oota-llvm.git
14 years agoFinish full attribute class emission for clang.
Sean Hunt [Wed, 18 Aug 2010 23:23:09 +0000 (23:23 +0000)]
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

14 years agoAdd a newline to debug output
Jim Grosbach [Wed, 18 Aug 2010 23:14:02 +0000 (23:14 +0000)]
Add a newline to debug output

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111453 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agorefix PR1143 by making basicaa analyze zexts of indices aggresively,
Chris Lattner [Wed, 18 Aug 2010 23:09:49 +0000 (23:09 +0000)]
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

14 years agoIf any def of a machine-sink candidate has local uses, it's obviously not safe to...
Evan Cheng [Wed, 18 Aug 2010 23:09:25 +0000 (23:09 +0000)]
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

14 years agoGetLinearExpression is only called when TD is non-null, pass as
Chris Lattner [Wed, 18 Aug 2010 22:52:09 +0000 (22:52 +0000)]
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

14 years agorework GEP decomposition to make a new VariableGEPIndex struct instead of
Chris Lattner [Wed, 18 Aug 2010 22:47:56 +0000 (22:47 +0000)]
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

14 years agoEnable ARM base register reuse to local stack slot allocation. Whenever a new
Jim Grosbach [Wed, 18 Aug 2010 22:44:49 +0000 (22:44 +0000)]
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

14 years agoAdd a testcase to verify that commands don't crash when they hit
Dan Gohman [Wed, 18 Aug 2010 22:35:56 +0000 (22:35 +0000)]
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

14 years agoMake raw_fd_ostream consider itself the owner of STDOUT_FILENO when
Dan Gohman [Wed, 18 Aug 2010 22:26:19 +0000 (22:26 +0000)]
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

14 years agoWhen sending stats output to stdout for grepping, don't emit normal
Dan Gohman [Wed, 18 Aug 2010 22:22:44 +0000 (22:22 +0000)]
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

14 years agomove gep decomposition out of ValueTracking into BasicAA. The form of
Chris Lattner [Wed, 18 Aug 2010 22:07:29 +0000 (22:07 +0000)]
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

14 years agoTidy.
Dan Gohman [Wed, 18 Aug 2010 22:04:43 +0000 (22:04 +0000)]
Tidy.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111432 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoMinor simplification. Gets rid of a needless temporary.
Bill Wendling [Wed, 18 Aug 2010 21:32:07 +0000 (21:32 +0000)]
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

14 years agoUse ConstantRange to propagate information through value definitions.
Owen Anderson [Wed, 18 Aug 2010 21:11:37 +0000 (21:11 +0000)]
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

14 years agoWhen sending stats output to stdout for grepping, don't emit normal
Dan Gohman [Wed, 18 Aug 2010 20:32:46 +0000 (20:32 +0000)]
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

14 years agoThinking about it, we don't need MachineDominatorTree after all. The DomValue
Jakob Stoklund Olesen [Wed, 18 Aug 2010 20:29:53 +0000 (20:29 +0000)]
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

14 years agoIntroduce a ScopedFatalErrorHandler class to make it easy to register
Dan Gohman [Wed, 18 Aug 2010 20:16:39 +0000 (20:16 +0000)]
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

14 years agoRevert r111394. It was too aggressive.
Jakob Stoklund Olesen [Wed, 18 Aug 2010 20:06:05 +0000 (20:06 +0000)]
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

14 years agoAggressively prune the DFS when inserting phi-defs.
Jakob Stoklund Olesen [Wed, 18 Aug 2010 19:00:11 +0000 (19:00 +0000)]
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

14 years agoAdd the LiveIntervalMap class. Don't hook it up yet.
Jakob Stoklund Olesen [Wed, 18 Aug 2010 19:00:08 +0000 (19:00 +0000)]
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

14 years agoAdd df_iterator::getPathLength and getPath as a way of getting a path from the
Jakob Stoklund Olesen [Wed, 18 Aug 2010 19:00:05 +0000 (19:00 +0000)]
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

14 years agoRevert r111375, "move gep decomposition out of ValueTracking into BasicAA. The
Daniel Dunbar [Wed, 18 Aug 2010 18:43:08 +0000 (18:43 +0000)]
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

