Remove more non-DebugLoc getNode variants.  Use
getCALLSEQ_{END,START} to permit passing no DebugLoc
there.  UNDEF doesn't logically have DebugLoc; add
getUNDEF to encapsulate this.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63978 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Sparc/SparcISelLowering.cpp b/lib/Target/Sparc/SparcISelLowering.cpp
index e134e42..29d485a 100644
--- a/lib/Target/Sparc/SparcISelLowering.cpp
+++ b/lib/Target/Sparc/SparcISelLowering.cpp
@@ -105,7 +105,7 @@
     case MVT::i32:
       if (I->use_empty()) {                // Argument is dead.
         if (CurArgReg < ArgRegEnd) ++CurArgReg;
-        ArgValues.push_back(DAG.getNode(ISD::UNDEF, dl, ObjectVT));
+        ArgValues.push_back(DAG.getUNDEF(ObjectVT));
       } else if (CurArgReg < ArgRegEnd) {  // Lives in an incoming GPR
         unsigned VReg = RegInfo.createVirtualRegister(&SP::IntRegsRegClass);
         MF.getRegInfo().addLiveIn(*CurArgReg++, VReg);
@@ -142,7 +142,7 @@
     case MVT::f32:
       if (I->use_empty()) {                // Argument is dead.
         if (CurArgReg < ArgRegEnd) ++CurArgReg;
-        ArgValues.push_back(DAG.getNode(ISD::UNDEF, dl, ObjectVT));
+        ArgValues.push_back(DAG.getUNDEF(ObjectVT));
       } else if (CurArgReg < ArgRegEnd) {  // Lives in an incoming GPR
         // FP value is passed in an integer register.
         unsigned VReg = RegInfo.createVirtualRegister(&SP::IntRegsRegClass);
@@ -165,7 +165,7 @@
       if (I->use_empty()) {                // Argument is dead.
         if (CurArgReg < ArgRegEnd) ++CurArgReg;
         if (CurArgReg < ArgRegEnd) ++CurArgReg;
-        ArgValues.push_back(DAG.getNode(ISD::UNDEF, dl, ObjectVT));
+        ArgValues.push_back(DAG.getUNDEF(ObjectVT));
       } else {
         SDValue HiVal;
         if (CurArgReg < ArgRegEnd) {  // Lives in an incoming GPR