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Author SHA1 Message Date
Bill Wendling
68ac27094d Fix the JIT bindings for ocaml. 
llvm-svn: 70454
 2009-04-30 00:43:39 +00:00
Chris Lattner
25991c4e7d remove progname which is never set. PR4085 
llvm-svn: 70453
 2009-04-30 00:24:33 +00:00
Bill Wendling
4df71cd268 Error out with bad optimization level specified. 
llvm-svn: 70449
 2009-04-29 23:46:43 +00:00
Bill Wendling
6e33661382 Remove LTO optimization level. 
llvm-svn: 70445
 2009-04-29 23:40:42 +00:00
Bill Wendling
40a162f75f Instead of passing in an unsigned value for the optimization level, use an enum, 
which better identifies what the optimization is doing. And is more flexible for
future uses.

llvm-svn: 70440
 2009-04-29 23:29:43 +00:00
Bill Wendling
3f4c6171d1 Add support for a character after a command line option. Like '-Os'. 
llvm-svn: 70437
 2009-04-29 23:26:16 +00:00
Dale Johannesen
be38eaf1d4 Print correct instruction in dump. 
llvm-svn: 70427
 2009-04-29 22:57:20 +00:00
Nate Begeman
b407809122 Fix infinite recursion in the C++ code which handles movddup by making it unnecessary. 
llvm-svn: 70425
 2009-04-29 22:47:44 +00:00
Dan Gohman
63bab48951 Implement getSCEVAtScope for SCEV cast expressions. 
llvm-svn: 70422
 2009-04-29 22:29:01 +00:00
Dan Gohman
06aff30f01 Generalize the cast-of-addrec folding to handle folding of SCEVs like 
(sext i8 {-128,+,1} to i64) to i64 {-128,+,1}, where the iteration
crosses from negative to positive, but is still safe if the trip
count is within range.

llvm-svn: 70421
 2009-04-29 22:28:28 +00:00
Dan Gohman
8b1b8d5891 Reword and tidy up some comments. 
llvm-svn: 70416
 2009-04-29 22:01:05 +00:00
Bill Wendling
e02f6210ab Don't use 'false' for 'fast isel' here. 
llvm-svn: 70411
 2009-04-29 21:22:00 +00:00
Dan Gohman
9fa631c81a Fix this test to match the new output from scalar-evolution. 
llvm-svn: 70410
 2009-04-29 21:06:20 +00:00
Jakob Stoklund Olesen
0bfaaea2a4 MachineInstr::isRegTiedTo{Use,Def}Operand can safely be made const. 
llvm-svn: 70408
 2009-04-29 20:57:16 +00:00
Dan Gohman
55befacc69 Include the source type in SCEV cast expression debug output, and 
print sext, zext, and trunc, instead of signextend, zeroextend,
and truncate, respectively, for consistency with the main IR.

llvm-svn: 70405
 2009-04-29 20:27:52 +00:00
Nate Begeman
e4dd5a96ba Update comment, replace theoretically impossible check with an assert. 
llvm-svn: 70391
 2009-04-29 18:13:31 +00:00
Dale Johannesen
15486ddd95 Fix recent regression in gcc.dg/pr26719.c (6835035). 
llvm-svn: 70386
 2009-04-29 16:38:47 +00:00
Sanjiv Gupta
20d1683822 Add directive to declare external globals. 
llvm-svn: 70379
 2009-04-29 08:23:18 +00:00
Evan Cheng
62fdc300dd spillPhysRegAroundRegDefsUses() may have invalidated iterators stored in fixed_ IntervalPtrs. Reset them. 
llvm-svn: 70378
 2009-04-29 07:16:34 +00:00
Chris Lattner
e0b97f682d testcase for PR4082 
llvm-svn: 70375
 2009-04-29 06:46:27 +00:00
Nate Begeman
414534b3eb Implement review feedback for vector shuffle work. 
llvm-svn: 70372
 2009-04-29 05:20:52 +00:00
Sanjiv Gupta
b1c777e865 Add a public method called getAddressSpace() to the GlobalAddressSDNode. 
llvm-svn: 70366
 2009-04-29 04:43:24 +00:00
Chris Lattner
e1eefefdc3 Disable the load-shrinking optimization from looking at 
anything larger than 64-bits, avoiding a crash.  This should
really be fixed to use APInts, though type legalization happens
to help us out and we get good code on the attached testcase at
least.

This fixes rdar://6836460

llvm-svn: 70360
 2009-04-29 03:45:07 +00:00
Dan Gohman
4f8ccd5bc8 Update comments to reflect the current code. 
llvm-svn: 70357
 2009-04-29 01:54:20 +00:00
Dan Gohman
ed64cdeaa2 Add some more doxygen comments to SCEVAddRec. 
llvm-svn: 70354
 2009-04-29 00:59:03 +00:00
Evan Cheng
51727d25b2 Determine allocation 'preference' with right register class. I haven't seen this changing codegen so no test case. 
llvm-svn: 70351
 2009-04-29 00:42:27 +00:00
Bill Wendling
50971fd69c The second part of the change from -fast to -O#. This changes the JIT to accept 
an optimization level instead of a simple boolean telling it to generate code
"fast" or the other type of "fast".

llvm-svn: 70347
 2009-04-29 00:32:19 +00:00
Bill Wendling
7546bed590 Second attempt: 
Massive check in. This changes the "-fast" flag to "-O#" in llc. If you want to
use the old behavior, the flag is -O0. This change allows for finer-grained
control over which optimizations are run at different -O levels.

