[WinEH] Create an llvm.x86.seh.exceptioninfo intrinsic

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

diff --git a/include/llvm/CodeGen/MachineInstr.h b/include/llvm/CodeGen/MachineInstr.h
index d04ea567bbc79b124cae18a6ab5eeab07bf91c19..edda03fe368527575441408cee133e203b76957c 100644 (file)
--- a/include/llvm/CodeGen/MachineInstr.h
+++ b/include/llvm/CodeGen/MachineInstr.h
@@ -331,6 +331,11 @@ public:
         operands_begin() + getDesc().getNumDefs(), operands_end());
   }
 
+  /// Returns the number of the operand iterator \p I points to.
+  unsigned getOperandNo(const_mop_iterator I) const {
+    return I - operands_begin();
+  }
+
   /// Access to memory operands of the instruction
   mmo_iterator memoperands_begin() const { return MemRefs; }
   mmo_iterator memoperands_end() const { return MemRefs + NumMemRefs; }
@@ -931,7 +936,7 @@ public:
   /// For normal instructions, this is derived from the MCInstrDesc.
   /// For inline assembly it is derived from the flag words.
   ///
-  /// Returns NULL if the static register classs constraint cannot be
+  /// Returns NULL if the static register class constraint cannot be
   /// determined.
   ///
   const TargetRegisterClass*
@@ -943,10 +948,10 @@ public:
   /// the given \p CurRC.
   /// If \p ExploreBundle is set and MI is part of a bundle, all the
   /// instructions inside the bundle will be taken into account. In other words,
-  /// this method accumulates all the constrains of the operand of this MI and
+  /// this method accumulates all the constraints of the operand of this MI and
   /// the related bundle if MI is a bundle or inside a bundle.
   ///
-  /// Returns the register class that statisfies both \p CurRC and the
+  /// Returns the register class that satisfies both \p CurRC and the
   /// constraints set by MI. Returns NULL if such a register class does not
   /// exist.
   ///
@@ -959,7 +964,7 @@ public:
   /// \brief Applies the constraints (def/use) implied by the \p OpIdx operand
   /// to the given \p CurRC.
   ///
-  /// Returns the register class that statisfies both \p CurRC and the
+  /// Returns the register class that satisfies both \p CurRC and the
   /// constraints set by \p OpIdx MI. Returns NULL if such a register class
   /// does not exist.
   ///