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Author SHA1 Message Date
Chris Lattner
ac1144c110 rename MAI::PICJumpTableDirective to MAI::GPRel32Directive to 
make it clear what it is, instead of how it is used.

llvm-svn: 94448
 2010-01-25 21:10:10 +00:00
Chris Lattner
ee2163758e pull the non-pic jump table case out of printPICJumpTableEntry 
and MCize the non-pic case.  Now printPICJumpTableEntry really
is just about printing PIC entries.

llvm-svn: 94446
 2010-01-25 21:01:58 +00:00
Chris Lattner
fafb52a75a remove JumpTableDirective, it is always null. 
llvm-svn: 94445
 2010-01-25 20:52:54 +00:00
Chris Lattner
b05aa7f639 no need to implement these. 
llvm-svn: 94443
 2010-01-25 20:37:36 +00:00
Chris Lattner
1e1d7ad2f8 mcize jump table symbol manipulation. 
llvm-svn: 94441
 2010-01-25 19:51:38 +00:00
Chris Lattner
1cd2ba1c3a sink an arm specific method out of asmprinter into the ARMAsmPrinter and 
rename it to avoid shadowing.

llvm-svn: 94440
 2010-01-25 19:39:52 +00:00
Chris Lattner
fc056d77e4 remove dead code: the x86 target never sets usesGlobalOffsetTable, 
even on x86-32/elf which uses a GOT.

llvm-svn: 94439
 2010-01-25 19:23:04 +00:00
Chris Lattner
5f919913e8 wirte up .file and .file to the mc asmparser. 
llvm-svn: 94438
 2010-01-25 19:02:58 +00:00
Chris Lattner
20d89c382c mcstreamerize .file and .file. This also fixes an issue where the 
normal form of .file would fail if the filename had a weird character
in it.

llvm-svn: 94437
 2010-01-25 18:58:59 +00:00
Chris Lattner
4746185ef2 emit ELF .type directives through MCStreamer instead of doing it textually. 
llvm-svn: 94436
 2010-01-25 18:33:40 +00:00
Chris Lattner
7a5c8c15bd add symbol attribute support for the ELF .type directive. 
llvm-svn: 94435
 2010-01-25 18:30:45 +00:00
Bob Wilson
1882fba746 Change Value::getUnderlyingObject to have the MaxLookup value specified as a 
parameter with a default value, instead of just hardcoding it in the
implementation.  The limit of MaxLookup = 6 was introduced in r69151 to fix
a performance problem with O(n^2) behavior in instcombine, but the scalarrepl
pass is relying on getUnderlyingObject to go all the way back to an AllocaInst.
Making the limit part of the method signature makes it clear that by default
the result is limited and should help avoid similar problems in the future.
This fixes pr6126.

llvm-svn: 94433
 2010-01-25 18:26:54 +00:00
Victor Hernandez
253c09eb8f Revert r94260 until findDbgDeclare() is made more efficient 
llvm-svn: 94432
 2010-01-25 17:52:13 +00:00
Rafael Espindola
575697fd65 Update test for darwin. 
llvm-svn: 94421
 2010-01-25 15:32:10 +00:00
Chris Lattner
30a253067e add a comment 
llvm-svn: 94417
 2010-01-25 07:53:05 +00:00
Chris Lattner
9834b7f300 emit the .size directive for global variables on ELF through 
mcstreamer.

llvm-svn: 94416
 2010-01-25 07:52:13 +00:00
Chris Lattner
2020423588 we removed support for darwin8 tools. 
llvm-svn: 94414
 2010-01-25 07:43:40 +00:00
Chris Lattner
474395e815 all supported target now have aligned common support. 
llvm-svn: 94413
 2010-01-25 07:29:13 +00:00
Chris Lattner
355085f393 Remove support for i386 tiger tools for aligned common symbols. 
Previously we would just silently miscompile code that used aligned
common's, now at least you'll get a build error.  tiger-ppc already
triggered the build error because it didn't have a version of this
logic.

llvm-svn: 94412
 2010-01-25 07:26:17 +00:00
Chris Lattner
3db729e661 don't set value to its default. 
llvm-svn: 94411
 2010-01-25 07:23:14 +00:00
Chris Lattner
0b42d3ef45 coff targets support alignment on .comm 
llvm-svn: 94410
 2010-01-25 07:20:44 +00:00
Jim Grosbach
4f713bf0fb ARM does accept the .comm directive alignment. 
llvm-svn: 94408
 2010-01-25 04:59:07 +00:00
Eric Christopher
0f43b92584 Fix autoconf llvm srcdir location for generic projects. 
Patch by Torvald Riegel!

llvm-svn: 94405
 2010-01-25 04:10:28 +00:00
Rafael Espindola
82a8b3efd4 Fix PR6134. 
We are not emitting alignments on Darwin for "bar". Not sure what is the
correct way to do it.

