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Author SHA1 Message Date
Gordon Henriksen
90d48b077d Fixing several transforms which would drop the collector attribute 
when copying functions.

llvm-svn: 45356
 2007-12-25 22:16:06 +00:00
Chris Lattner
233cd2bbcd update to llvm 2.0 syntax. 
llvm-svn: 45355
 2007-12-25 20:34:52 +00:00
Chris Lattner
90df7f7424 Don't break critical edges for single-bb loops, this helps with PR1877, though 
it is only a partial fix.  This change is noise for most programs, but
speeds up Shootout-C++/matrix by 20%, Ptrdist/ks by 24%, smg2000 by 8%,
hexxagon by 9%, bzip2 by 9% (not sure I trust this), ackerman by 13%, etc.

OTOH, it slows down Shootout/fib2 by 40% (I'll update PR1877 with this info).

llvm-svn: 45354
 2007-12-25 19:06:45 +00:00
Seo Sanghyeon
28edc56597 Actually parse q operation in llvm-ar 
llvm-svn: 45353
 2007-12-25 13:53:47 +00:00
Gordon Henriksen
653a9e4c7f Disabling -g for ocaml builds; it's not downwards compatible. 
llvm-svn: 45352
 2007-12-25 08:37:43 +00:00
Gordon Henriksen
c0a3899bbf GC poses hazards to the inliner. Consider: 
define void @f() {
            ...
            call i32 @g()
            ...
    }

    define void @g() {
            ...
    }

The hazards are:

  - @f and @g have GC, but they differ GC. Inlining is invalid. This
    may never occur.
  - @f has no GC, but @g does. g's GC must be propagated to @f.

The other scenarios are safe:

  - @f and @g have the same GC.
  - @f and @g have no GC.
  - @g has no GC.

This patch adds inliner checks for the former two scenarios.

llvm-svn: 45351
 2007-12-25 03:10:07 +00:00
Gordon Henriksen
a9f4ed4070 Noting and enforcing that GC intrinsics are valid only within a 
function with GC.

This will catch the error when the inliner inlines a function with
GC into a caller with no GC.

llvm-svn: 45350
 2007-12-25 02:31:26 +00:00
Gordon Henriksen
44841db057 Adjusting verification of "llvm.gc*" intrinsic prototypes to match 
LangRef.

llvm-svn: 45349
 2007-12-25 02:02:10 +00:00
Owen Anderson
1064e276a9 Flesh out the Briggs implementation a little bit more, fix a few FIXMEs. 
llvm-svn: 45347
 2007-12-24 22:12:23 +00:00
Chris Lattner
7e1e1f2933 add a -backedge-hack llc-beta option to codegenprepare. 
When specified, don't split backedges of single-bb loops.
This helps address PR1877

llvm-svn: 45344
 2007-12-24 19:32:55 +00:00
Chris Lattner
232e097cff add a simple hack 
llvm-svn: 45343
 2007-12-24 19:27:46 +00:00
Anton Korobeynikov
a0113f6c70 Cygwin defines uint32_t as unsigned long. Unbreak call to std::min in this case 
llvm-svn: 45342
 2007-12-24 11:16:47 +00:00
Ted Kremenek
3ba98109c9 Added special support for stripping CRLF characters that may appear in the 
output of nm.

llvm-svn: 45341
 2007-12-24 08:04:39 +00:00
Gordon Henriksen
3e409a37ac Setting GlobalDirective in TargetAsmInfo by default rather than 
providing a misleading facility. It's used once in the MIPS backend
and hardcoded as "\t.globl\t" everywhere else.

llvm-svn: 45338
 2007-12-23 20:58:16 +00:00
Owen Anderson
7133e76b12 Get rid of an unneeded #include. 
llvm-svn: 45337
 2007-12-23 20:34:06 +00:00
Gordon Henriksen
2d254558ca Fix some Ocaml GC errors noticed upon review. 
llvm-svn: 45336
 2007-12-23 17:10:23 +00:00
Gordon Henriksen
606ac32019 C and Ocaml bindings for ExecutionEngine (i.e., the JIT compiler). 
llvm-svn: 45335
 2007-12-23 16:59:28 +00:00
Owen Anderson
e9538b78ce Sketch out an implementation of Briggs' copy placement algorithm. 
llvm-svn: 45334
 2007-12-23 15:37:26 +00:00
Owen Anderson
5db3336e50 Add GraphTraits specializations for machine dominators. 
llvm-svn: 45333
 2007-12-23 15:16:46 +00:00
Gordon Henriksen
c9025501ea Undo a wrong bit in that last patch. 
llvm-svn: 45327
 2007-12-22 23:34:26 +00:00
Gordon Henriksen
586644cc15 Document a more robust implementation of performCustomLowering. 
llvm-svn: 45326
 2007-12-22 23:32:32 +00:00
Chris Lattner
a2156b160a fix some warnings. This code needs to be de-tabified :( 
llvm-svn: 45325
 2007-12-22 22:47:03 +00:00
Chris Lattner
1c6a1f71cb fix strict-aliasing violation 
llvm-svn: 45324
 2007-12-22 22:45:38 +00:00
Chris Lattner
084002dcb0 initial code for forming an FGETSIGN node. This is disabled until 
legalizer support goes in.