14 years agoImprove whitespace.
Bill Wendling [Wed, 18 Aug 2010 18:41:13 +0000 (18:41 +0000)]
Improve whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111384 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoMarked with ATTRIBUTE_USED so that clang doesn't complain.
Bill Wendling [Wed, 18 Aug 2010 18:40:57 +0000 (18:40 +0000)]
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

14 years agoInform LazyValueInfo whenever a block is deleted, to avoid dangling pointer issues.
Owen Anderson [Wed, 18 Aug 2010 18:39:01 +0000 (18:39 +0000)]
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

14 years agoMC/ELF: Allow null values in virtual sections, ELF doesn't use special
Daniel Dunbar [Wed, 18 Aug 2010 18:22:37 +0000 (18:22 +0000)]
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

14 years agomove gep decomposition out of ValueTracking into BasicAA. The form of
Chris Lattner [Wed, 18 Aug 2010 18:22:17 +0000 (18:22 +0000)]
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

14 years agoAdd hook for re-using virtual base registers for local stack slot access.
Jim Grosbach [Wed, 18 Aug 2010 17:57:37 +0000 (17:57 +0000)]
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

14 years agoEliminate some redundancy by relying on raw_fd_ostream to handle "-"
Dan Gohman [Wed, 18 Aug 2010 17:55:15 +0000 (17:55 +0000)]
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

14 years agoAllow the -analyze option to follow the -o option, which defaults to
Dan Gohman [Wed, 18 Aug 2010 17:42:59 +0000 (17:42 +0000)]
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

14 years agoDon't translate "-" to outs() manually; raw_ostream does that automatically.
Dan Gohman [Wed, 18 Aug 2010 17:40:10 +0000 (17:40 +0000)]
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

14 years agoDon't translate "-" to outs() manually; raw_ostream does that
Dan Gohman [Wed, 18 Aug 2010 17:26:50 +0000 (17:26 +0000)]
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

14 years agoDon't register stdout to be deleted on a signal.
Dan Gohman [Wed, 18 Aug 2010 17:21:42 +0000 (17:21 +0000)]
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

14 years agoRemove an unused command-line option.
Dan Gohman [Wed, 18 Aug 2010 17:20:51 +0000 (17:20 +0000)]
Remove an unused command-line option.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111367 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoPreserve subregs on PHI source operands. Patch by Krister Wombell!
Jakob Stoklund Olesen [Wed, 18 Aug 2010 16:09:47 +0000 (16:09 +0000)]
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

14 years agoFix a bug with insertelement on SPU.
Kalle Raiskila [Wed, 18 Aug 2010 10:20:29 +0000 (10:20 +0000)]
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

14 years agoRemove all traces of v2[i,f]32 on SPU.
Kalle Raiskila [Wed, 18 Aug 2010 10:04:39 +0000 (10:04 +0000)]
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

14 years agoChange SPU C calling convention to match that described in
Kalle Raiskila [Wed, 18 Aug 2010 09:50:30 +0000 (09:50 +0000)]
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

14 years agofix a buggy test
Chris Lattner [Wed, 18 Aug 2010 04:55:12 +0000 (04:55 +0000)]
fix a buggy test

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111354 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agofix PR7589: In brief:
Chris Lattner [Wed, 18 Aug 2010 04:28:19 +0000 (04:28 +0000)]
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

14 years agofilecheckize and detrivialize.
Chris Lattner [Wed, 18 Aug 2010 04:25:43 +0000 (04:25 +0000)]
filecheckize and detrivialize.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111350 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix PR7755: knowing something about an inval for a pred
Chris Lattner [Wed, 18 Aug 2010 03:14:36 +0000 (03:14 +0000)]
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

14 years agofit in 80 cols
Chris Lattner [Wed, 18 Aug 2010 03:13:35 +0000 (03:13 +0000)]
fit in 80 cols

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111348 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoremove some dead code.
Chris Lattner [Wed, 18 Aug 2010 02:42:11 +0000 (02:42 +0000)]
remove some dead code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111345 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoremove some dead code.
Chris Lattner [Wed, 18 Aug 2010 02:41:56 +0000 (02:41 +0000)]
remove some dead code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111344 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoremove some code that is dead now that lea's are modeled with segment registers.
Chris Lattner [Wed, 18 Aug 2010 02:40:44 +0000 (02:40 +0000)]
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

