commit c544cb0ecab3a54eec7e385b7b9458e40dc49bfd
author Evan Cheng <evan.cheng@apple.com> Tue Jan 20 19:12:24 2009 +0000
committer Evan Cheng <evan.cheng@apple.com> Tue Jan 20 19:12:24 2009 +0000
tree de996c960e7e54b9d08871e3d9f1cccff77debff
parent 1ce41edd8da47d7c438c18a819ced3237a2f49f7

Change TargetInstrInfo::isMoveInstr to return source and destination sub-register indices as well.

llvm-svn: 62600

llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 547cd8d..ca0cd6e 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -189,9 +189,9 @@
   // don't coalesce. Also, only coalesce away a virtual register to virtual
   // register copy.
   bool Coalesced = false;
-  unsigned SrcReg, DstReg;
+  unsigned SrcReg, DstReg, SrcSubReg, DstSubReg;
   if (NumUses == 1 &&
-      TII.isMoveInstr(*UseMI, SrcReg, DstReg) &&
+      TII.isMoveInstr(*UseMI, SrcReg, DstReg, SrcSubReg, DstSubReg) &&
       TargetRegisterInfo::isVirtualRegister(DstReg)) {
     VirtReg = DstReg;
     Coalesced = true;