[llvm] r175639 - Add a default constructor for LiveRange.

[Jakob Stoklund Olesen]

Author: stoklund
Date: Wed Feb 20 11:46:51 2013
New Revision: 175639

URL: http://llvm.org/viewvc/llvm-project?rev=175639&view=rev
Log:
Add a default constructor for LiveRange.

It is useful to be able to create temporary LiveRange object whose
members are filled in later.

Modified:
    llvm/trunk/include/llvm/CodeGen/LiveInterval.h

Modified: llvm/trunk/include/llvm/CodeGen/LiveInterval.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/LiveInterval.h?rev=175639&r1=175638&r2=175639&view=diff
==============================================================================
--- llvm/trunk/include/llvm/CodeGen/LiveInterval.h (original)
+++ llvm/trunk/include/llvm/CodeGen/LiveInterval.h Wed Feb 20 11:46:51 2013
@@ -86,9 +86,10 @@ namespace llvm {
     SlotIndex end;    // End point of the interval (exclusive)
     VNInfo *valno;   // identifier for the value contained in this interval.
 
+    LiveRange() : valno(0) {}
+
     LiveRange(SlotIndex S, SlotIndex E, VNInfo *V)
       : start(S), end(E), valno(V) {
-
       assert(S < E && "Cannot create empty or backwards range");
     }