67 lines
3.2 KiB
LLVM
67 lines
3.2 KiB
LLVM
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; RUN: llc -march=amdgcn -mcpu=bonaire -show-mc-encoding < %s | FileCheck --check-prefixes=GCN,CI,ALL %s
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; RUN: llc -march=amdgcn -mcpu=carrizo --show-mc-encoding < %s | FileCheck --check-prefixes=GCN,VI,ALL %s
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; RUN: llc -march=amdgcn -mcpu=gfx900 --show-mc-encoding < %s | FileCheck --check-prefixes=GCN,GFX9,ALL %s
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; RUN: llc -march=amdgcn -mcpu=bonaire -mtriple=amdgcn-unknown-amdhsa --amdhsa-code-object-version=2 < %s -mattr=-flat-for-global | FileCheck --check-prefixes=GCNHSA,ALL %s
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; RUN: llc -march=amdgcn -mcpu=carrizo -mtriple=amdgcn-unknown-amdhsa --amdhsa-code-object-version=2 -mattr=-flat-for-global < %s | FileCheck --check-prefixes=GCNHSA,ALL %s
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; RUN: llc -march=amdgcn -mcpu=gfx1010 -mtriple=amdgcn-unknown-amdhsa --amdhsa-code-object-version=2 -mattr=-flat-for-global < %s | FileCheck --check-prefixes=GCNHSA,GFX10HSA,ALL %s
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; FIXME: align on alloca seems to be ignored for private_segment_alignment
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; ALL-LABEL: {{^}}large_alloca_compute_shader:
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; GCN-DAG: s_mov_b32 s{{[0-9]+}}, SCRATCH_RSRC_DWORD0
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; GCN-DAG: ; fixup A - offset: 4, value: SCRATCH_RSRC_DWORD0
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; GCN-DAG: s_mov_b32 s{{[0-9]+}}, SCRATCH_RSRC_DWORD1
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; GCN-DAG: ; fixup A - offset: 4, value: SCRATCH_RSRC_DWORD1
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; GCN-DAG: s_mov_b32 s{{[0-9]+}}, -1
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; CI-DAG: s_mov_b32 s{{[0-9]+}}, 0xe8f000
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; VI-DAG: s_mov_b32 s{{[0-9]+}}, 0xe80000
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; GFX9-DAG: s_mov_b32 s{{[0-9]+}}, 0xe00000
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; GCNHSA: .amd_kernel_code_t
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; GCNHSA: enable_sgpr_private_segment_wave_byte_offset = 1
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; GCNHSA: user_sgpr_count = 8
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; GCNHSA: enable_sgpr_workgroup_id_x = 1
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; GCNHSA: enable_sgpr_workgroup_id_y = 0
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; GCNHSA: enable_sgpr_workgroup_id_z = 0
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; GCNHSA: enable_sgpr_workgroup_info = 0
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; GCNHSA: enable_vgpr_workitem_id = 0
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; GCNHSA: enable_sgpr_private_segment_buffer = 1
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; GCNHSA: enable_sgpr_dispatch_ptr = 0
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; GCNHSA: enable_sgpr_queue_ptr = 0
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; GCNHSA: enable_sgpr_kernarg_segment_ptr = 1
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; GCNHSA: enable_sgpr_dispatch_id = 0
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; GCNHSA: enable_sgpr_flat_scratch_init = 1
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; GCNHSA: enable_sgpr_private_segment_size = 0
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; GCNHSA: enable_sgpr_grid_workgroup_count_x = 0
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; GCNHSA: enable_sgpr_grid_workgroup_count_y = 0
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; GCNHSA: enable_sgpr_grid_workgroup_count_z = 0
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; GCNHSA: workitem_private_segment_byte_size = 32772
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; GCNHSA: private_segment_alignment = 4
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; GCNHSA: .end_amd_kernel_code_t
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; GFX10HSA: s_add_u32 [[FLAT_SCR_LO:s[0-9]+]], s{{[0-9]+}}, s{{[0-9]+}}
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; GFX10HSA-DAG: s_addc_u32 [[FLAT_SCR_HI:s[0-9]+]], s{{[0-9]+}}, 0
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; GFX10HSA-DAG: s_setreg_b32 hwreg(HW_REG_FLAT_SCR_LO), [[FLAT_SCR_LO]]
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; GFX10HSA-DAG: s_setreg_b32 hwreg(HW_REG_FLAT_SCR_HI), [[FLAT_SCR_HI]]
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; GCNHSA: buffer_store_dword {{v[0-9]+}}, {{v[0-9]+}}, s[0:3], 0 offen
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; GCNHSA: buffer_load_dword {{v[0-9]+}}, {{v[0-9]+}}, s[0:3], 0 offen
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; Scratch size = alloca size + emergency stack slot, align {{.*}}, addrspace(5)
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; ALL: ; ScratchSize: 32772
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define amdgpu_kernel void @large_alloca_compute_shader(i32 %x, i32 %y) #0 {
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%large = alloca [8192 x i32], align 4, addrspace(5)
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%gep = getelementptr [8192 x i32], [8192 x i32] addrspace(5)* %large, i32 0, i32 8191
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store volatile i32 %x, i32 addrspace(5)* %gep
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%gep1 = getelementptr [8192 x i32], [8192 x i32] addrspace(5)* %large, i32 0, i32 %y
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%val = load volatile i32, i32 addrspace(5)* %gep1
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store volatile i32 %val, i32 addrspace(1)* undef
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ret void
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}
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attributes #0 = { nounwind }
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