diff options
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/amdpal.ll | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/amdpal.ll b/llvm/test/CodeGen/AMDGPU/amdpal.ll index c8f37fbe0b3..8d4c09cdeaf 100644 --- a/llvm/test/CodeGen/AMDGPU/amdpal.ll +++ b/llvm/test/CodeGen/AMDGPU/amdpal.ll @@ -52,7 +52,36 @@ entry: ret void } +; Check code sequence for amdpal use of scratch for alloca in a compute shader. +; The scratch descriptor is loaded from offset 0x10 of the GIT, rather than offset +; 0 in a graphics shader. + +; PAL-LABEL: {{^}}scratch2_cs: +; PAL: s_movk_i32 s{{[0-9]+}}, 0x1234 +; PAL: s_mov_b32 s[[GITPTR:[0-9]+]], s0 +; PAL: s_load_dwordx4 s{{\[}}[[SCRATCHDESC:[0-9]+]]:{{[0-9]+]}}, s{{\[}}[[GITPTR]]:{{[0-9]+\]}}, 0x10 +; PAL: buffer_store{{.*}}, s{{\[}}[[SCRATCHDESC]]: + +define amdgpu_cs void @scratch2_cs(i32 inreg, i32 inreg, i32 inreg, <3 x i32> inreg, i32 inreg, <3 x i32> %coord, <2 x i32> %in, i32 %extra, i32 %idx) #0 { +entry: + %v = alloca [3 x i32], addrspace(5) + %v0 = getelementptr [3 x i32], [3 x i32] addrspace(5)* %v, i32 0, i32 0 + %v1 = getelementptr [3 x i32], [3 x i32] addrspace(5)* %v, i32 0, i32 1 + store i32 %extra, i32 addrspace(5)* %v0 + %v1a = bitcast i32 addrspace(5)* %v1 to [2 x i32] addrspace(5)* + %vv = bitcast [2 x i32] addrspace(5)* %v1a to <2 x i32> addrspace(5)* + store <2 x i32> %in, <2 x i32> addrspace(5)* %vv + %e = getelementptr [2 x i32], [2 x i32] addrspace(5)* %v1a, i32 0, i32 %idx + %x = load i32, i32 addrspace(5)* %e + %xf = bitcast i32 %x to float + call void @llvm.amdgcn.buffer.store.f32(float %xf, <4 x i32> undef, i32 0, i32 0, i1 0, i1 0) + ret void +} + attributes #0 = { nounwind "amdgpu-git-ptr-high"="0x1234" } +declare void @llvm.amdgcn.buffer.store.f32(float, <4 x i32>, i32, i32, i1, i1) + + ; Check we have CS_NUM_USED_VGPRS in PAL metadata. ; PAL: .amd_amdgpu_pal_metadata {{.*}},0x10000027, |
