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Author SHA1 Message Date
Dan Gohman 132a9946bf Fix llvm-ld to clean up its output files in case of an error. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99915 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-30 19:56:41 +00:00
Dan Gohman 00ad278500 Make llvm-ld remove its output files in the event of an error. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99719 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-27 16:49:51 +00:00
Dan Gohman a5d0501b59 Give FileRemover a default constructor to allow FileRemovers to be created 
and initialized separately.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99717 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-27 16:39:56 +00:00
Dan Gohman 92f5fccb4d No need to check the same condition twice. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99716 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-27 16:36:08 +00:00
Dan Gohman 60a6e1f461 Add a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99715 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-27 16:34:32 +00:00
Dan Gohman f65f294c99 Remove an unnecessary #include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99714 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-27 16:33:36 +00:00
Dan Gohman 0d91c11925 Minor grammar and html fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99644 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-26 19:51:14 +00:00
Dan Gohman 525bf8ee8e Tell "the rest of the story" about LLVM's iterators' implicit conversions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99642 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-26 19:39:05 +00:00
Dan Gohman a7a33fd95f Fix SmallVector's insert to handle non-random-access iterators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99633 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-26 18:53:37 +00:00
Dan Gohman 449f31cb9d Ignore debug intrinsics in yet more places. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99580 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-26 00:33:27 +00:00
Dan Gohman 6a4824c466 Docuemntation corrections from John Myers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99454 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-25 00:03:04 +00:00
Dan Gohman 51ecc389a9 Trim #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99416 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-24 19:56:17 +00:00
Dan Gohman 16e02097d2 Fix minor style issues. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99414 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-24 19:38:02 +00:00
Dan Gohman 34b96f4fb3 It's not necessary to call raw_ostream::close explicitly on automatic 
raw_ostream variables immediately before they go out of scope.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99413 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-24 19:00:02 +00:00
Dan Gohman 0f920e55fc Remove the ConvertActions table and associated code, which is unused. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99372 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-24 00:53:38 +00:00
Dan Gohman 92d7b35bd0 Fix coding style. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99362 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-24 00:27:49 +00:00
Dan Gohman 66617633e7 Generalize findNearestCommonDominator to work on post-dominators, 
based on a suggestion by Jochen Wilhelmy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99361 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-24 00:22:24 +00:00
Dan Gohman bc7a902713 Revert 99335. getTypeToExpandTo's iterative behavior is actually 
needed here.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99339 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-23 22:44:42 +00:00
Dan Gohman 349074896f Remove getTypeToExpandTo, since it isn't adding much value 
beyond just calling getTypeToTransformTo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99335 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-23 22:15:31 +00:00
Dan Gohman e059ee832c Don't back past debug info intrinsics; SCEVExpander's strategy 
for ignoring debug info intrinsics everywhere else is to advance
past them, and it needs to be consistent.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99332 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-23 21:53:22 +00:00
Dan Gohman 50fc9f319e llc doesn't need LinkAllVMCore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99186 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-22 16:59:44 +00:00
Dan Gohman 472fdf7090 Clear the SCEVExpander's insertion point after making deletions, 
so that the SCEVExpander doesn't retain a dangling pointer as its
insert position. The dangling pointer in this case wasn't ever used
to insert new instructions, but it was causing trouble with
SCEVExpander's code for automatically advancing its insert position
past debug intrinsics.

