Index: llvm/trunk/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
===================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
+++ llvm/trunk/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
@@ -5169,8 +5169,7 @@
 }
 
 void PPCDAGToDAGISel::PreprocessISelDAG() {
-  SelectionDAG::allnodes_iterator Position(CurDAG->getRoot().getNode());
-  ++Position;
+  SelectionDAG::allnodes_iterator Position = CurDAG->allnodes_end();
 
   bool MadeChange = false;
   while (Position != CurDAG->allnodes_begin()) {
@@ -5858,8 +5857,7 @@
   // unnecessary. When that happens, we remove it here, and redefine the
   // relevant 32-bit operation to be a 64-bit operation.
 
-  SelectionDAG::allnodes_iterator Position(CurDAG->getRoot().getNode());
-  ++Position;
+  SelectionDAG::allnodes_iterator Position = CurDAG->allnodes_end();
 
   bool MadeChange = false;
   while (Position != CurDAG->allnodes_begin()) {
@@ -6016,8 +6014,7 @@
   if (PPCSubTarget->isDarwin() || !PPCSubTarget->isPPC64())
     return;
 
-  SelectionDAG::allnodes_iterator Position(CurDAG->getRoot().getNode());
-  ++Position;
+  SelectionDAG::allnodes_iterator Position = CurDAG->allnodes_end();
 
   while (Position != CurDAG->allnodes_begin()) {
     SDNode *N = &*--Position;
Index: llvm/trunk/test/CodeGen/PowerPC/ppcf128-endian.ll
===================================================================
--- llvm/trunk/test/CodeGen/PowerPC/ppcf128-endian.ll
+++ llvm/trunk/test/CodeGen/PowerPC/ppcf128-endian.ll
@@ -43,10 +43,10 @@
 ; CHECK: .LCPI[[LC]]_1:
 ; CHECK: .long   0
 ; CHECK: @caller_const
-; CHECK: addi [[REG0:[0-9]+]], {{[0-9]+}}, .LCPI[[LC]]_0
-; CHECK: addi [[REG1:[0-9]+]], {{[0-9]+}}, .LCPI[[LC]]_1
-; CHECK: lfs 1, 0([[REG0]])
-; CHECK: lfs 2, 0([[REG1]])
+; CHECK: addis [[REG0:[0-9]+]], 2, .LCPI[[LC]]_0@toc@ha
+; CHECK: addis [[REG1:[0-9]+]], 2, .LCPI[[LC]]_1@toc@ha
+; CHECK: lfs 1, .LCPI[[LC]]_0@toc@l([[REG0]])
+; CHECK: lfs 2, .LCPI[[LC]]_1@toc@l([[REG1]])
 ; CHECK: bl test
 
 define ppc_fp128 @result() {