xref: /aosp_15_r20/external/llvm/test/CodeGen/AMDGPU/large-alloca-compute.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=amdgcn -mcpu=bonaire -show-mc-encoding < %s | FileCheck -check-prefix=GCN -check-prefix=CI -check-prefix=ALL %s
2*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=amdgcn -mcpu=carrizo --show-mc-encoding < %s | FileCheck -check-prefix=GCN -check-prefix=VI -check-prefix=ALL %s
3*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=amdgcn -mcpu=bonaire -mtriple=amdgcn-unknown-amdhsa < %s -mattr=-flat-for-global | FileCheck -check-prefix=GCNHSA -check-prefix=CIHSA -check-prefix=ALL %s
4*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=amdgcn -mcpu=carrizo -mtriple=amdgcn-unknown-amdhsa -mattr=-flat-for-global < %s | FileCheck -check-prefix=GCNHSA -check-prefix=VIHSA -check-prefix=ALL %s
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker; FIXME: align on alloca seems to be ignored for private_segment_alignment
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Worker; ALL-LABEL: {{^}}large_alloca_compute_shader:
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Worker; GCN-DAG: s_mov_b32 s{{[0-9]+}}, SCRATCH_RSRC_DWORD0
11*9880d681SAndroid Build Coastguard Worker; GCN-DAG: ; fixup A - offset: 4, value: SCRATCH_RSRC_DWORD0
12*9880d681SAndroid Build Coastguard Worker; GCN-DAG: s_mov_b32 s{{[0-9]+}}, SCRATCH_RSRC_DWORD1
13*9880d681SAndroid Build Coastguard Worker; GCN-DAG: ; fixup A - offset: 4, value: SCRATCH_RSRC_DWORD1
14*9880d681SAndroid Build Coastguard Worker; GCN-DAG: s_mov_b32 s{{[0-9]+}}, -1
15*9880d681SAndroid Build Coastguard Worker; CI-DAG: s_mov_b32 s{{[0-9]+}}, 0xe8f000
16*9880d681SAndroid Build Coastguard Worker; VI-DAG: s_mov_b32 s{{[0-9]+}}, 0xe80000
17*9880d681SAndroid Build Coastguard Worker
18*9880d681SAndroid Build Coastguard Worker
19*9880d681SAndroid Build Coastguard Worker; GCNHSA: .amd_kernel_code_t
20*9880d681SAndroid Build Coastguard Worker
21*9880d681SAndroid Build Coastguard Worker; GCNHSA: compute_pgm_rsrc2_scratch_en = 1
22*9880d681SAndroid Build Coastguard Worker; GCNHSA: compute_pgm_rsrc2_user_sgpr = 8
23*9880d681SAndroid Build Coastguard Worker; GCNHSA: compute_pgm_rsrc2_tgid_x_en = 1
24*9880d681SAndroid Build Coastguard Worker; GCNHSA: compute_pgm_rsrc2_tgid_y_en = 0
25*9880d681SAndroid Build Coastguard Worker; GCNHSA: compute_pgm_rsrc2_tgid_z_en = 0
26*9880d681SAndroid Build Coastguard Worker; GCNHSA: compute_pgm_rsrc2_tg_size_en = 0
27*9880d681SAndroid Build Coastguard Worker; GCNHSA: compute_pgm_rsrc2_tidig_comp_cnt = 0
28*9880d681SAndroid Build Coastguard Worker
29*9880d681SAndroid Build Coastguard Worker; GCNHSA: enable_sgpr_private_segment_buffer = 1
30*9880d681SAndroid Build Coastguard Worker; GCNHSA: enable_sgpr_dispatch_ptr = 0
31*9880d681SAndroid Build Coastguard Worker; GCNHSA: enable_sgpr_queue_ptr = 0
32*9880d681SAndroid Build Coastguard Worker; GCNHSA: enable_sgpr_kernarg_segment_ptr = 1
33*9880d681SAndroid Build Coastguard Worker; GCNHSA: enable_sgpr_dispatch_id = 0
34*9880d681SAndroid Build Coastguard Worker; GCNHSA: enable_sgpr_flat_scratch_init = 1
35*9880d681SAndroid Build Coastguard Worker; GCNHSA: enable_sgpr_private_segment_size = 0
36*9880d681SAndroid Build Coastguard Worker; GCNHSA: enable_sgpr_grid_workgroup_count_x = 0
37*9880d681SAndroid Build Coastguard Worker; GCNHSA: enable_sgpr_grid_workgroup_count_y = 0
38*9880d681SAndroid Build Coastguard Worker; GCNHSA: enable_sgpr_grid_workgroup_count_z = 0
39*9880d681SAndroid Build Coastguard Worker; GCNHSA: workitem_private_segment_byte_size = 32772
40*9880d681SAndroid Build Coastguard Worker; GCNHSA: private_segment_alignment = 4
41*9880d681SAndroid Build Coastguard Worker; GCNHSA: .end_amd_kernel_code_t
42*9880d681SAndroid Build Coastguard Worker
43*9880d681SAndroid Build Coastguard Worker
44*9880d681SAndroid Build Coastguard Worker; GCNHSA: buffer_store_dword {{v[0-9]+}}, {{v[0-9]+}}, s[0:3], s9 offen
45*9880d681SAndroid Build Coastguard Worker; GCNHSA: buffer_load_dword {{v[0-9]+}}, {{v[0-9]+}}, s[0:3], s9 offen
46*9880d681SAndroid Build Coastguard Worker
47*9880d681SAndroid Build Coastguard Worker; Scratch size = alloca size + emergency stack slot
48*9880d681SAndroid Build Coastguard Worker; ALL: ; ScratchSize: 32772
49*9880d681SAndroid Build Coastguard Workerdefine void @large_alloca_compute_shader(i32 %x, i32 %y) #0 {
50*9880d681SAndroid Build Coastguard Worker  %large = alloca [8192 x i32], align 4
51*9880d681SAndroid Build Coastguard Worker  %gep = getelementptr [8192 x i32], [8192 x i32]* %large, i32 0, i32 8191
52*9880d681SAndroid Build Coastguard Worker  store volatile i32 %x, i32* %gep
53*9880d681SAndroid Build Coastguard Worker  %gep1 = getelementptr [8192 x i32], [8192 x i32]* %large, i32 0, i32 %y
54*9880d681SAndroid Build Coastguard Worker  %val = load volatile i32, i32* %gep1
55*9880d681SAndroid Build Coastguard Worker  store volatile i32 %val, i32 addrspace(1)* undef
56*9880d681SAndroid Build Coastguard Worker  ret void
57*9880d681SAndroid Build Coastguard Worker}
58*9880d681SAndroid Build Coastguard Worker
59*9880d681SAndroid Build Coastguard Workerattributes #0 = { nounwind  }
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