[llvm-commits] [llvm] r117329 - /llvm/trunk/lib/CodeGen/ScheduleDAGInstrs.cpp

[Evan Cheng]

Author: evancheng
Date: Mon Oct 25 18:56:21 2010
New Revision: 117329

URL: http://llvm.org/viewvc/llvm-project?rev=117329&view=rev
Log:
Neuter r117193 as it causes significant post-ra scheduler compile time regression.

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

Modified: llvm/trunk/lib/CodeGen/ScheduleDAGInstrs.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/ScheduleDAGInstrs.cpp?rev=117329&r1=117328&r2=117329&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/ScheduleDAGInstrs.cpp (original)
+++ llvm/trunk/lib/CodeGen/ScheduleDAGInstrs.cpp Mon Oct 25 18:56:21 2010
@@ -169,8 +169,8 @@
   } else {
     // For others, e.g. fallthrough, conditional branch, assume the exit
     // uses all the registers.
-    for (int i = 0, e = TRI->getNumRegs(); i != e; ++i)
-      Uses[i].push_back(&ExitSU);
+    // FIXME: This causes too much compile time regression. We need to compute
+    // liveout instead.
   }
 }