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432 Commits

Author SHA1 Message Date
Michael Ilseman 686240a97e remove trailing whitespace 
llvm-svn: 169187
 2012-12-04 00:29:55 +00:00
Will Dietz 88e0233ff4 [ubsan] Add flag to enable recovery from checks when possible. 
llvm-svn: 169114
 2012-12-02 19:50:33 +00:00
Benjamin Kramer c1b7841960 Simplify code. No functionality change. 
llvm-svn: 168047
 2012-11-15 16:40:35 +00:00
Eli Friedman 1f576831c9 When evaluating variably modified types for function parameters, dig out the 
type as written from the ParmVarDecl; it's unclear whether the standard
(C99 6.9.1p10) requires this, but we're following the precedent set by gcc,
and hopefully nobody will ever ask about this again.

PR9559 / <rdar://problem/12621983>.

llvm-svn: 167985
 2012-11-14 22:09:59 +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
Richard Smith 9c6890a792 Simplify: replace getContext().getLangOpts() with just getLangOpts(). 
llvm-svn: 167261
 2012-11-01 22:30:59 +00:00
Micah Villmow ea2fea2a60 Cleanup some clang code to use new type functions instead of using cast<>. 
llvm-svn: 166684
 2012-10-25 15:39:14 +00:00
Douglas Gregor b0eea8b54b Switch CodeGenOptions over to a .def file, like we do with LangOptions. 
llvm-svn: 166497
 2012-10-23 20:05:01 +00:00
Alexey Samsonov 38e2496497 Transform pattern: 
if (CGM.getModuleDebugInfo())
    DebugInfo = CGM.getModuleDebugInfo()
into a call:
  maybeInitializeDebugInfo();

This is a simplification for a possible future fix of PR13942.

llvm-svn: 166019
 2012-10-16 07:22:28 +00:00
Richard Smith 6b4ebcc653 At -O0, emit an @llvm.trap() call at the end of a value-returning function which 
fails to return a value, to make debugging this issue easier.

llvm-svn: 165914
 2012-10-15 00:23:07 +00:00
Bill Wendling 73e465e148 Have 'addFnAttr' take the attribute enum value. Then have it build the attribute object and add it appropriately. No functionality change. 
llvm-svn: 165596
 2012-10-10 03:13:20 +00:00
Richard Smith 8772bd8569 Tidy up formatting. 
llvm-svn: 165584
 2012-10-10 01:12:11 +00:00
Richard Smith 481652b3e3 -fcatch-undefined-behavior: catch a VLA bound which evalutes to a non-positive value. 
llvm-svn: 165583
 2012-10-10 01:11:12 +00:00
Richard Smith e30752c93b -fcatch-undefined-behavior: emit calls to the runtime library whenever one of the checks fails. 
llvm-svn: 165536
 2012-10-09 19:52:38 +00:00
Micah Villmow dd31ca10ef Move TargetData to DataLayout. 
llvm-svn: 165395
 2012-10-08 16:25:52 +00:00
Richard Smith 9f9e5826f2 If we flow off the end of a value-returning function: 
- outside C++, return undef (behavior is not undefined unless the value is used)
 - in C++, with -fcatch-undefined-behavior, perform an appropriate trap
 - in C++, produce an 'unreachable' (behavior is undefined immediately)

llvm-svn: 165273
 2012-10-04 23:52:29 +00:00
Richard Trieu c320c745cc Change APInt to APSInt in one instance. Also change a call to operator==() to 
APSInt::isSameValue() when comparing different sized APSInt's.

llvm-svn: 160641
 2012-07-23 20:21:35 +00:00
Chandler Carruth cc8f2a6ab5 Update Clang to reflect the move of MDBuilder in r160237. 
llvm-svn: 160238
 2012-07-15 23:28:01 +00:00
Tanya Lattner 7445ada9c8 Add OpenCL metadata for kernel arg names. This output is controlled via a flag as noted in the OpenCL Spec. 
Includes a test case.

llvm-svn: 160092
 2012-07-11 23:02:10 +00:00
Tanya Lattner bcffcdfd18 Patch by Anton Lokhmotov to add OpenCL work group size attributes. 
llvm-svn: 159965
 2012-07-09 22:06:01 +00:00
Fariborz Jahanian 6362803cfe block literal irgen: several improvements on naming block 
literal helper functions. All helper functions (global
and locals) use block_invoke as their prefix. Local literal
helper names are prefixed by their enclosing mangled function
names. Blocks in non-local initializers (e.g. a global variable 
or a C++11 field) are prefixed by their mangled variable name. 
The descriminator number added to end of the name starts off 
with blank (for first block) and _<N> (for the N+2-th block).

llvm-svn: 159206
 2012-06-26 16:06:38 +00:00
James Dennett be30245442 Documentation cleanup: 
* Escaped Objective-C @keywords in Doxygen comments;
* Documented more accurate \params;
* Exposed some more summaries using \brief.

llvm-svn: 158559
 2012-06-15 22:10:14 +00:00
Nuno Lopes a425589fea wire -fbounds-checking to the new LLVM bounds checking pass 
llvm-svn: 157262
 2012-05-22 17:19:45 +00:00
Nuno Lopes 3d6311d5f7 add -fbounds-checking option. 
When enabled, clang generates bounds checks for array and pointers dereferences. Work to follow in LLVM's backend.

OK'ed by Chad; thanks for the review.

llvm-svn: 156431
 2012-05-08 22:10:46 +00:00
Alexey Samsonov 74a3868dbb This patch adds a new Clang compiler flag "-gline-tables-only". 
It reduces the amount of emitted debug information:
1) DIEs in .debug_info have types DW_TAG_compile_unit, DW_TAG_subprogram,
DW_TAG_inlined_subroutine (for opt builds) and DW_TAG_lexical_block only.
2) .debug_str contains only function names.
3) No debug data for types/namespaces/variables is emitted.
4) The data in .debug_line is enough to produce valid stack traces with
function names and line numbers.

Reviewed by Eric Christopher.

llvm-svn: 156160
 2012-05-04 07:39:27 +00:00