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37f2de7107
This was hardcoded to the static private size, but this would be missing the offset and additional size for someday when we have dynamic sizing. Also stops always initializing flat_scratch even when unused. In the future we should stop emitting this unless flat instructions are used to access private memory. For example this will initialize it almost always on VI because flat is used for global access. llvm-svn: 260658
58 lines
2.4 KiB
LLVM
58 lines
2.4 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=bonaire < %s | FileCheck -check-prefix=GCN -check-prefix=CI -check-prefix=ALL %s
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; RUN: llc -march=amdgcn -mcpu=carrizo < %s | FileCheck -check-prefix=GCN -check-prefix=VI -check-prefix=ALL %s
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; 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
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; 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
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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: s_mov_b32 s8, SCRATCH_RSRC_DWORD0
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; GCN: s_mov_b32 s9, SCRATCH_RSRC_DWORD1
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; GCN: s_mov_b32 s10, -1
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; CI: s_mov_b32 s11, 0x98f000
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; VI: s_mov_b32 s11, 0x980000
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; GCNHSA: .amd_kernel_code_t
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; GCNHSA: compute_pgm_rsrc2_scratch_en = 1
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; GCNHSA: compute_pgm_rsrc2_user_sgpr = 8
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; GCNHSA: compute_pgm_rsrc2_tgid_x_en = 1
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; GCNHSA: compute_pgm_rsrc2_tgid_y_en = 0
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; GCNHSA: compute_pgm_rsrc2_tgid_z_en = 0
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; GCNHSA: compute_pgm_rsrc2_tg_size_en = 0
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; GCNHSA: compute_pgm_rsrc2_tidig_comp_cnt = 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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; GCNHSA: buffer_store_dword {{v[0-9]+}}, {{v[0-9]+}}, s[0:3], s9 offen
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; GCNHSA: buffer_load_dword {{v[0-9]+}}, {{v[0-9]+}}, s[0:3], s9 offen
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; Scratch size = alloca size + emergency stack slot
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; ALL: ; ScratchSize: 32772
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define void @large_alloca_compute_shader(i32 %x, i32 %y) #0 {
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%large = alloca [8192 x i32], align 4
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%gep = getelementptr [8192 x i32], [8192 x i32]* %large, i32 0, i32 8191
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store volatile i32 %x, i32* %gep
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%gep1 = getelementptr [8192 x i32], [8192 x i32]* %large, i32 0, i32 %y
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%val = load volatile i32, i32* %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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