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llvm/trunk/lib/IR/DebugInfoMetadata.cpp
| Show All 17 Lines | |||||
| #include "llvm/ADT/StringSwitch.h" | #include "llvm/ADT/StringSwitch.h" | ||||
| #include "llvm/IR/DIBuilder.h" | #include "llvm/IR/DIBuilder.h" | ||||
| #include "llvm/IR/Function.h" | #include "llvm/IR/Function.h" | ||||
| #include "llvm/IR/Instructions.h" | #include "llvm/IR/Instructions.h" | ||||
| using namespace llvm; | using namespace llvm; | ||||
| DILocation::DILocation(LLVMContext &C, StorageType Storage, unsigned Line, | DILocation::DILocation(LLVMContext &C, StorageType Storage, unsigned Line, | ||||
| unsigned Column, ArrayRef<Metadata *> MDs) | unsigned Column, ArrayRef<Metadata *> MDs, | ||||
| bool ImplicitCode) | |||||
| : MDNode(C, DILocationKind, Storage, MDs) { | : MDNode(C, DILocationKind, Storage, MDs) { | ||||
| assert((MDs.size() == 1 || MDs.size() == 2) && | assert((MDs.size() == 1 || MDs.size() == 2) && | ||||
| "Expected a scope and optional inlined-at"); | "Expected a scope and optional inlined-at"); | ||||
| // Set line and column. | // Set line and column. | ||||
| assert(Column < (1u << 16) && "Expected 16-bit column"); | assert(Column < (1u << 16) && "Expected 16-bit column"); | ||||
| SubclassData32 = Line; | SubclassData32 = Line; | ||||
| SubclassData16 = Column; | SubclassData16 = Column; | ||||
| setImplicitCode(ImplicitCode); | |||||
| } | } | ||||
| static void adjustColumn(unsigned &Column) { | static void adjustColumn(unsigned &Column) { | ||||
| // Set to unknown on overflow. We only have 16 bits to play with here. | // Set to unknown on overflow. We only have 16 bits to play with here. | ||||
| if (Column >= (1u << 16)) | if (Column >= (1u << 16)) | ||||
| Column = 0; | Column = 0; | ||||
| } | } | ||||
| DILocation *DILocation::getImpl(LLVMContext &Context, unsigned Line, | DILocation *DILocation::getImpl(LLVMContext &Context, unsigned Line, | ||||
| unsigned Column, Metadata *Scope, | unsigned Column, Metadata *Scope, | ||||
| Metadata *InlinedAt, StorageType Storage, | Metadata *InlinedAt, bool ImplicitCode, | ||||
| bool ShouldCreate) { | StorageType Storage, bool ShouldCreate) { | ||||
| // Fixup column. | // Fixup column. | ||||
| adjustColumn(Column); | adjustColumn(Column); | ||||
| if (Storage == Uniqued) { | if (Storage == Uniqued) { | ||||
| if (auto *N = | if (auto *N = getUniqued(Context.pImpl->DILocations, | ||||
| getUniqued(Context.pImpl->DILocations, | DILocationInfo::KeyTy(Line, Column, Scope, | ||||
| DILocationInfo::KeyTy(Line, Column, Scope, InlinedAt))) | InlinedAt, ImplicitCode))) | ||||
| return N; | return N; | ||||
| if (!ShouldCreate) | if (!ShouldCreate) | ||||
| return nullptr; | return nullptr; | ||||
| } else { | } else { | ||||
| assert(ShouldCreate && "Expected non-uniqued nodes to always be created"); | assert(ShouldCreate && "Expected non-uniqued nodes to always be created"); | ||||
| } | } | ||||
| SmallVector<Metadata *, 2> Ops; | SmallVector<Metadata *, 2> Ops; | ||||
| Ops.push_back(Scope); | Ops.push_back(Scope); | ||||
| if (InlinedAt) | if (InlinedAt) | ||||
| Ops.push_back(InlinedAt); | Ops.push_back(InlinedAt); | ||||
| return storeImpl(new (Ops.size()) | return storeImpl(new (Ops.size()) DILocation(Context, Storage, Line, Column, | ||||
| DILocation(Context, Storage, Line, Column, Ops), | Ops, ImplicitCode), | ||||
| Storage, Context.pImpl->DILocations); | Storage, Context.pImpl->DILocations); | ||||
| } | } | ||||
| const DILocation *DILocation::getMergedLocation(const DILocation *LocA, | const DILocation *DILocation::getMergedLocation(const DILocation *LocA, | ||||
| const DILocation *LocB) { | const DILocation *LocB) { | ||||
| if (!LocA || !LocB) | if (!LocA || !LocB) | ||||
| return nullptr; | return nullptr; | ||||
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