diff options
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU/ctpop64.ll')
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/ctpop64.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/ctpop64.ll b/llvm/test/CodeGen/AMDGPU/ctpop64.ll index e1a0ee3ea21..82cdd52f2ce 100644 --- a/llvm/test/CodeGen/AMDGPU/ctpop64.ll +++ b/llvm/test/CodeGen/AMDGPU/ctpop64.ll @@ -36,6 +36,25 @@ define void @v_ctpop_i64(i32 addrspace(1)* noalias %out, i64 addrspace(1)* noali ret void } +; FIXME: We shouldn't emit the v_mov_b32 0 +; FUNC-LABEL: {{^}}v_ctpop_i64_user: +; GCN: buffer_load_dwordx2 v{{\[}}[[LOVAL:[0-9]+]]:[[HIVAL:[0-9]+]]{{\]}}, +; GCN: v_bcnt_u32_b32_e64 [[MIDRESULT:v[0-9]+]], v[[LOVAL]], 0 +; SI-NEXT: v_bcnt_u32_b32_e32 [[RESULT:v[0-9]+]], v[[HIVAL]], [[MIDRESULT]] +; VI-NEXT: v_bcnt_u32_b32_e64 [[RESULT:v[0-9]+]], v[[HIVAL]], [[MIDRESULT]] +; GCN-DAG: v_mov_b32_e32 v[[ZERO:[0-9]+]], 0{{$}} +; GCN-DAG: v_or_b32_e32 v[[RESULT_LO:[0-9]+]], s{{[0-9]+}}, [[RESULT]] +; GCN-DAG: v_or_b32_e32 v[[RESULT_HI:[0-9]+]], s{{[0-9]+}}, v[[ZERO]] +; GCN: buffer_store_dwordx2 v{{\[}}[[RESULT_LO]]:[[RESULT_HI]]{{\]}} +; GCN: s_endpgm +define void @v_ctpop_i64_user(i64 addrspace(1)* noalias %out, i64 addrspace(1)* noalias %in, i64 %s.val) nounwind { + %val = load i64, i64 addrspace(1)* %in, align 8 + %ctpop = call i64 @llvm.ctpop.i64(i64 %val) nounwind readnone + %or = or i64 %ctpop, %s.val + store i64 %or, i64 addrspace(1)* %out + ret void +} + ; FUNC-LABEL: {{^}}s_ctpop_v2i64: ; GCN: s_bcnt1_i32_b64 ; GCN: s_bcnt1_i32_b64 |
