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[LLVM-C] DIBuilder Bindings For Variable Expressions
Summary: Add DIBuilder bindings for (global) variable expressions, variable value expressions, and debug value intrinsic insertion. Reviewers: harlanhaskins, deadalnix, whitequark Reviewed By: whitequark Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D45979 llvm-svn: 330661
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@ -28,19 +28,3 @@ LLVMMetadataRef LLVMDIBuilderCreateTypedef(LLVMDIBuilderRef Dref,
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File ? unwrap<DIFile>(File) : nullptr, Line,
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Context ? unwrap<DIScope>(Context) : nullptr));
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}
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LLVMValueRef LLVMDIBuilderInsertValueAtEnd(LLVMDIBuilderRef Dref,
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LLVMValueRef Val,
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LLVMMetadataRef VarInfo,
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LLVMMetadataRef Expr,
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LLVMBasicBlockRef Block) {
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// Fail immediately here until the llgo folks update their bindings. The
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// called function is going to assert out anyway.
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llvm_unreachable("DIBuilder API change requires a DebugLoc");
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DIBuilder *D = unwrap(Dref);
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Instruction *Instr = D->insertDbgValueIntrinsic(
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unwrap(Val), unwrap<DILocalVariable>(VarInfo), unwrap<DIExpression>(Expr),
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/* DebugLoc */ nullptr, unwrap(Block));
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return wrap(Instr);
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}
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@ -33,11 +33,6 @@ LLVMMetadataRef LLVMDIBuilderCreateTypedef(LLVMDIBuilderRef D,
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LLVMMetadataRef File, unsigned Line,
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LLVMMetadataRef Context);
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LLVMValueRef LLVMDIBuilderInsertValueAtEnd(LLVMDIBuilderRef D, LLVMValueRef Val,
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LLVMMetadataRef VarInfo,
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LLVMMetadataRef Expr,
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LLVMBasicBlockRef Block);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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@ -571,7 +571,7 @@ func (d *DIBuilder) InsertDeclareAtEnd(v Value, diVarInfo, expr Metadata, bb Bas
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// InsertValueAtEnd inserts a call to llvm.dbg.value at the end of the
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// specified basic block for the given value and associated debug metadata.
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func (d *DIBuilder) InsertValueAtEnd(v Value, diVarInfo, expr Metadata, bb BasicBlock) Value {
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result := C.LLVMDIBuilderInsertValueAtEnd(d.ref, v.C, diVarInfo.C, expr.C, bb.C)
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result := C.LLVMDIBuilderInsertDbgValueAtEnd(d.ref, v.C, diVarInfo.C, expr.C, nil, bb.C)
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return Value{C: result}
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}
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@ -716,6 +716,78 @@ LLVMMetadataRef LLVMDIBuilderGetOrCreateArray(LLVMDIBuilderRef Builder,
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LLVMMetadataRef LLVMDIBuilderCreateExpression(LLVMDIBuilderRef Builder,
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int64_t *Addr, size_t Length);
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/**
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* Create a new descriptor for the specified variable that does not have an
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* address, but does have a constant value.
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* \param Builder The DIBuilder.
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* \param Value The constant value.
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*/
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LLVMMetadataRef
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LLVMDIBuilderCreateConstantValueExpression(LLVMDIBuilderRef Builder,
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int64_t Value);
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/**
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* Create a new descriptor for the specified variable.
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* \param Scope Variable scope.
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* \param Name Name of the variable.
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* \param NameLen The length of the C string passed to \c Name.
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* \param Linkage Mangled name of the variable.
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* \param LinkLen The length of the C string passed to \c Linkage.
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* \param File File where this variable is defined.
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* \param LineNo Line number.
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* \param Ty Variable Type.
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* \param LocalToUnit Boolean flag indicate whether this variable is
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* externally visible or not.
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* \param Expr The location of the global relative to the attached
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* GlobalVariable.
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* \param Decl Reference to the corresponding declaration.
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* \param AlignInBits Variable alignment(or 0 if no alignment attr was
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* specified)
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*/
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LLVMMetadataRef
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LLVMDIBuilderCreateGlobalVariableExpression(LLVMDIBuilderRef Builder,
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LLVMMetadataRef Scope,
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const char *Name, size_t NameLen,
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const char *Linkage, size_t LinkLen,
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LLVMMetadataRef File,
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unsigned LineNo,
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LLVMMetadataRef Ty,
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LLVMBool LocalToUnit,
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LLVMMetadataRef Expr,
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LLVMMetadataRef Decl,
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uint32_t AlignInBits);
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/**
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* Create a new descriptor for the specified global variable that is temporary
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* and meant to be RAUWed.