14 years agoremove dead prototype.
Chris Lattner [Wed, 18 Aug 2010 02:37:06 +0000 (02:37 +0000)]
remove dead prototype.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111342 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoExpand ZERO_EXTEND operations for NEON vector types.
Bob Wilson [Wed, 18 Aug 2010 01:45:52 +0000 (01:45 +0000)]
Expand ZERO_EXTEND operations for NEON vector types.
Testcase from Nick Lewycky.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111341 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix the "Finished Creating" messages for aliases to print the
Dan Gohman [Wed, 18 Aug 2010 01:35:53 +0000 (01:35 +0000)]
Fix the "Finished Creating" messages for aliases to print the
right name.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111340 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRevert r111321. This doesn't fix a problem.
Dan Gohman [Wed, 18 Aug 2010 01:34:52 +0000 (01:34 +0000)]
Revert r111321. This doesn't fix a problem.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111339 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agostomp some more undefined behavior, PR7775.
Chris Lattner [Wed, 18 Aug 2010 00:33:47 +0000 (00:33 +0000)]
stomp some more undefined behavior, PR7775.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111337 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agodon't emit zero bit fields with Emit, fixing undefined behavior,
Chris Lattner [Wed, 18 Aug 2010 00:29:18 +0000 (00:29 +0000)]
don't emit zero bit fields with Emit, fixing undefined behavior,
PR7778

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111336 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoDon't pass in a null pointer to std::string's ctor, an empty string
Chris Lattner [Wed, 18 Aug 2010 00:11:25 +0000 (00:11 +0000)]
Don't pass in a null pointer to std::string's ctor, an empty string
ref should produce an empty std::string.  This fixes PR7879.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111332 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agofix a broken link
Chris Lattner [Tue, 17 Aug 2010 23:26:04 +0000 (23:26 +0000)]
fix a broken link

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111326 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoinclude config.h to get config params, hopefully unbreaking mingw builder.
Chris Lattner [Tue, 17 Aug 2010 23:22:10 +0000 (23:22 +0000)]
include config.h to get config params, hopefully unbreaking mingw builder.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111325 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix the rest of rdar://8318441 which happens when a raw_fd_ostream
Chris Lattner [Tue, 17 Aug 2010 23:11:56 +0000 (23:11 +0000)]
Fix the rest of rdar://8318441 which happens when a raw_fd_ostream
(e.g. errs()) fails in close() due to (e.g.) a broken pipe.  As
previously written, the had_error() flag would get set and then
the raw_ostream dtor would report a fatal error.  There is nothing
the client can do about this and we have no way to report the error,
so just eat it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111321 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoreport_fatal_error can't use errs(), because errs() can call
Chris Lattner [Tue, 17 Aug 2010 23:03:53 +0000 (23:03 +0000)]
report_fatal_error can't use errs(), because errs() can call
into report_fatal_error.  Just blast the string to stderr with write(2)
and hope for the best!  Part of rdar://8318441

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111320 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoTemporarily revert r110987 as it's causing some miscompares in
Eric Christopher [Tue, 17 Aug 2010 22:55:27 +0000 (22:55 +0000)]
Temporarily revert r110987 as it's causing some miscompares in
vector heavy code.  I'll re-enable when we've tracked down the problem.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111318 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoTweak IVUsers' concept of "interesting" to exclude add recurrences
Dan Gohman [Tue, 17 Aug 2010 22:50:37 +0000 (22:50 +0000)]
Tweak IVUsers' concept of "interesting" to exclude add recurrences
where the step value is an induction variable from an outer loop, to
avoid trouble trying to re-expand such expressions. This effectively
hides such expressions from indvars and lsr, which prevents them
from getting into trouble.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111317 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd materialization of virtual base registers for frame indices allocated into
Jim Grosbach [Tue, 17 Aug 2010 22:41:55 +0000 (22:41 +0000)]
Add materialization of virtual base registers for frame indices allocated into
the local block. Resolve references to those indices to a new base register.
For simplification and testing purposes, a new virtual base register is
allocated for each frame index being resolved. The result is truly horrible,
but correct, code that's good for exercising the new code paths.

