Masked Load / Store Intrinsics - the CodeGen part.

[oota-llvm.git] / include / llvm / CodeGen / MachineInstr.h

diff --git a/include/llvm/CodeGen/MachineInstr.h b/include/llvm/CodeGen/MachineInstr.h
index c44607e6b530e8f1689d30fe20f2a82eb99d0d2e..d20b45b333db0119255f6ee89dc9e790c5503e57 100644 (file)
--- a/include/llvm/CodeGen/MachineInstr.h
+++ b/include/llvm/CodeGen/MachineInstr.h
@@ -244,12 +244,22 @@ public:
   ///
   DebugLoc getDebugLoc() const { return debugLoc; }
 
-  /// getDebugVariable() - Return the debug variable referenced by
+  /// \brief Return the debug variable referenced by
   /// this DBG_VALUE instruction.
   DIVariable getDebugVariable() const {
     assert(isDebugValue() && "not a DBG_VALUE");
-    const MDNode *Var = getOperand(getNumOperands() - 1).getMetadata();
-    return DIVariable(Var);
+    DIVariable Var(getOperand(2).getMetadata());
+    assert(Var.Verify() && "not a DIVariable");
+    return Var;
+  }
+
+  /// \brief Return the complex address expression referenced by
+  /// this DBG_VALUE instruction.
+  DIExpression getDebugExpression() const {
+    assert(isDebugValue() && "not a DBG_VALUE");
+    DIExpression Expr(getOperand(3).getMetadata());
+    assert(Expr.Verify() && "not a DIExpression");
+    return Expr;
   }
 
   /// emitError - Emit an error referring to the source location of this