ee6ace27e0
This pass used to cause huge compile time regressions, That has been address and can now be re-added. Differential Revision: https://reviews.llvm.org/D153374
30 lines
867 B
CMake
30 lines
867 B
CMake
add_startup_object(
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crt1
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SRC
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start.cpp
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DEPENDS
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libc.src.__support.RPC.rpc_client
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libc.src.__support.GPU.utils
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libc.src.stdlib.exit
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libc.src.stdlib.atexit
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COMPILE_OPTIONS
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-ffreestanding # To avoid compiler warnings about calling the main function.
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-fno-builtin
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-nogpulib # Do not include any GPU vendor libraries.
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-mcpu=${LIBC_GPU_TARGET_ARCHITECTURE}
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-emit-llvm # AMDGPU's intermediate object file format is bitcode.
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--target=${LIBC_GPU_TARGET_TRIPLE}
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NO_GPU_BUNDLE # Compile this file directly without special GPU handling.
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)
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get_fq_target_name(crt1 fq_name)
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# Ensure that clang uses the correct linker for this object type.
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target_link_libraries(
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${fq_name}
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PUBLIC
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"-mcpu=${LIBC_GPU_TARGET_ARCHITECTURE}"
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"--target=${LIBC_GPU_TARGET_TRIPLE}"
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"-flto"
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"-Wl,-mllvm,-amdgpu-lower-global-ctor-dtor=0"
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)
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