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annotations
2018 May 30
1
llvm.annotation arguments
Hello all,
According to *clang/lib/CodeGen/CodeGenFunction.cpp*, a LLVM annotation
intrinsic call has 4 arguments:
- llvm::Value *AnnotatedVal,
- Builder.CreateBitCast(CGM.EmitAnnotationString(AnnotationStr), Int8PtrTy),
- Builder.CreateBitCast(CGM.EmitAnnotationUnit(Location), Int8PtrTy),
- CGM.EmitAnnotationLineNo(Location)
However, this is what an annotation intrinsic *char
__attribute__((annotate("DIFF"))) diff* looks like in the IR:
@.str = private unnamed_addr consta...