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* \param Scope Variable scope.
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* \param Name Name of the variable.
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* \param NameLen The length of the C string passed to \c Name.
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* \param Linkage Mangled name of the variable.
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* \param LnkLen The length of the C string passed to \c Linkage.
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* \param File File where this variable is defined.
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* \param LineNo Line number.
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* \param Ty Variable Type.
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* \param LocalToUnit Boolean flag indicate whether this variable is
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* externally visible or not.
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* \param Expr The location of the global relative to the attached
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* GlobalVariable.
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* \param Decl Reference to the corresponding declaration.
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* \param AlignInBits Variable alignment(or 0 if no alignment attr was
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* specified)
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*/
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LLVMMetadataRef
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LLVMDIBuilderCreateTempGlobalVariableFwdDecl(LLVMDIBuilderRef Builder,
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LLVMMetadataRef Scope,
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const char *Name, size_t NameLen,
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const char *Linkage, size_t LnkLen,
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LLVMMetadataRef File,
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unsigned LineNo,
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LLVMMetadataRef Ty,
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LLVMBool LocalToUnit,
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LLVMMetadataRef Decl,
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uint32_t AlignInBits);
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/**
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* Insert a new llvm.dbg.declare intrinsic call before the given instruction.
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* \param Builder The DIBuilder.
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@ -744,6 +816,40 @@ LLVMValueRef LLVMDIBuilderInsertDeclareAtEnd(
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LLVMDIBuilderRef Builder, LLVMValueRef Storage, LLVMMetadataRef VarInfo,
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LLVMMetadataRef Expr, LLVMMetadataRef DebugLoc, LLVMBasicBlockRef Block);
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/**
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* Insert a new llvm.dbg.value intrinsic call before the given instruction.
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* \param Builder The DIBuilder.
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* \param Val The value of the variable.
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* \param VarInfo The variable's debug info descriptor.
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* \param Expr A complex location expression for the variable.
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* \param DebugLoc Debug info location.
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* \param Instr Instruction acting as a location for the new intrinsic.
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*/
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LLVMValueRef LLVMDIBuilderInsertDbgValueBefore(LLVMDIBuilderRef Builder,
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LLVMValueRef Val,
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LLVMMetadataRef VarInfo,
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LLVMMetadataRef Expr,
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LLVMMetadataRef DebugLoc,
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LLVMValueRef Instr);
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/**
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* Insert a new llvm.dbg.value intrinsic call at the end of the given basic
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* block. If the basic block has a terminator instruction, the intrinsic is
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* inserted before that terminator instruction.
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* \param Builder The DIBuilder.
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* \param Val The value of the variable.
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* \param VarInfo The variable's debug info descriptor.
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* \param Expr A complex location expression for the variable.
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* \param DebugLoc Debug info location.
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* \param Block Basic block acting as a location for the new intrinsic.
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*/
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LLVMValueRef LLVMDIBuilderInsertDbgValueAtEnd(LLVMDIBuilderRef Builder,
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LLVMValueRef Val,
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LLVMMetadataRef VarInfo,
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LLVMMetadataRef Expr,
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LLVMMetadataRef DebugLoc,
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LLVMBasicBlockRef Block);
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/**
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* Create a new descriptor for a local auto variable.
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* \param Builder The DIBuilder.
