From 38a7d7cbc308c6a3f77eac646155ebfa869467ef Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Tue, 29 Jun 2010 14:02:34 +0000
Subject: Add a VT argument to getMinimalPhysRegClass and replace the copy
 related uses of getPhysicalRegisterRegClass with it.

If we want to make a copy (or estimate its cost), it is better to use the
smallest class as more efficient operations might be possible.

llvm-svn: 107140
---
 llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp')

diff --git a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
index aa6ce05992c..ebc76e9b363 100644
--- a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
@@ -101,7 +101,7 @@ static void CheckForPhysRegDependency(SDNode *Def, SDNode *User, unsigned Op,
         II.ImplicitDefs[ResNo - II.getNumDefs()] == Reg) {
       PhysReg = Reg;
       const TargetRegisterClass *RC =
-        TRI->getPhysicalRegisterRegClass(Reg, Def->getValueType(ResNo));
+        TRI->getMinimalPhysRegClass(Reg, Def->getValueType(ResNo));
       Cost = RC->getCopyCost();
     }
   }
-- 
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