Order CALLSEQ_START and CALLSEQ_END nodes.

Fixes PR16146: gdb.base__call-ar-st.exp fails after
pre-RA-sched=source fixes.

Patch by Xiaoyi Guo!

This also fixes an unsupported dbg.value test case. Codegen was
previously incorrect but the test was passing by luck.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182885 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/MSP430/MSP430ISelLowering.cpp

@@ -476,7 +476,8 @@ MSP430TargetLowering::LowerCCCCallTo(SDValue Chain, SDValue Callee,
   unsigned NumBytes = CCInfo.getNextStackOffset();
 
   Chain = DAG.getCALLSEQ_START(Chain ,DAG.getConstant(NumBytes,
-                                                      getPointerTy(), true));
+                                                      getPointerTy(), true),
+                               dl);
 
   SmallVector<std::pair<unsigned, SDValue>, 4> RegsToPass;
   SmallVector<SDValue, 12> MemOpChains;
@@ -583,7 +584,7 @@ MSP430TargetLowering::LowerCCCCallTo(SDValue Chain, SDValue Callee,
   Chain = DAG.getCALLSEQ_END(Chain,
                              DAG.getConstant(NumBytes, getPointerTy(), true),
                              DAG.getConstant(0, getPointerTy(), true),
-                             InFlag);
+                             InFlag, dl);
   InFlag = Chain.getValue(1);
 
   // Handle result values, copying them out of physregs into vregs that we