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-rw-r--r--include/llvm/Support/CFG.h64
1 files changed, 32 insertions, 32 deletions
diff --git a/include/llvm/Support/CFG.h b/include/llvm/Support/CFG.h
index 231531a7ae..4efefa7253 100644
--- a/include/llvm/Support/CFG.h
+++ b/include/llvm/Support/CFG.h
@@ -1,10 +1,10 @@
//===-- llvm/Support/CFG.h - Process LLVM structures as graphs --*- C++ -*-===//
-//
+//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
+//
//===----------------------------------------------------------------------===//
//
// This file defines specializations of GraphTraits that allow Function and
@@ -34,40 +34,40 @@ class PredIterator : public forward_iterator<_Ptr, ptrdiff_t> {
public:
typedef PredIterator<_Ptr,_USE_iterator> _Self;
typedef typename super::pointer pointer;
-
+
inline void advancePastNonTerminators() {
// Loop to ignore non terminator uses (for example PHI nodes)...
while (It != BB->use_end() && !isa<TerminatorInst>(*It))
++It;
}
-
+
inline PredIterator(_Ptr *bb) : BB(bb), It(bb->use_begin()) {
advancePastNonTerminators();
}
inline PredIterator(_Ptr *bb, bool) : BB(bb), It(bb->use_end()) {}
-
+
inline bool operator==(const _Self& x) const { return It == x.It; }
inline bool operator!=(const _Self& x) const { return !operator==(x); }
-
- inline pointer operator*() const {
+
+ inline pointer operator*() const {
assert(It != BB->use_end() && "pred_iterator out of range!");
- return cast<TerminatorInst>(*It)->getParent();
+ return cast<TerminatorInst>(*It)->getParent();
}
inline pointer *operator->() const { return &(operator*()); }
-
+
inline _Self& operator++() { // Preincrement
assert(It != BB->use_end() && "pred_iterator out of range!");
++It; advancePastNonTerminators();
- return *this;
+ return *this;
}
-
+
inline _Self operator++(int) { // Postincrement
- _Self tmp = *this; ++*this; return tmp;
+ _Self tmp = *this; ++*this; return tmp;
}
};
typedef PredIterator<BasicBlock, Value::use_iterator> pred_iterator;
-typedef PredIterator<const BasicBlock,
+typedef PredIterator<const BasicBlock,
Value::use_const_iterator> pred_const_iterator;
inline pred_iterator pred_begin(BasicBlock *BB) { return pred_iterator(BB); }
@@ -94,7 +94,7 @@ public:
typedef SuccIterator<Term_, BB_> _Self;
typedef typename super::pointer pointer;
// TODO: This can be random access iterator, need operator+ and stuff tho
-
+
inline SuccIterator(Term_ T) : Term(T), idx(0) { // begin iterator
assert(T && "getTerminator returned null!");
}
@@ -112,18 +112,18 @@ public:
/// getSuccessorIndex - This is used to interface between code that wants to
/// operate on terminator instructions directly.
unsigned getSuccessorIndex() const { return idx; }
-
+
inline bool operator==(const _Self& x) const { return idx == x.idx; }
inline bool operator!=(const _Self& x) const { return !operator==(x); }
-
+
inline pointer operator*() const { return Term->getSuccessor(idx); }
inline pointer operator->() const { return operator*(); }
-
+
inline _Self& operator++() { ++idx; return *this; } // Preincrement
inline _Self operator++(int) { // Postincrement
- _Self tmp = *this; ++*this; return tmp;
+ _Self tmp = *this; ++*this; return tmp;
}
-
+
inline _Self& operator--() { --idx; return *this; } // Predecrement
inline _Self operator--(int) { // Postdecrement
_Self tmp = *this; --*this; return tmp;
@@ -153,7 +153,7 @@ inline succ_const_iterator succ_end(const BasicBlock *BB) {
// GraphTraits specializations for basic block graphs (CFGs)
//===--------------------------------------------------------------------===//
-// Provide specializations of GraphTraits to be able to treat a function as a
+// Provide specializations of GraphTraits to be able to treat a function as a
// graph of basic blocks...
template <> struct GraphTraits<BasicBlock*> {
@@ -161,10 +161,10 @@ template <> struct GraphTraits<BasicBlock*> {
typedef succ_iterator ChildIteratorType;
static NodeType *getEntryNode(BasicBlock *BB) { return BB; }
- static inline ChildIteratorType child_begin(NodeType *N) {
+ static inline ChildIteratorType child_begin(NodeType *N) {
return succ_begin(N);
}
- static inline ChildIteratorType child_end(NodeType *N) {
+ static inline ChildIteratorType child_end(NodeType *N) {
return succ_end(N);
}
};
@@ -175,15 +175,15 @@ template <> struct GraphTraits<const BasicBlock*> {
static NodeType *getEntryNode(const BasicBlock *BB) { return BB; }
- static inline ChildIteratorType child_begin(NodeType *N) {
+ static inline ChildIteratorType child_begin(NodeType *N) {
return succ_begin(N);
}
- static inline ChildIteratorType child_end(NodeType *N) {
+ static inline ChildIteratorType child_end(NodeType *N) {
return succ_end(N);
}
};
-// Provide specializations of GraphTraits to be able to treat a function as a
+// Provide specializations of GraphTraits to be able to treat a function as a
// graph of basic blocks... and to walk it in inverse order. Inverse order for
// a function is considered to be when traversing the predecessor edges of a BB
// instead of the successor edges.
@@ -192,10 +192,10 @@ template <> struct GraphTraits<Inverse<BasicBlock*> > {
typedef BasicBlock NodeType;
typedef pred_iterator ChildIteratorType;
static NodeType *getEntryNode(Inverse<BasicBlock *> G) { return G.Graph; }
- static inline ChildIteratorType child_begin(NodeType *N) {
+ static inline ChildIteratorType child_begin(NodeType *N) {
return pred_begin(N);
}
- static inline ChildIteratorType child_end(NodeType *N) {
+ static inline ChildIteratorType child_end(NodeType *N) {
return pred_end(N);
}
};
@@ -204,12 +204,12 @@ template <> struct GraphTraits<Inverse<const BasicBlock*> > {
typedef const BasicBlock NodeType;
typedef pred_const_iterator ChildIteratorType;
static NodeType *getEntryNode(Inverse<const BasicBlock*> G) {
- return G.Graph;
+ return G.Graph;
}
- static inline ChildIteratorType child_begin(NodeType *N) {
+ static inline ChildIteratorType child_begin(NodeType *N) {
return pred_begin(N);
}
- static inline ChildIteratorType child_end(NodeType *N) {
+ static inline ChildIteratorType child_end(NodeType *N) {
return pred_end(N);
}
};
@@ -220,7 +220,7 @@ template <> struct GraphTraits<Inverse<const BasicBlock*> > {
// GraphTraits specializations for function basic block graphs (CFGs)
//===--------------------------------------------------------------------===//
-// Provide specializations of GraphTraits to be able to treat a function as a
+// Provide specializations of GraphTraits to be able to treat a function as a
// graph of basic blocks... these are the same as the basic block iterators,
// except that the root node is implicitly the first node of the function.
//
@@ -243,7 +243,7 @@ template <> struct GraphTraits<const Function*> :
};
-// Provide specializations of GraphTraits to be able to treat a function as a
+// Provide specializations of GraphTraits to be able to treat a function as a
// graph of basic blocks... and to walk it in inverse order. Inverse order for
// a function is considered to be when traversing the predecessor edges of a BB
// instead of the successor edges.