llvm-svn: 94400
 2010-01-25 02:27:39 +00:00
Daniel Dunbar
c1df55e99c Attempt to unbreak test on Linux. Chris, please check. 
llvm-svn: 94399
 2010-01-25 00:54:13 +00:00
Daniel Dunbar
003c6aca1c This example requires RTTI. 
llvm-svn: 94398
 2010-01-25 00:45:01 +00:00
Chris Lattner
e04db98cdd linux/ppc does use alignment in bytes, not pow-2. This fixes PR6129. 
It looks like linux/arm and linux/mips have the same setting, which 
are probably wrong.  Someone who cares about ARM and MIPS should 
investigate with the testcase in PR6129.

llvm-svn: 94381
 2010-01-24 20:54:45 +00:00
Chris Lattner
bf8495a08e don't reset the default. 
llvm-svn: 94380
 2010-01-24 20:53:12 +00:00
Chris Lattner
5a57121631 make -fno-rtti the default unless a directory builds with REQUIRES_RTTI. 
llvm-svn: 94378
 2010-01-24 20:43:08 +00:00
Chris Lattner
397d34f06b mark some libraries that currently require RTTI. 
llvm-svn: 94377
 2010-01-24 20:22:08 +00:00
Chris Lattner
e753847267 libs that need EH need RTTI. 
llvm-svn: 94376
 2010-01-24 20:21:50 +00:00
Chris Lattner
c0335bacb4 ENABLE_EXPENSIVE_CHECKS shouldn't know how rtti is enabled, let REQUIRES_RTTI handle it. 
llvm-svn: 94375
 2010-01-24 20:20:40 +00:00
Chris Lattner
82318209c4 reassociate should do this. 
llvm-svn: 94374
 2010-01-24 20:17:09 +00:00
Chris Lattner
e328ab9a00 add a note. 
llvm-svn: 94373
 2010-01-24 20:01:41 +00:00
Chris Lattner
6fdaf12267 just remove this test, it is not reduced, is not clear what its testing for and 
it is dying due to fragility in the asmprinter .s comments.

llvm-svn: 94372
 2010-01-24 19:23:09 +00:00
Chris Lattner
9cb699ec58 this test has been failing or a long time, just disable it for now to get 
back to green.

llvm-svn: 94371
 2010-01-24 19:13:39 +00:00
Chris Lattner
0dde21dba4 fix some issues where we weren't emitting enough newlines. 
llvm-svn: 94370
 2010-01-24 19:01:06 +00:00
Chris Lattner
c0ac5c1d3b when emitting DIEs, emit the comment on the same line as the directive. 
This fixes FrontendObjC/2009-11-30-Objc-ID.m

llvm-svn: 94369
 2010-01-24 18:54:17 +00:00
Chris Lattner
d9f55b7c3d move PR5945 here. 
llvm-svn: 94350
 2010-01-24 02:27:03 +00:00
Chris Lattner
5d31547fec fix a parsing problem on instructions like: 
movw	$8, (_cost_table_-L97$pb)+66(%eax)

After the parens, we could still have a binop.

llvm-svn: 94345
 2010-01-24 01:07:33 +00:00
Chris Lattner
1e19ffa26d This corrects an error in the type of the Llvm.dispose_context function. 
Patch by James Woodyatt!

llvm-svn: 94343
 2010-01-24 00:25:09 +00:00
Mon P Wang
d4d1cbb72b It seems better to scalarize vectors of size 1 instead of widening them. 
Add support to widen SETCC.

llvm-svn: 94342
 2010-01-24 00:24:43 +00:00
Chris Lattner
91fafbd4e8 change the canonical form of "cond ? -1 : 0" to be 
"sext cond" instead of a select.  This simplifies some instcombine
code, matches the policy for zext (cond ? 1 : 0 -> zext), and allows
us to generate better code for a testcase on ppc.

llvm-svn: 94339
 2010-01-24 00:09:49 +00:00
Mon P Wang
871ea08e40 Improved widening loads by adding support for wider loads if 
the alignment allows.  Fixed a bug where we didn't use a
vector load/store for PR5626.

llvm-svn: 94338
 2010-01-24 00:05:03 +00:00
Chris Lattner
b9e618553f fix a potential overflow issue Eli pointed out. 
llvm-svn: 94336
 2010-01-23 23:31:46 +00:00
Nick Lewycky
f9a681fb61 Speculatively revert r94322 to see if it fixes darwin selfhost buildbot. 
llvm-svn: 94331
 2010-01-23 20:32:12 +00:00
Chris Lattner
b444bc0234 third bug from PR6119: the xor dupe extension allows 
for arbitrary terminators in predecessors, don't assume
it is a conditional or uncond branch.  The testcase shows
an example where they can happen with switches.

llvm-svn: 94323
 2010-01-23 19:21:31 +00:00
Nick Lewycky
8bbb754c7c Teach DAE that even though it can't modify the function signature of an 
externally visible function, it can still find all callers of it and replace
the parameters to a dead argument with undef.

llvm-svn: 94322
 2010-01-23 19:19:34 +00:00
Chris Lattner
7130788ea2 add an early out to ProcessBranchOnXOR to speed it up, 
handle the case when we can infer an input to the xor
from all inputs that agree, instead of going into an
infinite loop.  Another part of PR6199

llvm-svn: 94321
 2010-01-23 19:16:25 +00:00
Chris Lattner
e4391a1adb fix a crash in jump threading, PR6119 
llvm-svn: 94319
 2010-01-23 18:56:07 +00:00