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@ -1042,6 +1042,48 @@ LLVMMetadataRef LLVMDIBuilderCreateExpression(LLVMDIBuilderRef Builder,
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Length)));
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}
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LLVMMetadataRef
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LLVMDIBuilderCreateConstantValueExpression(LLVMDIBuilderRef Builder,
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int64_t Value) {
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return wrap(unwrap(Builder)->createConstantValueExpression(Value));
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}
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LLVMMetadataRef
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LLVMDIBuilderCreateGlobalVariableExpression(LLVMDIBuilderRef Builder,
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LLVMMetadataRef Scope,
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const char *Name, size_t NameLen,
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const char *Linkage, size_t LinkLen,
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LLVMMetadataRef File,
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unsigned LineNo,
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LLVMMetadataRef Ty,
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LLVMBool LocalToUnit,
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LLVMMetadataRef Expr,
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LLVMMetadataRef Decl,
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uint32_t AlignInBits) {
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return wrap(unwrap(Builder)->createGlobalVariableExpression(
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unwrapDI<DIScope>(Scope), {Name, NameLen}, {Linkage, LinkLen},
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unwrapDI<DIFile>(File), LineNo, unwrapDI<DIType>(Ty),
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LocalToUnit, unwrap<DIExpression>(Expr),
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unwrapDI<MDNode>(Decl), AlignInBits));
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}
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LLVMMetadataRef
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LLVMDIBuilderCreateTempGlobalVariableFwdDecl(LLVMDIBuilderRef Builder,
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LLVMMetadataRef Scope,
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const char *Name, size_t NameLen,
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const char *Linkage, size_t LnkLen,
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LLVMMetadataRef File,
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unsigned LineNo,
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LLVMMetadataRef Ty,
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LLVMBool LocalToUnit,
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LLVMMetadataRef Decl,
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uint32_t AlignInBits) {
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return wrap(unwrap(Builder)->createTempGlobalVariableFwdDecl(
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unwrapDI<DIScope>(Scope), {Name, NameLen}, {Linkage, LnkLen},
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unwrapDI<DIFile>(File), LineNo, unwrapDI<DIType>(Ty),
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LocalToUnit, unwrapDI<MDNode>(Decl), AlignInBits));
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}
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LLVMValueRef LLVMDIBuilderInsertDeclareBefore(
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LLVMDIBuilderRef Builder, LLVMValueRef Storage, LLVMMetadataRef VarInfo,
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LLVMMetadataRef Expr, LLVMMetadataRef DL, LLVMValueRef Instr) {
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@ -1060,6 +1102,30 @@ LLVMValueRef LLVMDIBuilderInsertDeclareAtEnd(
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unwrap(Block)));
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}
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LLVMValueRef LLVMDIBuilderInsertDbgValueBefore(LLVMDIBuilderRef Builder,
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LLVMValueRef Val,
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LLVMMetadataRef VarInfo,
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LLVMMetadataRef Expr,
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LLVMMetadataRef DebugLoc,
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LLVMValueRef Instr) {
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return wrap(unwrap(Builder)->insertDbgValueIntrinsic(
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unwrap(Val), unwrap<DILocalVariable>(VarInfo),
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unwrap<DIExpression>(Expr), unwrap<DILocation>(DebugLoc),
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unwrap<Instruction>(Instr)));
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}
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LLVMValueRef LLVMDIBuilderInsertDbgValueAtEnd(LLVMDIBuilderRef Builder,
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LLVMValueRef Val,
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LLVMMetadataRef VarInfo,
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LLVMMetadataRef Expr,
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LLVMMetadataRef DebugLoc,
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LLVMBasicBlockRef Block) {
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return wrap(unwrap(Builder)->insertDbgValueIntrinsic(
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unwrap(Val), unwrap<DILocalVariable>(VarInfo),
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unwrap<DIExpression>(Expr), unwrap<DILocation>(DebugLoc),
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unwrap(Block)));
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}
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LLVMMetadataRef LLVMDIBuilderCreateAutoVariable(
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LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
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size_t NameLen, LLVMMetadataRef File, unsigned LineNo, LLVMMetadataRef Ty,
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@ -3,39 +3,44 @@
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; CHECK: ; ModuleID = 'debuginfo.c'
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; CHECK-NEXT: source_filename = "debuginfo.c"
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; CHECK: define i64 @foo(i64, i64, <10 x i64>) !dbg !9 {
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; CHECK: define i64 @foo(i64, i64, <10 x i64>) !dbg !12 {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: call void @llvm.dbg.declare(metadata i64 0, metadata !16, metadata !DIExpression()), !dbg !19
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; CHECK-NEXT: call void @llvm.dbg.declare(metadata i64 0, metadata !17, metadata !DIExpression()), !dbg !19
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; CHECK-NEXT: call void @llvm.dbg.declare(metadata i64 0, metadata !18, metadata !DIExpression()), !dbg !19
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; CHECK-NEXT: call void @llvm.dbg.declare(metadata i64 0, metadata !19, metadata !DIExpression()), !dbg !24
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; CHECK-NEXT: call void @llvm.dbg.declare(metadata i64 0, metadata !20, metadata !DIExpression()), !dbg !24
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; CHECK-NEXT: call void @llvm.dbg.declare(metadata i64 0, metadata !21, metadata !DIExpression()), !dbg !24
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; CHECK: vars:
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; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 0, metadata !22, metadata !DIExpression(DW_OP_constu, 0, DW_OP_stack_value)), !dbg !25
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; CHECK-NEXT: }
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; CHECK: declare void @llvm.dbg.declare(metadata, metadata, metadata) #0
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; CHECK: declare !dbg !20 i64 @foo_inner_scope(i64, i64, <10 x i64>)
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; CHECK: declare void @llvm.dbg.value(metadata, metadata, metadata) #0
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; CHECK: !llvm.dbg.cu = !{!0}
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; CHECK: !FooType = !{!3}
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; CHECK: !FooType = !{!8}
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; CHECK: !0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "llvm-c-test", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false)
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; CHECK: !0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "llvm-c-test", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !3, splitDebugInlining: false)
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; CHECK-NEXT: !1 = !DIFile(filename: "debuginfo.c", directory: ".")
