derek.holloway
7502bf64a4
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192 lines
6.9 KiB
ArmAsm
192 lines
6.9 KiB
ArmAsm
// COM: Data-only HIP device objects can carry global constants and variables
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// COM: but no kernels or device functions. Such an object has a present,
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// COM: zero-size .text section and an empty amdhsa.kernels array. There are no
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// COM: instructions or kernel revision tags to transform, so return a
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// COM: byte-identical successful output after validating that shape.
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// RUN: %clang -target amdgcn-amd-amdhsa -mcpu=gfx1250 -nostdlib %s -o %t.elf
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// RUN: %llvm-readobj --sections --symbols --notes %t.elf \
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// RUN: | %FileCheck --check-prefix=SHAPE --implicit-check-not=.kd %s
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// SHAPE: Name: .text
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// SHAPE: Size: 0
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// SHAPE: Name: data_only_constant
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// SHAPE: Type: Object
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// SHAPE: AMDGPU Metadata: ---
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// SHAPE-NEXT: amdhsa.kernels: []
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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: --output %t.out.elf 2>&1 | %FileCheck --check-prefix=ACCEPT %s
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// ACCEPT: hotswap: accepted data-only code object with empty .text;
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// ACCEPT-SAME: returning a byte-identical copy.
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// ACCEPT: RESULT: SUCCESS
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// RUN: cmp %t.elf %t.out.elf
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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: --check-idempotent | %FileCheck --check-prefix=IDEM %s
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// IDEM: IDEMPOTENT: YES
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// RUN: sed 's/^\.set claimed_function, 0$/.set claimed_function, 1/' \
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// RUN: %s > %t.function.s
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// RUN: %clang -target amdgcn-amd-amdhsa -mcpu=gfx1250 -nostdlib \
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// RUN: %t.function.s -o %t.function.elf
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// RUN: env AMD_COMGR_EMIT_VERBOSE_LOGS=1 hotswap-rewrite %t.function.elf \
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// RUN: amdgcn-amd-amdhsa--gfx1250 amdgcn-amd-amdhsa--gfx1250 \
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// RUN: --expect-status INVALID_ARGUMENT 2>&1 \
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// RUN: | %FileCheck --check-prefixes=FUNCTION,REJECT %s
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// FUNCTION: hotswap: error: data-only object has a function/ifunc symbol
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// FUNCTION-SAME: in empty .text.
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// RUN: sed 's/^\.set claimed_other_function, 0$/.set claimed_other_function, 1/' \
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// RUN: %s > %t.other-function.s
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// RUN: %clang -target amdgcn-amd-amdhsa -mcpu=gfx1250 -nostdlib \
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// RUN: %t.other-function.s -o %t.other-function.elf
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// RUN: env AMD_COMGR_EMIT_VERBOSE_LOGS=1 \
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// RUN: hotswap-rewrite %t.other-function.elf \
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// RUN: amdgcn-amd-amdhsa--gfx1250 amdgcn-amd-amdhsa--gfx1250 \
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// RUN: --expect-status INVALID_ARGUMENT 2>&1 \
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// RUN: | %FileCheck --check-prefixes=OTHER-FUNCTION,REJECT %s
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// OTHER-FUNCTION: hotswap: error: data-only object has defined function/ifunc
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// OTHER-FUNCTION-SAME: symbol 'claimed_other_function'.
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// RUN: sed 's/^\.set executable_section, 0$/.set executable_section, 1/' \
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// RUN: %s > %t.executable.s
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// RUN: %clang -target amdgcn-amd-amdhsa -mcpu=gfx1250 -nostdlib \
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// RUN: %t.executable.s -o %t.executable.elf
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// RUN: env AMD_COMGR_EMIT_VERBOSE_LOGS=1 hotswap-rewrite %t.executable.elf \
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// RUN: amdgcn-amd-amdhsa--gfx1250 amdgcn-amd-amdhsa--gfx1250 \
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// RUN: --expect-status INVALID_ARGUMENT 2>&1 \
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// RUN: | %FileCheck --check-prefixes=EXECUTABLE,REJECT %s
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// EXECUTABLE: hotswap: error: data-only object has non-empty executable
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// EXECUTABLE-SAME: section '.other_text'.
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// RUN: sed 's/^\.set claimed_descriptor, 0$/.set claimed_descriptor, 1/' \
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// RUN: %s > %t.descriptor.s
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// RUN: %clang -target amdgcn-amd-amdhsa -mcpu=gfx1250 -nostdlib \
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// RUN: %t.descriptor.s -o %t.descriptor.elf
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// RUN: env AMD_COMGR_EMIT_VERBOSE_LOGS=1 hotswap-rewrite %t.descriptor.elf \
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// RUN: amdgcn-amd-amdhsa--gfx1250 amdgcn-amd-amdhsa--gfx1250 \
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// RUN: --expect-status INVALID_ARGUMENT 2>&1 \
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// RUN: | %FileCheck --check-prefixes=DESCRIPTOR,REJECT %s
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// DESCRIPTOR: hotswap: error: data-only object has kernel descriptor symbol
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// DESCRIPTOR-SAME: 'claimed_kernel.kd'.
