Switch assert(0/false) llvm_unreachable.

llvm-svn: 140367

4 files changed, 4 insertions, 4 deletions

diff --git a/clang/lib/Lex/LiteralSupport.cpp b/clang/lib/Lex/LiteralSupport.cpp
index 986a08a3ce7..4496834defd 100644
--- a/clang/lib/Lex/LiteralSupport.cpp
+++ b/clang/lib/Lex/LiteralSupport.cpp
@@ -30,7 +30,7 @@ static int HexDigitValue(char C) {
 
 static unsigned getCharWidth(tok::TokenKind kind, const TargetInfo &Target) {
   switch (kind) {
-  default: assert(0 && "Unknown token type!");
+  default: llvm_unreachable("Unknown token type!");
   case tok::char_constant:
   case tok::string_literal:
   case tok::utf8_string_literal:
diff --git a/clang/lib/Lex/PPExpressions.cpp b/clang/lib/Lex/PPExpressions.cpp
index 2f810973b1a..120b2ca034f 100644
--- a/clang/lib/Lex/PPExpressions.cpp
+++ b/clang/lib/Lex/PPExpressions.cpp
@@ -535,7 +535,7 @@ static bool EvaluateDirectiveSubExpr(PPValue &LHS, unsigned MinPrec,
 
     bool Overflow = false;
     switch (Operator) {
-    default: assert(0 && "Unknown operator token!");
+    default: llvm_unreachable("Unknown operator token!");
     case tok::percent:
       if (RHS.Val != 0)
         Res = LHS.Val % RHS.Val;
diff --git a/clang/lib/Lex/PPMacroExpansion.cpp b/clang/lib/Lex/PPMacroExpansion.cpp
index 9a16d584ab0..ce4c1ed7dfc 100644
--- a/clang/lib/Lex/PPMacroExpansion.cpp
+++ b/clang/lib/Lex/PPMacroExpansion.cpp
@@ -1015,7 +1015,7 @@ void Preprocessor::ExpandBuiltinMacro(Token &Tok) {
     OS << (int)Value;
     Tok.setKind(tok::numeric_constant);
   } else {
-    assert(0 && "Unknown identifier!");
+    llvm_unreachable("Unknown identifier!");
   }
   CreateString(OS.str().data(), OS.str().size(), Tok, Tok.getLocation());
 }
diff --git a/clang/lib/Lex/Pragma.cpp b/clang/lib/Lex/Pragma.cpp
index 5a2f5cbaded..d855baf9e29 100644
--- a/clang/lib/Lex/Pragma.cpp
+++ b/clang/lib/Lex/Pragma.cpp
@@ -804,7 +804,7 @@ struct PragmaDebugHandler : public PragmaHandler {
     IdentifierInfo *II = Tok.getIdentifierInfo();
 
     if (II->isStr("assert")) {
-      assert(0 && "This is an assertion!");
+      llvm_unreachable("This is an assertion!");
     } else if (II->isStr("crash")) {
       *(volatile int*) 0x11 = 0;
     } else if (II->isStr("llvm_fatal_error")) {