[llvm-commits] [llvm] r40975 - /llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp

[Evan Cheng]

Author: evancheng
Date: Thu Aug  9 18:14:39 2007
New Revision: 40975

URL: http://llvm.org/viewvc/llvm-project?rev=40975&view=rev
Log:
Bug fix. ~1U marks the val# dead.

Modified:
    llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp

Modified: llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp?rev=40975&r1=40974&r2=40975&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp (original)
+++ llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp Thu Aug  9 18:14:39 2007
@@ -645,7 +645,7 @@
           // Otherwise, use the specified value #.
           LHSValNoAssignments[VN] = RHSValID;
           if (VN != (unsigned)RHSValID)
-            ValueNumberInfo[VN].def = RHSValNoInfo.def;
+            ValueNumberInfo[VN]->def = ~1U;  // Now this val# is dead.
           else
             ValueNumberInfo[VN] = RHSValNoInfo;
         }