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f2f57ebc84
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31385 Commits

Author SHA1 Message Date
Dan Gohman
f2f57ebc84 Fix an x86 code size regression: prefer RIP-relative addressing 
over absolute addressing even in non-PIC mode (unless the address
has an index or something else incompatible), because it has a
smaller encoding.

llvm-svn: 79553
 2009-08-20 18:23:44 +00:00
Dan Gohman
c39a6b16eb Add a comment explaining why llvm_unreachable_internal doesn't call 
the ErrorHandler callback.

llvm-svn: 79541
 2009-08-20 17:15:19 +00:00
Daniel Dunbar
9ad4b47cec Fix two APFloat bugs in converting hexadecimal constants. 
llvm-svn: 79540
 2009-08-20 17:12:33 +00:00
Dan Gohman
6ec8176e22 Rename hasNoUnsignedOverflow and hasNoSignedOverflow to hasNoUnsignedWrap 
and hasNoSignedWrap, for consistency with the nuw and nsw properties.

llvm-svn: 79539
 2009-08-20 17:11:38 +00:00
Evan Cheng
86546fb692 Fix an obvious copy-n-paste bug. 
llvm-svn: 79535
 2009-08-20 17:01:04 +00:00
Dan Gohman
d9766dcb85 Various comment and whitespace cleanups. 
llvm-svn: 79533
 2009-08-20 16:42:55 +00:00
Dan Gohman
565d0c0f3b Update and fix some comments. 
llvm-svn: 79532
 2009-08-20 16:27:10 +00:00
Jim Grosbach
0929242f26 Check for shared landing pads when assigning call site values. Invokes which 
share a landing pad should also use the same call site value.

llvm-svn: 79501
 2009-08-20 01:03:48 +00:00
Dale Johannesen
bb3b75a863 Add an extra line to conform with preferred style. 
llvm-svn: 79495
 2009-08-19 23:44:01 +00:00
Reid Kleckner
8bd08ffbf4 Modify an assert to avoid what looks like a GCC 4.2.4 signed-ness bug. 
llvm-svn: 79494
 2009-08-19 23:39:59 +00:00
Dan Gohman
5b725f1a48 Fix a few places to check if TargetData is available before using it. 
llvm-svn: 79493
 2009-08-19 23:38:22 +00:00
Daniel Dunbar
446d29370f Add a fast path for setName("") on an unnamed value. 
llvm-svn: 79492
 2009-08-19 23:37:23 +00:00
Owen Anderson
d0438546ef AttrListPtr operations need to be atomic. 
llvm-svn: 79486
 2009-08-19 22:58:34 +00:00
Dan Gohman
cc511acf87 Fix a bug in the over-index constant folding. When over-indexing an 
array member of a struct, it's possible to land in an arbitrary position
inside that struct, such that attempting to find further getelementptr
indices will fail. In such cases, folding cannot be done.

llvm-svn: 79485
 2009-08-19 22:46:59 +00:00
Dale Johannesen
fc8ee02c25 Handle 'a' modifier in X86 asms. PR 4742. 
llvm-svn: 79484
 2009-08-19 22:44:41 +00:00
Reid Kleckner
cb12d4d677 Fixed error in CPPBackend from a contextification API change. 
llvm-svn: 79483
 2009-08-19 22:38:37 +00:00
David Greene
0658dce9a4 Add missing forward declaration. 
llvm-svn: 79481
 2009-08-19 22:19:44 +00:00
David Greene
a648747919 Add missing includes. 
llvm-svn: 79480
 2009-08-19 22:16:11 +00:00
David Greene
247bd82474 Add missing includes. 
llvm-svn: 79479
 2009-08-19 22:08:26 +00:00
David Greene
e79dd523ab Add missing includes. 
llvm-svn: 79478
 2009-08-19 22:05:21 +00:00
David Greene
270a5f3e14 Add missing includes. 
llvm-svn: 79476
 2009-08-19 22:02:07 +00:00
David Greene
8dfc73dbbf Add missing includes. 
llvm-svn: 79475
 2009-08-19 21:59:18 +00:00
David Greene
1fff843647 Add missing includes. 
llvm-svn: 79474
 2009-08-19 21:55:33 +00:00
David Greene
1df248be05 Add missing includes. 
llvm-svn: 79473
 2009-08-19 21:52:55 +00:00
Owen Anderson
bbc67a90d5 Get rid of a helgrind warning. If this is _actually_ a performance problem, 
we can find a way to cache the answer that isn't racy.

llvm-svn: 79472
 2009-08-19 21:48:34 +00:00
Eli Friedman
fe70446342 Add triple parsing support for TCE. 
llvm-svn: 79461
 2009-08-19 20:46:03 +00:00
Daniel Dunbar
2cf5eb67b4 Switch to SmallString::str from SmallString::c_str, and remove 
SmallString::c_str.

llvm-svn: 79456
 2009-08-19 20:07:03 +00:00
Daniel Dunbar
2411847839 Change ValueSymbolTable to use raw_svector_ostream for string concatenation. 
llvm-svn: 79449
 2009-08-19 19:22:52 +00:00
Daniel Dunbar
115971f6a7 Change raw_svector_ostream to reserve the input buffer if necessary, Ted was 
right.
 - This class turns out to be much more convenient to use if we do this; clients
   can make sure the buffer is always big enough if they care (since our current
   idiom tends to be to use a SmallString<256> for the input to this we should
   generally be avoiding an unnecessary malloc).

