Farhana Aleen | 8919664 | 2018-03-07 17:09:18 +0000 | [diff] [blame^] | 1 | ; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s |
| 2 | ; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s |
| 3 | |
| 4 | ; Tests whether a load chain of 8 constants gets vectorized into a wider load. |
| 5 | ; FUNC-LABEL: {{^}}constant_load_v8f32: |
| 6 | ; GCN: s_load_dwordx8 |
| 7 | ; EG: VTX_READ_128 |
| 8 | ; EG: VTX_READ_128 |
| 9 | define amdgpu_kernel void @constant_load_v8f32(float addrspace(4)* noalias nocapture readonly %weights, float addrspace(1)* noalias nocapture %out_ptr) { |
| 10 | entry: |
| 11 | %out_ptr.promoted = load float, float addrspace(1)* %out_ptr, align 4 |
| 12 | %tmp = load float, float addrspace(4)* %weights, align 4 |
| 13 | %add = fadd float %tmp, %out_ptr.promoted |
| 14 | %arrayidx.1 = getelementptr inbounds float, float addrspace(4)* %weights, i64 1 |
| 15 | %tmp1 = load float, float addrspace(4)* %arrayidx.1, align 4 |
| 16 | %add.1 = fadd float %tmp1, %add |
| 17 | %arrayidx.2 = getelementptr inbounds float, float addrspace(4)* %weights, i64 2 |
| 18 | %tmp2 = load float, float addrspace(4)* %arrayidx.2, align 4 |
| 19 | %add.2 = fadd float %tmp2, %add.1 |
| 20 | %arrayidx.3 = getelementptr inbounds float, float addrspace(4)* %weights, i64 3 |
| 21 | %tmp3 = load float, float addrspace(4)* %arrayidx.3, align 4 |
| 22 | %add.3 = fadd float %tmp3, %add.2 |
| 23 | %arrayidx.4 = getelementptr inbounds float, float addrspace(4)* %weights, i64 4 |
| 24 | %tmp4 = load float, float addrspace(4)* %arrayidx.4, align 4 |
| 25 | %add.4 = fadd float %tmp4, %add.3 |
| 26 | %arrayidx.5 = getelementptr inbounds float, float addrspace(4)* %weights, i64 5 |
| 27 | %tmp5 = load float, float addrspace(4)* %arrayidx.5, align 4 |
| 28 | %add.5 = fadd float %tmp5, %add.4 |
| 29 | %arrayidx.6 = getelementptr inbounds float, float addrspace(4)* %weights, i64 6 |
| 30 | %tmp6 = load float, float addrspace(4)* %arrayidx.6, align 4 |
| 31 | %add.6 = fadd float %tmp6, %add.5 |
| 32 | %arrayidx.7 = getelementptr inbounds float, float addrspace(4)* %weights, i64 7 |
| 33 | %tmp7 = load float, float addrspace(4)* %arrayidx.7, align 4 |
| 34 | %add.7 = fadd float %tmp7, %add.6 |
| 35 | store float %add.7, float addrspace(1)* %out_ptr, align 4 |
| 36 | ret void |
| 37 | } |