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Author SHA1 Message Date
Chris Lattner
9607c40601 gas accepts xchg <mem>, <reg> as a synonym for xchg <reg>, <mem>. 
Add this to the mc assembler, fixing PR8061


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113346 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-08 04:53:27 +00:00
NAKAMURA Takumi
186acea746 ARM/Disassembler: Fix definitions incompatible(unsigned and uint32_t) to Cygwin-1.5, following up to r113255. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113345 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-08 04:48:17 +00:00
Chris Lattner
a247685b30 fix the encoding of the "jump on *cx" family of instructions, 
rdar://8061602


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113343 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-08 04:30:51 +00:00
Jim Grosbach
4725ca746a remove trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113338 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-08 03:54:02 +00:00
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