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15 Commits

Author SHA1 Message Date
Duncan P. N. Exon Smith b3a66691f8 IR: Make metadata typeless in assembly, clang side 
Match LLVM changes from r224257.

llvm-svn: 224259
 2014-12-15 19:10:08 +00:00
Alexey Samsonov cb3f812b6b Kill -faddress-sanitizer, -fthread-sanitizer and -fcatch-undefined-behavior flags. 
These flags are deprecated since at least Clang 3.3. Users should instead
use -fsanitize= with appropriate values.

llvm-svn: 204330
 2014-03-20 10:48:29 +00:00
Richard Smith 0fc7bdc821 PR19113: Emit 'vtable' TBAA metadata when loading a vptr in a pointer-to-member-function call. 
llvm-svn: 203691
 2014-03-12 18:26:14 +00:00
Hans Wennborg c9bd88e681 Remove the -cxx-abi command-line flag. 
This makes the C++ ABI depend entirely on the target: MS ABI for -win32 triples,
Itanium otherwise. It's no longer possible to do weird combinations.

To be able to run a test with a specific ABI without constraining it to a
specific triple, new substitutions are added to lit: %itanium_abi_triple and
%ms_abi_triple can be used to get the current target triple adjusted to the
desired ABI. For example, if the test suite is running with the i686-pc-win32
target, %itanium_abi_triple will expand to i686-pc-mingw32.

Differential Revision: http://llvm-reviews.chandlerc.com/D2545

llvm-svn: 199250
 2014-01-14 19:35:09 +00:00
Hans Wennborg 9125b08b52 Update tests in preparation for using the MS ABI for Win32 targets 
In preparation for making the Win32 triple imply MS ABI mode,
make all tests pass in this mode, or make them use the Itanium
mode explicitly.

Differential Revision: http://llvm-reviews.chandlerc.com/D2401

llvm-svn: 199130
 2014-01-13 19:48:13 +00:00
Manman Ren 4f755deaf6 TBAA: use the same format for scalar TBAA and struct-path aware TBAA. 
An updated version of r191586 with bug fix.

Struct-path aware TBAA generates tags to specify the access path,
while scalar TBAA only generates tags to scalar types.

We should not generate a TBAA tag with null being the first field. When
a TBAA type node is null, the tag should be null too. Make sure we
don't decorate an instruction with a null TBAA tag.

Added a testing case for the bug reported by Richard with -relaxed-aliasing
and -fsanitizer=thread.

llvm-svn: 192145
 2013-10-08 00:08:49 +00:00
Richard Smith e4aaac506c Revert r191586 and r191695. They cause crashes when building with 
-relaxed-aliasing.

llvm-svn: 191725
 2013-10-01 02:20:23 +00:00
Manman Ren 4f04263347 TBAA: use the same format for scalar TBAA and struct-path aware TBAA. 
Struct-path aware TBAA generates tags to specify the access path,
while scalar TBAA only generates tags to scalar types.

llvm-svn: 191586
 2013-09-27 23:06:41 +00:00
Rafael Espindola ff7cea8c1a Don't pass -O0 to clang_cc1, it is the default. 
llvm-svn: 189910
 2013-09-04 04:12:25 +00:00
Richard Smith b1b0ab41e7 Use the individual -fsanitize=<...> arguments to control which of the UBSan 
checks to enable. Remove frontend support for -fcatch-undefined-behavior,
-faddress-sanitizer and -fthread-sanitizer now that they don't do anything.

llvm-svn: 167413
 2012-11-05 22:21:05 +00:00
Kostya Serebryany f6645c8071 fix test/CodeGen/tbaa-for-vptr.cpp: don't hardcode the index of metadata 
llvm-svn: 164928
 2012-10-01 08:39:00 +00:00
Kostya Serebryany 5dd2cfc81e enable TBAA when -fthread-sanitizer is given, even with -O0 or -relaxed-aliasing 
llvm-svn: 155430
 2012-04-24 06:57:01 +00:00
Duncan Sands c720e78ebc Use MDBuilder to help with metadata creation. 
llvm-svn: 154767
 2012-04-15 18:04:54 +00:00
Daniel Dunbar eec0abefb6 [tests] Fix test failure in release mode. 
llvm-svn: 153460
 2012-03-26 20:18:16 +00:00
Kostya Serebryany 141e46faf0 add tbaa metadata to vtable pointer loads/stores 
llvm-svn: 153447
 2012-03-26 17:03:51 +00:00