derek.holloway
7502bf64a4
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48 lines
1.7 KiB
ArmAsm
48 lines
1.7 KiB
ArmAsm
// COM: Passthrough test for the VOP3PX2 scale_src2 bit-field fix. A kernel
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// COM: with no V_WMMA_SCALE* instructions must be left structurally
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// COM: unchanged: no bits are modified, and the disassembly must match the
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// COM: original layout.
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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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// COM: No V_WMMA_SCALE instructions, so the patch must not fire.
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// COM: Verify the disassembly layout is preserved and that v_wmma_scale
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// COM: does not appear (DISASM-NOT scope: between v_wmma_f32 and s_endpgm).
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// RUN: %llvm-objdump -d %t.out.elf | %FileCheck --check-prefix=DISASM %s
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// DISASM: v_wmma_f32_16x16x128_f8f6f4
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// DISASM-NOT: v_wmma_scale
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// DISASM: s_endpgm
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// COM: Idempotency: second rewrite must produce 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_vop3px2_noop
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.p2align 8
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.type test_vop3px2_noop,@function
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test_vop3px2_noop:
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// Regular (non-scale) WMMA: patch must not touch this.
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v_wmma_f32_16x16x128_f8f6f4 v[0:7], v[8:23], v[24:35], v[0:7] matrix_a_fmt:MATRIX_FMT_BF8 matrix_b_fmt:MATRIX_FMT_FP6
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s_endpgm
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.Ltest_vop3px2_noop_end:
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.size test_vop3px2_noop, .Ltest_vop3px2_noop_end-test_vop3px2_noop
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.rodata
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.p2align 8
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.amdhsa_kernel test_vop3px2_noop
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.amdhsa_next_free_vgpr 36
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.amdhsa_next_free_sgpr 2
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.end_amdhsa_kernel
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