Most of this work was pretty mechanical. The majority of the fixes came from
verifying that a "fast" variable wasn't used anymore. The JIT still uses a
"Fast" flag. I'll change the JIT with a follow-up patch.

llvm-svn: 70343
 2009-04-29 00:15:41 +00:00
Bill Wendling
5cbc488785 Correct comment. 
llvm-svn: 70340
 2009-04-29 00:09:22 +00:00
Dan Gohman
346c77f79d As with r70333, give the primary induction variable a use so 
that it can't be trivially eliminated.

llvm-svn: 70334
 2009-04-28 22:05:13 +00:00
Dan Gohman
5bb06cda1e Make this testcase slightly less trivial, so that it doesn't fail 
if indvars happens to optimize away the unused primary induction
variable.

llvm-svn: 70333
 2009-04-28 22:03:26 +00:00
Dan Gohman
211c5de27d Fix a grammaro in a comment. 
llvm-svn: 70331
 2009-04-28 21:54:23 +00:00
Anton Korobeynikov
1799ac4b55 Properly print 'P' modifier on inline asm memory operands. 
This should fix PR3379 and PR4064.
Patch inspired by Edwin Török!

llvm-svn: 70328
 2009-04-28 21:49:33 +00:00
Bob Wilson
6c49824b6f Fix trailing whitespace and 80-col. violations in recent TableGen changes. 
llvm-svn: 70319
 2009-04-28 19:41:44 +00:00
Evan Cheng
46e0ff09e5 Move getMatchingSuperReg() out of coalescer and into TargetRegisterInfo. 
llvm-svn: 70309
 2009-04-28 18:29:27 +00:00
Dale Johannesen
db6d3a77dc Test for llvm-gcc bug fixed by 70301. 
llvm-svn: 70302
 2009-04-28 17:16:30 +00:00
Sanjiv Gupta
19e7fe61ce GlobalValue is always pointer type, so an assert isn't required. 
llvm-svn: 70300
 2009-04-28 16:39:45 +00:00
Stefanus Du Toit
984008e1d7 Fix choice of version of Windows callback to use to consider not only the Visual Studio version, but also the Windows SDK version. 
Patch by Tareq Siraj.

llvm-svn: 70299
 2009-04-28 16:37:58 +00:00
Jakob Stoklund Olesen
6a489c6d7e Don't coalesce a physical register with an incompatible virtual register. 
If the physical register does not belong to the virtual register's regclass,
don't coalesce. The physical register could be an invalid operand for an
instruction using the vreg.

The regclass matching is done after determining the actual subregisters being copied.

llvm-svn: 70298
 2009-04-28 16:34:35 +00:00
Sanjiv Gupta
51c8ca2ca6 Initialized arrays can be in any address space. 
llvm-svn: 70297
 2009-04-28 16:34:20 +00:00
Jakob Stoklund Olesen
26d9b11da5 Move getSubRegisterRegClass from ScheduleDagSDNodesEmit.cpp to a TargetRegisterClass method. 
Also make the method non-asserting. It will return NULL when given an invalid subreg index.

The method is needed by an upcoming patch.

llvm-svn: 70296
 2009-04-28 16:34:09 +00:00
Evan Cheng
754a0d2f9e Fix PR4034. Bug in LiveInterval::join when it's compacting new valno's. 
llvm-svn: 70291
 2009-04-28 06:24:09 +00:00
Jakob Stoklund Olesen
a900530bf2 Initial test commit 
llvm-svn: 70290
 2009-04-28 06:15:00 +00:00
Evan Cheng
8a9736a26c Fix for PR4051. When 2address pass delete an instruction, update kill info when necessary. 
llvm-svn: 70279
 2009-04-28 02:12:36 +00:00
Bill Wendling
ef47ace92f r70270 isn't ready yet. Back this out. Sorry for the noise. 
llvm-svn: 70275
 2009-04-28 01:04:53 +00:00
Bill Wendling
2799e916c3 Massive check in. This changes the "-fast" flag to "-O#" in llc. If you want to 
use the old behavior, the flag is -O0. This change allows for finer-grained
control over which optimizations are run at different -O levels.

Most of this work was pretty mechanical. The majority of the fixes came from
verifying that a "fast" variable wasn't used anymore. The JIT still uses a
"Fast" flag. I'm not 100% sure if it's necessary to change it there...

llvm-svn: 70270
 2009-04-28 00:21:31 +00:00
Dan Gohman
418f294b3b Remove an obsolete comment. 
llvm-svn: 70262
 2009-04-27 22:12:34 +00:00
Dale Johannesen
626b0a32f7 Fix PR 4086, a bug in FP IV elimination. 
llvm-svn: 70247
 2009-04-27 21:03:15 +00:00
Evan Cheng
c315cf24e3 Fix PR4076. Correctly create live interval of physical register with two-address update. 
llvm-svn: 70245
 2009-04-27 20:42:46 +00:00
Dan Gohman
e1a532cb4f Permit ChangeCompareStride to rewrite a comparison when the factor 
between the comparison's iv stride and the candidate stride is
exactly -1.

llvm-svn: 70244
 2009-04-27 20:35:32 +00:00