1; RUN: llc -march=amdgcn -mcpu=gfx906 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=GCN,GFX906
2; RUN: llc -march=amdgcn -mcpu=gfx1011 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=GCN,GFX10
3; RUN: llc -march=amdgcn -mcpu=gfx1012 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=GCN,GFX10
4
5declare float @llvm.amdgcn.fdot2(<2 x half> %a, <2 x half> %b, float %c, i1 %clamp)
6
7; GCN-LABEL: {{^}}test_llvm_amdgcn_fdot2_clamp
8; GFX906: v_dot2_f32_f16 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}} clamp{{$}}
9; GFX10:  v_dot2_f32_f16 v{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}} clamp{{$}}
10define amdgpu_kernel void @test_llvm_amdgcn_fdot2_clamp(
11    float addrspace(1)* %r,
12    <2 x half> addrspace(1)* %a,
13    <2 x half> addrspace(1)* %b,
14    float addrspace(1)* %c) {
15entry:
16  %a.val = load <2 x half>, <2 x half> addrspace(1)* %a
17  %b.val = load <2 x half>, <2 x half> addrspace(1)* %b
18  %c.val = load float, float addrspace(1)* %c
19  %r.val = call float @llvm.amdgcn.fdot2(<2 x half> %a.val, <2 x half> %b.val, float %c.val, i1 1)
20  store float %r.val, float addrspace(1)* %r
21  ret void
22}
23
24; GCN-LABEL: {{^}}test_llvm_amdgcn_fdot2_no_clamp
25; GFX906: v_dot2_f32_f16 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}{{$}}
26; GFX10:  v_dot2c_f32_f16_e32 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}{{$}}
27define amdgpu_kernel void @test_llvm_amdgcn_fdot2_no_clamp(
28    float addrspace(1)* %r,
29    <2 x half> addrspace(1)* %a,
30    <2 x half> addrspace(1)* %b,
31    float addrspace(1)* %c) {
32entry:
33  %a.val = load <2 x half>, <2 x half> addrspace(1)* %a
34  %b.val = load <2 x half>, <2 x half> addrspace(1)* %b
35  %c.val = load float, float addrspace(1)* %c
36  %r.val = call float @llvm.amdgcn.fdot2(<2 x half> %a.val, <2 x half> %b.val, float %c.val, i1 0)
37  store float %r.val, float addrspace(1)* %r
38  ret void
39}
40
41; GFX906-LABEL: {{^}}fdot2_inline_literal
42; GFX906: v_dot2_f32_f16 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}, 1.0
43define float @fdot2_inline_literal(<2 x half> %a, <2 x half> %b) {
44  %ret = tail call float @llvm.amdgcn.fdot2(<2 x half> %a, <2 x half> %b, float 1.0, i1 false)
45  ret float %ret
46}
47