llvm-svn: 45323
 2007-12-22 21:35:38 +00:00
Chris Lattner
24b2a6de5c improve support for fgetsign 
llvm-svn: 45322
 2007-12-22 21:26:52 +00:00
Chris Lattner
a8f6fac7a3 Tell TargetLoweringOpt whether it is running before 
or after legalize.

llvm-svn: 45321
 2007-12-22 20:56:36 +00:00
Chris Lattner
f2aa80e0de Add a new FGETSIGN operation, which defaults to expand on all 
targets.

llvm-svn: 45320
 2007-12-22 20:47:56 +00:00
Anton Korobeynikov
4275f59e61 Erm, really disable :) 
llvm-svn: 45319
 2007-12-22 20:46:24 +00:00
Anton Korobeynikov
9f148a1a2a Disable, until we'll really need it 
llvm-svn: 45318
 2007-12-22 20:41:12 +00:00
Gordon Henriksen
54ef30cb0e Fix a partial application typo. 
llvm-svn: 45317
 2007-12-22 19:41:30 +00:00
Gordon Henriksen
fccde96a4c Use getIntrinsicID instead of looking up intrinsic prototypes. Also 
fixes a bug with indirect calls. (Test case will be included with
ocaml collector patch.)

llvm-svn: 45316
 2007-12-22 17:27:01 +00:00
Anton Korobeynikov
23f5d49909 Unbreak build on gcc 3.x 
llvm-svn: 45315
 2007-12-22 14:27:49 +00:00
Anton Korobeynikov
07c828b637 Unbreak mingw build 
llvm-svn: 45314
 2007-12-22 14:26:49 +00:00
Evan Cheng
c226a1a7d3 Preliminary PIC JIT support for X86 (32-bit) / Darwin. 
llvm-svn: 45313
 2007-12-22 09:40:20 +00:00
Evan Cheng
5b05d625cd Oops. 
llvm-svn: 45312
 2007-12-22 09:14:34 +00:00
Chris Lattner
d64df490ca implement InstCombine/shift-trunc-shift.ll. This allows 
us to compile:
#include <math.h>
int t1(double d) { return signbit(d); }

into:

_t1:
	movd	%xmm0, %rax
	shrq	$63, %rax
	ret

instead of:

_t1:
	movd	%xmm0, %rax
	shrq	$32, %rax
	shrl	$31, %eax
	ret

on x86-64.

llvm-svn: 45311
 2007-12-22 09:07:47 +00:00
Owen Anderson
3fc4fdaa1f Note what still needs doing. 
llvm-svn: 45310
 2007-12-22 04:59:10 +00:00
Owen Anderson
f3765d08f8 Remove critical edge breaking. It won't be necessary as long as we are very careful when inserting copies. 
llvm-svn: 45309
 2007-12-22 04:50:11 +00:00
Evan Cheng
8f4ec948d3 Fix JIT code emission of X86::MovePCtoStack. 
llvm-svn: 45307
 2007-12-22 02:26:46 +00:00
Devang Patel
e035f776e9 If succ has succ itself as one of the predecessors then do 
not merge current bb and succ even if bb's terminator is
unconditional branch to succ.

llvm-svn: 45305
 2007-12-22 01:32:53 +00:00
Evan Cheng
51f51c7572 Allow JIT with non-static relocation model. 
llvm-svn: 45304
 2007-12-22 01:12:14 +00:00
Anton Korobeynikov
913c80d37f Fix silly typo in the FP CEP handling. 
llvm-svn: 45300
 2007-12-21 23:33:44 +00:00
Duncan Sands
99690fb26c Fix a brain fart by our beloved leader (the content 
of this patch is the last line).

llvm-svn: 45289
 2007-12-21 20:18:41 +00:00
Duncan Sands
bc10247769 Get the verifier to check attributes on calls as well 
as on functions.  Make it verify invokes and not just
ordinary calls.  As a (desired) side-effect, it is no
longer legal to have call attributes on arguments that
are being passed to the varargs part of a varargs
function (llvm-as drops them on the floor anyway).

llvm-svn: 45286
 2007-12-21 19:19:01 +00:00
Duncan Sands
85ca85c070 Make DAE not wipe out attributes on calls, and not drop 
return attributes on the floor.  In the case of a call
to a varargs function where the varargs arguments are
being removed, any call attributes on those arguments
need to be dropped.  I didn't do this because I plan to
make it illegal to have such attributes (see next patch).
With this change, compiling the gcc filter2 eh test at -O0
and then running opt -std-compile-opts on it results in
a correctly working program (compiling at -O1 or higher
results in the test failing due to a problem with how we
output eh info into the IR).

llvm-svn: 45285
 2007-12-21 19:16:16 +00:00
Nicolas Geoffray
1996d8b1f4 Fix unintented change from last commit 
llvm-svn: 45282
 2007-12-21 12:22:29 +00:00
Nicolas Geoffray
18ab237446 Enable EH for linux/ppc32 targets 
llvm-svn: 45281
 2007-12-21 12:19:44 +00:00
Evan Cheng
a111629401 New entry. 
llvm-svn: 45280
 2007-12-21 01:31:58 +00:00
Evan Cheng
ec3c87a7ef Add a few more missing gcc builtin's. 
llvm-svn: 45278
 2007-12-21 01:30:39 +00:00
Ted Kremenek
1c1c449a8b Removed scoped_ptr, as its functionality is subsumed by OwningPtr. 
llvm-svn: 45274
 2007-12-21 00:15:29 +00:00