| ; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s | |
| ; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s | |
| ; Tests whether a load chain of 8 constants gets vectorized into a wider load. | |
| ; FUNC-LABEL: {{^}}constant_load_v8f32: | |
| ; GCN: s_load_dwordx8 | |
| ; EG: VTX_READ_128 | |
| ; EG: VTX_READ_128 | |
| define amdgpu_kernel void @constant_load_v8f32(float addrspace(4)* noalias nocapture readonly %weights, float addrspace(1)* noalias nocapture %out_ptr) { | |
| entry: | |
| %out_ptr.promoted = load float, float addrspace(1)* %out_ptr, align 4 | |
| %tmp = load float, float addrspace(4)* %weights, align 4 | |
| %add = fadd float %tmp, %out_ptr.promoted | |
| %arrayidx.1 = getelementptr inbounds float, float addrspace(4)* %weights, i64 1 | |
| %tmp1 = load float, float addrspace(4)* %arrayidx.1, align 4 | |
| %add.1 = fadd float %tmp1, %add | |
| %arrayidx.2 = getelementptr inbounds float, float addrspace(4)* %weights, i64 2 | |
| %tmp2 = load float, float addrspace(4)* %arrayidx.2, align 4 | |
| %add.2 = fadd float %tmp2, %add.1 | |
| %arrayidx.3 = getelementptr inbounds float, float addrspace(4)* %weights, i64 3 | |
| %tmp3 = load float, float addrspace(4)* %arrayidx.3, align 4 | |
| %add.3 = fadd float %tmp3, %add.2 | |
| %arrayidx.4 = getelementptr inbounds float, float addrspace(4)* %weights, i64 4 | |
| %tmp4 = load float, float addrspace(4)* %arrayidx.4, align 4 | |
| %add.4 = fadd float %tmp4, %add.3 | |
| %arrayidx.5 = getelementptr inbounds float, float addrspace(4)* %weights, i64 5 | |
| %tmp5 = load float, float addrspace(4)* %arrayidx.5, align 4 | |
| %add.5 = fadd float %tmp5, %add.4 | |
| %arrayidx.6 = getelementptr inbounds float, float addrspace(4)* %weights, i64 6 | |
| %tmp6 = load float, float addrspace(4)* %arrayidx.6, align 4 | |
| %add.6 = fadd float %tmp6, %add.5 | |
| %arrayidx.7 = getelementptr inbounds float, float addrspace(4)* %weights, i64 7 | |
| %tmp7 = load float, float addrspace(4)* %arrayidx.7, align 4 | |
| %add.7 = fadd float %tmp7, %add.6 | |
| store float %add.7, float addrspace(1)* %out_ptr, align 4 | |
| ret void | |
| } |