This PHI has 4 additional operands, not 2.

llvm-svn: 15926
diff --git a/llvm/lib/Target/PowerPC/PPC32ISelSimple.cpp b/llvm/lib/Target/PowerPC/PPC32ISelSimple.cpp
index a2ba040..e5f5728 100644
--- a/llvm/lib/Target/PowerPC/PPC32ISelSimple.cpp
+++ b/llvm/lib/Target/PowerPC/PPC32ISelSimple.cpp
@@ -2836,7 +2836,7 @@
         // PhiMBB:
         //   DestReg = phi [ IntTmp, OldMBB ], [ XorReg, XorMBB ]
         BB = PhiMBB;
-        BuildMI(BB, PPC::PHI, 2, DestReg).addReg(IntTmp).addMBB(OldMBB)
+        BuildMI(BB, PPC::PHI, 4, DestReg).addReg(IntTmp).addMBB(OldMBB)
           .addReg(XorReg).addMBB(XorMBB);
       }
     }