derek.holloway
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87 lines
2.6 KiB
ArmAsm
87 lines
2.6 KiB
ArmAsm
// COM: Test HotSwap in-place cluster_load -> global_load and blanket
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// COM: s_clause -> s_nop 0 patches.
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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 amdgcn-amd-amdhsa--gfx1250 \
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// RUN: --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 | \
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// RUN: %FileCheck --check-prefix=METADATA %s
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// COM: Every s_clause is removed, including both initial and later clauses,
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// COM: while the surrounding in-place rewrites and instructions are retained.
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// DISASM-NOT: s_clause
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// DISASM-LABEL: <test_inplace_kernel>:
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// DISASM-NEXT: s_nop 0
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// DISASM-NEXT: global_load_b32 v0
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// DISASM-NEXT: s_wait_loadcnt 0x0
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// DISASM-NEXT: global_load_b128 v[4:7]
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// DISASM-NEXT: s_wait_loadcnt 0x0
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// DISASM-NEXT: s_nop 0
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// DISASM-NEXT: global_load_b32 v10
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// DISASM-NEXT: global_load_b32 v11
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// DISASM-NEXT: s_wait_loadcnt 0x0
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// DISASM-NEXT: s_endpgm
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// COM: Every rewritten gfx1250 kernel must be labeled for A0.
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// METADATA-NOT: .gfx1250_revision: B0
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// METADATA: .gfx1250_revision: A0
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// COM: Idempotency: rewriting the patched output again should produce
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// COM: identical bytes.
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// RUN: hotswap-rewrite %t.out.elf \
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// RUN: amdgcn-amd-amdhsa--gfx1250 amdgcn-amd-amdhsa--gfx1250 \
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// RUN: --output %t.out2.elf \
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// RUN: | %FileCheck --check-prefix=API2 %s
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// API2: RESULT: SUCCESS
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// RUN: cmp %t.out.elf %t.out2.elf
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.amdgcn_target "amdgcn-amd-amdhsa--gfx1250"
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.text
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.globl test_inplace_kernel
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.p2align 8
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.type test_inplace_kernel,@function
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test_inplace_kernel:
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s_clause 0x0
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cluster_load_b32 v0, v[2:3], off
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s_wait_loadcnt 0x0
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cluster_load_b128 v[4:7], v[8:9], off
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s_wait_loadcnt 0x0
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s_clause 0x1
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global_load_b32 v10, v[2:3], off
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global_load_b32 v11, v[2:3], off offset:4
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s_wait_loadcnt 0x0
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s_endpgm
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.Ltest_inplace_kernel_end:
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.size test_inplace_kernel, .Ltest_inplace_kernel_end-test_inplace_kernel
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.rodata
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.p2align 8
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.amdhsa_kernel test_inplace_kernel
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.amdhsa_next_free_vgpr 12
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.amdhsa_next_free_sgpr 2
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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_inplace_kernel
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.symbol: test_inplace_kernel.kd
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.gfx1250_revision: B0
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.sgpr_count: 2
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.vgpr_count: 12
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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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