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Author SHA1 Message Date
Jim Grosbach
707fb648d2 remove obsolete comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113337 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-08 03:51:44 +00:00
Jim Grosbach
e1e6d18786 disable for the moment while tracking down a few Thumb2-O0 failure that look 
related. (attempt deux, complete w/ test update this time)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113333 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-08 02:00:34 +00:00
Jim Grosbach
8b95dfe2b6 woops. need to update a test along with this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113332 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-08 01:49:09 +00:00
Jim Grosbach
8a076eb79d disable temporarily while sorting out a few test failures in Thumb2-O0 tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113331 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-08 01:47:49 +00:00
Dan Gohman
65924111bf Add a new experimental generalized dependence query interface to 
AliasAnalysis, and some code for implementing the new query on top of
existing implementations by making standard alias and getModRefInfo
queries.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113329 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-08 01:32:20 +00:00
Jim Grosbach
0cfcf93c95 correct spill code to properly determine if dynamic stack realignment is 
present in the function and thus whether aligned load/store instructions can
be used.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113323 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-08 00:26:59 +00:00
Jim Grosbach
72db182438 VFP/NEON load/store multiple instructions are addrmode4, not 5. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113322 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-08 00:25:50 +00:00
Owen Anderson
e9f1882406 Add a separate unrolling threshold when the current function is being optimized for size. 
The threshold value of 50 is arbitrary, and I chose it simply by analogy to the inlining thresholds, where
the baseline unrolling threshold is slightly smaller than the baseline inlining threshold.  This could
undoubtedly use some tuning.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113306 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 23:15:30 +00:00
John McCall
8c35936583 Add documentation for llvm-diff. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113303 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 23:10:21 +00:00
Jakob Stoklund Olesen
6b964cd211 Don't add <imp-def> operands during register rewriting. 
LiveIntervals already adds <imp-def> operands for super-registers when a subreg
def defines the whole register. Thus, it is not necessary to do it again when
rewriting.

In fact, the super-register imp-defs caused miscompilations because the late
scheduler couldn't see that the super-register was read.

We still add super-reg <imp-use,kill> operands when rewriting virtuals to
physicals.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113299 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 22:38:45 +00:00
Jim Grosbach
447e7ac913 To shrink a t2LDM instruction to the 16-bit wide tLDM instruction, the base 
register must be one of the destination registers for the load. Otherwise,
the tLDM instruction will write-back to the base register, which isn't what's
desired (otherwise, we'd have a t2LDM_UPD instead).

