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Author SHA1 Message Date
Sean Hunt
5b38500197 Remove three spurious semicolons 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111480 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-19 00:03:05 +00:00
Jakob Stoklund Olesen
7552a3df39 Don't call Predicate_* in Mips. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111468 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 23:56:46 +00:00
Eric Christopher
d96b02b3d6 Remove extra header. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111456 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 23:38:16 +00:00
Sean Hunt
726a3d284e Finish full attribute class emission for clang. 
For more information, see the accompanying clang patch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111454 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 23:23:09 +00:00
Jim Grosbach
cd799ce8f8 Add a newline to debug output 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111453 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 23:14:02 +00:00
Chris Lattner
2215c607c3 refix PR1143 by making basicaa analyze zexts of indices aggresively, 
which I broke with a recent patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111452 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 23:09:49 +00:00
Evan Cheng
c3439ad63f If any def of a machine-sink candidate has local uses, it's obviously not safe to sink it to a successor block. This bug has been hidden because a later check for critical-edge disable these illegal optimizations. This patch should significantly reduce the amount of time spent on checking dominator information for obviously unsafe sinking. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111450 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 23:09:25 +00:00
Chris Lattner
ff2efb9f9c GetLinearExpression is only called when TD is non-null, pass as 
a reference instead of pointer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111445 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 22:52:09 +00:00
Chris Lattner
8807e9fbdf rework GEP decomposition to make a new VariableGEPIndex struct instead of 
using a pair.  This tidies up the code a bit.  While setting things up, add
a (currently unused) field to keep track of how the value is extended.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111444 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 22:47:56 +00:00
Jim Grosbach
2b1e202e1c Enable ARM base register reuse to local stack slot allocation. Whenever a new 
frame index reference to an object in the local block is seen, check if
it's near enough to any previously allocaated base register to re-use.

rdar://8277890



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111443 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 22:44:49 +00:00
Dan Gohman
e0b313d599 Add a testcase to verify that commands don't crash when they hit 
errors on stderr.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111440 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 22:35:56 +00:00
Dan Gohman
2499990699 Make raw_fd_ostream consider itself the owner of STDOUT_FILENO when 
constructed with an output filename of "-". In particular, allow the
file descriptor to be closed, and close the file descriptor in the
destructor if it hasn't been explicitly closed already, to ensure
that any write errors are detected.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111436 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 22:26:19 +00:00
Dan Gohman
4bb4641784 When sending stats output to stdout for grepping, don't emit normal 
output to standard output also.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111435 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 22:22:44 +00:00
Chris Lattner
30963fbe8f move gep decomposition out of ValueTracking into BasicAA. The form of 
decomposition that it is doing is very basicaa specific and is only used
by basicaa.

Now with less tree breakingness.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111433 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 22:07:29 +00:00
Dan Gohman
d77e5a8176 Tidy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111432 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 22:04:43 +00:00
Bill Wendling
ad422718f9 Minor simplification. Gets rid of a needless temporary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111430 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 21:32:07 +00:00
Owen Anderson
b81fd62a66 Use ConstantRange to propagate information through value definitions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111425 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 21:11:37 +00:00
Dan Gohman
4a8d7db6cf When sending stats output to stdout for grepping, don't emit normal 
output to standard output also.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111401 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 20:32:46 +00:00
Jakob Stoklund Olesen
ff3ae8691c Thinking about it, we don't need MachineDominatorTree after all. The DomValue 
map discovers the iterated dominance frontier for free.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111400 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 20:29:53 +00:00
Dan Gohman
e16068240e Introduce a ScopedFatalErrorHandler class to make it easy to register 
fatal error handlers which automatically get unregistered at the end
of a scope.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111398 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 20:16:39 +00:00
Jakob Stoklund Olesen
cf16bea74e Revert r111394. It was too aggressive. 
We must complete the DFS, otherwise we might miss needed phi-defs, and
prematurely color live ranges with a non-dominating value.

This is not a big deal since we get to color more of the CFG and the next
mapValue call will be faster.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111397 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 20:06:05 +00:00
Jakob Stoklund Olesen
4d440bd786 Aggressively prune the DFS when inserting phi-defs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111394 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 19:00:11 +00:00
Jakob Stoklund Olesen
1407c84242 Add the LiveIntervalMap class. Don't hook it up yet. 
LiveIntervalMap maps values from a parent LiveInterval to a child interval that
is a strict subset. It will create phi-def values as needed to preserve the
VNInfo SSA form in the child interval.

