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5b721561aa
Previously, subprograms contained a metadata reference to the function they described. Because most clients need to get or set a subprogram for a given function rather than the other way around, this created unneeded inefficiency. For example, many passes needed to call the function llvm::makeSubprogramMap() to build a mapping from functions to subprograms, and the IR linker needed to fix up function references in a way that caused quadratic complexity in the IR linking phase of LTO. This change reverses the direction of the edge by storing the subprogram as function-level metadata and removing DISubprogram's function field. Since this is an IR change, a bitcode upgrade has been provided. Fixes PR23367. An upgrade script for textual IR for out-of-tree clients is attached to the PR. Differential Revision: http://reviews.llvm.org/D14265 llvm-svn: 252219
147 lines
6.6 KiB
C++
147 lines
6.6 KiB
C++
//===- DIBuilderBindings.h - Bindings for DIBuilder -------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines C bindings for the DIBuilder class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_BINDINGS_GO_LLVM_DIBUILDERBINDINGS_H
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#define LLVM_BINDINGS_GO_LLVM_DIBUILDERBINDINGS_H
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#include "IRBindings.h"
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#include "llvm-c/Core.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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// FIXME: These bindings shouldn't be Go-specific and should eventually move to
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// a (somewhat) less stable collection of C APIs for use in creating bindings of
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// LLVM in other languages.
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typedef struct LLVMOpaqueDIBuilder *LLVMDIBuilderRef;
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LLVMDIBuilderRef LLVMNewDIBuilder(LLVMModuleRef m);
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void LLVMDIBuilderDestroy(LLVMDIBuilderRef d);
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void LLVMDIBuilderFinalize(LLVMDIBuilderRef d);
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LLVMMetadataRef
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LLVMDIBuilderCreateCompileUnit(LLVMDIBuilderRef D, unsigned Language,
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const char *File, const char *Dir,
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const char *Producer, int Optimized,
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const char *Flags, unsigned RuntimeVersion);
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LLVMMetadataRef LLVMDIBuilderCreateFile(LLVMDIBuilderRef D, const char *File,
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const char *Dir);
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LLVMMetadataRef LLVMDIBuilderCreateLexicalBlock(LLVMDIBuilderRef D,
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LLVMMetadataRef Scope,
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LLVMMetadataRef File,
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unsigned Line, unsigned Column);
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LLVMMetadataRef LLVMDIBuilderCreateLexicalBlockFile(LLVMDIBuilderRef D,
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LLVMMetadataRef Scope,
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LLVMMetadataRef File,
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unsigned Discriminator);
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LLVMMetadataRef LLVMDIBuilderCreateFunction(
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LLVMDIBuilderRef D, LLVMMetadataRef Scope, const char *Name,
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const char *LinkageName, LLVMMetadataRef File, unsigned Line,
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LLVMMetadataRef CompositeType, int IsLocalToUnit, int IsDefinition,
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unsigned ScopeLine, unsigned Flags, int IsOptimized);
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LLVMMetadataRef
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LLVMDIBuilderCreateAutoVariable(LLVMDIBuilderRef D, LLVMMetadataRef Scope,
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const char *Name, LLVMMetadataRef File,
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unsigned Line, LLVMMetadataRef Ty,
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int AlwaysPreserve, unsigned Flags);
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LLVMMetadataRef LLVMDIBuilderCreateParameterVariable(
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LLVMDIBuilderRef D, LLVMMetadataRef Scope, const char *Name, unsigned ArgNo,
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LLVMMetadataRef File, unsigned Line, LLVMMetadataRef Ty, int AlwaysPreserve,
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unsigned Flags);
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LLVMMetadataRef LLVMDIBuilderCreateBasicType(LLVMDIBuilderRef D,
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const char *Name,
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uint64_t SizeInBits,
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uint64_t AlignInBits,
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unsigned Encoding);
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LLVMMetadataRef LLVMDIBuilderCreatePointerType(LLVMDIBuilderRef D,
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LLVMMetadataRef PointeeType,
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uint64_t SizeInBits,
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uint64_t AlignInBits,
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const char *Name);
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LLVMMetadataRef
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LLVMDIBuilderCreateSubroutineType(LLVMDIBuilderRef D, LLVMMetadataRef File,
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LLVMMetadataRef ParameterTypes);
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LLVMMetadataRef LLVMDIBuilderCreateStructType(
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LLVMDIBuilderRef D, LLVMMetadataRef Scope, const char *Name,
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LLVMMetadataRef File, unsigned Line, uint64_t SizeInBits,
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uint64_t AlignInBits, unsigned Flags, LLVMMetadataRef DerivedFrom,
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LLVMMetadataRef ElementTypes);
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LLVMMetadataRef LLVMDIBuilderCreateReplaceableCompositeType(
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LLVMDIBuilderRef D, unsigned Tag, const char *Name, LLVMMetadataRef Scope,
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LLVMMetadataRef File, unsigned Line, unsigned RuntimeLang,
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uint64_t SizeInBits, uint64_t AlignInBits, unsigned Flags);
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LLVMMetadataRef
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LLVMDIBuilderCreateMemberType(LLVMDIBuilderRef D, LLVMMetadataRef Scope,
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const char *Name, LLVMMetadataRef File,
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unsigned Line, uint64_t SizeInBits,
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uint64_t AlignInBits, uint64_t OffsetInBits,
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unsigned Flags, LLVMMetadataRef Ty);
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LLVMMetadataRef LLVMDIBuilderCreateArrayType(LLVMDIBuilderRef D,
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uint64_t SizeInBits,
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uint64_t AlignInBits,
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LLVMMetadataRef ElementType,
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LLVMMetadataRef Subscripts);
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LLVMMetadataRef LLVMDIBuilderCreateTypedef(LLVMDIBuilderRef D,
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LLVMMetadataRef Ty, const char *Name,
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LLVMMetadataRef File, unsigned Line,
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LLVMMetadataRef Context);
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LLVMMetadataRef LLVMDIBuilderGetOrCreateSubrange(LLVMDIBuilderRef D, int64_t Lo,
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int64_t Count);
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LLVMMetadataRef LLVMDIBuilderGetOrCreateArray(LLVMDIBuilderRef D,
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LLVMMetadataRef *Data,
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size_t Length);
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LLVMMetadataRef LLVMDIBuilderGetOrCreateTypeArray(LLVMDIBuilderRef D,
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LLVMMetadataRef *Data,
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size_t Length);
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LLVMMetadataRef LLVMDIBuilderCreateExpression(LLVMDIBuilderRef Dref,
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int64_t *Addr, size_t Length);
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LLVMValueRef LLVMDIBuilderInsertDeclareAtEnd(LLVMDIBuilderRef D,
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LLVMValueRef Storage,
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LLVMMetadataRef VarInfo,
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LLVMMetadataRef Expr,
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LLVMBasicBlockRef Block);
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LLVMValueRef LLVMDIBuilderInsertValueAtEnd(LLVMDIBuilderRef D, LLVMValueRef Val,
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uint64_t Offset,
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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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#endif
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