derek.holloway
7502bf64a4
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100 lines
2.7 KiB
ArmAsm
100 lines
2.7 KiB
ArmAsm
// COM: Test HotSwap strict-mode B0 tensor_load_to_lds masking when SCC is
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// COM: live across the tensor load. The B0 runtime cluster-id guard must save
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// COM: and restore SCC around its injected s_cmp_eq_u32.
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// RUN: %clang -target amdgcn-amd-amdhsa -mcpu=gfx1250 -nostdlib %s -o %t.elf
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// RUN: hotswap-rewrite %t.elf \
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// RUN: amdgcn-amd-amdhsa--gfx1250:gfx1250-b0-specific+ \
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// RUN: amdgcn-amd-amdhsa--gfx1250:gfx1250-b0-specific+ \
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// RUN: --strict-mode --output %t.out.elf \
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// RUN: | %FileCheck --check-prefix=API %s
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// API: RESULT: SUCCESS
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// RUN: %llvm-objdump -d %t.out.elf | %FileCheck --check-prefix=DISASM %s
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// RUN: %llvm-readelf --notes %t.out.elf | %FileCheck --check-prefix=METADATA %s
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// DISASM-LABEL: <test_tensor_b0_scc_live>:
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// DISASM: s_cmp_eq_u32 s0, s0
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// DISASM-NEXT: s_branch
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// DISASM: s_cbranch_scc1
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// DISASM: s_mov_b32 s16, s4
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// DISASM-NEXT: s_cselect_b32 s17, 1, 0
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// DISASM-NEXT: s_getreg_b32 s4, hwreg(HW_REG_IB_STS2, 6, 4)
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// DISASM-NEXT: s_cmp_eq_u32 s4, 0
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// DISASM-NEXT: s_pack_hh_b32_b16 s4, 0, s16
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// DISASM-NEXT: s_cselect_b32 s4, s4, s16
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// DISASM-NEXT: s_cmp_lg_u32 s17, 0
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// DISASM-NEXT: tensor_load_to_lds s[0:3], s[4:11]
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// DISASM-NEXT: s_mov_b32 s4, s16
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// DISASM-NEXT: s_branch
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// METADATA: .name: test_tensor_b0_scc_live
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// METADATA: .sgpr_count: 18
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// RUN: hotswap-rewrite %t.out.elf \
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// RUN: amdgcn-amd-amdhsa--gfx1250:gfx1250-b0-specific+ \
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// RUN: amdgcn-amd-amdhsa--gfx1250:gfx1250-b0-specific+ \
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// RUN: --strict-mode --check-idempotent \
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// RUN: | %FileCheck --check-prefix=IDEM %s
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// IDEM: IDEMPOTENT: YES
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.amdgcn_target "amdgcn-amd-amdhsa--gfx1250"
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.text
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.globl test_tensor_b0_scc_live
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.p2align 8
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.type test_tensor_b0_scc_live,@function
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test_tensor_b0_scc_live:
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s_cmp_eq_u32 s0, s0
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tensor_load_to_lds s[0:3], s[4:11]
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s_cbranch_scc1 .Ldone
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s_mov_b32 s1, 0
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.Ldone:
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s_endpgm
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s_nop 0
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s_nop 0
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s_nop 0
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s_nop 0
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s_nop 0
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s_nop 0
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s_nop 0
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s_nop 0
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s_nop 0
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s_nop 0
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s_nop 0
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s_nop 0
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s_nop 0
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s_nop 0
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s_nop 0
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s_nop 0
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s_nop 0
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s_nop 0
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s_nop 0
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s_nop 0
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.Ltest_tensor_b0_scc_live_end:
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.size test_tensor_b0_scc_live, .Ltest_tensor_b0_scc_live_end-test_tensor_b0_scc_live
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.rodata
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.p2align 8
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.amdhsa_kernel test_tensor_b0_scc_live
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.amdhsa_next_free_vgpr 4
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.amdhsa_next_free_sgpr 16
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.end_amdhsa_kernel
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.amdgpu_metadata
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amdhsa.version:
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- 3
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- 0
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amdhsa.kernels:
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- .name: test_tensor_b0_scc_live
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.symbol: test_tensor_b0_scc_live.kd
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.sgpr_count: 16
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.vgpr_count: 4
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.kernarg_segment_size: 0
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.group_segment_fixed_size: 0
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.private_segment_fixed_size: 0
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.kernarg_segment_align: 8
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.wavefront_size: 64
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.max_flat_workgroup_size: 256
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.end_amdgpu_metadata
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