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Author SHA1 Message Date
Dan Gohman
72eb300715 Add a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109435 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 21:05:37 +00:00
Bruno Cardoso Lopes
3c45734274 Temporary hack to let codegen assert or generate poor code in case 
we are using AVX and no AVX version of the desired intruction is present,
this is better for incremental dev (without fallbacks it's easier to spot
what's missing). Not sure this is the best hack thought (we can also disable
all HasSSE* predicates by dinamically marking them 'false' if AVX is present)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109434 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 21:01:18 +00:00
Owen Anderson
c2b13f919d Testing some more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109433 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 20:51:45 +00:00
Owen Anderson
1f707c3b8c Test some more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109431 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 20:19:04 +00:00
Dan Gohman
6b156a3175 Fix library build messages. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109430 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 20:15:47 +00:00
Dan Gohman
168bd9cdda Add svn:ignore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109429 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 20:11:39 +00:00
Gabor Greif
05006e2813 re-commit r109220, the compile error has already been fixed 
Simplifying use_iterators by dereferencing
is not a good idea. The codebase does not depend
in this any more, and it may introduce hidden
runtime cost. If you get compile errors, please
dereference your iterator before passing to cast<>
(and friends).

Also: please consider caching the result of
operator* and reusing that instead of dereferencing
many times.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109425 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 18:48:07 +00:00
Owen Anderson
cfa7fb6df5 Add an initial implementation of LazyValueInfo updating for JumpThreading. Disabled for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109424 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 18:48:03 +00:00
Anton Korobeynikov
b5a0ef99f8 Currently EH lowering code expects typeinfo to be global only. 
This assumption is not satisfied due to global mergeing.
Workaround the issue by temporary disablinge mergeing of const globals.
Also, ignore LLVM "special" globals. This fixes PR7716

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109423 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 18:45:39 +00:00
Owen Anderson
88dafec7f9 Fix a test with malformed IR. Not sure why this didn't fail before. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109422 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 18:44:56 +00:00
Evan Cheng
0944795b8c ARM fastisel isn't ready. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109421 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 18:32:55 +00:00
Owen Anderson
12ba98858c One more test commit... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109420 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 18:31:17 +00:00
Dan Gohman
6ebfd72f37 Fix SCEVExpander::visitAddRecExpr so that it remembers the induction variable 
it inserted rather than using LoopInfo::getCanonicalInductionVariable to
rediscover it, since that doesn't work on non-canonical loops. This fixes
infinite recurrsion on such loops; PR7562.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109419 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 18:28:14 +00:00
Dan Gohman
7da5d3fc65 Handle Values with no value in getCopyFromRegs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109415 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 18:15:41 +00:00
Owen Anderson
d805bcbb06 Hopefully the last test commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109414 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 18:13:21 +00:00
Dan Gohman
052f000158 Remove LCSSA's bogus dependence on LoopSimplify and LoopSimplify's bogus 
dependence on DominanceFrontier. Instead, add an explicit DominanceFrontier
pass in StandardPasses.h to ensure that it gets scheduled at the right
time.

Declare that loop unrolling preserves ScalarEvolution, and shuffle some
getAnalysisUsages.

This eliminates one LoopSimplify and one LCCSA run in the standard
compile opts sequence.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109413 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 18:11:16 +00:00
Dan Gohman
572365ec88 Preserve ScalarEvolution in the loop unroller. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109412 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 18:02:06 +00:00
Owen Anderson
3d0c7231fd Another test commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109411 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 18:00:59 +00:00
Dan Gohman
38d49ad083 Avoid depending on LCSSA implicitly pulling in LoopSimplify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109410 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 18:00:43 +00:00
Owen Anderson
f5b057c1f0 Test commit for new post-commit hooks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109409 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 17:56:42 +00:00
Dan Gohman
b08ba8824e Fix (at least) quadratic worst-case complexity in DominanceFrontier::splitBlock: 
don't visit all blocks in the function, and don't iterate over the split blocks'
predecessor lists for each block visited.

Also, remove the special-case test for the entry block. Splitting the entry
block isn't common enough to make this worthwhile.

