[llvm-commits] CVS: llvm/lib/Analysis/DataStructure/DataStructure.cpp

[Chris Lattner]

Changes in directory llvm/lib/Analysis/DataStructure:

DataStructure.cpp updated: 1.219 -> 1.220
---
Log message:

move this out of line


---
Diffs of the changes:  (+28 -0)

 DataStructure.cpp |   28 ++++++++++++++++++++++++++++
 1 files changed, 28 insertions(+)


Index: llvm/lib/Analysis/DataStructure/DataStructure.cpp
diff -u llvm/lib/Analysis/DataStructure/DataStructure.cpp:1.219 llvm/lib/Analysis/DataStructure/DataStructure.cpp:1.220
--- llvm/lib/Analysis/DataStructure/DataStructure.cpp:1.219	Mon Mar 21 16:49:53 2005
+++ llvm/lib/Analysis/DataStructure/DataStructure.cpp	Mon Mar 21 18:09:45 2005
@@ -76,6 +76,34 @@
 }
 
 //===----------------------------------------------------------------------===//
+// DSScalarMap Implementation
+//===----------------------------------------------------------------------===//
+
+DSNodeHandle &DSScalarMap::AddGlobal(GlobalValue *GV) {
+  assert(ValueMap.count(GV) == 0 && "GV already exists!");
+
+  // If the node doesn't exist, check to see if it's a global that is
+  // equated to another global in the program.
+  EquivalenceClasses<GlobalValue*>::iterator ECI = GlobalECs.findValue(GV);
+  if (ECI != GlobalECs.end()) {
+    GlobalValue *Leader = *GlobalECs.findLeader(ECI);
+    if (Leader != GV) {
+      GV = Leader;
+      iterator I = ValueMap.find(GV);
+      if (I != ValueMap.end())
+        return I->second;
+    }
+  }
+  
+  // Okay, this is either not an equivalenced global or it is the leader, it
+  // will be inserted into the scalar map now.
+  GlobalSet.insert(GV);
+
+  return ValueMap.insert(std::make_pair(GV, DSNodeHandle())).first->second;
+}
+
+
+//===----------------------------------------------------------------------===//
 // DSNode Implementation
 //===----------------------------------------------------------------------===//