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-rw-r--r--include/llvm/CodeGen/MachineCodeEmitter.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/MachineCodeEmitter.h b/include/llvm/CodeGen/MachineCodeEmitter.h
index cddadb2661..f0e5e3f2cb 100644
--- a/include/llvm/CodeGen/MachineCodeEmitter.h
+++ b/include/llvm/CodeGen/MachineCodeEmitter.h
@@ -15,6 +15,7 @@ class MachineBasicBlock;
class Value;
struct MachineCodeEmitter {
+ virtual ~MachineCodeEmitter() {}
/// startFunction - This callback is invoked when the specified function is
/// about to be code generated.
@@ -41,6 +42,13 @@ struct MachineCodeEmitter {
/// and jump instructions typically.
///
virtual void emitPCRelativeDisp(Value *V) {}
+
+
+ /// createDebugMachineCodeEmitter - Return a dynamically allocated machine
+ /// code emitter, which just prints the opcodes and fields out the cout. This
+ /// can be used for debugging users of the MachineCodeEmitter interface.
+ ///
+ static MachineCodeEmitter *createDebugMachineCodeEmitter();
};
#endif