1 ; RUN: llc -mtriple=amdgcn -mcpu=gfx906 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=GCN,GFX9,GFX906
2 ; RUN: llc -mtriple=amdgcn -mcpu=gfx940 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=GCN,GFX9,GFX940-SDAG
3 ; RUN: llc -mtriple=amdgcn -mcpu=gfx940 -global-isel -verify-machineinstrs < %s | FileCheck %s --check-prefixes=GCN,GFX9,GFX940-GISEL
4 ; RUN: llc -mtriple=amdgcn -mcpu=gfx1011 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=GCN,GFX10
5 ; RUN: llc -mtriple=amdgcn -mcpu=gfx1012 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=GCN,GFX10
7 declare i32 @llvm.amdgcn.udot2(<2 x i16> %a, <2 x i16> %b, i32 %c, i1 %clamp)
8 declare i32 @llvm.amdgcn.workitem.id.x()
10 ; GCN-LABEL: {{^}}test_llvm_amdgcn_udot2_clamp:
11 ; GFX9: v_dot2_u32_u16 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}} clamp{{$}}
12 ; GFX10: v_dot2_u32_u16 v{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}} clamp{{$}}
13 define amdgpu_kernel void @test_llvm_amdgcn_udot2_clamp(
17 ptr addrspace(1) %c) {
19 %a.val = load <2 x i16>, ptr addrspace(1) %a
20 %b.val = load <2 x i16>, ptr addrspace(1) %b
21 %c.val = load i32, ptr addrspace(1) %c
22 %r.val = call i32 @llvm.amdgcn.udot2(<2 x i16> %a.val, <2 x i16> %b.val, i32 %c.val, i1 1)
23 store i32 %r.val, ptr addrspace(1) %r
27 ; GCN-LABEL: {{^}}test_llvm_amdgcn_udot2_no_clamp:
28 ; GFX9: v_dot2_u32_u16 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}{{$}}
29 ; GFX10: v_dot2_u32_u16 v{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}{{$}}
30 define amdgpu_kernel void @test_llvm_amdgcn_udot2_no_clamp(
34 ptr addrspace(1) %c) {
36 %a.val = load <2 x i16>, ptr addrspace(1) %a
37 %b.val = load <2 x i16>, ptr addrspace(1) %b
38 %c.val = load i32, ptr addrspace(1) %c
39 %r.val = call i32 @llvm.amdgcn.udot2(<2 x i16> %a.val, <2 x i16> %b.val, i32 %c.val, i1 0)
40 store i32 %r.val, ptr addrspace(1) %r
44 ; GCN-LABEL: {{^}}test_llvm_amdgcn_udot2_op_sel:
45 ; GFX906: v_dot2_u32_u16 v{{[0-9]+}}, 1, v{{[0-9]+}}, s{{[0-9]+}} op_sel:[0,1,0] op_sel_hi:[0,0,1]{{$}}
46 ; GFX940-SDAG: s_mov_b32 [[K:s[0-9]+]], 0x10001
47 ; GFX940-SDAG: v_dot2_u32_u16 v{{[0-9]+}}, [[K]], v{{[0-9]+}}, v{{[0-9]+}}{{$}}
48 ; GFX940-GISEL: v_mov_b32_e32 [[K:v[0-9]+]], 0x10001
49 ; GFX940-GISEL: v_dot2_u32_u16 v{{[0-9]+}}, [[K]], v{{[0-9]+}}, s{{[0-9]+}}{{$}}
50 ; GFX10: v_dot2_u32_u16 v{{[0-9]+}}, 1, v{{[0-9]+}}, s{{[0-9]+}} op_sel:[0,1,0] op_sel_hi:[0,0,1]{{$}}
51 define amdgpu_kernel void @test_llvm_amdgcn_udot2_op_sel(
56 %id = tail call i32 @llvm.amdgcn.workitem.id.x()
57 %b.gep = getelementptr inbounds <2 x i16>, ptr addrspace(1) %b, i32 %id
58 %b.val = load <2 x i16>, ptr addrspace(1) %b.gep
59 %b.elt0 = extractelement <2 x i16> %b.val, i32 0
60 %b.elt1 = extractelement <2 x i16> %b.val, i32 1
61 %b0 = insertelement <2 x i16> undef, i16 %b.elt1, i32 0
62 %b1 = insertelement <2 x i16> %b0, i16 %b.elt0, i32 1
63 %r.val = call i32 @llvm.amdgcn.udot2(<2 x i16> <i16 1, i16 1>, <2 x i16> %b1, i32 %c, i1 0)
64 store i32 %r.val, ptr addrspace(1) %r