1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -march=amdgcn -mcpu=gfx1100 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=GFX11
; RUN: llc -global-isel -march=amdgcn -mcpu=gfx1100 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=GFX11
declare float @llvm.amdgcn.fdot2.f32.bf16(<2 x i16> %a, <2 x i16> %b, float %c, i1 %clamp)
define amdgpu_kernel void @test_llvm_amdgcn_fdot2_f32_bf16_clamp(
; GFX11-LABEL: test_llvm_amdgcn_fdot2_f32_bf16_clamp:
; GFX11: ; %bb.0: ; %entry
; GFX11-NEXT: s_load_b256 s[0:7], s[0:1], 0x24
; GFX11-NEXT: s_waitcnt lgkmcnt(0)
; GFX11-NEXT: s_load_b32 s6, s[6:7], 0x0
; GFX11-NEXT: s_load_b32 s2, s[2:3], 0x0
; GFX11-NEXT: s_load_b32 s3, s[4:5], 0x0
; GFX11-NEXT: s_waitcnt lgkmcnt(0)
; GFX11-NEXT: v_dual_mov_b32 v1, 0 :: v_dual_mov_b32 v0, s6
; GFX11-NEXT: s_delay_alu instid0(VALU_DEP_1)
; GFX11-NEXT: v_dot2_f32_bf16 v0, s2, s3, v0 clamp
; GFX11-NEXT: global_store_b32 v1, v0, s[0:1]
; GFX11-NEXT: s_nop 0
; GFX11-NEXT: s_sendmsg sendmsg(MSG_DEALLOC_VGPRS)
; GFX11-NEXT: s_endpgm
ptr addrspace(1) %r,
ptr addrspace(1) %a,
ptr addrspace(1) %b,
ptr addrspace(1) %c) {
entry:
%a.val = load <2 x i16>, ptr addrspace(1) %a
%b.val = load <2 x i16>, ptr addrspace(1) %b
%c.val = load float, ptr addrspace(1) %c
%r.val = call float @llvm.amdgcn.fdot2.f32.bf16(<2 x i16> %a.val, <2 x i16> %b.val, float %c.val, i1 1)
store float %r.val, ptr addrspace(1) %r
ret void
}
define amdgpu_kernel void @test_llvm_amdgcn_fdot2_f32_bf16_no_clamp(
; GFX11-LABEL: test_llvm_amdgcn_fdot2_f32_bf16_no_clamp:
; GFX11: ; %bb.0: ; %entry
; GFX11-NEXT: s_load_b256 s[0:7], s[0:1], 0x24
; GFX11-NEXT: s_waitcnt lgkmcnt(0)
; GFX11-NEXT: s_load_b32 s6, s[6:7], 0x0
; GFX11-NEXT: s_load_b32 s2, s[2:3], 0x0
; GFX11-NEXT: s_load_b32 s3, s[4:5], 0x0
; GFX11-NEXT: s_waitcnt lgkmcnt(0)
; GFX11-NEXT: v_dual_mov_b32 v1, 0 :: v_dual_mov_b32 v0, s6
; GFX11-NEXT: s_delay_alu instid0(VALU_DEP_1)
; GFX11-NEXT: v_dot2_f32_bf16 v0, s2, s3, v0
; GFX11-NEXT: global_store_b32 v1, v0, s[0:1]
; GFX11-NEXT: s_nop 0
; GFX11-NEXT: s_sendmsg sendmsg(MSG_DEALLOC_VGPRS)
; GFX11-NEXT: s_endpgm
ptr addrspace(1) %r,
ptr addrspace(1) %a,
ptr addrspace(1) %b,
ptr addrspace(1) %c) {
entry:
%a.val = load <2 x i16>, ptr addrspace(1) %a
%b.val = load <2 x i16>, ptr addrspace(1) %b
%c.val = load float, ptr addrspace(1) %c
%r.val = call float @llvm.amdgcn.fdot2.f32.bf16(<2 x i16> %a.val, <2 x i16> %b.val, float %c.val, i1 0)
store float %r.val, ptr addrspace(1) %r
ret void
}
|