This leads to an algorithm very similar to the one in SSAUpdaterImpl.h, but with
enough differences that the code can't be reused:

- We don't need to manipulate PHI instructions.
- LiveIntervals have kills.
- We have MachineDominatorTree.
- We can use df_iterator.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111393 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 19:00:08 +00:00
Jakob Stoklund Olesen
6709c7bcda Add df_iterator::getPathLength and getPath as a way of getting a path from the 
entry node to the current node.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111392 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 19:00:05 +00:00
Daniel Dunbar
4ae56d725d Revert r111375, "move gep decomposition out of ValueTracking into BasicAA. The 
form of", it doesn't pass tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111385 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 18:43:08 +00:00
Bill Wendling
3d7ff08c82 Improve whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111384 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 18:41:13 +00:00
Bill Wendling
86b98b5874 Marked with ATTRIBUTE_USED so that clang doesn't complain. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111383 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 18:40:57 +00:00
Owen Anderson
00ac77ef88 Inform LazyValueInfo whenever a block is deleted, to avoid dangling pointer issues. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111382 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 18:39:01 +00:00
Daniel Dunbar
c983b20661 MC/ELF: Allow null values in virtual sections, ELF doesn't use special 
directives for putting contents in .bss, for example.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111376 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 18:22:37 +00:00
Chris Lattner
6b63037306 move gep decomposition out of ValueTracking into BasicAA. The form of 
decomposition that it is doing is very basicaa specific and is only used
by basicaa.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111375 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 18:22:17 +00:00
Jim Grosbach
74d803a58c Add hook for re-using virtual base registers for local stack slot access. 
Nothing fancy, just ask the target if any currently available base reg
is in range for the instruction under consideration and use the first one
that is. Placeholder ARM implementation simply returns false for now.

ongoing saga of rdar://8277890



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111374 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 17:57:37 +00:00
Dan Gohman
18cde6df91 Eliminate some redundancy by relying on raw_fd_ostream to handle "-" 
properly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111373 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 17:55:15 +00:00
Dan Gohman
4931b312c0 Allow the -analyze option to follow the -o option, which defaults to 
standard output, instead of just hardcoding outs().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111372 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 17:42:59 +00:00
Dan Gohman
86cbc1bb11 Don't translate "-" to outs() manually; raw_ostream does that automatically. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111371 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 17:40:10 +00:00
Dan Gohman
510cea0f90 Don't translate "-" to outs() manually; raw_ostream does that 
automatically.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111370 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 17:26:50 +00:00
Dan Gohman
ca91912a3b Don't register stdout to be deleted on a signal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111368 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 17:21:42 +00:00
Dan Gohman
0a6ee29aae Remove an unused command-line option. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111367 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 17:20:51 +00:00
Jakob Stoklund Olesen
9ac248848f Preserve subregs on PHI source operands. Patch by Krister Wombell! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111366 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 16:09:47 +00:00
Kalle Raiskila
ca9460f5a0 Fix a bug with insertelement on SPU. 
The previous algorithm in LowerVECTOR_SHUFFLE 
didn't check all requirements for "monotonic" shuffles.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111361 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 10:20:29 +00:00
Kalle Raiskila
86a791284a Remove all traces of v2[i,f]32 on SPU. 
The "half vectors" are now widened to full size by the legalizer.
The only exception is in parameter passing, where half vectors are 
expanded. This causes changes to some dejagnu tests.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111360 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 10:04:39 +00:00
Kalle Raiskila
44ff5f5435 Change SPU C calling convention to match that described in 
"SPU Application Binary Interface Specification, v1.9" by
IBM. 
Specifically: use r3-r74 to pass parameters and the return value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111358 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 09:50:30 +00:00
Chris Lattner
285d06ca93 fix a buggy test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111354 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 04:55:12 +00:00
Chris Lattner
91b2307a89 fix PR7589: In brief: 
gep P, (zext x) != gep P, (sext x)

DecomposeGEPExpression was getting this wrong, confusing
basicaa.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111352 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 04:28:19 +00:00
Chris Lattner
903175096e filecheckize and detrivialize. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111350 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 04:25:43 +00:00
Chris Lattner
2fa7b48eb5 Fix PR7755: knowing something about an inval for a pred 
from the LHS should disable reconsidering that pred on the
RHS.  However, knowing something about the pred on the RHS
shouldn't disable subsequent additions on the RHS from
happening.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111349 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 03:14:36 +00:00
Chris Lattner
c7e31fcf49 fit in 80 cols 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111348 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 03:13:35 +00:00
Chris Lattner
2bde78206d remove some dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111345 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 02:42:11 +00:00
Chris Lattner
473fc96889 remove some dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111344 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 02:41:56 +00:00
Chris Lattner
0d857cf8d1 remove some code that is dead now that lea's are modeled with segment registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111343 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 02:40:44 +00:00
Chris Lattner
3126f1c028 remove dead prototype. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111342 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 02:37:06 +00:00