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Author SHA1 Message Date
Owen Anderson
6368119c25 Specify fixed bit in the LDRBT encoding, which allows us to distinguish it from certain USAT16 encodings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137494 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 19:41:29 +00:00
Devang Patel
92a36e6583 Constify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137489 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 18:18:02 +00:00
Chris Lattner
aa175c37d1 fix one reference that slipped through, thanks Eli 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137488 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 18:12:40 +00:00
Owen Anderson
7cdbf086e4 Fix decoding of pre-indexed stores. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137487 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 18:12:39 +00:00
Akira Hatanaka
11abf5bca9 Test case for 137484 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137486 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 18:12:06 +00:00
Devang Patel
cd9f6c53de Use ArrayRef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137485 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 18:10:19 +00:00
Akira Hatanaka
0285e7d1c1 When constant double 0.0 is lowered, make sure 0 is copied directly from an 
integer register to a floating point register. It is not valid to interpret
the value of a floating pointer register as part of a double precision
floating point value after a single precision floating point computational
or move instruction stores its result to the register.

- In the test case, the following code is generated before this patch is
  applied:
mtc1  $zero, $f2    ; unformatted copy to $f2
mov.s $f0, $f2      ; $f0 is in single format
sdc1  $f12, 0($sp)
mov.s $f1, $f2      ; $f1 is in single format
c.eq.d  $f12, $f0   ; $f0 cannot be interpreted as double

- The following code is generated after this patch is applied:
mtc1  $zero, $f0    ; unformatted copy to $f0
mtc1  $zero, $f1    ; unformatted copy to $f1
c.eq.d  $f12, $f0   ; $f0 can be interpreted as double

Bhanu Chetlapalli and Chris Dearman at MIPS technologies reported this bug and
provided the test case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137484 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 18:09:59 +00:00
Chris Lattner
d95f8f6ada add ifdef's to let people easily remove these dead api for testing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137483 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 18:08:19 +00:00
Chris Lattner
1bcbf8582e switch to the new struct api. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137482 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 18:07:26 +00:00
Chris Lattner
c4d0e9fbdd switch to the new struct apis. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137481 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 18:07:07 +00:00
Chris Lattner
3ebb64946b switch to use the new api for structtypes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137480 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 18:06:37 +00:00
Chris Lattner
8dcfc74af4 forward to the correct constructor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137479 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 18:03:30 +00:00
Devang Patel
2e85b1bfa7 Provide fast path as Jakob suggested. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137478 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 18:01:34 +00:00
Owen Anderson
3f3570a38b Separate decoding for STREXD and LDREXD to make each work better. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137476 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 17:58:32 +00:00
Jim Grosbach
7a8729effc Tidy up formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137471 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 17:43:31 +00:00
Chris Lattner
f4bbcaabeb add two missing function impls 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137470 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 17:43:05 +00:00
Chris Lattner
2c38d65fd9 add new accessors to reflect new terminology in struct types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137468 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 17:31:02 +00:00
Nick Lewycky
b2c4eea9d0 Fix bugpoint fallout from the new type system. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137467 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 17:25:45 +00:00
Nadav Rotem
c796ae1d68 Revert r137310 because it does not optimize any code on ToT 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137466 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 17:15:04 +00:00
Jim Grosbach
46c38aff89 Tidy up formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137464 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 17:01:02 +00:00
Chad Rosier
0871221c25 Whitespace and formatting. No functional change intended. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137463 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 16:45:18 +00:00
Duncan Sands
1f6a329f79 Silence a bunch (but not all) "variable written but not read" warnings 
when building with assertions disabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137460 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 14:54:45 +00:00
NAKAMURA Takumi
3c757ef2ef docs/GettingStarted.html: [Git] Add instructions how to generate patchset with Git. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137444 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 07:48:06 +00:00
NAKAMURA Takumi
7a362f4111 docs/GettingStarted.html: [Git] Mention branch.master.rebase for the tracking branch. 
Thanks to Jeff Yasskin to reword.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137443 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 07:48:01 +00:00
NAKAMURA Takumi
24ad111a05 docs/GettingStarted.html: [Git] Split the subsubsection for committer's section. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137442 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 07:47:55 +00:00
NAKAMURA Takumi
829ef927cf .gitignore: Ignore /autom4te.cache. We can execute "PATH=/path/to/autotools/bin autoconf/AutoRegen.sh". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137441 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 07:47:50 +00:00
NAKAMURA Takumi
b5bb29c71f docs: Update HTML markup(s). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137433 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 06:17:17 +00:00
NAKAMURA Takumi
3cc8482b06 docs/llvm.css: Introduce <blockquote><pre>. It may be used as blockquoted "doc_code". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137432 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 06:17:11 +00:00
Chris Lattner
823eb1ca11 Fix an obscure bug in PointerUnion that would bite PointerUnion3/4. Basically, 
when checking isNull(), we'd pick off the sentinel bit for the outer 
PointerUnion, but would not recursively convert the inner pointerunion to bool,
so if *its* sentinel bit is set, isNull() would incorrectly return false.

