Convert more abort() calls to llvm_report_error().
Also remove trailing semicolon.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75027 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/IA64/IA64ISelLowering.cpp b/lib/Target/IA64/IA64ISelLowering.cpp
index c622345..3ef3dce 100644
--- a/lib/Target/IA64/IA64ISelLowering.cpp
+++ b/lib/Target/IA64/IA64ISelLowering.cpp
@@ -19,6 +19,7 @@
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/SelectionDAG.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
+#include "llvm/Support/ErrorHandling.h"
 #include "llvm/Constants.h"
 #include "llvm/Function.h"
 using namespace llvm;
@@ -579,8 +580,7 @@
     
     switch(Op.getNumOperands()) {
      default:
-      assert(0 && "Do not know how to return this many arguments!");
-      abort();
+      LLVM_UNREACHABLE("Do not know how to return this many arguments!");
     case 1: 
       AR_PFSVal = DAG.getCopyFromReg(Op.getOperand(0), dl, VirtGPR, MVT::i64);
       AR_PFSVal = DAG.getCopyToReg(AR_PFSVal.getValue(1), dl, IA64::AR_PFS,