commit ca318edb94524b809d390e9880800a8c4f556354
author Chris Lattner <sabre@nondot.org> Mon Jan 17 22:56:09 2005 +0000
committer Chris Lattner <sabre@nondot.org> Mon Jan 17 22:56:09 2005 +0000
tree a385524e3e1c2c25be2efb597674e139d02987f4
parent 4d9651c76056989afffc8d6b6501211e1bfbb556

Do not give token factor nodes outrageous weights

llvm-svn: 19645

llvm/lib/Target/X86/X86ISelPattern.cpp

diff --git a/llvm/lib/Target/X86/X86ISelPattern.cpp b/llvm/lib/Target/X86/X86ISelPattern.cpp
index b7c9cfe..a75854e 100644
--- a/llvm/lib/Target/X86/X86ISelPattern.cpp
+++ b/llvm/lib/Target/X86/X86ISelPattern.cpp
@@ -453,8 +453,11 @@
         ++NumExtraMaxRegUsers;
       }
     }
-  
-    Result = MaxRegUse+NumExtraMaxRegUsers;
+
+    if (O.getOpcode() != ISD::TokenFactor)
+      Result = MaxRegUse+NumExtraMaxRegUsers;
+    else
+      Result = std::max(MaxRegUse-1, 1);
   }
 
   //std::cerr << " WEIGHT: " << Result << " ";  N->dump(); std::cerr << "\n";