| ; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,SI %s |
| ; RUN: llc -march=amdgcn -mcpu=hawaii -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,NOSI %s |
| |
| @compute_lds = external addrspace(3) global [512 x i32], align 16 |
| |
| ; GCN-LABEL: {{^}}store_aligned: |
| ; GCN: ds_write_b64 |
| define amdgpu_cs void @store_aligned(i32 addrspace(3)* %ptr) #0 { |
| entry: |
| %ptr.gep.1 = getelementptr i32, i32 addrspace(3)* %ptr, i32 1 |
| |
| store i32 42, i32 addrspace(3)* %ptr, align 8 |
| store i32 43, i32 addrspace(3)* %ptr.gep.1 |
| ret void |
| } |
| |
| |
| ; GCN-LABEL: {{^}}load_aligned: |
| ; GCN: ds_read_b64 |
| define amdgpu_cs <2 x float> @load_aligned(i32 addrspace(3)* %ptr) #0 { |
| entry: |
| %ptr.gep.1 = getelementptr i32, i32 addrspace(3)* %ptr, i32 1 |
| |
| %v.0 = load i32, i32 addrspace(3)* %ptr, align 8 |
| %v.1 = load i32, i32 addrspace(3)* %ptr.gep.1 |
| |
| %r.0 = insertelement <2 x i32> undef, i32 %v.0, i32 0 |
| %r.1 = insertelement <2 x i32> %r.0, i32 %v.1, i32 1 |
| %bc = bitcast <2 x i32> %r.1 to <2 x float> |
| ret <2 x float> %bc |
| } |
| |
| |
| ; GCN-LABEL: {{^}}store_global_const_idx: |
| ; GCN: ds_write2_b32 |
| define amdgpu_cs void @store_global_const_idx() #0 { |
| entry: |
| %ptr.a = getelementptr [512 x i32], [512 x i32] addrspace(3)* @compute_lds, i32 0, i32 3 |
| %ptr.b = getelementptr [512 x i32], [512 x i32] addrspace(3)* @compute_lds, i32 0, i32 4 |
| |
| store i32 42, i32 addrspace(3)* %ptr.a |
| store i32 43, i32 addrspace(3)* %ptr.b |
| ret void |
| } |
| |
| |
| ; GCN-LABEL: {{^}}load_global_const_idx: |
| ; GCN: ds_read2_b32 |
| define amdgpu_cs <2 x float> @load_global_const_idx() #0 { |
| entry: |
| %ptr.a = getelementptr [512 x i32], [512 x i32] addrspace(3)* @compute_lds, i32 0, i32 3 |
| %ptr.b = getelementptr [512 x i32], [512 x i32] addrspace(3)* @compute_lds, i32 0, i32 4 |
| |
| %v.0 = load i32, i32 addrspace(3)* %ptr.a |
| %v.1 = load i32, i32 addrspace(3)* %ptr.b |
| |
| %r.0 = insertelement <2 x i32> undef, i32 %v.0, i32 0 |
| %r.1 = insertelement <2 x i32> %r.0, i32 %v.1, i32 1 |
| %bc = bitcast <2 x i32> %r.1 to <2 x float> |
| ret <2 x float> %bc |
| } |
| |
| |
| ; GCN-LABEL: {{^}}store_global_var_idx_case1: |
| ; SI: ds_write_b32 |
| ; SI: ds_write_b32 |
| ; NOSI: ds_write2_b32 |
| define amdgpu_cs void @store_global_var_idx_case1(i32 %idx) #0 { |
| entry: |
| %ptr.a = getelementptr [512 x i32], [512 x i32] addrspace(3)* @compute_lds, i32 0, i32 %idx |
| %ptr.b = getelementptr i32, i32 addrspace(3)* %ptr.a, i32 1 |
| |
| store i32 42, i32 addrspace(3)* %ptr.a |
| store i32 43, i32 addrspace(3)* %ptr.b |
| ret void |
| } |
| |
| |
| ; GCN-LABEL: {{^}}load_global_var_idx_case1: |
| ; SI: ds_read_b32 |
| ; SI: ds_read_b32 |
| ; NOSI: ds_read2_b32 |
| define amdgpu_cs <2 x float> @load_global_var_idx_case1(i32 %idx) #0 { |
| entry: |
| %ptr.a = getelementptr [512 x i32], [512 x i32] addrspace(3)* @compute_lds, i32 0, i32 %idx |
| %ptr.b = getelementptr i32, i32 addrspace(3)* %ptr.a, i32 1 |
| |
| %v.0 = load i32, i32 addrspace(3)* %ptr.a |
| %v.1 = load i32, i32 addrspace(3)* %ptr.b |
| |
| %r.0 = insertelement <2 x i32> undef, i32 %v.0, i32 0 |
| %r.1 = insertelement <2 x i32> %r.0, i32 %v.1, i32 1 |
| %bc = bitcast <2 x i32> %r.1 to <2 x float> |
| ret <2 x float> %bc |
| } |
| |
| |
| ; GCN-LABEL: {{^}}store_global_var_idx_case2: |
| ; GCN: ds_write2_b32 |
| define amdgpu_cs void @store_global_var_idx_case2(i32 %idx) #0 { |
| entry: |
| %idx.and = and i32 %idx, 255 |
| %ptr.a = getelementptr [512 x i32], [512 x i32] addrspace(3)* @compute_lds, i32 0, i32 %idx.and |
| %ptr.b = getelementptr i32, i32 addrspace(3)* %ptr.a, i32 1 |
| |
| store i32 42, i32 addrspace(3)* %ptr.a |
| store i32 43, i32 addrspace(3)* %ptr.b |
| ret void |
| } |
| |
| |
| ; GCN-LABEL: {{^}}load_global_var_idx_case2: |
| ; GCN: ds_read2_b32 |
| define amdgpu_cs <2 x float> @load_global_var_idx_case2(i32 %idx) #0 { |
| entry: |
| %idx.and = and i32 %idx, 255 |
| %ptr.a = getelementptr [512 x i32], [512 x i32] addrspace(3)* @compute_lds, i32 0, i32 %idx.and |
| %ptr.b = getelementptr i32, i32 addrspace(3)* %ptr.a, i32 1 |
| |
| %v.0 = load i32, i32 addrspace(3)* %ptr.a |
| %v.1 = load i32, i32 addrspace(3)* %ptr.b |
| |
| %r.0 = insertelement <2 x i32> undef, i32 %v.0, i32 0 |
| %r.1 = insertelement <2 x i32> %r.0, i32 %v.1, i32 1 |
| %bc = bitcast <2 x i32> %r.1 to <2 x float> |
| ret <2 x float> %bc |
| } |
| |
| attributes #0 = { nounwind } |