; RUN: llc -mtriple=amdgcn -mcpu=gfx900 < %s | FileCheck %s --check-prefixes=GCN,GFX9 ; RUN: llc -mtriple=amdgcn -mcpu=gfx1030 < %s | FileCheck %s --check-prefixes=GCN,GFX10 @lds.0 = internal addrspace(3) global [64 x float] poison, align 16 @lds.1 = internal addrspace(3) global [64 x float] poison, align 16 @lds.2 = internal addrspace(3) global [64 x float] poison, align 16 @lds.3 = internal addrspace(3) global [64 x float] poison, align 16 @lds.4 = internal addrspace(3) global [64 x float] poison, align 16 @lds.5 = internal addrspace(3) global [64 x float] poison, align 16 @lds.6 = internal addrspace(3) global [64 x float] poison, align 16 @lds.7 = internal addrspace(3) global [64 x float] poison, align 16 @lds.8 = internal addrspace(3) global [64 x float] poison, align 16 @lds.9 = internal addrspace(3) global [64 x float] poison, align 16 declare void @llvm.amdgcn.raw.buffer.load.lds(<4 x i32> %rsrc, ptr addrspace(3) nocapture, i32 %size, i32 %voffset, i32 %soffset, i32 %offset, i32 %aux) declare void @llvm.amdgcn.global.load.lds(ptr addrspace(1) nocapture %gptr, ptr addrspace(3) nocapture %lptr, i32 %size, i32 %offset, i32 %aux) ; GCN-LABEL: {{^}}buffer_load_lds_dword_2_arrays: ; GCN-COUNT-4: buffer_load_dword ; GCN: s_waitcnt vmcnt(2) ; GCN: ds_read_b32 ; GCN: s_waitcnt vmcnt(0) ; GCN: ds_read_b32 define amdgpu_kernel void @buffer_load_lds_dword_2_arrays(<4 x i32> %rsrc, i32 %i1, i32 %i2, ptr addrspace(1) %out) { main_body: call void @llvm.amdgcn.raw.buffer.load.lds(<4 x i32> %rsrc, ptr addrspace(3) @lds.0, i32 4, i32 0, i32 0, i32 0, i32 0) call void @llvm.amdgcn.raw.buffer.load.lds(<4 x i32> %rsrc, ptr addrspace(3) @lds.0, i32 4, i32 4, i32 0, i32 0, i32 0) call void @llvm.amdgcn.raw.buffer.load.lds(<4 x i32> %rsrc, ptr addrspace(3) @lds.1, i32 4, i32 8, i32 0, i32 0, i32 0) call void @llvm.amdgcn.raw.buffer.load.lds(<4 x i32> %rsrc, ptr addrspace(3) @lds.1, i32 4, i32 12, i32 0, i32 0, i32 0) %gep.0 = getelementptr float, ptr addrspace(3) @lds.0, i32 %i1 %gep.1 = getelementptr float, ptr addrspace(3) @lds.1, i32 %i2 %val.0 = load float, ptr addrspace(3) %gep.0, align 4 call void @llvm.amdgcn.wave.barrier() %val.1 = load float, ptr addrspace(3) %gep.1, align 4 %tmp.0 = insertelement <2 x float> undef, float %val.0, i32 0 %res = insertelement <2 x float> %tmp.0, float %val.1, i32 1 store <2 x float> %res, ptr addrspace(1) %out ret void } ; On gfx9 if there is a pending FLAT operation, and this is a VMem or LGKM ; waitcnt and the target can report early completion, then we need to force a waitcnt 0. ; GCN-LABEL: {{^}}global_load_lds_dword_2_arrays: ; GCN-COUNT-4: global_load_dword ; GFX9: s_waitcnt vmcnt(0) ; GFX9-COUNT-2: ds_read_b32 ; GFX10: s_waitcnt vmcnt(2) ; GFX10: ds_read_b32 ; GFX10: s_waitcnt vmcnt(0) ; GFX10: ds_read_b32 define amdgpu_kernel