This fixes use-after-free errors that valgrind noticed in
test/Transforms/IndVarSimplify/2007-06-06-DeleteDanglesPtr.ll and
test/Transforms/IndVarSimplify/exit_value_tests.ll.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99036 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-20 03:53:53 +00:00
Dan Gohman 6c7ed6b549 Fix more places to more thoroughly ignore debug intrinsics. This fixes 
use-before-def errors in SCEVExpander-produced code in sqlite3 when debug
info with optimization is enabled, though the testcases for this are
dependent on use-list order.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99001 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-19 21:51:03 +00:00
Dan Gohman debbef20ee offsetof always has type size_t. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98854 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-18 19:37:35 +00:00
Dan Gohman 40b037ef61 Simplify this code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98853 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-18 19:34:33 +00:00
Dan Gohman aea1b501ce Explicitly cast std::min's arguments to avoid type mismatches. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98851 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-18 19:01:12 +00:00
Dan Gohman 9553188fcc Define placement new wrappers for BumpPtrAllocator and 
RecyclingAllocator to allow client code to be simpler, and
simplify several clients.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98847 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-18 18:49:47 +00:00
Dan Gohman 5ffc72e7ce Make this test more lenient; with SmallVector now using actually 
aligned storage, the capacity may be more than what is explicitly
requested.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98846 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-18 18:47:50 +00:00
Dan Gohman 74cdc75313 Fix a bug found by inspection; in the __GNUC__ code, the alignment 
doesn't apply to the type, only to the variable, so subsequent uses
of U which expect it to be aligned weren't actually aligned.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98843 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-18 18:40:47 +00:00
Dan Gohman 1584390e55 Add explicit braces to avoid ambiguous ‘else’. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98838 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-18 18:07:13 +00:00
Dan Gohman c93b4cff89 Add the ability to "intern" FoldingSetNodeID data into a 
BumpPtrAllocator-allocated region to allow it to be stored in a more
compact form and to avoid the need for a non-trivial destructor call.

Use this new mechanism in ScalarEvolution instead of
FastFoldingSetNode to avoid leaking memory in the case where a
FoldingSetNodeID uses heap storage, and to reduce overall memory
usage.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98829 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-18 16:16:38 +00:00
Dan Gohman f9e64729af Reapply r98755 with a thinko which miscompiled gengtype fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98793 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-18 01:17:13 +00:00
Dan Gohman ebf78f18df Revert 98755, which may be causing trouble. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98762 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-17 19:54:53 +00:00
Dan Gohman 0afc29c3e6 Change SCEVNAryExpr's operand array from a SmallVector to a plain 
pointer and length, and allocate the arrays in ScalarEvolution's
BumpPtrAllocator, so that they get released when their owning
SCEV gets released. SCEVs are immutable, so they don't need to worry
about operand array resizing. This fixes a memory leak reported
in PR6637.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98755 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-17 18:51:01 +00:00
Dan Gohman eb2693ebc0 Add an rdar number to this test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98654 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-16 19:08:20 +00:00
Dan Gohman 1bbf72b069 Recognize code for doing vector gather/scatter index calculations with 
32-bit indices. Instead of shuffling each element out of the index vector,
when all indices are needed, just store the input vector to the stack and
load the elements out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98588 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-15 23:23:03 +00:00
Dan Gohman a257095ebb Remove getWidenVectorType, which is no longer used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98289 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-11 21:39:57 +00:00
Dan Gohman 8f78e3c87d Fix another bitwidth calculation to handle vector types; based on a 
patch by Micah Villmow for PR6572.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98188 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 21:04:53 +00:00
Dan Gohman bbf81d8811 Add a DominatorTree argument to isLCSSA so that it doesn't have to 
compute a set of reachable blocks for itself each time it is called, which
is fairly frequently.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98179 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 19:38:49 +00:00
Dan Gohman 0891d752a6 Constant-fold GEP-of-GEP into a single GEP. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98178 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 19:31:51 +00:00
Dan Gohman a77338476f Fix whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98173 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 19:00:54 +00:00
Dan Gohman 2d0a91cd6c Fix a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98122 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 02:18:48 +00:00
Dan Gohman 9f116aa3b1 Clarify the documentation for MachineFunctionPasses. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98119 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 01:29:39 +00:00
Dan Gohman 4ecbca558f Avoid analyzing instructions in blocks not reachable from the entry block. 
