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b2fa69f4b2
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29 Commits

Author SHA1 Message Date
Chris Lattner
b2fa69f4b2 Completely rewrite 'correct' eh support. This changes how setjmp insertion 
is performed so it is only at most once per function that contains an invoke
instead of once per invoke in the function.  This patch has the following perks:

1. It fixes PR631, which complains about slowness.
2. If fixes PR240, which complains about non-volatile vars being live across
   setjmp/longjmps.
3. It improves (but does not fix) the jmpbuf alignment issue on itanium by not
   forcing the jmpbufs to always be 8-bytes off the alignment of the structure.
4. It speeds up 253.perlbmk from 338s to 13.70s (a 25x improvement!), making us
   now about 4% faster than GCC.

Further improvements are also possible.

llvm-svn: 23477
 2005-09-27 21:18:17 +00:00
Chris Lattner
eee2daf85d The correct fix for PR612, which also fixes 
Transforms/LowerInvoke/2005-08-03-InvokeWithPHIUse.ll

llvm-svn: 22628
 2005-08-03 18:51:44 +00:00
Chris Lattner
edac412122 When inserting code, make sure not to insert it before PHI nodes. This 
fixes PR612 and Transforms/LowerInvoke/2005-08-03-InvokeWithPHI.ll

llvm-svn: 22626
 2005-08-03 18:34:29 +00:00
Chris Lattner
9d3c2260d0 Fix a 64-bit problem, passing (int)0 through ... instead of (void*)0 
llvm-svn: 22206
 2005-06-09 03:32:54 +00:00
Chris Lattner
b9d99c9b2b When lowering invokes to calls, amke sure to preserve the calling conv. This 
fixes Ptrdist/anagram with x86 llcbeta

llvm-svn: 21925
 2005-05-13 06:27:02 +00:00
Chris Lattner
dfe45a21b1 Prefer int 0 instead of long 0 for GEP arguments. 
llvm-svn: 21924
 2005-05-13 06:10:12 +00:00
Chris Lattner
146447f57a Preserve tail marker 
llvm-svn: 21737
 2005-05-06 06:48:21 +00:00
John Criswell
d1933cb2e4 Fixed a comment. 
llvm-svn: 21653
 2005-05-02 14:47:42 +00:00
Misha Brukman
53e199440e Remove trailing whitespace 
llvm-svn: 21427
 2005-04-21 23:48:37 +00:00
Chris Lattner
d348f5b9fb Lazily create the abort message, so only translation units that use unwind 
will actually get it.

llvm-svn: 17700
 2004-11-13 19:07:32 +00:00
Chris Lattner
922a1b4601 Simplify handling of constant initializers 
llvm-svn: 17696
 2004-11-12 22:42:57 +00:00
Reid Spencer
c4abcbefb1 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
Reid Spencer
7f33869f9b bug 122: 
- Replace ConstantPointerRef usage with GlobalValue usage

llvm-svn: 14953
 2004-07-18 00:44:37 +00:00
Chris Lattner
d702e10ea0 Fix one of the major things that is causing the C Backend to infinite loop 
llvm-svn: 13872
 2004-05-28 05:02:13 +00:00
Chris Lattner
9236135e8f Support getelementptr instructions which use uint's to index into structure 
types and can have arbitrary 32- and 64-bit integer types indexing into
sequential types.

llvm-svn: 12653
 2004-04-05 01:30:19 +00:00
Chris Lattner
6aaea5f86b Add warning 
llvm-svn: 12573
 2004-03-31 22:00:30 +00:00
Chris Lattner
2749c25a5c Disable tail duplication in a case that breaks on Olden/tsp 
llvm-svn: 12021
 2004-03-01 01:12:13 +00:00
Chris Lattner
c224c03911 Instead of producing calls to setjmp/longjmp, produce uses of the 
llvm.setjmp/llvm.longjmp intrinsics.

llvm-svn: 11482
 2004-02-15 22:24:27 +00:00
Chris Lattner
f1de565975 Expose a pass ID that can be 'required' 
llvm-svn: 11376
 2004-02-13 16:16:16 +00:00
Chris Lattner
e961c1189f Only add the global variable with the abort message if an unwind actually 
occurs in the program.

llvm-svn: 11249
 2004-02-09 22:48:47 +00:00
Misha Brukman
58ca173834 Fix grammar-o. 
llvm-svn: 11210
 2004-02-08 22:27:33 +00:00
Chris Lattner
a9887d33e8 Improve compatibility with programs that already have a prototype for 'write', 
even if it is wierd in some way.

llvm-svn: 11207
 2004-02-08 22:14:44 +00:00
Chris Lattner
68fdb35576 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
1c646349df Implement proper invoke/unwind lowering. 
This fixed PR16 "[lowerinvoke] The -lowerinvoke pass does not insert calls to setjmp/longjmp"

llvm-svn: 11195
 2004-02-08 19:53:56 +00:00
Chris Lattner
f549f9473e Add a call to 'write' right before the call to abort() in the unwind path. 
This causes the JIT, or LLC'd program to print out a nice message, explaining
WHY the program aborted.

llvm-svn: 11184
 2004-02-08 07:30:29 +00:00
Chris Lattner
0b72993a49 Finegrainify namespacification 
Fix bug: LowerInvoke/2003-12-10-Crash.llx

llvm-svn: 10382
 2003-12-10 20:22:42 +00:00
Brian Gaeke
d25f86d683 Put all LLVM code into the llvm namespace, as per bug 109. 
llvm-svn: 9903
 2003-11-11 22:41:34 +00:00
John Criswell
b402729b30 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
40a236b9ea Initial checkin of the LLVM->LLVM transform to support code generators which 
do not support stack unwinding yet

llvm-svn: 8869
 2003-10-05 19:14:42 +00:00