| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 |
| ; RUN: llc -march=amdgcn -mcpu=gfx1100 < %s | FileCheck --check-prefixes=DEFAULT %s |
| ; RUN: llc -march=amdgcn -mcpu=gfx1100 -amdgpu-waitcnt-load-forcezero < %s | FileCheck --check-prefixes=LDZERO %s |
| |
| define amdgpu_kernel void @copy(ptr addrspace(1) noalias nocapture readonly %src1, ptr addrspace(1) noalias nocapture readonly %src2, ptr addrspace(1) noalias nocapture writeonly %dst1, ptr addrspace(1) noalias nocapture writeonly %dst2) { |
| ; DEFAULT-LABEL: copy: |
| ; DEFAULT: ; %bb.0: |
| ; DEFAULT-NEXT: s_load_b256 s[0:7], s[4:5], 0x24 |
| ; DEFAULT-NEXT: v_and_b32_e32 v0, 0x3ff, v0 |
| ; DEFAULT-NEXT: s_delay_alu instid0(VALU_DEP_1) |
| ; DEFAULT-NEXT: v_lshlrev_b32_e32 v0, 2, v0 |
| ; DEFAULT-NEXT: s_waitcnt lgkmcnt(0) |
| ; DEFAULT-NEXT: s_clause 0x1 |
| ; DEFAULT-NEXT: global_load_b32 v1, v0, s[0:1] |
| ; DEFAULT-NEXT: global_load_b32 v2, v0, s[2:3] |
| ; DEFAULT-NEXT: s_waitcnt vmcnt(1) |
| ; DEFAULT-NEXT: global_store_b32 v0, v1, s[4:5] |
| ; DEFAULT-NEXT: s_waitcnt vmcnt(0) |
| ; DEFAULT-NEXT: global_store_b32 v0, v2, s[6:7] |
| ; DEFAULT-NEXT: s_endpgm |
| ; |
| ; LDZERO-LABEL: copy: |
| ; LDZERO: ; %bb.0: |
| ; LDZERO-NEXT: s_load_b256 s[0:7], s[4:5], 0x24 |
| ; LDZERO-NEXT: v_and_b32_e32 v0, 0x3ff, v0 |
| ; LDZERO-NEXT: s_delay_alu instid0(VALU_DEP_1) |
| ; LDZERO-NEXT: v_lshlrev_b32_e32 v0, 2, v0 |
| ; LDZERO-NEXT: s_waitcnt lgkmcnt(0) |
| ; LDZERO-NEXT: s_clause 0x1 |
| ; LDZERO-NEXT: global_load_b32 v1, v0, s[0:1] |
| ; LDZERO-NEXT: global_load_b32 v2, v0, s[2:3] |
| ; LDZERO-NEXT: s_waitcnt vmcnt(0) |
| ; LDZERO-NEXT: s_clause 0x1 |
| ; LDZERO-NEXT: global_store_b32 v0, v1, s[4:5] |
| ; LDZERO-NEXT: global_store_b32 v0, v2, s[6:7] |
| ; LDZERO-NEXT: s_endpgm |
| %id = tail call i32 @llvm.amdgcn.workitem.id.x() |
| %idx = zext i32 %id to i64 |
| %gep.ld1 = getelementptr inbounds nuw float, ptr addrspace(1) %src1, i64 %idx |
| %v1 = load float, ptr addrspace(1) %gep.ld1, align 4 |
| %gep.ld2 = getelementptr inbounds nuw float, ptr addrspace(1) %src2, i64 %idx |
| %v2 = load float, ptr addrspace(1) %gep.ld2, align 4 |
| %gep.st1 = getelementptr inbounds nuw float, ptr addrspace(1) %dst1, i64 %idx |
| store float %v1, ptr addrspace(1) %gep.st1, align 4 |
| %gep.st2 = getelementptr inbounds nuw float, ptr addrspace(1) %dst2, i64 %idx |
| store float %v2, ptr addrspace(1) %gep.st2, align 4 |
| ret void |
| } |