[llvm-commits] [llvm] r53599 - /llvm/trunk/lib/Transforms/IPO/DeadArgumentElimination.cpp

[Matthijs Kooijman]

Author: matthijs
Date: Tue Jul 15 03:56:49 2008
New Revision: 53599

URL: http://llvm.org/viewvc/llvm-project?rev=53599&view=rev
Log:
Pass around const RetOrArg references instead of copying values. Also, mark
RetOrArg::getDescription() as const.

Modified:
    llvm/trunk/lib/Transforms/IPO/DeadArgumentElimination.cpp

Modified: llvm/trunk/lib/Transforms/IPO/DeadArgumentElimination.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/DeadArgumentElimination.cpp?rev=53599&r1=53598&r2=53599&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/IPO/DeadArgumentElimination.cpp (original)
+++ llvm/trunk/lib/Transforms/IPO/DeadArgumentElimination.cpp Tue Jul 15 03:56:49 2008
@@ -70,7 +70,7 @@
         return F == O.F && Idx == O.Idx && IsArg == O.IsArg;
       }
 
-      std::string getDescription() {
+      std::string getDescription() const {
         return std::string((IsArg ? "Argument #" : "Return value #")) 
                + utostr(Idx) + " of function " + F->getName();
       }
@@ -132,7 +132,7 @@
     void SurveyFunction(Function &F);
     void MarkValue(const RetOrArg &RA, Liveness L,
                    const UseVector &MaybeLiveUses);
-    void MarkLive(RetOrArg RA);
+    void MarkLive(const RetOrArg &RA);
     void MarkLive(const Function &F);
     bool RemoveDeadStuffFromFunction(Function *F);
     bool DeleteDeadVarargs(Function &Fn);
@@ -540,7 +540,7 @@
 /// MarkLive - Mark the given return value or argument as live. Additionally,
 /// mark any values that are used by this value (according to Uses) live as
 /// well.
-void DAE::MarkLive(RetOrArg RA) {
+void DAE::MarkLive(const RetOrArg &RA) {
   if (!LiveValues.insert(RA).second)
     return; // We were already marked Live.