[llvm-commits] CVS: llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp

[Chris Lattner]

Changes in directory llvm/lib/Target/PowerPC:

PPC32ISelPattern.cpp updated: 1.108 -> 1.109
---
Log message:

Eliminate an extra copy from R1 that Nate noticed on function calls that
have to write arguments to the stack


---
Diffs of the changes:  (+2 -1)

 PPC32ISelPattern.cpp |    3 ++-
 1 files changed, 2 insertions(+), 1 deletion(-)


Index: llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp
diff -u llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp:1.108 llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp:1.109
--- llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp:1.108	Wed Jul 27 23:42:11 2005
+++ llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp	Thu Jul 28 00:23:43 2005
@@ -1293,7 +1293,8 @@
   MVT::ValueType DestType = N.getValueType();
 
   if (Node->getOpcode() == ISD::CopyFromReg &&
-      MRegisterInfo::isVirtualRegister(cast<RegSDNode>(Node)->getReg()))
+      (MRegisterInfo::isVirtualRegister(cast<RegSDNode>(Node)->getReg()) ||
+       cast<RegSDNode>(Node)->getReg() == PPC::R1))
     // Just use the specified register as our input.
     return cast<RegSDNode>(Node)->getReg();