No testcase, because someone hit this when they were trying to refactor code
to use PointerUnion3, but they since found a better solution.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137428 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 04:31:38 +00:00
Eli Friedman
79d7de7650 Misc atomic doc tweaks; reordering operations across Acquire/Release can be beneficial. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137425 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 03:38:32 +00:00
NAKAMURA Takumi
1221139f10 include/llvm/Config/config.h.cmake: Reorder to follow config.h.in, and import stuff from llvm-config.h.cmake and clang/config.h. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137424 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 03:27:54 +00:00
NAKAMURA Takumi
8776fa44d4 CMake: Eliminate unused checks and #undef(s) as below; 
STACK_DIRECTION
YYTEXT_POINTER
HAVE_NAMESPACES
HAVE_STD_ITERATOR
HAVE_FWD_ITERATOR
HAVE_BI_ITERATOR
HAVE_GLOBAL_HASH_MAP
HAVE_GLOBAL_HASH_SET
HAVE_GNU_EXT_HASH_MAP
HAVE_GNU_EXT_HASH_SET
HAVE_STD_EXT_HASH_MAP
HAVE_STD_EXT_HASH_SET

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137423 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 03:27:48 +00:00
Benjamin Kramer
0d46ccfc5c MachOWriter: Don't crash on fixups with arithmetic, emit a relocation instead. This matches what as does. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137414 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 01:51:29 +00:00
NAKAMURA Takumi
b43b09eef5 include/llvm/Config/llvm-config.h: Reorder and reword to follow (generated) config.h.in. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137413 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 01:50:50 +00:00
NAKAMURA Takumi
4362c6225e configure: Update since r136721. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137412 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 01:50:43 +00:00
Eli Friedman
d577a0669b Fix up this paragraph (including a nasty typo). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137408 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 01:26:06 +00:00
Andrew Trick
32a183c84a findDeadCallerSavedReg fix: Missing NULL terminator in register arrays. 
Fix by Ivan Baev. Sorry I don't have a unit test, but the fix is obvious so I don't want to delay it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137404 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 00:49:19 +00:00
Andrew Trick
a1b953b61a Clarify the definition of SequentiallyConsistent operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137403 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 00:36:38 +00:00
Dan Gohman
126a54f1fa Don't convert objc_autoreleaseReturnValue to objc_autorelease if the result 
is returned through a bitcast.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137402 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 00:36:31 +00:00
Nick Lewycky
2fc75d5d60 A virtual destructor for the class with virtual methods! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137400 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 00:32:15 +00:00
Dan Gohman
a7f7db2ebd Don't let arbitrary calls disrupt nested retain+release pairs if 
the retains and releases all use the same SSA pointer value.

Also, don't let CFG hazards disrupt nested retain+release pair
optimizations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137399 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 00:26:31 +00:00
Dan Gohman
d8e48c4821 Use an actual reverse-CFG reverse-postorder for the bottom-up traversal, 
rather than plain postorder, so that CFG constructs like single-exit loops
are reliably visited in a sensible order.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137398 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 00:24:29 +00:00
Jakob Stoklund Olesen
9b7ff12dd1 Simplify the interference checking code a bit. 
This is possible now that we now longer provide an interface to iterate
the interference overlaps.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137397 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 00:22:04 +00:00
Jim Grosbach
29e7b7deb4 Clean up formatting a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137393 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-11 23:57:17 +00:00
Jim Grosbach
857e1a7b3f ARM vector compare to zero instruction assembly parsing support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137389 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-11 23:51:13 +00:00
Eli Friedman
5093fe69b4 Fix mismatched tag. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137388 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-11 23:48:52 +00:00
Eli Friedman
1bf4ad4870 Revision to Atomics guide, per Chris's comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137386 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-11 23:44:25 +00:00
Andrew Trick
30039de2e9 A slew of unit tests for the recent LoopInfo::updateUnloop feature 
checked in at r137276 and r137341.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137385 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-11 23:38:09 +00:00
Andrew Trick
b1831c6640 Allow loop unrolling to get known trip counts from ScalarEvolution. 
SCEV unrolling can unroll loops with arbitrary induction variables. It
is a prerequisite for -disable-iv-rewrite performance. It is also
easily handles loops of arbitrary structure including multiple exits
and is generally more robust.

This is under a temporary option to avoid affecting default
behavior for the next couple of weeks. It is needed so that I can
checkin unit tests for updateUnloop.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137384 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-11 23:36:16 +00:00
Jakob Stoklund Olesen
8facc7def8 Remove the InterferenceResult class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137381 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-11 22:46:06 +00:00