Next up is adding thumb1 support, which should be very simple. Following that
will be adding base register re-use and implementing a reasonable ARM
heuristic for when a virtual base register should be generated at all.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111315 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd nounwind.
Evan Cheng [Tue, 17 Aug 2010 22:35:20 +0000 (22:35 +0000)]
Add nounwind.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111312 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoCrashRecovery: Clear the current context on the first crash, to avoid re-entering...
Daniel Dunbar [Tue, 17 Aug 2010 22:32:39 +0000 (22:32 +0000)]
CrashRecovery: Clear the current context on the first crash, to avoid re-entering it if the cleanup code crashes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111309 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoCrashRecovery: Add CrashRecoveryContext::GetCurrent(), so clients can find the active...
Daniel Dunbar [Tue, 17 Aug 2010 22:32:37 +0000 (22:32 +0000)]
CrashRecovery: Add CrashRecoveryContext::GetCurrent(), so clients can find the active context from anywhere.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111308 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoCrashRecovery: Make CrashRecoveryContext static methods thread safe.
Daniel Dunbar [Tue, 17 Aug 2010 22:32:34 +0000 (22:32 +0000)]
CrashRecovery: Make CrashRecoveryContext static methods thread safe.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111307 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoMake fast scheduler handle asm clobbers correctly.
Dale Johannesen [Tue, 17 Aug 2010 22:17:24 +0000 (22:17 +0000)]
Make fast scheduler handle asm clobbers correctly.
PR 7882.  Follows suggestion by Amaury Pouly, thanks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111306 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRevert part of one of the prev. patches - tailjmp will follow later.
Anton Korobeynikov [Tue, 17 Aug 2010 21:08:28 +0000 (21:08 +0000)]
Revert part of one of the prev. patches - tailjmp will follow later.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111291 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoMore fixes for win64:
Anton Korobeynikov [Tue, 17 Aug 2010 21:06:07 +0000 (21:06 +0000)]
More fixes for win64:
  - Do not clobber al during variadic calls, this is AMD64 ABI-only feature
  - Emit wincall64, where necessary
Patch by Cameron Esfahani!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111289 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoEnable more win64 calls folding opportunities.
Anton Korobeynikov [Tue, 17 Aug 2010 21:06:01 +0000 (21:06 +0000)]
Enable more win64 calls folding opportunities.
Patch by Cameron Esfahani!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111288 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd some win64 coff goodness.
Anton Korobeynikov [Tue, 17 Aug 2010 21:05:54 +0000 (21:05 +0000)]
Add some win64 coff goodness.
Patch by Cameron Esfahani!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111287 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoPHI elimination shouldn't require machineloopinfo since it's used at -O0. Move the...
Evan Cheng [Tue, 17 Aug 2010 21:00:37 +0000 (21:00 +0000)]
PHI elimination shouldn't require machineloopinfo since it's used at -O0. Move the requirement to LiveIntervalAnalysis instead. Note this does not change the number of times machineloopinfo is computed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111285 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoMachine CSE preserves CFG. Pass manager was freeing machineloopinfo after machine...
Evan Cheng [Tue, 17 Aug 2010 20:57:42 +0000 (20:57 +0000)]
Machine CSE preserves CFG. Pass manager was freeing machineloopinfo after machine cse before.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111281 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoDon't call tablegen'ed Predicate_* functions in the ARM target.
Jakob Stoklund Olesen [Tue, 17 Aug 2010 20:39:04 +0000 (20:39 +0000)]
Don't call tablegen'ed Predicate_* functions in the ARM target.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111277 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agosilence warning
Jim Grosbach [Tue, 17 Aug 2010 20:21:30 +0000 (20:21 +0000)]
silence warning

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111274 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRemove dead code. Fixes a GCC warning.
Benjamin Kramer [Tue, 17 Aug 2010 19:45:05 +0000 (19:45 +0000)]
Remove dead code. Fixes a GCC warning.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111271 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoThis patch enables "make unittests" on enable-shared/mingw.
Anton Korobeynikov [Tue, 17 Aug 2010 19:34:40 +0000 (19:34 +0000)]
This patch enables "make unittests" on enable-shared/mingw.
Patch by Takumi Nakamura!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111270 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoThis patch enables ENABLE_SHARED=1 to build DLL based LLVM toolchain on MingW & Cygwin.
Anton Korobeynikov [Tue, 17 Aug 2010 19:03:03 +0000 (19:03 +0000)]
This patch enables ENABLE_SHARED=1 to build DLL based LLVM toolchain on MingW & Cygwin.
Patch by Takumi Nakamura!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111268 91177308-0d34-0410-b5e6-96231b3b80d8

14 years ago80 column cleanup.
Jim Grosbach [Tue, 17 Aug 2010 18:39:16 +0000 (18:39 +0000)]
80 column cleanup.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111266 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoSketch i386 relocations handling, from Roman Divacky.
Benjamin Kramer [Tue, 17 Aug 2010 18:20:28 +0000 (18:20 +0000)]
Sketch i386 relocations handling, from Roman Divacky.