They are lots of trouble, and they don't matter. This fixes PR6559.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98103 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 23:46:50 +00:00
Dan Gohman 81d0c36d22 Don't try to fold V_SET0 and V_SETALLONES to loads in medium and 
large code models.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98042 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 03:01:40 +00:00
Dan Gohman 19b3826d0f Attempt to make this debug output meaningful, both in the case of 
multibyte opcodes and in the case of multiple scopes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98036 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 02:15:05 +00:00
Dan Gohman cbac7f1630 Make isLCSSA ignore uses in blocks not reachable from the entry block, 
as LCSSA no longer transforms such uses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98033 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 01:53:33 +00:00
Dan Gohman 8f03d75161 Print the correct index in the "match failed at index" message. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98013 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 00:07:36 +00:00
Dan Gohman 0fa9d1d901 Reapply r97778 and r97779, enabled only for unsigned i64 to f64 
conversions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97854 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-06 00:00:55 +00:00
Dan Gohman b6b343d77a Revert r97778 and r97779. They're somehow breaking llvm-gcc builds. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97781 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 02:40:23 +00:00
Dan Gohman 808ab341b4 Fix these constants to be more portable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97779 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 02:13:10 +00:00
Dan Gohman cfa7ca1997 Rewrite i64-to-f64 conversion using an algorithm which handles 
rounding correctly. This implementation is a generalization of
the x86_64 code in compiler-rt.

This fixes rdar://7683708.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97778 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 02:00:46 +00:00
Dan Gohman 0ef701e6ae Fix recognition of 16-bit bswap for C front-ends which emit the 
clobber registers in a different order.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97741 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-04 19:58:08 +00:00
Dan Gohman ba72b0c4e1 Fix a typo Duncan noticed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97735 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-04 19:11:28 +00:00
Dan Gohman 6900a39d28 Fix more code to work properly with vector operands. Based on 
a patch my Micah Villmow for PR6465.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97692 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-04 00:23:16 +00:00
Dan Gohman 319dfa3fb3 Revert 97667. It broke a bunch of tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97673 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-03 22:40:03 +00:00
Dan Gohman a72d2a210c Fix a bug in SelectionDAG's ReplaceAllUsesWith in the case where 
CSE and recursive RAUW calls delete a node from the use list,
invalidating the use list iterator. There's currently no known
way to reproduce this in an unmodified LLVM, however there's no
fundamental reason why a SelectionDAG couldn't be formed which
would trigger this case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97665 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-03 21:33:37 +00:00
Dan Gohman 087bd1e3a1 Make SCEVExpander and LSR more aggressive about hoisting expressions out 
of loops.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97642 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-03 05:29:13 +00:00
Dan Gohman ed78dbafd0 Revert r97580; that's not the right way to fix this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97639 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-03 04:36:42 +00:00
Dan Gohman c4f7ec85ec When expanding an expression such as (A + B + C + D), sort the operands 
by loop depth and emit loop-invariant subexpressions outside of loops.
This speeds up MultiSource/Applications/viterbi and others.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97580 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 19:32:21 +00:00
Dan Gohman 5b870aff81 Fix several places to handle vector operands properly. 
Based on a patch by Micah Villmow for PR6438.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97538 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 02:14:38 +00:00
Dan Gohman 069d6f3396 Non-affine post-inc SCEV expansions have more code which must be 
emitted after the increment. Make sure the insert position
reflects this. This fixes PR6453.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97537 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 01:59:21 +00:00
Dan Gohman a9445e11c5 Floating-point add, sub, and mul are now spelled fadd, fsub, and fmul, 
respectively.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97531 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 01:11:08 +00:00
Dan Gohman fbbee8d7f9 PerformTailCallOpt was renamed to GuaranteedTailCallOpt to 
better reflect its meaning, now that tail call optimizations
are done by default in some cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97530 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 01:08:11 +00:00
Dan Gohman d44f16fce7 Make llc opt into the addPassesToEmitFile verify pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97502 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 21:45:21 +00:00
Dan Gohman 042919c0c5 Fix optimization of ISD::TRUNCATE on vector operands. Based on a patch 
by Micah Villmow for PR6335.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97461 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:59:21 +00:00
Dan Gohman ce931c65ee Add explicit keywords. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97460 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:56:46 +00:00
Dan Gohman 7cbf5a803e Add a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97459 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:56:04 +00:00
Dan Gohman c5e49c64d1 Add some debug output to LoopSimplify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97458 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:55:27 +00:00
