derek.holloway
7502bf64a4
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64 lines
2.1 KiB
ArmAsm
64 lines
2.1 KiB
ArmAsm
// COM: Test that zero bytes inside a function symbol are not treated as a
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// COM: zero-fill NOP sled for v_cvt_pk_fp8_f32 literal-source expansion.
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// COM:
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// COM: The zero block below is executable .text covered by the function's
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// COM: STT_FUNC range, so the rewriter must leave it alone and append a
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// COM: trampoline instead of branching into the zero bytes.
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// RUN: %clang -target amdgcn-amd-amdhsa -mcpu=gfx1250 -nostdlib %s -o %t.elf
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// RUN: env AMD_COMGR_EMIT_VERBOSE_LOGS=1 hotswap-rewrite %t.elf \
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// RUN: amdgcn-amd-amdhsa--gfx1250 amdgcn-amd-amdhsa--gfx1250 \
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// RUN: --dump %t.out.elf --check-idempotent 2>&1 \
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// RUN: | %FileCheck --check-prefix=API %s
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// API: hotswap: growWithTrampolines: appended 1 trampoline
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// API-SAME: grew ELF
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// API: REWRITE: SUCCESS
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// API: IDEMPOTENT: YES
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// RUN: %llvm-objdump -d %t.out.elf | %FileCheck --check-prefix=DISASM %s
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.amdgcn_target "amdgcn-amd-amdhsa--gfx1250"
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.text
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.globl test_cvt_pk_fp8_zero_in_function
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.type test_cvt_pk_fp8_zero_in_function,@function
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test_cvt_pk_fp8_zero_in_function:
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v_cvt_pk_fp8_f32 v4, 0x477f0000, 0x477f0000 clamp
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s_endpgm
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.zero 768
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.Ltest_cvt_pk_fp8_zero_in_function_end:
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.size test_cvt_pk_fp8_zero_in_function, .Ltest_cvt_pk_fp8_zero_in_function_end-test_cvt_pk_fp8_zero_in_function
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// DISASM-LABEL: <test_cvt_pk_fp8_zero_in_function>:
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// DISASM-NEXT: s_branch
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// DISASM-NEXT: s_nop
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// DISASM-NEXT: s_nop
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// DISASM-NEXT: s_endpgm
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// DISASM: v_mov_b32{{.*}}0x477f0000
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// DISASM: v_lshl_or_b32
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// DISASM: s_branch{{.*}}<test_cvt_pk_fp8_zero_in_function+0xc>
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.rodata
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.p2align 8
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.amdhsa_kernel test_cvt_pk_fp8_zero_in_function
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.amdhsa_next_free_vgpr 5
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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_cvt_pk_fp8_zero_in_function
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.symbol: test_cvt_pk_fp8_zero_in_function.kd
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.sgpr_count: 2
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.vgpr_count: 5
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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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