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TheRock/compiler/amd-llvm/amd/comgr/test-lit/hotswap/rewriter/hotswap-inplace-noop.s
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derek.holloway 7502bf64a4
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2026-09-02 16:34:47 -07:00

76 lines
2.2 KiB
ArmAsm

// COM: A kernel requiring no instruction rewrite still needs its gfx1250
// COM: revision metadata retagged from B0 to A0.
// RUN: %clang -target amdgcn-amd-amdhsa -mcpu=gfx1250 -nostdlib %s -o %t.elf
// RUN: hotswap-rewrite %t.elf \
// RUN: amdgcn-amd-amdhsa--gfx1250 amdgcn-amd-amdhsa--gfx1250 \
// RUN: --output %t.out.elf \
// RUN: | %FileCheck --check-prefix=API %s
// API: RESULT: SUCCESS
// RUN: %llvm-objdump -d %t.out.elf | %FileCheck --check-prefix=DISASM %s
// RUN: %llvm-readelf --notes %t.out.elf | \
// RUN: %FileCheck --check-prefix=METADATA %s
// COM: Strict mode is accepted even when no strict rewrite matches.
// RUN: hotswap-rewrite %t.elf \
// RUN: amdgcn-amd-amdhsa--gfx1250 amdgcn-amd-amdhsa--gfx1250 \
// RUN: --strict-mode --output %t.strict.elf \
// RUN: | %FileCheck --check-prefix=STRICT %s
// STRICT: RESULT: SUCCESS
// COM: No cluster_load or s_clause -- nothing should be patched
// DISASM-NOT: cluster_load
// DISASM-NOT: s_clause
// DISASM: global_load_b32 v0
// DISASM: s_endpgm
// METADATA-NOT: .gfx1250_revision: B0
// METADATA: .gfx1250_revision: A0
// COM: Idempotency: output should be identical on second rewrite.
// RUN: hotswap-rewrite %t.out.elf \
// RUN: amdgcn-amd-amdhsa--gfx1250 amdgcn-amd-amdhsa--gfx1250 \
// RUN: --output %t.out2.elf \
// RUN: | %FileCheck --check-prefix=API2 %s
// API2: RESULT: SUCCESS
// RUN: cmp %t.out.elf %t.out2.elf
.amdgcn_target "amdgcn-amd-amdhsa--gfx1250"
.text
.globl test_noop_kernel
.p2align 8
.type test_noop_kernel,@function
test_noop_kernel:
global_load_b32 v0, v[2:3], off
s_wait_loadcnt 0x0
s_endpgm
.Ltest_noop_kernel_end:
.size test_noop_kernel, .Ltest_noop_kernel_end-test_noop_kernel
.rodata
.p2align 8
.amdhsa_kernel test_noop_kernel
.amdhsa_next_free_vgpr 4
.amdhsa_next_free_sgpr 2
.end_amdhsa_kernel
.amdgpu_metadata
amdhsa.version:
- 3
- 0
amdhsa.kernels:
- .name: test_noop_kernel
.symbol: test_noop_kernel.kd
.gfx1250_revision: B0
.sgpr_count: 2
.vgpr_count: 4
.kernarg_segment_size: 0
.group_segment_fixed_size: 0
.private_segment_fixed_size: 0
.kernarg_segment_align: 8
.wavefront_size: 64
.max_flat_workgroup_size: 256
.end_amdgpu_metadata