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No default constructor in llvm::AttrBuilder for Code generation (Chapter 5) #23

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Fare9 opened this issue Jan 18, 2023 · 0 comments

Fare9 commented Jan 18, 2023 •

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In newer versions of LLVM (from LLVM 14), there's no default AttrBuilder constructor, it's necessary to add a LLVMContext.

Modify:

Learn-LLVM-12/Chapter05/tinylang/lib/CodeGen/CGProcedure.cpp

Lines 201 to 207 in 8e94087

    
           llvm::AttrBuilder Attr; 
        
           llvm::TypeSize Sz = 
        
               CGM.getModule()->getDataLayout().getTypeStoreSize( 
        
                   CGM.convertType(FP->getType())); 
        
           Attr.addDereferenceableAttr(Sz); 
        
           Attr.addAttribute(llvm::Attribute::NoCapture); 
        
           Arg->addAttrs(Attr);

For:

llvm::AttrBuilder Attr(CGM.getLLVMCtx()); // add context here from CGM object
llvm::TypeSize Sz = CGM.getModule()->getDataLayout().getTypeStoreSize(CGM.convertType(FP->getType()));
Attr.addDereferenceableAttr(Sz);
Attr.addAttribute(llvm::Attribute::NoCapture);
Arg->addAttrs(Attr);

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