rdar://8394087



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113297 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 22:30:53 +00:00
Devang Patel
af3c8024b1 remove these tests for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113293 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 22:03:44 +00:00
Jim Grosbach
e2f70d1724 grammar tweak 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113289 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 21:30:25 +00:00
Bill Wendling
7f6d62aaf9 Remove untrue comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113287 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 21:07:59 +00:00
Bruno Cardoso Lopes
90462b4ae1 Factor out some x86 vector shuffle rewriting and add comments about the direction the shuffle lowering is heading to 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113286 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 21:03:14 +00:00
Devang Patel
1dde7c257a There is no need to force target if the test is going to run on other x86 platforms. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113285 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 20:59:09 +00:00
Owen Anderson
2da497902a Remove dead code. ManagedCleanup is unused, and contained a serious bug in that 
the provided cleanup function is never actually called.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113284 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 20:53:39 +00:00
Owen Anderson
381f17ee7c Fix PR7972, in which the PassRegistry was being leaked. As part of this, 
switch to using a ManagedStatic for the global PassRegistry instead of a
ManagedCleanup, and fix a destruction ordering bug this exposed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113283 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 20:48:10 +00:00
Stuart Hastings
a830f2c4ea Typo. Thanks to BillW for pointing it out! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113281 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 20:39:07 +00:00
Dan Gohman
fa6cb8d821 Tidy up the getModRefInfo declarations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113275 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 20:37:47 +00:00
Bruno Cardoso Lopes
0d1340b181 Move code around to prepare for moving some of the logic together to another function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113267 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 20:20:27 +00:00
Owen Anderson
c88c11d607 Properly initialize the pImpl member of PassRegistry to zero. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113264 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 20:13:48 +00:00
Owen Anderson
a4b06f7c55 Add doxygen comments for PassRegistry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113262 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 20:04:26 +00:00
Bill Wendling
d8dd5757e0 Add an MVT::x86mmx type. It will take the place of all current MMX vector types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113261 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 20:03:56 +00:00
Chris Lattner
979ed44feb Fix a serious performance regression introduced by r108687 on linux: 
turning (fptrunc (sqrt (fpext x))) -> (sqrtf x)  is great, but we have
to delete the original sqrt as well.  Not doing so causes us to do 
two sqrt's when building with -fmath-errno (the default on linux).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113260 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 20:01:38 +00:00
Evan Cheng
dc0b06c815 Remove a dead comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113259 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 20:01:10 +00:00
Chris Lattner
01f37870b5 rename test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113257 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 19:57:06 +00:00
Chris Lattner
6cd5db41f7 hopefully fix a problem building on cygwin-1.5 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113255 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 19:50:53 +00:00
Owen Anderson
6bcd3a0265 Clean up some of the PassRegistry implementation, and pImpl-ize it to reduce #include clutter 
and exposing internal details.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113252 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 19:16:25 +00:00
Bill Wendling
72d1027d87 Fix whitespace, because I'm OCD. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113250 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 18:49:14 +00:00
Stuart Hastings
af58e8d560 Test case for r113248. Raar 8361341. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113249 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 18:43:57 +00:00
Bruno Cardoso Lopes
58277b17c3 decouple MMX check from regular splat checks. Some refactoring is coming, and MMX should be left alone to be easily removed after moving to intrinsics 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113247 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 18:41:45 +00:00
Bruno Cardoso Lopes
673bf78bb5 Remove now useless check, because the code can be matched below, no need to leave it for isel 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113242 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 18:29:03 +00:00
Dan Gohman
b52d44a0e6 Issue a #error if the host doesn't have an implementation for 
GetMainExecutable yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113240 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 18:26:49 +00:00
Bruno Cardoso Lopes
67fc1e76d4 Minor change. Since the checks are equivalent, use isMMX 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113239 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 18:24:00 +00:00
Devang Patel
49be606954 Fix command line used to link these test cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113237 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 18:17:56 +00:00
Nick Lewycky
de2e4ac0a6 Update configure for change to autoconf/configure.ac to add PTX backend. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113236 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 18:14:42 +00:00
Nick Lewycky
f7a3c50183 Create PTX backend. Patch by Che-Liang Chiou! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113235 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 18:14:24 +00:00
Dale Johannesen
86097c384f Add patterns for MMX that use the new intrinsics. 
Enable palignr intrinsic.
These may need adjustment for a new VT in due course.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113233 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 18:10:56 +00:00
Devang Patel
fa7f82ce5c Reintroduce dbg-declare tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113232 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 18:01:49 +00:00
Bruno Cardoso Lopes
70e81f1517 Remove unused target specific node 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113224 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 17:38:55 +00:00
Devang Patel
1fa4a97624 Remove last three tests. I need to make them independent of my setup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113213 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 17:08:57 +00:00
Devang Patel
85b0258e64 Add a test case to check handling of dbg-declare during hybrid mode where we begin using fast-isel but switch back to DAG building at some point. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113210 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 17:03:44 +00:00
Devang Patel
5a0f9bf63e Add a test case to check handling of dbg-declare by selection DAG builder. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113209 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 16:56:35 +00:00
Devang Patel
db44c12b85 Add a test case to check handling of dbg-declare by fast-isel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113208 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 16:40:53 +00:00
Benjamin Kramer
aceeb3a4e2 Don't leak the old operand when transforming "sldt" into "sldtw". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113200 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 14:40:58 +00:00
Chris Lattner
32c685cb67 attempt to appease msvc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113198 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 06:10:48 +00:00
Gabor Greif
e53ee3b112 fix comment typos 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113197 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 06:06:06 +00:00
Nick Lewycky
198381e542 Add completely hokey binary-and and binary-or operations to ConstantRange and 
teach LazyValueInfo to use them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113196 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 05:39:02 +00:00
Nick Lewycky
2b6c01b40b Fix major bug in thunk detection. Also verify the calling convention. 
Switch from isWeakForLinker to mayBeOverridden which is more accurate.

Add more statistics and debugging info. Add comments. Move static function
outside anonymous namespace.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113190 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 01:42:10 +00:00