From 6cd093b56e80ed54a2062e789937a096ba3afe56 Mon Sep 17 00:00:00 2001
From: Gabor Greif <ggreif@gmail.com>
Date: Wed, 11 Feb 2009 22:09:00 +0000
Subject: Fill in a glaring omission in derived User classes, namely add
 efficient versions of op_begin and op_end. Up to now always those from User
 have been called, which in most cases follow an indirection (OperandList)
 even if the exact Instruction type is known.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64331 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/OperandTraits.h | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'include/llvm/OperandTraits.h')

diff --git a/include/llvm/OperandTraits.h b/include/llvm/OperandTraits.h
index 4c1c0382c8..a4b634c762 100644
--- a/include/llvm/OperandTraits.h
+++ b/include/llvm/OperandTraits.h
@@ -119,6 +119,10 @@ struct HungoffOperandTraits {
   public: \
   inline VALUECLASS *getOperand(unsigned) const; \
   inline void setOperand(unsigned, VALUECLASS*); \
+  inline op_iterator op_begin(); \
+  inline const_op_iterator op_begin() const; \
+  inline op_iterator op_end(); \
+  inline const_op_iterator op_end() const; \
   protected: \
   template <unsigned> inline Use &Op(); \
   template <unsigned> inline const Use &Op() const; \
@@ -127,6 +131,18 @@ struct HungoffOperandTraits {
 
 /// Macro for generating out-of-class operand accessor definitions
 #define DEFINE_TRANSPARENT_OPERAND_ACCESSORS(CLASS, VALUECLASS) \
+CLASS::op_iterator CLASS::op_begin() { \
+  return OperandTraits<CLASS>::op_begin(this); \
+} \
+CLASS::const_op_iterator CLASS::op_begin() const { \
+  return OperandTraits<CLASS>::op_begin(const_cast<CLASS*>(this)); \
+} \
+CLASS::op_iterator CLASS::op_end() { \
+  return OperandTraits<CLASS>::op_end(this); \
+} \
+CLASS::const_op_iterator CLASS::op_end() const { \
+  return OperandTraits<CLASS>::op_end(const_cast<CLASS*>(this)); \
+} \
 VALUECLASS *CLASS::getOperand(unsigned i_nocapture) const { \
   assert(i_nocapture < OperandTraits<CLASS>::operands(this) \
          && "getOperand() out of range!"); \
@@ -153,6 +169,18 @@ template <unsigned Idx_nocapture> const Use &CLASS::Op() const { \
 /// Macro for generating out-of-class operand accessor
 /// definitions with casted result
 #define DEFINE_TRANSPARENT_CASTED_OPERAND_ACCESSORS(CLASS, VALUECLASS) \
+CLASS::op_iterator CLASS::op_begin() { \
+  return OperandTraits<CLASS>::op_begin(this); \
+} \
+CLASS::const_op_iterator CLASS::op_begin() const { \
+  return OperandTraits<CLASS>::op_begin(const_cast<CLASS*>(this)); \
+} \
+CLASS::op_iterator CLASS::op_end() { \
+  return OperandTraits<CLASS>::op_end(this); \
+} \
+CLASS::const_op_iterator CLASS::op_end() const { \
+  return OperandTraits<CLASS>::op_end(const_cast<CLASS*>(this)); \
+} \
 VALUECLASS *CLASS::getOperand(unsigned i_nocapture) const { \
   assert(i_nocapture < OperandTraits<CLASS>::operands(this) \
          && "getOperand() out of range!"); \
-- 
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