| ; RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s |
| |
| |
| ; GCN-LABEL: {{^}}sub_var_var_i1: |
| ; GCN: s_xor_b64 |
| define amdgpu_kernel void @sub_var_var_i1(i1 addrspace(1)* %out, i1 addrspace(1)* %in0, i1 addrspace(1)* %in1) { |
| %a = load volatile i1, i1 addrspace(1)* %in0 |
| %b = load volatile i1, i1 addrspace(1)* %in1 |
| %sub = sub i1 %a, %b |
| store i1 %sub, i1 addrspace(1)* %out |
| ret void |
| } |
| |
| ; GCN-LABEL: {{^}}sub_var_imm_i1: |
| ; GCN: s_not_b64 |
| define amdgpu_kernel void @sub_var_imm_i1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) { |
| %a = load volatile i1, i1 addrspace(1)* %in |
| %sub = sub i1 %a, 1 |
| store i1 %sub, i1 addrspace(1)* %out |
| ret void |
| } |
| |
| ; GCN-LABEL: {{^}}sub_i1_cf: |
| ; GCN: ; %endif |
| ; GCN: s_not_b64 |
| define amdgpu_kernel void @sub_i1_cf(i1 addrspace(1)* %out, i1 addrspace(1)* %a, i1 addrspace(1)* %b) { |
| entry: |
| %tid = call i32 @llvm.amdgcn.workitem.id.x() |
| %d_cmp = icmp ult i32 %tid, 16 |
| br i1 %d_cmp, label %if, label %else |
| |
| if: |
| %0 = load volatile i1, i1 addrspace(1)* %a |
| br label %endif |
| |
| else: |
| %1 = load volatile i1, i1 addrspace(1)* %b |
| br label %endif |
| |
| endif: |
| %2 = phi i1 [%0, %if], [%1, %else] |
| %3 = sub i1 %2, -1 |
| store i1 %3, i1 addrspace(1)* %out |
| ret void |
| } |
| |
| declare i32 @llvm.amdgcn.workitem.id.x() |