[FunctionAttrs] Move the malloc-like test to a static helper function

[oota-llvm.git] / lib / CodeGen / MIRParser / MIParser.h

diff --git a/lib/CodeGen/MIRParser/MIParser.h b/lib/CodeGen/MIRParser/MIParser.h
index bae5c2017a25daba1f21859162b5b9d3066f3fbc..8aef704ab36cabf0181bbc3cb592ffabf9302c7c 100644 (file)
--- a/lib/CodeGen/MIRParser/MIParser.h
+++ b/lib/CodeGen/MIRParser/MIParser.h
@@ -19,18 +19,81 @@
 
 namespace llvm {
 
+class BasicBlock;
 class MachineBasicBlock;
 class MachineInstr;
 class MachineFunction;
+class MDNode;
 struct SlotMapping;
 class SMDiagnostic;
 class SourceMgr;
 
-bool parseMachineInstr(MachineInstr *&MI, SourceMgr &SM, MachineFunction &MF,
-                       StringRef Src,
-                       const DenseMap<unsigned, MachineBasicBlock *> &MBBSlots,
+struct PerFunctionMIParsingState {
+  DenseMap<unsigned, MachineBasicBlock *> MBBSlots;
+  DenseMap<unsigned, unsigned> VirtualRegisterSlots;
+  DenseMap<unsigned, int> FixedStackObjectSlots;
+  DenseMap<unsigned, int> StackObjectSlots;
+  DenseMap<unsigned, unsigned> ConstantPoolSlots;
+  DenseMap<unsigned, unsigned> JumpTableSlots;
+};
+
+/// 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 PerFunctionMIParsingState &PFS,
                        const SlotMapping &IRSlots, SMDiagnostic &Error);
 
+bool parseNamedRegisterReference(unsigned &Reg, SourceMgr &SM,
+                                 MachineFunction &MF, StringRef Src,
+                                 const PerFunctionMIParsingState &PFS,
+                                 const SlotMapping &IRSlots,
+                                 SMDiagnostic &Error);
+
+bool parseVirtualRegisterReference(unsigned &Reg, 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
 
 #endif