class MachineBasicBlock;
class MachineInstr;
class MachineFunction;
+class MDNode;
struct SlotMapping;
class SMDiagnostic;
class SourceMgr;
DenseMap<unsigned, unsigned> JumpTableSlots;
};
-bool parseMachineInstr(MachineInstr *&MI, SourceMgr &SM, MachineFunction &MF,
- StringRef Src, const PerFunctionMIParsingState &PFS,
- const SlotMapping &IRSlots, SMDiagnostic &Error);
+/// Parse the machine basic block definitions, and skip the machine
+/// instructions.
+///
+/// This function runs the first parsing pass on the machine function's body.
+/// It parses only the machine basic block definitions and creates the machine
+/// basic blocks in the given machine function.
+///
+/// The machine instructions aren't parsed during the first pass because all
+/// the machine basic blocks aren't defined yet - this makes it impossible to
+/// resolve the machine basic block references.
+///
+/// Return true if an error occurred.
+bool parseMachineBasicBlockDefinitions(MachineFunction &MF, StringRef Src,
+ PerFunctionMIParsingState &PFS,
+ const SlotMapping &IRSlots,
+ SMDiagnostic &Error);
+
+/// Parse the machine instructions.
+///
+/// This function runs the second parsing pass on the machine function's body.
+/// It skips the machine basic block definitions and parses only the machine
+/// instructions and basic block attributes like liveins and successors.
+///
+/// The second parsing pass assumes that the first parsing pass already ran
+/// on the given source string.
+///
+/// Return true if an error occurred.
+bool parseMachineInstructions(MachineFunction &MF, StringRef Src,
+ const PerFunctionMIParsingState &PFS,
+ const SlotMapping &IRSlots, SMDiagnostic &Error);
bool parseMBBReference(MachineBasicBlock *&MBB, SourceMgr &SM,
MachineFunction &MF, StringRef Src,
const SlotMapping &IRSlots,
SMDiagnostic &Error);
-bool parseIRBlockReference(const BasicBlock *&BB, SourceMgr &SM,
- MachineFunction &MF, StringRef Src,
- const PerFunctionMIParsingState &PFS,
- const SlotMapping &IRSlots, SMDiagnostic &Error);
+bool parseStackObjectReference(int &FI, SourceMgr &SM, MachineFunction &MF,
+ StringRef Src,
+ const PerFunctionMIParsingState &PFS,
+ const SlotMapping &IRSlots, SMDiagnostic &Error);
+
+bool parseMDNode(MDNode *&Node, SourceMgr &SM, MachineFunction &MF,
+ StringRef Src, const PerFunctionMIParsingState &PFS,
+ const SlotMapping &IRSlots, SMDiagnostic &Error);
} // end namespace llvm