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cmake: workaround arm64 clang codeview crash in iqk gemm #14

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cmake: workaround arm64 clang codeview crash in iqk gemm #14

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6 changes: 6 additions & 0 deletions ggml/src/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -286,6 +286,12 @@ if (GGML_IQK_MUL_MAT)
iqk/iqk_gemm_iqk_quants.h
iqk/iqk_gemm_1bit.h
iqk/iqk_gemm_legacy_quants.h)
if (MSVC AND CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND CMAKE_GENERATOR_PLATFORM_LWR STREQUAL "arm64")
# Workaround for LLVM bug: unknown CodeView register Q4_Q5 when generating
# debug info for iqk_gemm_legacy_quants.cpp on Windows ARM64 builds.
# Disable debug info for this file to avoid the backend crash.
set_property(SOURCE iqk/iqk_gemm_legacy_quants.cpp PROPERTY COMPILE_FLAGS "-g0")
endif()
if (GGML_IQK_FLASH_ATTENTION)
message(STATUS "Enabling IQK Flash Attention kernels")
add_compile_definitions(GGML_IQK_FLASH_ATTENTION)
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