void @global_load_lds_dword_2_arrays(ptr addrspace(1) nocapture %gptr, i32 %i1, i32 %i2, ptr addrspace(1) %out) { main_body: call void @llvm.amdgcn.global.load.lds(ptr addrspace(1) %gptr, ptr addrspace(3) @lds.0, i32 4, i32 0, i32 0) call void @llvm.amdgcn.global.load.lds(ptr addrspace(1) %gptr, ptr addrspace(3) @lds.0, i32 4, i32 4, i32 0) call void @llvm.amdgcn.global.load.lds(ptr addrspace(1) %gptr, ptr addrspace(3) @lds.1, i32 4, i32 8, i32 0) call void @llvm.amdgcn.global.load.lds(ptr addrspace(1) %gptr, ptr addrspace(3) @lds.1, i32 4, i32 12, i32 0) %gep.0 = getelementptr float, ptr addrspace(3) @lds.0, i32 %i1 %gep.1 = getelementptr float, ptr addrspace(3) @lds.1, i32 %i2 %val.0 = load float, ptr addrspace(3) %gep.0, align 4 call void @llvm.amdgcn.wave.barrier() %val.1 = load float, ptr addrspace(3) %gep.1, align 4 %tmp.0 = insertelement <2 x float> undef, float %val.0, i32 0 %res = insertelement <2 x float> %tmp.0, float %val.1, i32 1 store <2 x float> %res, ptr addrspace(1) %out ret void } ; There are 8 pseudo registers defined to track LDS DMA dependencies. ; When exhausted we default to vmcnt(0). ; GCN-LABEL: {{^}}buffer_load_lds_dword_10_arrays: ; GCN-COUNT-10: buffer_load_dword ; GCN: s_waitcnt vmcnt(8) ; GCN: ds_read_b32 ; GCN: s_waitcnt vmcnt(7) ; GCN: ds_read_b32 ; GCN: s_waitcnt vmcnt(6) ; GCN: ds_read_b32 ; GCN: s_waitcnt vmcnt(5) ; GCN: ds_read_b32 ; GCN: s_waitcnt vmcnt(4) ; GCN: ds_read_b32 ; GCN: s_waitcnt vmcnt(3) ; GCN: ds_read_b32 ; GCN: s_waitcnt vmcnt(2) ; GCN-NOT: s_waitcnt vmcnt ; GCN: ds_read_b32 ; GCN: s_waitcnt vmcnt(0) ; GCN: ds_read_b32 define amdgpu_kernel void @buffer_load_lds_dword_10_arrays(<4 x i32> %rsrc, i32 %i1, i32 %i2, i32 %i3, i32 %i4, i32 %i5, i32 %i6, i32 %i7, i32 %i8, i32 %i9, ptr addrspace(1) %out) { main_body: call void @llvm.amdgcn.raw.buffer.load.lds(<4 x i32> %rsrc, ptr addrspace(3) @lds.0, i32 4, i32 0, i32 0, i32 0, i32 0) call void @llvm.amdgcn.raw.buffer.load.lds(<4 x i32> %rsrc, ptr addrspace(3) @lds.1, i32 4, i32 0, i32 0, i32 0, i32 0) call void @llvm.amdgcn.raw.buffer.load.lds(<4 x i32> %rsrc, ptr addrspace(3) @lds.2, i32 4, i32 0, i32 0, i32 0, i32 0) call void @llvm.amdgcn.raw.buffer.load.lds(<4 x i32> %rsrc, ptr addrspace(3) @lds.3, i32 4, i32 0, i32 0, i32 0, i32 0) call void @llvm.amdgcn.raw.buffer.load.lds(<4 x i32> %rsrc, ptr addrspace(3) @lds.4, i32 4, i32 0, i32 0, i32 0, i32 0) call void @llvm.amdgcn.raw.buffer.load.lds(<4 x i32> %rsrc, ptr addrspace(3) @lds.5, i32 4, i32 0, i32 0, i32 0, i32 0) call void @llvm.amdgcn.raw.buffer.load.lds(<4 x i32> %rsrc, ptr addrspace(3) @lds.6, i32 4, i32 0, i32 0, i32 0, i32 0) call void @llvm.amdgcn.raw.buffer.load.lds(<4 x i32> %rsrc, ptr addrspace(3) @lds.7, i32 4, i32 0, i32 0, i32 0, i32 0) call void @llvm.amdgcn.raw.buffer.load.lds(<4 