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Author: Andreas Beckmann <anbe@debian.org>
Description: reduce the amount of symbols exposed by the library
Forwarded: https://github.com/KhronosGroup/SPIRV-LLVM-Translator/issues/1963
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -142,6 +142,9 @@ if (NOT SPIRV_TOOLS_FOUND)
endif()
+add_compile_options(-fvisibility=hidden)
+add_compile_options($<$<COMPILE_LANGUAGE:CXX>:-fvisibility-inlines-hidden>)
+
add_subdirectory(lib/SPIRV)
add_subdirectory(tools/llvm-spirv)
if(LLVM_SPIRV_INCLUDE_TESTS)
--- a/include/LLVMSPIRVLib.h
+++ b/include/LLVMSPIRVLib.h
@@ -46,6 +46,8 @@
#include <iostream>
#include <string>
+#pragma GCC visibility push(default)
+
namespace llvm {
// Pass initialization functions need to be declared before inclusion of
// PassSupport.h.
@@ -68,8 +70,12 @@ class ModulePass;
class FunctionPass;
} // namespace llvm
+#pragma GCC visibility pop
+
#include "llvm/IR/Module.h"
+#pragma GCC visibility push(default)
+
namespace SPIRV {
class SPIRVModule;
@@ -256,4 +262,6 @@ FunctionPass *createSPIRVLowerBitCastToN
} // namespace llvm
+#pragma GCC visibility pop
+
#endif // SPIRV_H
--- a/include/LLVMSPIRVOpts.h
+++ b/include/LLVMSPIRVOpts.h
@@ -48,6 +48,8 @@
#include <optional>
#include <unordered_map>
+#pragma GCC visibility push(default)
+
namespace llvm {
class IntrinsicInst;
} // namespace llvm
@@ -341,4 +343,6 @@ private:
} // namespace SPIRV
+#pragma GCC visibility pop
+
#endif // SPIRV_LLVMSPIRVOPTS_H
--- a/lib/SPIRV/libSPIRV/SPIRVStream.cpp
+++ b/lib/SPIRV/libSPIRV/SPIRVStream.cpp
@@ -82,6 +82,7 @@ static void readQuotedString(std::istrea
}
#ifdef _SPIRV_SUPPORT_TEXT_FMT
+__attribute__ ((visibility ("default")))
bool SPIRVUseTextFormat = false;
#endif
--- a/lib/SPIRV/libSPIRV/SPIRVModule.cpp
+++ b/lib/SPIRV/libSPIRV/SPIRVModule.cpp
@@ -2478,6 +2478,7 @@ bool isSpirvBinary(const std::string &Im
#ifdef _SPIRV_SUPPORT_TEXT_FMT
+__attribute__ ((visibility ("default")))
bool convertSpirv(std::istream &IS, std::ostream &OS, std::string &ErrMsg,
bool FromText, bool ToText) {
auto SaveOpt = SPIRVUseTextFormat;
@@ -2514,6 +2515,7 @@ bool isSpirvText(const std::string &Img)
return Magic == MagicNumber;
}
+__attribute__ ((visibility ("default")))
bool convertSpirv(std::string &Input, std::string &Out, std::string &ErrMsg,
bool ToText) {
auto FromText = isSpirvText(Input);
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