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// RUN: sed 's/^\.set claimed_kernel, 0$/.set claimed_kernel, 1/' \
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// RUN: %s > %t.kernel.s
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// RUN: %clang -target amdgcn-amd-amdhsa -mcpu=gfx1250 -nostdlib \
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// RUN: %t.kernel.s -o %t.kernel.elf
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// RUN: env AMD_COMGR_EMIT_VERBOSE_LOGS=1 hotswap-rewrite %t.kernel.elf \
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// RUN: amdgcn-amd-amdhsa--gfx1250 amdgcn-amd-amdhsa--gfx1250 \
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// RUN: --expect-status INVALID_ARGUMENT 2>&1 \
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// RUN: | %FileCheck --check-prefixes=KERNEL,REJECT %s
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// KERNEL: hotswap: error: data-only AMDGPU metadata claims 1 kernel(s).
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// RUN: sed 's/^\.set malformed_metadata, 0$/.set malformed_metadata, 1/' \
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// RUN: %s > %t.malformed.s
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// RUN: %clang -target amdgcn-amd-amdhsa -mcpu=gfx1250 -nostdlib \
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// RUN: %t.malformed.s -o %t.malformed.elf
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// RUN: env AMD_COMGR_EMIT_VERBOSE_LOGS=1 hotswap-rewrite %t.malformed.elf \
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// RUN: amdgcn-amd-amdhsa--gfx1250 amdgcn-amd-amdhsa--gfx1250 \
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// RUN: --expect-status INVALID_ARGUMENT 2>&1 \
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// RUN: | %FileCheck --check-prefixes=MALFORMED,REJECT %s
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// MALFORMED: hotswap: error: failed to parse data-only AMDGPU metadata note.
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// RUN: %llvm-objcopy --remove-section=.text %t.elf %t.missing-text.elf
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// RUN: env AMD_COMGR_EMIT_VERBOSE_LOGS=1 hotswap-rewrite %t.missing-text.elf \
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// RUN: amdgcn-amd-amdhsa--gfx1250 amdgcn-amd-amdhsa--gfx1250 \
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// RUN: --expect-status INVALID_ARGUMENT 2>&1 \
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// RUN: | %FileCheck --check-prefix=MISSING %s
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// MISSING: no .text section found
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// MISSING: RESULT: INVALID_ARGUMENT
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// REJECT: hotswap: error: retargetCodeObject:
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// REJECT-SAME: does not describe a valid data-only code object.
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// REJECT: RESULT: INVALID_ARGUMENT
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.set claimed_function, 0
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.set claimed_other_function, 0
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.set executable_section, 0
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.set claimed_descriptor, 0
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.set claimed_kernel, 0
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.set malformed_metadata, 0
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.amdgcn_target "amdgcn-amd-amdhsa--gfx1250"
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.text
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.if claimed_function
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.globl claimed_function
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.type claimed_function,@function
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claimed_function:
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.size claimed_function, .-claimed_function
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.endif
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.rodata
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.globl data_only_constant
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.type data_only_constant,@object
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.p2align 2
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data_only_constant:
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.long 1
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.size data_only_constant, .-data_only_constant
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.if claimed_other_function
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.globl claimed_other_function
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.type claimed_other_function,@function
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claimed_other_function:
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.size claimed_other_function, .-claimed_other_function
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.endif
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.if executable_section
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.section .other_text,"ax",@progbits
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v_nop
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.endif
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.if claimed_descriptor
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.globl claimed_kernel.kd
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.type claimed_kernel.kd,@object
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.p2align 6
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claimed_kernel.kd:
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.zero 64
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.size claimed_kernel.kd, .-claimed_kernel.kd
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.endif
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.if malformed_metadata
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.section .note,"a",@note
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.p2align 2
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.long 7
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.long 4
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.long 32
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.asciz "AMDGPU"
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.p2align 2
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.byte 0xc1, 0xc1, 0xc1, 0xc1
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.p2align 2
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.else
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.section .note,"a",@note
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.p2align 2
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.long 7
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.long .Lmetadata_desc_end-.Lmetadata_desc_begin
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.long 32
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.asciz "AMDGPU"
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.p2align 2
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.Lmetadata_desc_begin:
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.if claimed_kernel
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// {"amdhsa.kernels": [{}]}
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.byte 0x81, 0xae
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.ascii "amdhsa.kernels"
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.byte 0x91, 0x80
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.else
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// Match the corpus note:
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// {"amdhsa.kernels": [], "amdhsa.target": "...gfx1250",
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// "amdhsa.version": [1, 2]}
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.byte 0x83, 0xae
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.ascii "amdhsa.kernels"
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.byte 0x90, 0xad
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.ascii "amdhsa.target"
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.byte 0xba
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.ascii "amdgcn-amd-amdhsa--gfx1250"
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.byte 0xae
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.ascii "amdhsa.version"
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.byte 0x92, 0x01, 0x02
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.endif
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.Lmetadata_desc_end:
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.p2align 2
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.endif
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