llvm-svn: 166092

Fix a bug in the set(I,E)/reset(I,E) methods that I recently added.  The boundary condition for checking if I and E were in the same word were incorrect, and, beyond that, the mask computation was not using a wide enough constant.

llvm-svn: 166015

Add range-based set()/reset() to BitVector.  These allow fast setting/resetting of ranges of bits, particularly useful when dealing with very large BitVector's.

llvm-svn: 165984

llvm-svn: 165908

Add a basic unit test for ImmutableMap. Found by inspection.

llvm-svn: 165907

llvm-svn: 165792

llvm-svn: 165790

llvm-svn: 165781

llvm-svn: 165780

llvm-svn: 165777

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

llvm-svn: 165403

Some regression tests which are testing the old jit and are exercising functionality which is both known to be broken and not expected to be fixed in the old jit. To remove these from the regression test output, I've marked them XFAIL (for lit tests) and ifdef'd them out (unit tests). These modifications remove the last long-standing regression test failures from the buildbots (though updating the triple to reflect new ubuntu configuration has temporarily caused some new failures). Tested on x86-64 and ARM Linux.

Patch by David Tweed!

llvm-svn: 165390

Patch by Daniel Malea.

llvm-svn: 165246

llvm-svn: 165147

Don't call getAsUnsignedInteger directly, it fails to compile if uint64_t is not "unsigned long long".

while there add more test cases.

llvm-svn: 165140

llvm-svn: 165136

Patch committed on behalf of Kirill Uhanov

llvm-svn: 164831

Committed on behalf of Kirill Uhanov

llvm-svn: 164736

BB->end() returns a sentinel value that is not a legal insert point.

llvm-svn: 164699

APFloat::roundToIntegral: Special values don't keep the exponent value up to date, don't rely on it.

Add a couple of unit tests for special floats. Fixes 13929, found by MemorySanitizer.

llvm-svn: 164698

Fixed issue with Release build.

llvm-svn: 164654

llvm-svn: 164627

llvm-svn: 164614

Unit tests for IntegerDivision. Currently, just a basic sanity check to ensure that the code was generated properly. Future work would be finding some way to test the actual result that would be computed.

llvm-svn: 164582

This patch adds memory support functions which will later be used to implement section-specific protection handling in MCJIT.

llvm-svn: 164249

llvm-svn: 163979

llvm-svn: 163950

 - The current_pos function is supposed to return all the written bytes, not the
   current position of the underlying stream.
 - This caused tell() to be broken whenever the underlying stream had buffered
   content.

llvm-svn: 163948

Review by Chandler Carruth.

llvm-svn: 163944

llvm-svn: 162918

llvm-svn: 162310

llvm-svn: 162201

templated union at the request of Richard Smith. This makes it
substantially easier to type. =]

llvm-svn: 162072

llvm-svn: 161979

llvm-svn: 161976

Fix another roundToIntegral bug where very large values could become infinity.  Problem and solution identified by Steve Canon.

llvm-svn: 161969

Fix a problem with APFloat::roundToIntegral where it would return incorrect results for negative inputs to trunc.  Add unit tests to verify this behavior.

llvm-svn: 161929

llvm-svn: 161751

llvm-svn: 161297