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12 Commits

Author SHA1 Message Date
Chandler Carruth 130cec21b9 Sort the #include lines for unittest/... 
llvm-svn: 169250
 2012-12-04 10:23:08 +00:00
Sean Silva 35dd8779fa Casting.h: Automatically handle isa<Base>(Derived). 
Additionally, all such cases are handled with no dynamic check.

All `classof()` of the form

    class Foo {
      [...]
      static bool classof(const Bar *) { return true; }
      [...]
    }

where Foo is an ancestor of Bar are no longer necessary.
Don't write them!

Note: The exact test is `is_base_of<Foo, Bar>`, which is non-strict, so
that Foo is considered an ancestor of itself.

This leads to the following rule of thumb for LLVM-style RTTI:

    The argument type of `classof()` should be a strict ancestor.

For more information about implementing LLVM-style RTTI, see
docs/HowToSetUpLLVMStyleRTTI.rst

llvm-svn: 165765
 2012-10-11 23:30:40 +00:00
Richard Smith c4379c3b7e Don't pass a null pointer to cast<> in its unit tests. 
llvm-svn: 162310
 2012-08-21 20:39:25 +00:00
NAKAMURA Takumi 3119440239 unittests/Support/Casting.cpp: [PR8226] Workaround for MSVC|Debug. 
llvm-svn: 148659
 2012-01-22 12:14:35 +00:00
Gabor Greif fd23a97d9c add dyn_cast_or_null tests, exclude invalid dyn_cast test 
llvm-svn: 109111
 2010-07-22 15:37:20 +00:00
Gabor Greif 78595811b4 tidy up 
llvm-svn: 109110
 2010-07-22 15:28:30 +00:00
Gabor Greif b9e69778a4 add dyn_cast tests and beef up others a bit 
llvm-svn: 109109
 2010-07-22 15:24:48 +00:00
Gabor Greif dd8ba3c275 tidy up 
llvm-svn: 108889
 2010-07-20 19:35:55 +00:00
Gabor Greif c4dc39355e migrate essentially everything from under #ifdef DEBUG_CAST_OPERATORS into this file 
llvm-svn: 108864
 2010-07-20 17:06:28 +00:00
Gabor Greif 1804d30cf1 extend to cast<> and cast_or_null<> tests 
llvm-svn: 108854
 2010-07-20 16:51:18 +00:00
Gabor Greif 3eae1b3b4b isa<> tests 
llvm-svn: 108851
 2010-07-20 16:38:12 +00:00
Gabor Greif 704524ae70 initial checkin for unittest to exercise Support/Casting.h 
this is still minimal on purpose, but I plan to migrate the ugly
hack under #ifdef DEBUG_CAST_OPERATORS into this file

llvm-svn: 108849
 2010-07-20 16:32:20 +00:00