Added invariant field to the DAG.getLoad method and changed all calls.

When this field is true it means that the load is from constant (runt-time or compile-time) and so can be hoisted from loops or moved around other memory accesses


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144100 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMSelectionDAGInfo.cpp b/lib/Target/ARM/ARMSelectionDAGInfo.cpp
index a3a3d58..36d58de 100644
--- a/lib/Target/ARM/ARMSelectionDAGInfo.cpp
+++ b/lib/Target/ARM/ARMSelectionDAGInfo.cpp
@@ -67,7 +67,7 @@
                              DAG.getNode(ISD::ADD, dl, MVT::i32, Src,
                                          DAG.getConstant(SrcOff, MVT::i32)),
                              SrcPtrInfo.getWithOffset(SrcOff), isVolatile,
-                             false, 0);
+                             false, false, 0);
       TFOps[i] = Loads[i].getValue(1);
       SrcOff += VTSize;
     }
@@ -105,7 +105,8 @@
     Loads[i] = DAG.getLoad(VT, dl, Chain,
                            DAG.getNode(ISD::ADD, dl, MVT::i32, Src,
                                        DAG.getConstant(SrcOff, MVT::i32)),
-                           SrcPtrInfo.getWithOffset(SrcOff), false, false, 0);
+                           SrcPtrInfo.getWithOffset(SrcOff),
+                           false, false, false, 0);
     TFOps[i] = Loads[i].getValue(1);
     ++i;
     SrcOff += VTSize;