r211143 - Replace some assert(0)'s with llvm_unreachable.

[Craig Topper]

Author: ctopper
Date: Wed Jun 18 00:13:13 2014
New Revision: 211143

URL: http://llvm.org/viewvc/llvm-project?rev=211143&view=rev
Log:
Replace some assert(0)'s with llvm_unreachable.

Modified:
    cfe/trunk/lib/AST/ASTDiagnostic.cpp
    cfe/trunk/lib/Sema/Sema.cpp
    cfe/trunk/utils/TableGen/ClangAttrEmitter.cpp

Modified: cfe/trunk/lib/AST/ASTDiagnostic.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/ASTDiagnostic.cpp?rev=211143&r1=211142&r2=211143&view=diff
==============================================================================
--- cfe/trunk/lib/AST/ASTDiagnostic.cpp (original)
+++ cfe/trunk/lib/AST/ASTDiagnostic.cpp Wed Jun 18 00:13:13 2014
@@ -1132,7 +1132,7 @@ class TemplateDiff {
           ArgExpr = Iter.getDesugar().getAsExpr();
           return ArgExpr->EvaluateKnownConstInt(Context);
         default:
-          assert(0 && "Unexpected template argument kind");
+          llvm_unreachable("Unexpected template argument kind");
       }
     return ArgExpr->EvaluateKnownConstInt(Context);
   }
@@ -1150,7 +1150,7 @@ class TemplateDiff {
           ArgExpr = Iter.getDesugar().getAsExpr();
           return cast<DeclRefExpr>(ArgExpr)->getDecl();
         default:
-          assert(0 && "Unexpected template argument kind");
+          llvm_unreachable("Unexpected template argument kind");
       }
     DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(ArgExpr);
     if (!DRE) {

Modified: cfe/trunk/lib/Sema/Sema.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/Sema.cpp?rev=211143&r1=211142&r2=211143&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/Sema.cpp (original)
+++ cfe/trunk/lib/Sema/Sema.cpp Wed Jun 18 00:13:13 2014
@@ -313,7 +313,8 @@ ExprResult Sema::ImpCastExprToType(Expr
   if (VK == VK_RValue && !E->isRValue()) {
     switch (Kind) {
     default:
-      assert(0 && "can't implicitly cast lvalue to rvalue with this cast kind");
+      llvm_unreachable("can't implicitly cast lvalue to rvalue with this cast "
+                       "kind");
     case CK_LValueToRValue:
     case CK_ArrayToPointerDecay:
     case CK_FunctionToPointerDecay:

Modified: cfe/trunk/utils/TableGen/ClangAttrEmitter.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/utils/TableGen/ClangAttrEmitter.cpp?rev=211143&r1=211142&r2=211143&view=diff
==============================================================================
--- cfe/trunk/utils/TableGen/ClangAttrEmitter.cpp (original)
+++ cfe/trunk/utils/TableGen/ClangAttrEmitter.cpp Wed Jun 18 00:13:13 2014
@@ -1671,8 +1671,7 @@ void EmitClangAttrPCHRead(RecordKeeper &
 
   OS << "  switch (Kind) {\n";
   OS << "  default:\n";
-  OS << "    assert(0 && \"Unknown attribute!\");\n";
-  OS << "    break;\n";
+  OS << "    llvm_unreachable(\"Unknown attribute!\");\n";
   for (const auto *Attr : Attrs) {
     const Record &R = *Attr;
     if (!R.getValueAsBit("ASTNode"))