aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--include/llvm/Analysis/DSGraph.h12
-rw-r--r--include/llvm/Analysis/DataStructure/DSGraph.h12
2 files changed, 24 insertions, 0 deletions
diff --git a/include/llvm/Analysis/DSGraph.h b/include/llvm/Analysis/DSGraph.h
index af2105576e..d2e1806327 100644
--- a/include/llvm/Analysis/DSGraph.h
+++ b/include/llvm/Analysis/DSGraph.h
@@ -209,6 +209,18 @@ public:
///
void mergeWith(const DSNodeHandle &NH, unsigned Offset);
+ /// mergeIndexes - If we discover that two indexes are equivalent and must be
+ /// merged, this function is used to do the dirty work.
+ ///
+ void mergeIndexes(unsigned idx1, unsigned idx2) {
+ assert(idx1 < getSize() && idx2 < getSize() && "Indexes out of range!");
+ signed char MV1 = MergeMap[idx1];
+ signed char MV2 = MergeMap[idx2];
+ if (MV1 != MV2)
+ mergeMappedValues(MV1, MV2);
+ }
+
+
/// addGlobal - Add an entry for a global value to the Globals list. This
/// also marks the node with the 'G' flag if it does not already have it.
///
diff --git a/include/llvm/Analysis/DataStructure/DSGraph.h b/include/llvm/Analysis/DataStructure/DSGraph.h
index af2105576e..d2e1806327 100644
--- a/include/llvm/Analysis/DataStructure/DSGraph.h
+++ b/include/llvm/Analysis/DataStructure/DSGraph.h
@@ -209,6 +209,18 @@ public:
///
void mergeWith(const DSNodeHandle &NH, unsigned Offset);
+ /// mergeIndexes - If we discover that two indexes are equivalent and must be
+ /// merged, this function is used to do the dirty work.
+ ///
+ void mergeIndexes(unsigned idx1, unsigned idx2) {
+ assert(idx1 < getSize() && idx2 < getSize() && "Indexes out of range!");
+ signed char MV1 = MergeMap[idx1];
+ signed char MV2 = MergeMap[idx2];
+ if (MV1 != MV2)
+ mergeMappedValues(MV1, MV2);
+ }
+
+
/// addGlobal - Add an entry for a global value to the Globals list. This
/// also marks the node with the 'G' flag if it does not already have it.
///