This fixes a major compile-time bottleneck which is exposed now that
LoopSimplify isn't being redundantly run both before and after
DominanceFrontier.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109408 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 17:55:15 +00:00
Eric Christopher
ecfa079206 80-col. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109407 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 17:53:07 +00:00
Dan Gohman
d2d975233d Avoid copying and recopying a std::set. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109405 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 17:45:33 +00:00
Dan Gohman
e96a6fe351 Exit a search loop when the search goal is found. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109404 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 17:41:45 +00:00
Dan Gohman
1deeaa6467 Fix formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109403 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 17:39:33 +00:00
Dan Gohman
ce0fe5da0d A block dominates itself, by definition. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109402 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 17:38:15 +00:00
Dan Gohman
b7aa26bbdb Use DominatorTree::properlyDominates instead of dominates with an 
explicit inequality check.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109401 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 17:37:36 +00:00
Dan Gohman
cb6816dc81 A block dominates itself, by definition. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109400 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 17:35:32 +00:00
Dan Gohman
a29dbd2dcc Use DominatorTree::properlyDominates instead of dominates with an 
explicit inequality check.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109398 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 17:34:05 +00:00
Dan Gohman
d8939a8225 Add an svn:ignore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109394 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 16:01:15 +00:00
Duncan Sands
b3893b193b Pacify gcc-4.5 which wrongly thinks that RExcess (passed as the Excess parameter) 
may be used uninitialized in the callers of HighRegPressure.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109393 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 07:54:17 +00:00
Douglas Gregor
fd2878c8d0 Fix format-specifier warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109391 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 03:55:44 +00:00
Michael J. Spencer
933304ef0c MC: Fix whitespace error from last commit. 
A Visual C++ extension that removes trailing new lines? Seriously?

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109390 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 03:01:28 +00:00
Michael J. Spencer
801a359116 MC: Add WinCOFFObjectWriter implementation. 
Origonal Windows COFF implementation by Nathan Jedffords.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109389 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 02:17:32 +00:00
Lang Hames
6f4e4df100 Factored out a bit of common code to mark VNInfos for deletion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109388 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 01:49:41 +00:00
Rafael Espindola
84ae206c97 Clone and restore the module being reduced in 
ReduceMiscompilingFunctions::TestFuncs. This makes the test functional
(i.e., no side effects).

Before we would end up using dead functions if a pass decided to remove them
(inline for example) and we would also keep broken functions and conclude that
that a single function was enough to reproduce the bug.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109387 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 00:07:51 +00:00
Benjamin Kramer
82d5baec32 Reduce string trashing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109386 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-25 23:18:32 +00:00
Nick Lewycky
47c424226f Don't pass -export-dynamic to the linker on Cygwin and MinGW. These platforms 
accept the flag and do nothing but warn about it, cleverly bypassing our
configure-based detection system. Patch by Takumi Nakamura!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109385 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-25 22:33:04 +00:00
Evan Cheng
e28ed16d25 Add comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109383 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-25 18:59:43 +00:00
Douglas Gregor
037b5e4128 Remove extraneous semicolon 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109373 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-25 17:34:42 +00:00
Douglas Gregor
1984d98376 Unbreak CMake build 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109372 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-25 17:10:14 +00:00
Bob Wilson
3f92f73970 Fix crashes when scheduling a CopyToReg node -- getMachineOpcode asserts on 
those.  Radar 8231572.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109367 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-25 05:34:27 +00:00
Eli Friedman
83b4a97060 Revert r109361; it's impossible to write a call with an argument with an 
invalid type.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109365 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-24 23:06:59 +00:00
Rafael Espindola
b30cdd830b Revert unintended white space change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109364 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-24 23:05:45 +00:00
Rafael Espindola
97595eb05c Fix a trivial use after free. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109363 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-24 23:02:11 +00:00
Eli Friedman
13f03f0006 Minor simplification. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109362 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-24 23:00:59 +00:00
Eli Friedman
568463b556 Make the ll parser check that arguments have valid types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109361 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-24 23:00:26 +00:00
Eli Friedman
327f4e4ab2 PR7704: A function is not allowed to return a function; make sure to enforce 
this consistently.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109360 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-24 22:58:04 +00:00
Anton Korobeynikov
cec36f4c11 Hook in GlobalMerge pass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109359 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-24 21:52:08 +00:00
Nick Lewycky
de4e94a18c Revert this because we can't clone cyclic MDNodes which are creating during a 
build of llvm-gcc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109355 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-24 20:54:02 +00:00