| ; RUN: llc -mtriple=amdgcn -mcpu=gfx906 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=GCN,GFX9,GFX906 |
| ; RUN: llc -mtriple=amdgcn -mcpu=gfx940 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=GCN,GFX9,GFX940-SDAG |
| ; RUN: llc -mtriple=amdgcn -mcpu=gfx940 -global-isel -verify-machineinstrs < %s | FileCheck %s --check-prefixes=GCN,GFX9,GFX940-GISEL |
| ; RUN: llc -mtriple=amdgcn -mcpu=gfx1011 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=GCN,GFX10 |
| ; RUN: llc -mtriple=amdgcn -mcpu=gfx1012 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=GCN,GFX10 |
| |
| declare i32 @llvm.amdgcn.udot2(<2 x i16> %a, <2 x i16> %b, i32 %c, i1 %clamp) |
| declare i32 @llvm.amdgcn.workitem.id.x() |
| |
| ; GCN-LABEL: {{^}}test_llvm_amdgcn_udot2_clamp: |
| ; GFX9: v_dot2_u32_u16 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}} clamp{{$}} |
| ; GFX10: v_dot2_u32_u16 v{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}} clamp{{$}} |
| define amdgpu_kernel void @test_llvm_amdgcn_udot2_clamp( |
| 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 i32, ptr addrspace(1) %c |
| %r.val = call i32 @llvm.amdgcn.udot2(<2 x i16> %a.val, <2 x i16> %b.val, i32 %c.val, i1 1) |
| store i32 %r.val, ptr addrspace(1) %r |
| ret void |
| } |
| |
| ; GCN-LABEL: {{^}}test_llvm_amdgcn_udot2_no_clamp: |
| ; GFX9: v_dot2_u32_u16 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}{{$}} |
| ; GFX10: v_dot2_u32_u16 v{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}{{$}} |
| define amdgpu_kernel void @test_llvm_amdgcn_udot2_no_clamp( |
| 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 i32, ptr addrspace(1) %c |
| %r.val = call i32 @llvm.amdgcn.udot2(<2 x i16> %a.val, <2 x i16> %b.val, i32 %c.val, i1 0) |
| store i32 %r.val, ptr addrspace(1) %r |
| ret void |
| } |
| |
| ; GCN-LABEL: {{^}}test_llvm_amdgcn_udot2_op_sel: |
| ; 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]{{$}} |
| ; GFX940-SDAG: s_mov_b32 [[K:s[0-9]+]], 0x10001 |
| ; GFX940-SDAG: v_dot2_u32_u16 v{{[0-9]+}}, [[K]], v{{[0-9]+}}, v{{[0-9]+}}{{$}} |
| ; GFX940-GISEL: v_mov_b32_e32 [[K:v[0-9]+]], 0x10001 |
| ; GFX940-GISEL: v_dot2_u32_u16 v{{[0-9]+}}, [[K]], v{{[0-9]+}}, s{{[0-9]+}}{{$}} |
| ; GFX10: v_dot2_u32_u16 v{{[0-9]+}}, 1, v{{[0-9]+}}, s{{[0-9]+}} op_sel:[0,1,0] op_sel_hi:[0,0,1]{{$}} |
| define amdgpu_kernel void @test_llvm_amdgcn_udot2_op_sel( |
| ptr addrspace(1) %r, |
| ptr addrspace(1) %b, |
| i32 %c) { |
| entry: |
| %id = tail call i32 @llvm.amdgcn.workitem.id.x() |
| %b.gep = getelementptr inbounds <2 x i16>, ptr addrspace(1) %b, i32 %id |
| %b.val = load <2 x i16>, ptr addrspace(1) %b.gep |
| %b.elt0 = extractelement <2 x i16> %b.val, i32 0 |
| %b.elt1 = extractelement <2 x i16> %b.val, i32 1 |
| %b0 = insertelement <2 x i16> undef, i16 %b.elt1, i32 0 |
| %b1 = insertelement <2 x i16> %b0, i16 %b.elt0, i32 1 |
| %r.val = call i32 @llvm.amdgcn.udot2(<2 x i16> <i16 1, i16 1>, <2 x i16> %b1, i32 %c, i1 0) |
| store i32 %r.val, ptr addrspace(1) %r |
| ret void |
| } |