Changes in directory llvm/include/llvm/Analysis:
Dominators.h updated: 1.93 -> 1.94
---
Log message:
Add BasicBlock level dominates(A,B) interface.
---
Diffs of the changes: (+14 -2)
Dominators.h | 16 ++++++++++++++--
1 files changed, 14 insertions(+), 2 deletions(-)
Index: llvm/include/llvm/Analysis/Dominators.h
diff -u llvm/include/llvm/Analysis/Dominators.h:1.93
llvm/include/llvm/Analysis/Dominators.h:1.94
--- llvm/include/llvm/Analysis/Dominators.h:1.93 Thu Jun 7 12:47:21 2007
+++ llvm/include/llvm/Analysis/Dominators.h Thu Jun 7 13:39:40 2007
@@ -170,11 +170,16 @@
}
void updateDFSNumbers();
+
/// dominates - Returns true iff this dominates N. Note that this is not a
/// constant time operation!
///
inline bool dominates(const DomTreeNode *A, DomTreeNode *B) {
- if (B == A) return true; // A node trivially dominates itself.
+ if (B == A)
+ return true; // A node trivially dominates itself.
+
+ if (A == 0 || B == 0)
+ return false;
ETNode *NodeA = A->getETNode();
ETNode *NodeB = B->getETNode();
@@ -192,7 +197,14 @@
//return NodeB->DominatedBySlow(NodeA);
return dominatedBySlowTreeWalk(A, B);
}
-
+
+ inline bool dominates(BasicBlock *A, BasicBlock *B) {
+ if (A == B)
+ return true;
+
+ return dominates(getNode(A), getNode(B));
+ }
+
//===--------------------------------------------------------------------===//
// API to update (Post)DominatorTree information based on modifications to
// the CFG...
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