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Author SHA1 Message Date
Chris Lattner
ff26ab2277 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).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45354 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-25 19:06:45 +00:00
Seo Sanghyeon
dc32d19c1c Actually parse q operation in llvm-ar 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45353 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-25 13:53:47 +00:00
Gordon Henriksen
4e20a09b6f Disabling -g for ocaml builds; it's not downwards compatible. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45352 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-25 08:37:43 +00:00
Gordon Henriksen
0e13821c96 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45351 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-25 03:10:07 +00:00
Gordon Henriksen
e1433f24cf 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45350 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-25 02:31:26 +00:00
Gordon Henriksen
27acd3a999 Adjusting verification of "llvm.gc*" intrinsic prototypes to match 
LangRef.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45349 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-25 02:02:10 +00:00
Owen Anderson
f1519e8361 Flesh out the Briggs implementation a little bit more, fix a few FIXMEs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45347 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-24 22:12:23 +00:00
Chris Lattner
ebe807597f add a -backedge-hack llc-beta option to codegenprepare. 
When specified, don't split backedges of single-bb loops.
This helps address PR1877



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45344 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-24 19:32:55 +00:00
Chris Lattner
44cb8efdc1 add a simple hack 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45343 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-24 19:27:46 +00:00
Anton Korobeynikov
97d37260df Cygwin defines uint32_t as unsigned long. Unbreak call to std::min in this case 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45342 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-24 11:16:47 +00:00
Ted Kremenek
ec9e7163b8 Added special support for stripping CRLF characters that may appear in the 
output of nm.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45341 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-24 08:04:39 +00:00
Gordon Henriksen
81361d6a28 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45338 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-23 20:58:16 +00:00
Owen Anderson
99d562d8fc Get rid of an unneeded #include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45337 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-23 20:34:06 +00:00
Gordon Henriksen
15ac8b9e6d Fix some Ocaml GC errors noticed upon review. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45336 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-23 17:10:23 +00:00
Gordon Henriksen
2e855e68d8 C and Ocaml bindings for ExecutionEngine (i.e., the JIT compiler). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45335 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-23 16:59:28 +00:00
Owen Anderson
efbcebc95d Sketch out an implementation of Briggs' copy placement algorithm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45334 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-23 15:37:26 +00:00
Owen Anderson
96fa396039 Add GraphTraits specializations for machine dominators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45333 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-23 15:16:46 +00:00
Gordon Henriksen
74f4dedefb Undo a wrong bit in that last patch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45327 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 23:34:26 +00:00
Gordon Henriksen
0adede059e Document a more robust implementation of performCustomLowering. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45326 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 23:32:32 +00:00
Chris Lattner
52ec375438 fix some warnings. This code needs to be de-tabified :( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45325 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 22:47:03 +00:00
Chris Lattner
d3ada751c3 fix strict-aliasing violation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45324 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 22:45:38 +00:00
Chris Lattner
2ceb2cfa8e initial code for forming an FGETSIGN node. This is disabled until 
legalizer support goes in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45323 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 21:35:38 +00:00
Chris Lattner
d268a497f9 improve support for fgetsign 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45322 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 21:26:52 +00:00
Chris Lattner
b16f55f3c8 Tell TargetLoweringOpt whether it is running before 
or after legalize.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45321 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 20:56:36 +00:00
Chris Lattner
1a3048bb8e Add a new FGETSIGN operation, which defaults to expand on all 
targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45320 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 20:47:56 +00:00
Anton Korobeynikov
d07310af64 Erm, really disable :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45319 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 20:46:24 +00:00
Anton Korobeynikov
144a45eb94 Disable, until we'll really need it 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45318 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 20:41:12 +00:00
Gordon Henriksen
7a653cb24d Fix a partial application typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45317 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 19:41:30 +00:00
Gordon Henriksen
a6c9925087 Use getIntrinsicID instead of looking up intrinsic prototypes. Also 
fixes a bug with indirect calls. (Test case will be included with
ocaml collector patch.)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45316 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 17:27:01 +00:00
Anton Korobeynikov
860b25a611 Unbreak build on gcc 3.x 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45315 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 14:27:49 +00:00
Anton Korobeynikov
64ddbe48e1 Unbreak mingw build 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45314 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 14:26:49 +00:00
Evan Cheng
aabe38bf0c Preliminary PIC JIT support for X86 (32-bit) / Darwin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45313 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 09:40:20 +00:00
Evan Cheng
a9ab846669 Oops. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45312 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 09:14:34 +00:00
Chris Lattner
8999dd3c68 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45311 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 09:07:47 +00:00
Owen Anderson
cae8d8d4be Note what still needs doing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45310 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 04:59:10 +00:00
Owen Anderson
22c43b2988 Remove critical edge breaking. It won't be necessary as long as we are very careful when inserting copies. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45309 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 04:50:11 +00:00
Gordon Henriksen
3b7f7a093a Ignoring generated files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45308 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 04:44:11 +00:00
Evan Cheng
f02ca69951 Fix JIT code emission of X86::MovePCtoStack. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45307 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 02:26:46 +00:00
Devang Patel
01666bf74b 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45305 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 01:32:53 +00:00
Evan Cheng
889ac61113 Allow JIT with non-static relocation model. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45304 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 01:12:14 +00:00
Anton Korobeynikov
dceadaf8df Fix silly typo in the FP CEP handling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45300 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-21 23:33:44 +00:00
Duncan Sands
5819799fa7 Fix a brain fart by our beloved leader (the content 
of this patch is the last line).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45289 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-21 20:18:41 +00:00
Duncan Sands
d9d70395d9 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).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45286 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-21 19:19:01 +00:00
Duncan Sands
110c835039 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).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45285 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-21 19:16:16 +00:00
Nicolas Geoffray
5a6c91a3ec Fix unintented change from last commit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45282 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-21 12:22:29 +00:00
Nicolas Geoffray
616585bbff Enable EH for linux/ppc32 targets 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45281 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-21 12:19:44 +00:00
Evan Cheng
0b0102b172 New entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45280 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-21 01:31:58 +00:00
Evan Cheng
56bf2f8288 Add a few more missing gcc builtin's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45278 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-21 01:30:39 +00:00
Ted Kremenek
48da1edde0 Removed scoped_ptr, as its functionality is subsumed by OwningPtr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45274 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-21 00:15:29 +00:00
Evan Cheng
700a0fba97 Fix JIT encoding for CMPSD as well. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45268 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-20 19:57:09 +00:00