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25 Commits

Author SHA1 Message Date
John McCall
cb1d6e9690 Version N of the llvm_unreachable patch: VC++ doesn't recognize that abort() 
doesn't return, so just go back to using the old runtime function instead
of trying to use abort() when __builtin_unreachable (or an equivalent) isn't
supported.

llvm-svn: 127629
 2011-03-14 22:41:50 +00:00
John McCall
fe51bf5de7 Make llvm_unreachable evaluate to __builtin_unreachable() in -Asserts 
builds, which was the apparent consensus of PR8973 and llvmdev.

llvm-svn: 127608
 2011-03-14 20:01:21 +00:00
Daniel Dunbar
1f695efa5e report_fatal_error: Simplify a possible ambiguity. 
llvm-svn: 118972
 2010-11-13 02:48:51 +00:00
Chandler Carruth
7dd652736f Move the remaining attribute macros to systematic names based on the attribute 
name and prefixed with 'LLVM_'.

llvm-svn: 117203
 2010-10-23 08:40:19 +00:00
Dan Gohman
9b5ed21492 Introduce a ScopedFatalErrorHandler class to make it easy to register 
fatal error handlers which automatically get unregistered at the end
of a scope.

llvm-svn: 111398
 2010-08-18 20:16:39 +00:00
Chris Lattner
ea8b374616 rename llvm_install_error_handler -> install_fatal_error_handler 
and friends.

llvm-svn: 100717
 2010-04-07 23:12:29 +00:00
Chris Lattner
80b41881bc rename llvm::llvm_report_error -> llvm::report_fatal_error 
llvm-svn: 100709
 2010-04-07 22:58:41 +00:00
Chris Lattner
f927d33d8c minor tidying up 
llvm-svn: 100702
 2010-04-07 22:41:29 +00:00
Jeffrey Yasskin
9cba192e78 Make it easier to use the llvm_unreachable and DEBUG macros without "using 
namespace llvm" by qualifying their implementations with ::llvm::.

llvm-svn: 91206
 2009-12-12 04:08:32 +00:00
Benjamin Kramer
521985553a Make NORETURN working with MSVC. MSVC only accepts NORETURN in front of the 
decl so move it there. GCC accepts it both in front and after decls.

llvm-svn: 88791
 2009-11-14 14:14:58 +00:00
Dan Gohman
1d708297fc Add some comments clarifying what appear to be the intent of various 
error handling mechanisms. Please correct these if I've misunderstood
something.

llvm-svn: 79505
 2009-08-20 01:46:24 +00:00
Dan Gohman
bc6b14ba00 This void is implicit in C++. 
llvm-svn: 78848
 2009-08-12 22:10:57 +00:00
Daniel Dunbar
86ddd268b4 Add support for a user supplied pointer argument to llvm_install_error_handler. 
llvm-svn: 78553
 2009-08-10 03:36:26 +00:00
Daniel Dunbar
076387bcc0 Allow llvm_report_error to accept a Twine. 
llvm-svn: 76961
 2009-07-24 07:58:10 +00:00
Torok Edwin
f955a6ef49 llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable. 
This adds location info for all llvm_unreachable calls (which is a macro now) in
!NDEBUG builds.
In NDEBUG builds location info and the message is off (it only prints
"UREACHABLE executed").

llvm-svn: 75640
 2009-07-14 16:55:14 +00:00
Torok Edwin
e5683aabc1 After converting assert(0) to LLVM_UNREACHABLE we lost file/line location. 
Fix by making the LLVM_UNREACHABLE pass __FILE__ and __LINE__ to
llvm_unreachable.

llvm-svn: 75631
 2009-07-14 12:49:22 +00:00
Torok Edwin
d2f2458584 Mention that llvm_report_error() does not return. 
llvm-svn: 75428
 2009-07-12 21:01:44 +00:00
Torok Edwin
2efc9fcd4c Fix comment. 
llvm-svn: 75380
 2009-07-11 20:13:58 +00:00
Torok Edwin
ae8a3ff177 assert(0) -> LLVM_UNREACHABLE. 
Make llvm_unreachable take an optional string, thus moving the cerr<< out of
line.
LLVM_UNREACHABLE is now a simple wrapper that makes the message go away for
NDEBUG builds.

llvm-svn: 75379
 2009-07-11 20:10:48 +00:00
Torok Edwin
358888da3a Implement changes from Chris's feedback. 
Finish converting lib/Target.

llvm-svn: 75043
 2009-07-08 20:53:28 +00:00
Torok Edwin
980729667e Convert more abort() calls to llvm_report_error(). 
Also remove trailing semicolon.

llvm-svn: 75027
 2009-07-08 19:04:27 +00:00
Torok Edwin
ad3be984b7 Start converting to new error handling API. 
cerr+abort -> llvm_report_error
assert(0)+abort -> LLVM_UNREACHABLE (assert(0)+llvm_unreachable-> abort() included)

llvm-svn: 75018
 2009-07-08 18:01:40 +00:00
Chris Lattner
b19709485f convert comments to doxygen style 
llvm-svn: 75015
 2009-07-08 17:09:18 +00:00
Alisdair Meredith
6be064d4d6 Trial first commit 
Fixed build, requires std header before using std::string

llvm-svn: 74995
 2009-07-08 09:04:19 +00:00
Torok Edwin
375564339a Introduce new error handling API. 
This will replace exit()/abort() style error handling with an API
that allows clients to register custom error handling hooks.
The default is to call exit(1) when no error handler is provided.

llvm-svn: 74922
 2009-07-07 17:32:34 +00:00