xref: /llvm-project/llvm/test/CodeGen/X86/amx-fp8-internal.ll (revision abbfed9be7e0a247ac0ca248b4b7304d879b026a)

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+amx-tile,+avx512f \
; RUN: -mattr=+amx-fp8 -verify-machineinstrs | FileCheck %s

define void @test_amx(i8* %pointer, i8* %base, i64 %stride) {
; CHECK-LABEL: test_amx:
; CHECK:       # %bb.0:
; CHECK-NEXT:    pushq %rbp
; CHECK-NEXT:    .cfi_def_cfa_offset 16
; CHECK-NEXT:    subq $3952, %rsp # imm = 0xF70
; CHECK-NEXT:    .cfi_def_cfa_offset 3968
; CHECK-NEXT:    .cfi_offset %rbp, -16
; CHECK-NEXT:    vxorps %xmm0, %xmm0, %xmm0
; CHECK-NEXT:    vmovups %zmm0, {{[0-9]+}}(%rsp)
; CHECK-NEXT:    movb $1, {{[0-9]+}}(%rsp)
; CHECK-NEXT:    movb $8, {{[0-9]+}}(%rsp)
; CHECK-NEXT:    movw $8, {{[0-9]+}}(%rsp)
; CHECK-NEXT:    movb $8, {{[0-9]+}}(%rsp)
; CHECK-NEXT:    movw $8, {{[0-9]+}}(%rsp)
; CHECK-NEXT:    movb $8, {{[0-9]+}}(%rsp)
; CHECK-NEXT:    movw $8, {{[0-9]+}}(%rsp)
; CHECK-NEXT:    movb $8, {{[0-9]+}}(%rsp)
; CHECK-NEXT:    movw $8, {{[0-9]+}}(%rsp)
; CHECK-NEXT:    movb $8, {{[0-9]+}}(%rsp)
; CHECK-NEXT:    movw $8, {{[0-9]+}}(%rsp)
; CHECK-NEXT:    ldtilecfg {{[0-9]+}}(%rsp)
; CHECK-NEXT:    movw $8, %ax
; CHECK-NEXT:    tileloadd (%rsi,%rdx), %tmm0
; CHECK-NEXT:    tilezero %tmm1
; CHECK-NEXT:    tilezero %tmm2
; CHECK-NEXT:    movabsq $64, %rbp
; CHECK-NEXT:    tilestored %tmm2, 896(%rsp,%rbp) # 1024-byte Folded Spill
; CHECK-NEXT:    tileloadd 896(%rsp,%rbp), %tmm3 # 1024-byte Folded Reload
; CHECK-NEXT:    tdpbf8ps %tmm1, %tmm0, %tmm3
; CHECK-NEXT:    tdpbhf8ps %tmm1, %tmm0, %tmm3
; CHECK-NEXT:    tilestored %tmm2, 1920(%rsp,%rbp) # 1024-byte Folded Spill
; CHECK-NEXT:    tileloadd 1920(%rsp,%rbp), %tmm4 # 1024-byte Folded Reload
; CHECK-NEXT:    tdphbf8ps %tmm1, %tmm0, %tmm4
; CHECK-NEXT:    tdphf8ps %tmm1, %tmm0, %tmm2
; CHECK-NEXT:    tilestored %tmm3, (%rdi,%rdx)
; CHECK-NEXT:    addq $3952, %rsp # imm = 0xF70
; CHECK-NEXT:    .cfi_def_cfa_offset 16
; CHECK-NEXT:    popq %rbp
; CHECK-NEXT:    .cfi_def_cfa_offset 8
; CHECK-NEXT:    tilerelease
; CHECK-NEXT:    vzeroupper
; CHECK-NEXT:    retq

  %a = call x86_amx @llvm.x86.tileloadd64.internal(i16 8, i16 8, i8* %base, i64 %stride)
  %b = call x86_amx @llvm.x86.tilezero.internal(i16 8, i16 8)
  %c = call x86_amx @llvm.x86.tilezero.internal(i16 8, i16 8)