x i32> %rsrc, ptr addrspace(3) @lds.8, i32 4, i32 0, i32 0, i32 0, i32 0) call void @llvm.amdgcn.raw.buffer.load.lds(<4 x i32> %rsrc, ptr addrspace(3) @lds.9, i32 4, i32 0, i32 0, i32 0, i32 0) %gep.0 = getelementptr float, ptr addrspace(3) @lds.0, i32 %i1 %gep.1 = getelementptr float, ptr addrspace(3) @lds.1, i32 %i2 %gep.2 = getelementptr float, ptr addrspace(3) @lds.2, i32 %i2 %gep.3 = getelementptr float, ptr addrspace(3) @lds.3, i32 %i2 %gep.4 = getelementptr float, ptr addrspace(3) @lds.4, i32 %i2 %gep.5 = getelementptr float, ptr addrspace(3) @lds.5, i32 %i2 %gep.6 = getelementptr float, ptr addrspace(3) @lds.6, i32 %i2 %gep.7 = getelementptr float, ptr addrspace(3) @lds.7, i32 %i2 %gep.8 = getelementptr float, ptr addrspace(3) @lds.8, i32 %i2 %gep.9 = getelementptr float, ptr addrspace(3) @lds.9, i32 %i2 %val.0 = load float, ptr addrspace(3) %gep.0, align 4 call void @llvm.amdgcn.wave.barrier() %val.1 = load float, ptr addrspace(3) %gep.1, align 4 call void @llvm.amdgcn.wave.barrier() %val.2 = load float, ptr addrspace(3) %gep.2, align 4 call void @llvm.amdgcn.wave.barrier() %val.3 = load float, ptr addrspace(3) %gep.3, align 4 call void @llvm.amdgcn.wave.barrier() %val.4 = load float, ptr addrspace(3) %gep.4, align 4 call void @llvm.amdgcn.wave.barrier() %val.5 = load float, ptr addrspace(3) %gep.5, align 4 call void @llvm.amdgcn.wave.barrier() %val.6 = load float, ptr addrspace(3) %gep.6, align 4 call void @llvm.amdgcn.wave.barrier() %val.7 = load float, ptr addrspace(3) %gep.7, align 4 call void @llvm.amdgcn.wave.barrier() %val.8 = load float, ptr addrspace(3) %gep.8, align 4 call void @llvm.amdgcn.wave.barrier() %val.9 = load float, ptr addrspace(3) %gep.9, align 4 %out.gep.1 = getelementptr float, ptr addrspace(1) %out, i32 1 %out.gep.2 = getelementptr float, ptr addrspace(1) %out, i32 2 %out.gep.3 = getelementptr float, ptr addrspace(1) %out, i32 3 %out.gep.4 = getelementptr float, ptr addrspace(1) %out, i32 4 %out.gep.5 = getelementptr float, ptr addrspace(1) %out, i32 5 %out.gep.6 = getelementptr float, ptr addrspace(1) %out, i32 6 %out.gep.7 = getelementptr float, ptr addrspace(1) %out, i32 7 %out.gep.8 = getelementptr float, ptr addrspace(1) %out, i32 8 %out.gep.9 = getelementptr float, ptr addrspace(1) %out, i32 9 store float %val.0, ptr addrspace(1) %out store float %val.1, ptr addrspace(1) %out.gep.1 store float %val.2, ptr addrspace(1) %out.gep.2 store float %val.3, ptr addrspace(1) %out.gep.3 store float %val.4, ptr addrspace(1) %out.gep.4 store float %val.5, ptr addrspace(1) %out.gep.5 store float %val.6, ptr addrspace(1) %out.gep.6 store float %val.7, ptr addrspace(1) %out.gep.7 store float %val.8, ptr addrspace(1) %out.gep.8 store float %val.9, ptr addrspace(1) %out.gep.9 ret void } declare void @llvm.amdgcn.wave.barrier()