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; CHECK-NEXT: !2 = !{}
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; CHECK-NEXT: !3 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4, size: 192, dwarfAddressSpace: 0)
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; CHECK-NEXT: !4 = !DICompositeType(tag: DW_TAG_structure_type, name: "MyStruct", scope: !5, file: !1, size: 192, elements: !7, runtimeLang: DW_LANG_C89, identifier: "MyStruct")
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; CHECK-NEXT: !5 = !DINamespace(name: "NameSpace", scope: !6)
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; CHECK-NEXT: !3 = !{!4}
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; CHECK-NEXT: !4 = !DIGlobalVariableExpression(var: !5, expr: !DIExpression(DW_OP_constu, 0, DW_OP_stack_value))
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; CHECK-NEXT: !5 = distinct !DIGlobalVariable(name: "global", scope: !6, file: !1, line: 1, type: !7, isLocal: true, isDefinition: true)
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; CHECK-NEXT: !6 = !DIModule(scope: null, name: "llvm-c-test", includePath: "/test/include/llvm-c-test.h")
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; CHECK-NEXT: !7 = !{!8, !8, !8}
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; CHECK-NEXT: !8 = !DIBasicType(name: "Int64", size: 64)
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; CHECK-NEXT: !9 = distinct !DISubprogram(name: "foo", linkageName: "foo", scope: !1, file: !1, line: 42, type: !10, isLocal: true, isDefinition: true, scopeLine: 42, isOptimized: false, unit: !0, variables: !15)
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; CHECK-NEXT: !10 = !DISubroutineType(types: !11)
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; CHECK-NEXT: !11 = !{!8, !8, !12}
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; CHECK-NEXT: !12 = !DICompositeType(tag: DW_TAG_array_type, baseType: !8, size: 640, flags: DIFlagVector, elements: !13)
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; CHECK-NEXT: !13 = !{!14}
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; CHECK-NEXT: !14 = !DISubrange(count: 10)
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; CHECK-NEXT: !15 = !{!16, !17, !18}
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; CHECK-NEXT: !16 = !DILocalVariable(name: "a", arg: 1, scope: !9, file: !1, line: 42, type: !8)
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; CHECK-NEXT: !17 = !DILocalVariable(name: "b", arg: 2, scope: !9, file: !1, line: 42, type: !8)
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; CHECK-NEXT: !18 = !DILocalVariable(name: "c", arg: 3, scope: !9, file: !1, line: 42, type: !12)
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; CHECK-NEXT: !19 = !DILocation(line: 42, scope: !9)
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; CHECK-NEXT: !20 = distinct !DISubprogram(name: "foo_inner_scope", linkageName: "foo_inner_scope", scope: !21, file: !1, line: 42, type: !10, isLocal: true, isDefinition: true, scopeLine: 42, isOptimized: false, unit: !0, variables: !2)
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; CHECK-NEXT: !21 = distinct !DILexicalBlock(scope: !9, file: !1, line: 42)
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; CHECK-NEXT: !7 = !DIBasicType(name: "Int64", size: 64)
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; CHECK-NEXT: !8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 192, dwarfAddressSpace: 0)
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; CHECK-NEXT: !9 = !DICompositeType(tag: DW_TAG_structure_type, name: "MyStruct", scope: !10, file: !1, size: 192, elements: !11, runtimeLang: DW_LANG_C89, identifier: "MyStruct")
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; CHECK-NEXT: !10 = !DINamespace(name: "NameSpace", scope: !6)
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; CHECK-NEXT: !11 = !{!7, !7, !7}
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; CHECK-NEXT: !12 = distinct !DISubprogram(name: "foo", linkageName: "foo", scope: !1, file: !1, line: 42, type: !13, isLocal: true, isDefinition: true, scopeLine: 42, isOptimized: false, unit: !0, variables: !18)
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; CHECK-NEXT: !13 = !DISubroutineType(types: !14)
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; CHECK-NEXT: !14 = !{!7, !7, !15}