  %c1 = call x86_amx @llvm.x86.tdpbf8ps.internal(i16 8, i16 8, i16 8, x86_amx %c, x86_amx %a, x86_amx %b)
  %c2 = call x86_amx @llvm.x86.tdpbhf8ps.internal(i16 8, i16 8, i16 8, x86_amx %c1, x86_amx %a, x86_amx %b)
  %c3 = call x86_amx @llvm.x86.tdphbf8ps.internal(i16 8, i16 8, i16 8, x86_amx %c, x86_amx %a, x86_amx %b)
  %c4 = call x86_amx @llvm.x86.tdphf8ps.internal(i16 8, i16 8, i16 8, x86_amx %c, x86_amx %a, x86_amx %b)

  call void @llvm.x86.tilestored64.internal(i16 8, i16 8, i8* %pointer, i64 %stride, x86_amx %c2)
  ret void
}

; Function Attrs: nounwind
define dso_local void @__tile_dpbf8ps(ptr %dst, ptr %src1, ptr %src2) #0 {
; CHECK-LABEL: __tile_dpbf8ps:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    pushq %rbp
; CHECK-NEXT:    subq $4976, %rsp # imm = 0x1370
; CHECK-NEXT:    vxorps %xmm0, %xmm0, %xmm0
; CHECK-NEXT:    vmovups %zmm0, {{[0-9]+}}(%rsp)
; CHECK-NEXT:    movb $1, {{[0-9]+}}(%rsp)
; CHECK-NEXT:    movzwl (%rsi), %eax
; CHECK-NEXT:    movb %al, {{[0-9]+}}(%rsp)
; CHECK-NEXT:    movb %al, {{[0-9]+}}(%rsp)
; CHECK-NEXT:    movb %al, {{[0-9]+}}(%rsp)
; CHECK-NEXT:    movswq 2(%rdx), %rcx
; CHECK-NEXT:    movw %cx, {{[0-9]+}}(%rsp)
; CHECK-NEXT:    movw %cx, {{[0-9]+}}(%rsp)
; CHECK-NEXT:    movw %cx, {{[0-9]+}}(%rsp)
; CHECK-NEXT:    movswq 2(%rsi), %r8
; CHECK-NEXT:    movw %r8w, {{[0-9]+}}(%rsp)
; CHECK-NEXT:    movzwl %r8w, %r9d
; CHECK-NEXT:    movb %r9b, {{[0-9]+}}(%rsp)
; CHECK-NEXT:    shrl $2, %r9d
; CHECK-NEXT:    movb %r9b, {{[0-9]+}}(%rsp)
; CHECK-NEXT:    ldtilecfg {{[0-9]+}}(%rsp)
; CHECK-NEXT:    addq $64, %rdi
; CHECK-NEXT:    tileloadd (%rdi,%rcx), %tmm0
; CHECK-NEXT:    addq $64, %rsi
; CHECK-NEXT:    tileloadd (%rsi,%r8), %tmm1
; CHECK-NEXT:    addq $64, %rdx
; CHECK-NEXT:    tileloadd (%rdx,%rcx), %tmm2
; CHECK-NEXT:    movabsq $64, %rbp
; CHECK-NEXT:    tilestored %tmm0, 896(%rsp,%rbp) # 1024-byte Folded Spill
; CHECK-NEXT:    tileloadd 896(%rsp,%rbp), %tmm3 # 1024-byte Folded Reload
; CHECK-NEXT:    tdpbf8ps %tmm2, %tmm1, %tmm3
; CHECK-NEXT:    tilestored %tmm3, (%rdi,%rcx)
; CHECK-NEXT:    tilestored %tmm0, 1920(%rsp,%rbp) # 1024-byte Folded Spill
; CHECK-NEXT:    tileloadd 1920(%rsp,%rbp), %tmm3 # 1024-byte Folded Reload
; CHECK-NEXT:    tdpbhf8ps %tmm2, %tmm1, %tmm3
; CHECK-NEXT:    tilestored %tmm3, (%rdi,%rcx)
; CHECK-NEXT:    tilestored %tmm0, 2944(%rsp,%rbp) # 1024-byte Folded Spill
; CHECK-NEXT:    tileloadd 2944(%rsp,%rbp), %tmm3 # 1024-byte Folded Reload
; CHECK-NEXT:    tdphbf8ps %tmm2, %tmm1, %tmm3
; CHECK-NEXT:    tilestored %tmm3, (%rdi,%rcx)
; CHECK-NEXT:    tdphf8ps %tmm2, %tmm1, %tmm0
; CHECK-NEXT:    tilestored %tmm0, (%rdi,%rcx)
; CHECK-NEXT:    addq $4976, %rsp # imm = 0x1370
; CHECK-NEXT:    popq %rbp
; CHECK-NEXT:    tilerelease
; CHECK-NEXT:    vzeroupper
; CHECK-NEXT:    retq
entry:
  %0 = load i16, ptr %src1, align 64
  %col = getelementptr inbounds nuw i8, ptr %src2, i64 2
  %1 = load i16, ptr %col, align 2
  %col1 = getelementptr inbounds nuw i8, ptr %src1, i64 2
  %2 = load i16, ptr %col1, align 2
  %tile = getelementptr inbounds nuw i8, ptr %dst, i64 64
  %3 = load <256 x i32>, ptr %tile, align 64
  %tile2 = getelementptr inbounds nuw i8, ptr %src1, i64 64
  %4 = load <256 x i32>, ptr %tile2, align 64
  %tile3 = getelementptr inbounds nuw i8, ptr %src2, i64 64
  %5 = load <256 x i32>, ptr %tile3, align 64
  %6 = tail call x86_amx @llvm.x86.cast.vector.to.tile.v256i32(<256 x i32> %3)
  %7 = tail call x86_amx @llvm.x86.cast.vector.to.tile.v256i32(<256 x i32> %4)
  %8 = tail call x86_amx @llvm.x86.cast.vector.to.tile.v256i32(<256 x i32> %5)

