#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/IR/DebugLoc.h"
-#include "llvm/IR/Metadata.h"
+#include "llvm/IR/DebugInfoMetadata.h"
#include "llvm/IR/ValueHandle.h"
-#include <utility>
#include <unordered_map>
+#include <utility>
namespace llvm {
class MachineInstr;
class LexicalScope {
public:
- LexicalScope(LexicalScope *P, const MDNode *D, const MDNode *I, bool A)
+ LexicalScope(LexicalScope *P, const DILocalScope *D, const DILocation *I,
+ bool A)
: Parent(P), Desc(D), InlinedAtLocation(I), AbstractScope(A),
LastInsn(nullptr), FirstInsn(nullptr), DFSIn(0), DFSOut(0) {
+ assert((!D || D->isResolved()) && "Expected resolved node");
+ assert((!I || I->isResolved()) && "Expected resolved node");
if (Parent)
Parent->addChild(this);
}
// Accessors.
LexicalScope *getParent() const { return Parent; }
const MDNode *getDesc() const { return Desc; }
- const MDNode *getInlinedAt() const { return InlinedAtLocation; }
- const MDNode *getScopeNode() const { return Desc; }
+ const DILocation *getInlinedAt() const { return InlinedAtLocation; }
+ const DILocalScope *getScopeNode() const { return Desc; }
bool isAbstractScope() const { return AbstractScope; }
SmallVectorImpl<LexicalScope *> &getChildren() { return Children; }
SmallVectorImpl<InsnRange> &getRanges() { return Ranges; }
private:
LexicalScope *Parent; // Parent to this scope.
- AssertingVH<const MDNode> Desc; // Debug info descriptor.
- AssertingVH<const MDNode> InlinedAtLocation; // Location at which this
+ const DILocalScope *Desc; // Debug info descriptor.
+ const DILocation *InlinedAtLocation; // Location at which this
// scope is inlined.
bool AbstractScope; // Abstract Scope
SmallVector<LexicalScope *, 4> Children; // Scopes defined in scope.
/// empty - Return true if there is any lexical scope information available.
bool empty() { return CurrentFnLexicalScope == nullptr; }
- /// isCurrentFunctionScope - Return true if given lexical scope represents
- /// current function.
- bool isCurrentFunctionScope(const LexicalScope *LS) {
- return LS == CurrentFnLexicalScope;
- }
-
/// getCurrentFunctionScope - Return lexical scope for the current function.
LexicalScope *getCurrentFunctionScope() const {
return CurrentFnLexicalScope;
/// getMachineBasicBlocks - Populate given set using machine basic blocks
/// which have machine instructions that belong to lexical scope identified by
/// DebugLoc.
- void getMachineBasicBlocks(DebugLoc DL,
- SmallPtrSet<const MachineBasicBlock *, 4> &MBBs);
+ void getMachineBasicBlocks(const DILocation *DL,
+ SmallPtrSetImpl<const MachineBasicBlock *> &MBBs);
/// dominates - Return true if DebugLoc's lexical scope dominates at least one
/// machine instruction's lexical scope in a given machine basic block.
- bool dominates(DebugLoc DL, MachineBasicBlock *MBB);
+ bool dominates(const DILocation *DL, MachineBasicBlock *MBB);
/// findLexicalScope - Find lexical scope, either regular or inlined, for the
/// given DebugLoc. Return NULL if not found.
- LexicalScope *findLexicalScope(DebugLoc DL);
+ LexicalScope *findLexicalScope(const DILocation *DL);
/// getAbstractScopesList - Return a reference to list of abstract scopes.
ArrayRef<LexicalScope *> getAbstractScopesList() const {
}
/// findAbstractScope - Find an abstract scope or return null.
- LexicalScope *findAbstractScope(const MDNode *N) {
+ LexicalScope *findAbstractScope(const DILocalScope *N) {
auto I = AbstractScopeMap.find(N);
return I != AbstractScopeMap.end() ? &I->second : nullptr;
}
- /// findInlinedScope - Find an inlined scope for the given DebugLoc or return
- /// NULL.