Dan Gohman c235a0c388 Add the alignstack keyword. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97457 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:53:39 +00:00
Dan Gohman 3a9fd8064a LLVM instruction syntax doesn't have trailing semicolons. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97456 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:53:15 +00:00
Dan Gohman c11e29a883 svn:ignore fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97455 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:52:16 +00:00
Dan Gohman 85f1968138 Spelling fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97454 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:51:02 +00:00
Dan Gohman 3f46a3abee Spelling fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97453 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:49:51 +00:00
Dan Gohman 67d9bf9dc4 Whitespace cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97452 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:47:21 +00:00
Dan Gohman 2516d0d7b1 Use Doxygen comment syntax. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97451 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:45:15 +00:00
Dan Gohman 85e9601862 This is now done. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97450 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:43:57 +00:00
Dan Gohman 52fd7da295 Fix a missing newline in debug output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97449 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:42:55 +00:00
Dan Gohman fd6f338ab1 Prune #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97448 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:42:17 +00:00
Dan Gohman b55a1ee36c Fix spelling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97447 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:41:39 +00:00
Dan Gohman 16b77211cf Don't print "Modified" for passes which haven't modified anything. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97446 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:34:28 +00:00
Dan Gohman 6ac33b4533 Don't try to replace physical registers when doing CSE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97360 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-28 01:33:43 +00:00
Dan Gohman 8772f5041c Add a flag to addPassesToEmit* to disable the Verifier pass run 
after LSR, so that clients can opt in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97357 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-28 00:41:59 +00:00
Dan Gohman 874cadaf21 Implement XMM subregs. 
Extracting the low element of a vector is now done with EXTRACT_SUBREG,
and the zero-extension performed by load movss is now modeled with
SUBREG_TO_REG, and so on.

Register-to-register movss and movsd are no longer considered copies;
they are two-address instructions which insert a scalar into a vector.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97354 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-28 00:17:42 +00:00
Dan Gohman a363a9b71a Don't unconditionally suppress hoisting of instructions with implicit 
defs or uses. The regular def and use checking below covers them, and
can be more precise. It's safe to hoist an instruction with a dead
implicit def if the register isn't live into the loop header.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97352 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-28 00:08:44 +00:00
Dan Gohman 53a50e2546 Add nounwinds. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97349 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-27 23:53:53 +00:00
Dan Gohman bc9d98b52d The mayHaveSideEffects flag is no longer used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97348 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-27 23:47:46 +00:00
Dan Gohman f34ff01a7a Fix grammaro in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97273 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 21:45:37 +00:00
Dan Gohman d68a9fe9b1 Use the right svn:keywords value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97271 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 21:39:02 +00:00
Dan Gohman 7b14fc211c Add Revision keywords to these files, as it's common for them to be 
copied out of the source tree.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97270 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 21:38:04 +00:00
Dan Gohman d30103dd36 Improve the vim code for highlighting trailing whitespace and lines 
longer than 80 columns. This replaces the heavy-handed "textwidth"
mechanism, and makes the trailing-whitespace highlighting lazy so
that it isn't constantly jumping on the user during typing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97267 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 21:24:46 +00:00
Dan Gohman 79073e3ea0 Add the alignstack keyword. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97264 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 21:16:17 +00:00
Dan Gohman 77c8ff906a Remove bogus Updated line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97263 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 21:15:49 +00:00
Dan Gohman 621a415c01 Fix typos in comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97257 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 20:18:32 +00:00
Dan Gohman 0f83c6267e Delete empty directories. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97256 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 20:16:58 +00:00
Dan Gohman 6fe0df2abb movl is a cheaper way to materialize 0 without clobbering EFLAGS than movabsq. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97227 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 16:49:27 +00:00
Dan Gohman 8ff4b439dd Fix a typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97206 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 02:15:17 +00:00
Dan Gohman e13709af60 Delete a bunch of redundant predicates. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97201 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 01:14:30 +00:00
Dan Gohman cf0c9bc162 Fix a few more typos. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97182 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 23:51:27 +00:00
Dan Gohman abbf7cb7a9 Fix a typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97181 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 23:41:41 +00:00