Also, add a convenience raw_svector_ostream::str method which flushes the buffer
and returns a StringRef for the vector contents.

llvm-svn: 79446
 2009-08-19 18:40:58 +00:00
Dan Gohman
b19c5b81dd Remove temporary testing code. 
llvm-svn: 79443
 2009-08-19 18:27:08 +00:00
Dan Gohman
e982de2e30 Make SROA and PredicateSimplifier cope if TargetData is not 
available. This is very conservative for now.

llvm-svn: 79442
 2009-08-19 18:22:18 +00:00
Dan Gohman
ba656de4a4 Use hasDefinitiveInitializer() instead of testing the same thing 
by hand, and fix a few places that were using hasInitializer() that
appear to depend on the initializer value.

llvm-svn: 79441
 2009-08-19 18:20:44 +00:00
Dan Gohman
bc59c24278 Canonicalize indices in a constantexpr GEP. If Indices exceed the 
static extents of the static array type, it causes GlobalOpt and
other passes to be more conservative. This canonicalization also
allows the constant folder to add "inbounds" to GEPs.

llvm-svn: 79440
 2009-08-19 18:18:36 +00:00
Dan Gohman
eb6fbd7fd1 Add an x86 peep that narrows TEST instructions to forms that use 
a smaller encoding. These kinds of patterns are very frequent in
sqlite3, for example.

llvm-svn: 79439
 2009-08-19 18:16:17 +00:00
Daniel Dunbar
7c093c9ac4 Switch Twine::str() to use toVector(), which is now efficient. 
llvm-svn: 79437
 2009-08-19 18:09:47 +00:00
David Goodwin
d57f44783c Update Cortex-A8 instruction itineraries for integer instructions. 
llvm-svn: 79436
 2009-08-19 18:00:44 +00:00
Daniel Dunbar
2e2969f9e1 Switch raw_svector_ostream to use the vector as the ostream buffer. 
- This avoids unnecessary malloc/free overhead in the common case, and
   unnecessary copying from the ostream buffer into the output vector.

llvm-svn: 79434
 2009-08-19 17:54:29 +00:00
Owen Anderson
9e0bb1bd44 Reapply my less-lock-contention-in-leak-detector patch, now with new files 
actually added.

llvm-svn: 79429
 2009-08-19 17:07:46 +00:00
Bob Wilson
fae9057bf0 Add support for Neon VEXT (vector extract) shuffles. 
This is derived from a patch by Anton Korzh.  I modified it to recognize
the VEXT shuffles during legalization and lower them to a target-specific
DAG node.

llvm-svn: 79428
 2009-08-19 17:03:43 +00:00
Daniel Dunbar
988ae00460 Speculatively revert r79375, which may be breaking bootstrap, although in a 
rather obscure way (the other candidate is r79377).

llvm-svn: 79426
 2009-08-19 16:25:25 +00:00
David Goodwin
9a605efb84 Use the schedule itinerary operand use/def cycle information to adjust dependence edge latency for post-RA scheduling. 
llvm-svn: 79425
 2009-08-19 16:08:58 +00:00
Eli Friedman
914b41055a PR4737: Fix a nasty bug in load narrowing with non-power-of-two types. 
llvm-svn: 79415
 2009-08-19 08:46:10 +00:00
Nick Lewycky
47bc7e0bd0 Fix up PHI nodes correctly in the presence of unreachable BBs, part two. Also 
delete a newed pointer, and improve readability a little bit.

llvm-svn: 79411
 2009-08-19 07:16:57 +00:00
Chris Lattner
aeed3004c1 fix asmstreaming of 2/4 byte elements with pow-2 alignments. 
llvm-svn: 79408
 2009-08-19 06:35:36 +00:00
Nick Lewycky
ed3dcdbdb8 Be more careful when modifying PHI nodes. Patch by Andre Tavares. 
llvm-svn: 79407
 2009-08-19 06:24:33 +00:00
Chris Lattner
57b873fda0 switch asmprinter to emit alignments through OutStreamer. 
llvm-svn: 79406
 2009-08-19 06:12:02 +00:00
Chris Lattner
9cbc9c2d13 eliminate AsmPrinter::SwitchToSection and just have clients 
talk to the MCStreamer directly instead.

llvm-svn: 79405
 2009-08-19 05:49:37 +00:00
Andreas Neustifter
7cffe838a8 Broke line before break. 
llvm-svn: 79404
 2009-08-19 05:44:39 +00:00
Daniel Dunbar
b606fc6b6c Make a SmallVector size more reasonable. 
llvm-svn: 79403
 2009-08-19 05:08:06 +00:00
Lang Hames
c26fb5727a Added an option to have the PBQP allocator attempt coalescing during allocation. 
llvm-svn: 79397
 2009-08-19 01:36:14 +00:00