| ; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s |
| ; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s |
| |
| ; SI-LABEL: {{^}}s_mulk_i32_k0: |
| ; SI: s_load_dword [[VAL:s[0-9]+]] |
| ; SI: s_mulk_i32 [[VAL]], 0x41 |
| ; SI: v_mov_b32_e32 [[VRESULT:v[0-9]+]], [[VAL]] |
| ; SI: buffer_store_dword [[VRESULT]] |
| ; SI: s_endpgm |
| define amdgpu_kernel void @s_mulk_i32_k0(i32 addrspace(1)* %out, i32 %b) { |
| %mul = mul i32 %b, 65 |
| store i32 %mul, i32 addrspace(1)* %out |
| ret void |
| } |
| |
| ; SI-LABEL: {{^}}s_mulk_i32_k1: |
| ; SI: s_mulk_i32 {{s[0-9]+}}, 0x7fff{{$}} |
| ; SI: s_endpgm |
| define amdgpu_kernel void @s_mulk_i32_k1(i32 addrspace(1)* %out, i32 %b) { |
| %mul = mul i32 %b, 32767 ; (1 << 15) - 1 |
| store i32 %mul, i32 addrspace(1)* %out |
| ret void |
| } |
| |
| ; SI-LABEL: {{^}}s_mulk_i32_k2: |
| ; SI: s_mulk_i32 {{s[0-9]+}}, 0xffef{{$}} |
| ; SI: s_endpgm |
| define amdgpu_kernel void @s_mulk_i32_k2(i32 addrspace(1)* %out, i32 %b) { |
| %mul = mul i32 %b, -17 |
| store i32 %mul, i32 addrspace(1)* %out |
| ret void |
| } |
| |
| ; SI-LABEL: {{^}}no_s_mulk_i32_k0: |
| ; SI: s_mul_i32 {{s[0-9]+}}, {{s[0-9]+}}, 0x8001{{$}} |
| ; SI: s_endpgm |
| define amdgpu_kernel void @no_s_mulk_i32_k0(i32 addrspace(1)* %out, i32 %b) { |
| %mul = mul i32 %b, 32769 ; 1 << 15 + 1 |
| store i32 %mul, i32 addrspace(1)* %out |
| ret void |
| } |
| |
| @lds = addrspace(3) global [512 x i32] undef, align 4 |
| |
| ; SI-LABEL: {{^}}commute_s_mulk_i32: |
| ; SI: s_mulk_i32 s{{[0-9]+}}, 0x800{{$}} |
| define amdgpu_kernel void @commute_s_mulk_i32(i32 addrspace(1)* %out, i32 %b) #0 { |
| %size = call i32 @llvm.amdgcn.groupstaticsize() |
| %add = mul i32 %size, %b |
| call void asm sideeffect "; foo $0, $1", "v,s"([512 x i32] addrspace(3)* @lds, i32 %add) |
| ret void |
| } |
| |
| declare i32 @llvm.amdgcn.groupstaticsize() #1 |
| |
| attributes #0 = { nounwind } |
| attributes #1 = { nounwind readnone } |