| // RUN: llvm-mc -triple=amdgpu9.00-amd-amdhsa -filetype=asm %s | FileCheck --check-prefix=ASM %s |
| // RUN: llvm-mc -triple=amdgpu9.00-amd-amdhsa -filetype=obj %s | llvm-readobj -r --sections --section-data --string-dump=.amdgpu.strtab - | FileCheck --check-prefix=OBJ %s |
| |
| // Test that .amdgpu_info directives round-trip through the assembler (asm and |
| // object emission) and produce the correct TLV-encoded .amdgpu.info section. |
| |
| .text |
| .globl my_kernel |
| .p2align 8 |
| .type my_kernel,@function |
| my_kernel: |
| s_endpgm |
| .Lfunc_end0: |
| .size my_kernel, .Lfunc_end0-my_kernel |
| |
| .globl helper |
| .p2align 2 |
| .type helper,@function |
| helper: |
| s_setpc_b64 s[30:31] |
| .Lfunc_end1: |
| .size helper, .Lfunc_end1-helper |
| |
| .globl addr_taken_func |
| .p2align 2 |
| .type addr_taken_func,@function |
| addr_taken_func: |
| s_setpc_b64 s[30:31] |
| .Lfunc_end2: |
| .size addr_taken_func, .Lfunc_end2-addr_taken_func |
| |
| .globl extern_func |
| |
| // COM: Kernel: flags=7 (KERNEL|VCC|FLAT_SCRATCH), resources, call edge, use |
| // COM: edge, indirect call, and type ID. Non-zero AGPR to verify conditional |
| // COM: emission. |
| .amdgpu_info my_kernel |
| .amdgpu_flags 7 |
| .amdgpu_num_sgpr 33 |
| .amdgpu_num_vgpr 32 |
| .amdgpu_num_agpr 4 |
| .amdgpu_private_segment_size 0 |
| .amdgpu_use lds_var |
| .amdgpu_call helper |
| .amdgpu_indirect_call "vi" |
| .end_amdgpu_info |
| |
| // COM: Device function: flags=2 (VCC), call edge to external. Zero AGPR values |
| // COM: are omitted from the input; the parser defaults them to 0 and the |
| // COM: emitter skips them. |
| .amdgpu_info helper |
| .amdgpu_flags 2 |
| .amdgpu_num_sgpr 8 |
| .amdgpu_num_vgpr 10 |
| .amdgpu_private_segment_size 16 |
| .amdgpu_call extern_func |
| .end_amdgpu_info |
| |
| // Address-taken function with type ID. Zero AGPR omitted. |
| .amdgpu_info addr_taken_func |
| .amdgpu_flags 0 |
| .amdgpu_num_sgpr 2 |
| .amdgpu_num_vgpr 4 |
| .amdgpu_private_segment_size 0 |
| .amdgpu_typeid "vi" |
| .end_amdgpu_info |
| |
| // ASM: .amdgpu_info my_kernel |
| // ASM: .amdgpu_flags 7 |
| // ASM: .amdgpu_num_sgpr 33 |
| // ASM: .amdgpu_num_vgpr 32 |
| // ASM: .amdgpu_num_agpr 4 |
| // ASM: .amdgpu_private_segment_size 0 |
| // ASM: .amdgpu_use lds_var |
| // ASM: .amdgpu_call helper |
| // ASM: .amdgpu_indirect_call "vi" |
| // ASM: .end_amdgpu_info |
| |
| // ASM: .amdgpu_info helper |
| // ASM: .amdgpu_flags 2 |
| // ASM: .amdgpu_num_sgpr 8 |
| // ASM: .amdgpu_num_vgpr 10 |
| // ASM-NOT: .amdgpu_num_agpr |
| // ASM: .amdgpu_private_segment_size 16 |
| // ASM: .amdgpu_call extern_func |
| // ASM: .end_amdgpu_info |
| |
| // ASM: .amdgpu_info addr_taken_func |
| // ASM: .amdgpu_flags 0 |
| // ASM: .amdgpu_num_sgpr 2 |
| // ASM: .amdgpu_num_vgpr 4 |
| // ASM-NOT: .amdgpu_num_agpr |
| // ASM: .amdgpu_private_segment_size 0 |
| // ASM: .amdgpu_typeid "vi" |
| // ASM: .end_amdgpu_info |
| |
| // OBJ: Section { |
| // OBJ: Name: .amdgpu.info |
| // OBJ: Type: SHT_PROGBITS |
| // OBJ: Flags [ |
| // OBJ: SHF_EXCLUDE |
| // OBJ: ] |
| // OBJ: } |
| |
| // The string pool backs INFO_INDIRECT_CALL / INFO_TYPEID payloads. It is an |
| // ELF-convention SHT_STRTAB with a leading null byte at offset 0 and string |
| // deduplication -- both directives above reference the same "vi" TypeID, so |
| // it must appear exactly once starting at offset 1. |
| // OBJ: Section { |
| // OBJ: Name: .amdgpu.strtab |
| // OBJ: Type: SHT_STRTAB |
| // OBJ: Flags [ |
| // OBJ: SHF_EXCLUDE |
| // OBJ: ] |
| // OBJ: } |
| |
| // Relocations in .amdgpu.info should reference defined and external symbols. |
| // OBJ-DAG: R_AMDGPU_ABS64 my_kernel |
| // OBJ-DAG: R_AMDGPU_ABS64 helper |
| // OBJ-DAG: R_AMDGPU_ABS64 addr_taken_func |
| // OBJ-DAG: R_AMDGPU_ABS64 extern_func |
| // OBJ-DAG: R_AMDGPU_ABS64 lds_var |
| |
| // OBJ: String dump of section '.amdgpu.strtab': |
| // OBJ-NEXT: [{{ +}}1] vi |
| // OBJ-NOT: ] vi |
