diff options
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU/shl_add_ptr.ll')
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/shl_add_ptr.ll | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/shl_add_ptr.ll b/llvm/test/CodeGen/AMDGPU/shl_add_ptr.ll index 379dcd62302..6c8891d28d6 100644 --- a/llvm/test/CodeGen/AMDGPU/shl_add_ptr.ll +++ b/llvm/test/CodeGen/AMDGPU/shl_add_ptr.ll @@ -33,7 +33,11 @@ define amdgpu_kernel void @load_shl_base_lds_0(float addrspace(1)* %out, i32 add ; remaining add use goes through the normal shl + add constant fold. ; GCN-LABEL: {{^}}load_shl_base_lds_1: -; GCN: v_lshlrev_b32_e32 [[PTR:v[0-9]+]], 2, {{v[0-9]+}} +; GCN: v_lshlrev_b32_e32 [[OFS:v[0-9]+]], 2, {{v[0-9]+}} + +; TODO: integrate into the ds_read_b32 offset using a 16-bit relocation +; GCN: v_add_{{[iu]}}32_e32 [[PTR:v[0-9]+]], vcc, lds0@abs32@lo, [[OFS]] + ; GCN: ds_read_b32 [[RESULT:v[0-9]+]], [[PTR]] offset:8 ; GCN: v_add_{{[iu]}}32_e32 [[ADDUSE:v[0-9]+]], vcc, 8, v{{[0-9]+}} ; GCN-DAG: buffer_store_dword [[RESULT]] @@ -68,10 +72,18 @@ define amdgpu_kernel void @load_shl_base_lds_max_offset(i8 addrspace(1)* %out, i ; The two globals are placed adjacent in memory, so the same base ; pointer can be used with an offset into the second one. +; TODO: Recover the optimization of using ds_read2st64_b32 using alignment hints + ; GCN-LABEL: {{^}}load_shl_base_lds_2: -; GCN: v_lshlrev_b32_e32 [[PTR:v[0-9]+]], 2, {{v[0-9]+}} +; GCN: v_lshlrev_b32_e32 [[OFS:v[0-9]+]], 2, {{v[0-9]+}} +; GCN-DAG: v_add_{{[iu]}}32_e32 [[PTR0:v[0-9]+]], vcc, lds0@abs32@lo, [[OFS]] +; GCN-DAG: v_add_{{[iu]}}32_e32 [[PTR1:v[0-9]+]], vcc, lds1@abs32@lo, [[OFS]] ; GCN: s_mov_b32 m0, -1 -; GCN-NEXT: ds_read2st64_b32 {{v\[[0-9]+:[0-9]+\]}}, [[PTR]] offset0:1 offset1:9 + +; GCN-DAG: ds_read_b32 {{v[0-9]+}}, [[PTR0]] offset:256 +; GCN-DAG: ds_read_b32 {{v[0-9]+}}, [[PTR1]] offset:256 +; TODO: ds_read2st64_b32 {{v\[[0-9]+:[0-9]+\]}}, [[PTR]] offset0:1 offset1:9 + ; GCN: s_endpgm define amdgpu_kernel void @load_shl_base_lds_2(float addrspace(1)* %out) #0 { %tid.x = tail call i32 @llvm.amdgcn.workitem.id.x() #1 |
