Implement changes from Chris's feedback.
Finish converting lib/Target.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75043 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/AsmPrinter/X86ATTInstPrinter.cpp b/lib/Target/X86/AsmPrinter/X86ATTInstPrinter.cpp
index 4f7a00a..5b10c7b 100644
--- a/lib/Target/X86/AsmPrinter/X86ATTInstPrinter.cpp
+++ b/lib/Target/X86/AsmPrinter/X86ATTInstPrinter.cpp
@@ -104,7 +104,7 @@
     if (DispVal || (!IndexReg.getReg() && !BaseReg.getReg()))
       O << DispVal;
   } else {
-    llvm_report_error("non-immediate displacement for LEA?");
+    LLVM_UNREACHABLE("non-immediate displacement for LEA?");
     //assert(DispSpec.isGlobal() || DispSpec.isCPI() ||
     //       DispSpec.isJTI() || DispSpec.isSymbol());
     //printOperand(MI, Op+3, "mem");
diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp
index afb1e1d..1dc6e76 100644
--- a/lib/Target/X86/X86CodeEmitter.cpp
+++ b/lib/Target/X86/X86CodeEmitter.cpp
@@ -32,7 +32,6 @@
 #include "llvm/Support/Compiler.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetOptions.h"
 using namespace llvm;
 
@@ -806,10 +805,10 @@
   }
 
   if (!Desc->isVariadic() && CurOp != NumOps) {
-    std::string msg;
-    raw_string_ostream Msg(msg);
-    Msg << "Cannot encode: " << MI;
-    llvm_report_error(Msg.str());
+#ifndef NDEBUG
+    cerr << "Cannot encode: " << MI << "\n";
+#endif
+    llvm_unreachable();
   }
 }
 
diff --git a/lib/Target/X86/X86ISelDAGToDAG.cpp b/lib/Target/X86/X86ISelDAGToDAG.cpp
index 1336177..b8cbbfa 100644
--- a/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -35,8 +35,10 @@
 #include "llvm/Target/TargetOptions.h"
 #include "llvm/Support/Compiler.h"
 #include "llvm/Support/Debug.h"
+#include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/MathExtras.h"
 #include "llvm/Support/Streams.h"
+#include "llvm/Support/raw_ostream.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/Statistic.h"
 using namespace llvm;
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 33789ce..32f247d 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -38,6 +38,7 @@
 #include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Support/CommandLine.h"
+#include "llvm/Support/raw_ostream.h"
 using namespace llvm;
 
 static cl::opt<bool>
@@ -6054,7 +6055,7 @@
   SDValue SrcPtr = Op.getOperand(1);
   SDValue SrcSV = Op.getOperand(2);
 
-  LLVM_UNREACHABLE("VAArgInst is not yet implemented for x86-64!");
+  llvm_report_error("VAArgInst is not yet implemented for x86-64!");
   return SDValue();
 }