[llvm-commits] [llvm] r107957 - /llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp

[Jakob Stoklund Olesen]

Author: stoklund
Date: Fri Jul  9 00:56:21 2010
New Revision: 107957

URL: http://llvm.org/viewvc/llvm-project?rev=107957&view=rev
Log:
Avoid creating %physreg:subidx operands in SimpleRegisterCoalescing::RemoveCopyByCommutingDef.

This fixes PR7602.

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

Modified: llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp?rev=107957&r1=107956&r2=107957&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp (original)
+++ llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp Fri Jul  9 00:56:21 2010
@@ -460,7 +460,10 @@
     LiveInterval::iterator ULR = IntA.FindLiveRangeContaining(UseIdx);
     if (ULR == IntA.end() || ULR->valno != AValNo)
       continue;
-    UseMO.setReg(NewReg);
+    if (TargetRegisterInfo::isPhysicalRegister(NewReg))
+      UseMO.substPhysReg(NewReg, *tri_);
+    else
+      UseMO.setReg(NewReg);
     if (UseMI == CopyMI)
       continue;
     if (UseMO.isKill()) {