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118 Commits

Author SHA1 Message Date
Douglas Gregor 51150ab1f1 When initializing thread-safe statics, put the call to 
__cxa_guard_abort along the exceptional edge into (in effect) a nested
"try" that rethrows after aborting. Fixes PR7144 and the remaining
Boost.ProgramOptions failures, along with the regressions that r103880
caused.

The crucial difference between this and r103880 is that we now follow
LLVM's little dance with the llvm.eh.exception and llvm.eh.selector
calls, then use _Unwind_Resume_or_Rethrow to rethrow.

llvm-svn: 103892
 2010-05-16 01:24:12 +00:00
Douglas Gregor c278d1b3b9 Revert r103880 (thread-safe static initialization w/ exceptions), 
because it's causing strange linker errors. Unfixes PR7144.

llvm-svn: 103890
 2010-05-16 00:44:00 +00:00
Douglas Gregor 58142dd8a1 When initializing thread-safe statics, put the call to 
__cxa_guard_abort along the exceptional edge into (in effect) a nested
"try" that rethrows after aborting. Fixes PR7144 and the remaining
Boost.ProgramOptions failures.

llvm-svn: 103880
 2010-05-15 17:55:51 +00:00
Douglas Gregor 370eadf38d For thread-safe static initialization of local statics with 
destructors, place the __cxa_atexit call after the __cxa_guard_release
call, mimicking GCC/LLVM-GCC behavior. Noticed while debugging
something related.

llvm-svn: 103088
 2010-05-05 15:38:32 +00:00
John McCall 4a39ab8078 Emit the globals, metadata, etc. associated with static variables even when 
they're unreachable.  This matters because (if they're POD, or if this is C)
the scope containing the variable might be reachable even if the variable
isn't.  Fixes PR7044.

llvm-svn: 103052
 2010-05-04 20:45:42 +00:00
Chris Lattner 5e8416a77f emit dtors with the right calling convention in -fno-use-cxa-atexit 
mode.

llvm-svn: 102377
 2010-04-26 20:35:54 +00:00
Daniel Dunbar fe06df4bf3 C++: Add support for -fno-use-cxa-atexit. 
- So much typing, so little gain...

Also, rename the __cxx_global_initialization function just to match llvm-gcc.

llvm-svn: 99039
 2010-03-20 04:15:41 +00:00
Daniel Dunbar 7572284f4f IRgen: Inline GenerateCXXGlobal[VarDecl]InitFunc into sole caller. 
llvm-svn: 99038
 2010-03-20 04:15:29 +00:00
Anders Carlsson fcd764a168 Add support for threadsafe statics, and make them the default (matching gcc). 
Daniel, I'd appreciate a review of the driver/cc1 parts.

llvm-svn: 95508
 2010-02-06 23:23:06 +00:00
Anders Carlsson 3b227bd629 Revert the new reference binding code; I came up with a way simpler solution for the reference binding bug that is preventing self-hosting. 
llvm-svn: 95223
 2010-02-03 16:38:03 +00:00
Fariborz Jahanian 5cda92820f global variable that binds reference to a non-lvalue reproted 
as NYI now.

llvm-svn: 94453
 2010-01-25 21:40:39 +00:00
Fariborz Jahanian 210031b79c Fix a code gen. bug involving compiling global references. 
(fixes radar 7574896).

llvm-svn: 94434
 2010-01-25 18:30:26 +00:00
Eli Friedman 5866fe306d Fix for PR5967: Make const-marking for LLVM globals correct for cases requiring 
run-time initialization, and emit run-time initializers aggresively to avoid
ordering issues with deferred globals.

llvm-svn: 92976
 2010-01-08 00:50:11 +00:00
Anders Carlsson fefc7b8e7b Actually store the pointer into the global variable, spotted by Eli. 
llvm-svn: 91036
 2009-12-10 01:58:33 +00:00
Anders Carlsson a72ddd4609 Handle emitting static variables that have reference type. 
llvm-svn: 91027
 2009-12-10 01:05:11 +00:00
Anders Carlsson 364051c6a6 Separate generating code for static variables and global variables. 
llvm-svn: 91026
 2009-12-10 00:57:45 +00:00
Anders Carlsson 633c6f6f36 Move more decl related functions to CGDeclCXX.cpp 
llvm-svn: 91012
 2009-12-10 00:30:05 +00:00
Anders Carlsson bc49cfed84 Add CGDeclCXX.cpp and move EmitCXXGlobalVarDeclInit there. 
llvm-svn: 91006
 2009-12-10 00:16:00 +00:00