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[AMDGPU] Emit predefined macro
__AMDGCN_CUMODE__
Predefine __AMDGCN_CUMODE__ as 1 or 0 when compilation assumes CU or WGP modes. If WGP mode is not supported, ignore -mno-cumode and emit a warning. This is needed for implementing device functions like __smid (https://github.com/ROCm-Developer-Tools/hipamd/blob/312dff7b794337aa040be0691acc78e9f968a8d2/include/hip/amd_detail/amd_device_functions.h#L957) Reviewed by: Matt Arsenault, Artem Belevich, Brian Sumner Differential Revision: https://reviews.llvm.org/D145343
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// REQUIRES: amdgpu-registered-target | ||
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// RUN: %clang -S -o - --offload-arch=gfx906 --cuda-device-only -nogpuinc -nogpulib \ | ||
// RUN: %s 2>&1 | FileCheck --check-prefix=NOWGP %s | ||
// RUN: %clang -S -o - --offload-arch=gfx906 --cuda-device-only -nogpuinc -nogpulib -mcumode \ | ||
// RUN: %s 2>&1 | FileCheck --check-prefix=NOWGP %s | ||
// RUN: %clang -S -o - --offload-arch=gfx906 --cuda-device-only -nogpuinc -nogpulib -mno-cumode \ | ||
// RUN: %s 2>&1 | FileCheck --check-prefixes=NOWGP,WARN-CUMODE %s | ||
// RUN: %clang -S -o - --offload-arch=gfx1030 --cuda-device-only -nogpuinc -nogpulib \ | ||
// RUN: %s 2>&1 | FileCheck --check-prefix=CUMODE-OFF %s | ||
// RUN: %clang -S -o - --offload-arch=gfx1030 --cuda-device-only -nogpuinc -nogpulib -mcumode \ | ||
// RUN: %s 2>&1 | FileCheck --check-prefix=CUMODE-ON %s | ||
// RUN: %clang -S -o - --offload-arch=gfx1030 --cuda-device-only -nogpuinc -nogpulib -mno-cumode \ | ||
// RUN: %s 2>&1 | FileCheck --check-prefix=CUMODE-OFF %s | ||
// WARN-CUMODE: warning: ignoring '-mno-cumode' option as it is not currently supported for processor 'gfx906' [-Woption-ignored] | ||
// NOWGP-NOT: .amdhsa_workgroup_processor_mode | ||
// CUMODE-ON: .amdhsa_workgroup_processor_mode 0 | ||
// CUMODE-OFF: .amdhsa_workgroup_processor_mode 1 | ||
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__attribute__((global)) void kernel() {} |
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