  %9 = tail call x86_amx @llvm.x86.tdpbf8ps.internal(i16 %0, i16 %1, i16 %2, x86_amx %6, x86_amx %7, x86_amx %8)
  %10 = tail call <256 x i32> @llvm.x86.cast.tile.to.vector.v256i32(x86_amx %9)
  store <256 x i32> %10, ptr %tile, align 64

  %11 = tail call x86_amx @llvm.x86.tdpbhf8ps.internal(i16 %0, i16 %1, i16 %2, x86_amx %6, x86_amx %7, x86_amx %8)
  %12 = tail call <256 x i32> @llvm.x86.cast.tile.to.vector.v256i32(x86_amx %11)
  store <256 x i32> %12, ptr %tile, align 64

  %13 = tail call x86_amx @llvm.x86.tdphbf8ps.internal(i16 %0, i16 %1, i16 %2, x86_amx %6, x86_amx %7, x86_amx %8)
  %14 = tail call <256 x i32> @llvm.x86.cast.tile.to.vector.v256i32(x86_amx %13)
  store <256 x i32> %14, ptr %tile, align 64

  %15 = tail call x86_amx @llvm.x86.tdphf8ps.internal(i16 %0, i16 %1, i16 %2, x86_amx %6, x86_amx %7, x86_amx %8)
  %16 = tail call <256 x i32> @llvm.x86.cast.tile.to.vector.v256i32(x86_amx %15)
  store <256 x i32> %16, ptr %tile, align 64

  ret void
}

declare x86_amx @llvm.x86.tilezero.internal(i16, i16)
declare x86_amx @llvm.x86.tileloadd64.internal(i16, i16, i8*, i64)
declare void @llvm.x86.tilestored64.internal(i16, i16, i8*, i64, x86_amx)

declare x86_amx @llvm.x86.tdpbf8ps.internal(i16, i16, i16, x86_amx, x86_amx, x86_amx)
declare x86_amx @llvm.x86.tdpbhf8ps.internal(i16, i16, i16, x86_amx, x86_amx, x86_amx)
declare x86_amx @llvm.x86.tdphbf8ps.internal(i16, i16, i16, x86_amx, x86_amx, x86_amx)
declare x86_amx @llvm.x86.tdphf8ps.internal(i16, i16, i16, x86_amx, x86_amx, x86_amx)

attributes #0 = { nounwind }