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28 Commits

Author SHA1 Message Date
Jeff Cohen
11e26b52b2 When a function takes a variable number of pointer arguments, with a zero 
pointer marking the end of the list, the zero *must* be cast to the pointer
type.  An un-cast zero is a 32-bit int, and at least on x86_64, gcc will
not extend the zero to 64 bits, thus allowing the upper 32 bits to be
random junk.

The new END_WITH_NULL macro may be used to annotate a such a function
so that GCC (version 4 or newer) will detect the use of un-casted zero
at compile time.

llvm-svn: 23888
 2005-10-23 04:37:20 +00:00
Chris Lattner
d48b127aea Fix PR575, patch provided by John Mellor-Crummey. Thanks! 
llvm-svn: 22223
 2005-06-15 22:49:30 +00:00
Chris Lattner
fbc45f10d0 Fix a problem on 64-bit targets where we passed (int)0 through ... instead of 
(void*)0.

llvm-svn: 22205
 2005-06-09 02:59:00 +00:00
Chris Lattner
807aa20f67 Fix a bug compimling Ruby, fixing this testcase: 
LowerSetJmp/2005-05-05-OldUses.ll

llvm-svn: 21696
 2005-05-05 15:47:43 +00:00
Misha Brukman
b1c9317bb4 Remove trailing whitespace 
llvm-svn: 21427
 2005-04-21 23:48:37 +00:00
Chris Lattner
a3159af703 Fix a bug where we would not promote calls to invokes if they occured in 
the same block as the setjmp.  Thanks to Greg Pettyjohn for noticing this!

llvm-svn: 21403
 2005-04-21 16:46:46 +00:00
Chris Lattner
a3f06fa2dd Switchinst takes a hint for the number of cases it will have. 
llvm-svn: 19899
 2005-01-29 00:38:45 +00:00
Chris Lattner
f64799683e Comment cleanups 
llvm-svn: 16803
 2004-10-07 06:00:24 +00:00
Chris Lattner
4f2cf030e8 'Pass' should now not be derived from by clients. Instead, they should derive 
from ModulePass.  Instead of implementing Pass::run, then should implement
ModulePass::runOnModule.

llvm-svn: 16436
 2004-09-20 04:48:05 +00:00
Reid Spencer
7c16caa336 Changes For Bug 352 
Move include/Config and include/Support into include/llvm/Config,
include/llvm/ADT and include/llvm/Support. From here on out, all LLVM
public header files must be under include/llvm/.

llvm-svn: 16137
 2004-09-01 22:55:40 +00:00
Chris Lattner
8eebc49884 DemoteRegToStack got moved from DemoteRegToStack.h to Local.h 
llvm-svn: 12368
 2004-03-14 02:13:38 +00:00
Chris Lattner
fae8ab3088 rename the "exceptional" destination of an invoke instruction to the 'unwind' dest 
llvm-svn: 11202
 2004-02-08 21:44:31 +00:00
Chris Lattner
071bc60450 splitBasicBlock "does the right thing" now, no reason to reposition it. 
llvm-svn: 11199
 2004-02-08 20:49:07 +00:00
Chris Lattner
0ff9da5fed Remove unneeded code now that splitBasicBlock does the "right thing" 
llvm-svn: 11111
 2004-02-04 03:21:51 +00:00
Chris Lattner
f52e03c79e Finegrainify namespacification 
llvm-svn: 10138
 2003-11-21 21:54:22 +00:00
Chris Lattner
2af517281d Start using the nicer terminator auto-insertion API 
llvm-svn: 10111
 2003-11-20 18:25:24 +00:00
Brian Gaeke
960707c335 Put all LLVM code into the llvm namespace, as per bug 109. 
llvm-svn: 9903
 2003-11-11 22:41:34 +00:00
Chris Lattner
b0a4b49b23 Fix bug: PR93 
llvm-svn: 9752
 2003-11-06 19:18:49 +00:00
Chris Lattner
3e5ff2568c Check in statistifying patch for Bill 
llvm-svn: 9572
 2003-10-28 23:14:59 +00:00
John Criswell
482202a601 Added LLVM project notice to the top of every C++ source file. 
Header files will be on the way.

llvm-svn: 9298
 2003-10-20 19:43:21 +00:00
Chris Lattner
612cafef0a Whoops, we inserted into the wrong set. What's up with the dead set anyway? 
llvm-svn: 9094
 2003-10-13 16:49:21 +00:00
Chris Lattner
951e7329e8 Use external df iterators to avoid revisiting blocks in functions with 
multiple setjmp calls.

llvm-svn: 9093
 2003-10-13 16:44:50 +00:00
Chris Lattner
f7a60cd9fa Minor cleanups 
llvm-svn: 9067
 2003-10-13 01:02:33 +00:00
Chris Lattner
56b8526083 Checkin an improvement contributed by Bill: 
Only transform call sites in a setjmp'ing function which are reachable from
the setjmp.  If the call dominates the setjmp (for example), the called
function cannot longjmp to the setjmp.

This dramatically reduces the number of invoke instructions created in some
large testcases.

llvm-svn: 9066
 2003-10-13 00:57:16 +00:00
Misha Brukman
4ce9dae5b1 Credits are now in top-level CREDITS.TXT 
llvm-svn: 8661
 2003-09-22 21:57:15 +00:00
Chris Lattner
5dac64f629 Rename Function::getEntryNode -> getEntryBlock 
llvm-svn: 8625
 2003-09-20 14:39:18 +00:00
Chris Lattner
40b6621b50 Minor cleanups, give credit, remove code that should not be necessary, and 
was a "major hack"  :)

llvm-svn: 8524
 2003-09-15 05:43:05 +00:00
Chris Lattner
6f99eb56c3 Initial checkin of the Setjmp/Longjmp lowering/transformation pass, 
contributed by the masterful Bill Wendling!

llvm-svn: 8520
 2003-09-15 04:56:27 +00:00