| ; RUN: llc < %s -mtriple=amdgcn--amdpal -mcpu=tahiti | FileCheck --check-prefix=PAL --enable-var-scope %s |
| |
| ; PAL: .AMDGPU.config |
| |
| define amdgpu_kernel void @simple(i32 addrspace(1)* %out) { |
| entry: |
| store i32 0, i32 addrspace(1)* %out |
| ret void |
| } |
| |
| ; Check code sequence for amdpal use of scratch for alloca. This is the case |
| ; where the high half of the address comes from s_getpc. |
| |
| ; PAL-LABEL: {{^}}scratch: |
| ; PAL: s_getpc_b64 s{{\[}}[[GITPTR:[0-9]+]]: |
| ; PAL: s_mov_b32 s[[GITPTR]], s0 |
| ; PAL: s_load_dwordx4 s{{\[}}[[SCRATCHDESC:[0-9]+]]:{{[0-9]+]}}, s{{\[}}[[GITPTR]]: |
| ; PAL: buffer_store{{.*}}, s{{\[}}[[SCRATCHDESC]]: |
| |
| define amdgpu_kernel void @scratch(<2 x i32> %in, i32 %idx, i32* %out) { |
| entry: |
| %v = alloca [2 x i32] |
| %vv = bitcast [2 x i32]* %v to <2 x i32>* |
| store <2 x i32> %in, <2 x i32>* %vv |
| %e = getelementptr [2 x i32], [2 x i32]* %v, i32 0, i32 %idx |
| %x = load i32, i32* %e |
| store i32 %x, i32* %out |
| ret void |
| } |
| |
| ; Check code sequence for amdpal use of scratch for alloca. This is the case |
| ; where the amdgpu-git-ptr-high function attribute gives the high half of the |
| ; address to use. |
| ; Looks like you can't do arithmetic on a filecheck variable, so we can't test |
| ; that the s_movk_i32 is into a reg that is one more than the following |
| ; s_mov_b32. |
| |
| ; PAL-LABEL: {{^}}scratch2: |
| ; 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]]: |
| ; PAL: buffer_store{{.*}}, s{{\[}}[[SCRATCHDESC]]: |
| |
| define amdgpu_kernel void @scratch2(<2 x i32> %in, i32 %idx, i32* %out) #0 { |
| entry: |
| %v = alloca [2 x i32] |
| %vv = bitcast [2 x i32]* %v to <2 x i32>* |
| store <2 x i32> %in, <2 x i32>* %vv |
| %e = getelementptr [2 x i32], [2 x i32]* %v, i32 0, i32 %idx |
| %x = load i32, i32* %e |
| store i32 %x, i32* %out |
| ret void |
| } |
| |
| attributes #0 = { nounwind "amdgpu-git-ptr-high"="0x1234" } |