- LexicalScope *findInlinedScope(DebugLoc DL) {
- return InlinedLexicalScopeMap.lookup(DL);
+ /// findInlinedScope - Find an inlined scope for the given scope/inlined-at.
+ LexicalScope *findInlinedScope(const DILocalScope *N, const DILocation *IA) {
+ auto I = InlinedLexicalScopeMap.find(std::make_pair(N, IA));
+ return I != InlinedLexicalScopeMap.end() ? &I->second : nullptr;
}
/// findLexicalScope - Find regular lexical scope or return null.
- LexicalScope *findLexicalScope(const MDNode *N) {
+ LexicalScope *findLexicalScope(const DILocalScope *N) {
auto I = LexicalScopeMap.find(N);
return I != LexicalScopeMap.end() ? &I->second : nullptr;
}
/// dump - Print data structures to dbgs().
void dump();
+ /// getOrCreateAbstractScope - Find or create an abstract lexical scope.
+ LexicalScope *getOrCreateAbstractScope(const DILocalScope *Scope);
+
private:
- /// getOrCreateLexicalScope - Find lexical scope for the given DebugLoc. If
+ /// getOrCreateLexicalScope - Find lexical scope for the given Scope/IA. If
/// not available then create new lexical scope.
- LexicalScope *getOrCreateLexicalScope(DebugLoc DL);
+ LexicalScope *getOrCreateLexicalScope(const DILocalScope *Scope,
+ const DILocation *IA = nullptr);
+ LexicalScope *getOrCreateLexicalScope(const DILocation *DL) {
+ return DL ? getOrCreateLexicalScope(DL->getScope(), DL->getInlinedAt())
+ : nullptr;
+ }
/// getOrCreateRegularScope - Find or create a regular lexical scope.
- LexicalScope *getOrCreateRegularScope(MDNode *Scope);
+ LexicalScope *getOrCreateRegularScope(const DILocalScope *Scope);
/// getOrCreateInlinedScope - Find or create an inlined lexical scope.
- LexicalScope *getOrCreateInlinedScope(MDNode *Scope, MDNode *InlinedAt);
-
- /// getOrCreateAbstractScope - Find or create an abstract lexical scope.
- LexicalScope *getOrCreateAbstractScope(const MDNode *N);
+ LexicalScope *getOrCreateInlinedScope(const DILocalScope *Scope,
+ const DILocation *InlinedAt);
/// extractLexicalScopes - Extract instruction ranges for each lexical scopes
/// for the given machine function.
private:
const MachineFunction *MF;
- /// LexicalScopeMap - Tracks the scopes in the current function. Owns the
- /// contained LexicalScope*s.
- std::unordered_map<const MDNode *, LexicalScope> LexicalScopeMap;
+ /// LexicalScopeMap - Tracks the scopes in the current function.
+ // Use an unordered_map to ensure value pointer validity over insertion.
+ std::unordered_map<const DILocalScope *, LexicalScope> LexicalScopeMap;
/// InlinedLexicalScopeMap - Tracks inlined function scopes in current
/// function.
- DenseMap<DebugLoc, LexicalScope *> InlinedLexicalScopeMap;
+ std::unordered_map<std::pair<const DILocalScope *, const DILocation *>,
+ LexicalScope,
+ pair_hash<const DILocalScope *, const DILocation *>>
+ InlinedLexicalScopeMap;
/// AbstractScopeMap - These scopes are not included LexicalScopeMap.
- /// AbstractScopes owns its LexicalScope*s.
- std::unordered_map<const MDNode *, LexicalScope> AbstractScopeMap;
+ // Use an unordered_map to ensure value pointer validity over insertion.
+ std::unordered_map<const DILocalScope *, LexicalScope> AbstractScopeMap;
/// AbstractScopesList - Tracks abstract scopes constructed while processing
/// a function.
LexicalScope *CurrentFnLexicalScope;
};
-} // end llvm namespace
+} // namespace llvm
#endif
projects / oota-llvm.git / blobdiff