commit e4d798f07897a6378d0f2588e4c2335ec85ca935
author David Blaikie <dblaikie@gmail.com> Fri Jan 20 21:50:17 2012 +0000
committer David Blaikie <dblaikie@gmail.com> Fri Jan 20 21:50:17 2012 +0000
tree 6f31c0fc2740ae77aa711c1f9da94a19d825af98
parent f2a2f5f2bfe9da1a3e0a25934d833956b04bb8a5

More dead code removal (using -Wunreachable-code)

llvm-svn: 148577

clang/lib/AST/ExprConstant.cpp

diff --git a/clang/lib/AST/ExprConstant.cpp b/clang/lib/AST/ExprConstant.cpp
index 5d61406..bdedb16 100644
--- a/clang/lib/AST/ExprConstant.cpp
+++ b/clang/lib/AST/ExprConstant.cpp
@@ -3756,7 +3756,6 @@
     return union_type_class;
   else  // FIXME: offset_type_class, method_type_class, & lang_type_class?
     llvm_unreachable("CallExpr::isBuiltinClassifyType(): unimplemented type");
-  return -1;
 }
 
 /// EvaluateBuiltinConstantPForLValue - Determine the result of
@@ -4385,7 +4384,6 @@
   }
 
   llvm_unreachable("unknown expr/type trait");
-  return Error(E);
 }
 
 bool IntExprEvaluator::VisitOffsetOfExpr(const OffsetOfExpr *OOE) {
@@ -4427,7 +4425,6 @@
 
     case OffsetOfExpr::OffsetOfNode::Identifier:
       llvm_unreachable("dependent __builtin_offsetof");
-      return Error(OOE);
 
     case OffsetOfExpr::OffsetOfNode::Base: {
       CXXBaseSpecifier *BaseSpec = ON.getBase();
@@ -4618,7 +4615,6 @@
   }
 
   llvm_unreachable("unknown cast resulting in integral value");
-  return Error(E);
 }
 
 bool IntExprEvaluator::VisitUnaryReal(const UnaryOperator *E) {
@@ -4881,8 +4877,6 @@
     return true;
   }
   }
-
-  return Error(E);
 }
 
 //===----------------------------------------------------------------------===//
@@ -5092,7 +5086,6 @@
   }
 
   llvm_unreachable("unknown cast resulting in complex value");
-  return Error(E);
 }
 
 bool ComplexExprEvaluator::VisitBinaryOperator(const BinaryOperator *E) {
@@ -5928,8 +5921,7 @@
   }
   }
 
-  // Silence a GCC warning
-  return ICEDiag(2, E->getLocStart());
+  llvm_unreachable("Invalid StmtClass!");
 }
 
 /// Evaluate an expression as a C++11 integral constant expression.