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; CHECK-NEXT: !15 = !DICompositeType(tag: DW_TAG_array_type, baseType: !7, size: 640, flags: DIFlagVector, elements: !16)
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; CHECK-NEXT: !16 = !{!17}
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; CHECK-NEXT: !17 = !DISubrange(count: 10)
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; CHECK-NEXT: !18 = !{!19, !20, !21, !22}
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; CHECK-NEXT: !19 = !DILocalVariable(name: "a", arg: 1, scope: !12, file: !1, line: 42, type: !7)
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; CHECK-NEXT: !20 = !DILocalVariable(name: "b", arg: 2, scope: !12, file: !1, line: 42, type: !7)
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; CHECK-NEXT: !21 = !DILocalVariable(name: "c", arg: 3, scope: !12, file: !1, line: 42, type: !15)
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; CHECK-NEXT: !22 = !DILocalVariable(name: "d", scope: !23, file: !1, line: 43, type: !7)
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; CHECK-NEXT: !23 = distinct !DILexicalBlock(scope: !12, file: !1, line: 42)
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; CHECK-NEXT: !24 = !DILocation(line: 42, scope: !12)
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; CHECK-NEXT: !25 = !DILocation(line: 43, scope: !12)
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@ -36,11 +36,17 @@ int llvm_test_dibuilder(void) {
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"/test/include/llvm-c-test.h", 27,
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"", 0);
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LLVMMetadataRef NameSpace =
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LLVMDIBuilderCreateNameSpace(DIB, Module, "NameSpace", 9, false);
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LLVMMetadataRef Int64Ty =
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LLVMDIBuilderCreateBasicType(DIB, "Int64", 5, 64, 0);
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LLVMMetadataRef GlobalVarValueExpr =
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LLVMDIBuilderCreateConstantValueExpression(DIB, 0);
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LLVMDIBuilderCreateGlobalVariableExpression(DIB, Module, "global", 6,
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"", 0, File, 1, Int64Ty,
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true, GlobalVarValueExpr,
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NULL, 0);
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LLVMMetadataRef NameSpace =
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LLVMDIBuilderCreateNameSpace(DIB, Module, "NameSpace", 9, false);
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LLVMMetadataRef StructDbgElts[] = {Int64Ty, Int64Ty, Int64Ty};
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LLVMMetadataRef StructDbgTy =
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@ -109,14 +115,19 @@ int llvm_test_dibuilder(void) {
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LLVMMetadataRef FooLexicalBlock =
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LLVMDIBuilderCreateLexicalBlock(DIB, FunctionMetadata, File, 42, 0);
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LLVMValueRef InnerFooFunction =
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LLVMAddFunction(M, "foo_inner_scope", FooFuncTy);
|
||||
LLVMMetadataRef InnerFunctionMetadata =
|
||||
LLVMDIBuilderCreateFunction(DIB, FooLexicalBlock, "foo_inner_scope", 15,
|
||||
"foo_inner_scope", 15,
|
||||
File, 42, FunctionTy, true, true,
|
||||
42, 0, false);
|
||||
LLVMSetSubprogram(InnerFooFunction, InnerFunctionMetadata);
|
||||
LLVMBasicBlockRef FooVarBlock = LLVMAppendBasicBlock(FooFunction, "vars");
|
||||
LLVMMetadataRef FooVarsLocation =
|
||||
LLVMDIBuilderCreateDebugLocation(LLVMGetGlobalContext(), 43, 0,
|
||||
FunctionMetadata, NULL);
|
||||
LLVMMetadataRef FooVar1 =
|
||||
LLVMDIBuilderCreateAutoVariable(DIB, FooLexicalBlock, "d", 1, File,
|
||||
43, Int64Ty, true, 0, 0);
|
||||
LLVMValueRef FooVal1 = LLVMConstInt(LLVMInt64Type(), 0, false);
|
||||
LLVMMetadataRef FooVarValueExpr =
|
||||
LLVMDIBuilderCreateConstantValueExpression(DIB, 0);
|
||||
|
||||
LLVMDIBuilderInsertDbgValueAtEnd(DIB, FooVal1, FooVar1, FooVarValueExpr,
|
||||
FooVarsLocation, FooVarBlock);
|
||||
|
||||
LLVMDIBuilderFinalize(DIB);
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user