NEXT: addq $72, %rsp
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; CHECK-NEXT: popq %rbx
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; CHECK-NEXT: popq %r14
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; CHECK-NEXT: popq %r15
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; CHECK-NEXT: popq %rbp
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; CHECK-NEXT: retq
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%b = fptrunc <4 x float> %a to <4 x bfloat>
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ret <4 x bfloat> %b
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}
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