From: Fariborz Jahanian <fjahanian@apple.com>
Date: Fri, 15 Mar 2013 20:47:07 +0000 (+0000)
Subject: c: perform integer overflow check on all binary
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=28c781f03902c9fc8e7425c573fb9a91be93df46;p=platform%2Fupstream%2Fllvm.git

c: perform integer overflow check on all binary
operations. // rdar://13423975

llvm-svn: 177181
---

diff --git a/clang/lib/Sema/SemaChecking.cpp b/clang/lib/Sema/SemaChecking.cpp
index 2f8d857..dd797bb 100644
--- a/clang/lib/Sema/SemaChecking.cpp
+++ b/clang/lib/Sema/SemaChecking.cpp
@@ -5186,18 +5186,7 @@ void Sema::CheckImplicitConversions(Expr *E, SourceLocation CC) {
 /// Diagnose when expression is an integer constant expression and its evaluation
 /// results in integer overflow
 void Sema::CheckForIntOverflow (Expr *E) {
-  if (const BinaryOperator *BExpr = dyn_cast<BinaryOperator>(E->IgnoreParens())) {
-    unsigned Opc = BExpr->getOpcode();
-    switch (Opc) {
-      case BO_Add:
-      case BO_Sub:
-      case BO_Mul:
-      case BO_Div:
-      case BO_Rem:
-        break;
-      default:
-        return;
-    }
+  if (isa<BinaryOperator>(E->IgnoreParens())) {
     llvm::SmallVector<PartialDiagnosticAt, 4> Diags;
     E->EvaluateForOverflow(Context, &Diags);
   }