Add Expr::getIntegerConstantExprValue helper method
 - For getting an APSInt from a known integer constant Expr.
 - TODO: Many users of Expr::isIntegerConstantExpr in codegen should
   probably be using this instead...


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53974 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed