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Disable lto on modules with dll exports (lld-link bug)

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This commit is contained in:
Brian Fiete 2022-01-13 11:40:44 -05:00
parent 0c3f9a139d
commit 1b5f85615a
2 changed files with 6 additions and 0 deletions
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5
IDEHelper/Compiler/BfIRCodeGen.cpp
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@ -352,6 +352,7 @@ BfIRCodeGen::BfIRCodeGen()
mLLVMContext = new llvm::LLVMContext(); mLLVMContext = new llvm::LLVMContext();
mLLVMModule = NULL; mLLVMModule = NULL;
mIsCodeView = false; mIsCodeView = false;
mHadDLLExport = false;
mConstValIdx = 0; mConstValIdx = 0;
mCmdCount = 0; mCmdCount = 0;
@ -3794,6 +3795,7 @@ void BfIRCodeGen::HandleNextCmd()
else if (attribute == BFIRAttribute_DllExport) else if (attribute == BFIRAttribute_DllExport)
{ {
func->setDLLStorageClass(llvm::GlobalValue::DLLExportStorageClass); func->setDLLStorageClass(llvm::GlobalValue::DLLExportStorageClass);
mHadDLLExport = true;
} }
else if (attribute == BFIRAttribute_NoFramePointerElim) else if (attribute == BFIRAttribute_NoFramePointerElim)
{ {
@ -5314,6 +5316,9 @@ bool BfIRCodeGen::WriteObjectFile(const StringImpl& outFileName)
{ {
enableLTO = false; enableLTO = false;
} }
if (mHadDLLExport) // LTO bug in LLVM-link?
enableLTO = false;
} }
std::error_code EC; std::error_code EC;

1
IDEHelper/Compiler/BfIRCodeGen.h
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@ -106,6 +106,7 @@ public:
BfCodeGenOptions mCodeGenOptions; BfCodeGenOptions mCodeGenOptions;
bool mHasDebugLoc; bool mHasDebugLoc;
bool mIsCodeView; bool mIsCodeView;
bool mHadDLLExport;
int mConstValIdx; int mConstValIdx;
int mCmdCount; int mCmdCount;