Hello world builds & runs now on i386/ELF with -integrated-as.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111264 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoDon't call Predicate_* methods directly from Sparc target.
Jakob Stoklund Olesen [Tue, 17 Aug 2010 18:17:12 +0000 (18:17 +0000)]
Don't call Predicate_* methods directly from Sparc target.
Modernize predicates a bit.

The Predicate_* methods are not used by TableGen any longer. They are only
emitted for the sake of legacy code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111263 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd hook to examine an instruction referencing a frame index to determine
Jim Grosbach [Tue, 17 Aug 2010 18:13:53 +0000 (18:13 +0000)]
Add hook to examine an instruction referencing a frame index to determine
whether to allocate a virtual frame base register to resolve the frame
index reference in it. Implement a simple version for ARM to aid debugging.

In LocalStackSlotAllocation, scan the function for frame index references
to local frame indices and ask the target whether to allocate virtual
frame base registers for any it encounters. Purely infrastructural for
debug output. Next step is to actually allocate base registers, then add
intelligent re-use of them.

rdar://8277890

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111262 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoexplicitly handle no-op cases for clarity. Fixes clang warning.
Jim Grosbach [Tue, 17 Aug 2010 18:00:41 +0000 (18:00 +0000)]
explicitly handle no-op cases for clarity. Fixes clang warning.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111260 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoUse the correct entry size for relocation entries, from Roman Divacky.
Benjamin Kramer [Tue, 17 Aug 2010 17:56:13 +0000 (17:56 +0000)]
Use the correct entry size for relocation entries, from Roman Divacky.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111259 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoMove the decision logic whether it's a good idea to split a critical edge to clients...
Evan Cheng [Tue, 17 Aug 2010 17:43:50 +0000 (17:43 +0000)]
Move the decision logic whether it's a good idea to split a critical edge to clients. Also fixed an erroneous check. An edge is only a back edge when the from and to blocks are in the same loop.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111256 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoWhen rotating loops, put the original header at the bottom of the
Dan Gohman [Tue, 17 Aug 2010 17:39:21 +0000 (17:39 +0000)]
When rotating loops, put the original header at the bottom of the
loop, making the resulting loop significantly less ugly.  Also, zap
its trivial PHI nodes, since it's easy.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111255 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoremove trailing whitespace
Jim Grosbach [Tue, 17 Aug 2010 17:37:22 +0000 (17:37 +0000)]
remove trailing whitespace

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111254 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoDifferentiate between RELA and REL relocations, from Roman Divacky.
Benjamin Kramer [Tue, 17 Aug 2010 17:30:07 +0000 (17:30 +0000)]
Differentiate between RELA and REL relocations, from Roman Divacky.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111252 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoChange ARM PKHTB and PKHBT instructions to use a shift_imm operand to avoid
Bob Wilson [Tue, 17 Aug 2010 17:23:19 +0000 (17:23 +0000)]
Change ARM PKHTB and PKHBT instructions to use a shift_imm operand to avoid
printing "lsl #0".  This fixes the remaining parts of pr7792.  Make
corresponding changes for encoding/decoding these instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111251 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix debug message.
Evan Cheng [Tue, 17 Aug 2010 17:15:14 +0000 (17:15 +0000)]
Fix debug message.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111250 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoadd some  's to a pre to avoid newlines being eaten
Chris Lattner [Tue, 17 Aug 2010 17:13:42 +0000 (17:13 +0000)]
add some  's to a pre to avoid newlines being eaten
and the formatting being thrown off.  I admit to not knowing
what is going on here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111249 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoUse the getUniquePredecessor() utility function, instead of doing
Dan Gohman [Tue, 17 Aug 2010 17:07:02 +0000 (17:07 +0000)]
Use the getUniquePredecessor() utility function, instead of doing
what it does manually.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111248 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoOne baby step towards i386 ELF, from Roman Divacky.
Benjamin Kramer [Tue, 17 Aug 2010 17:02:29 +0000 (17:02 +0000)]
One baby step towards i386 ELF, from Roman Divacky.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111247 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agofix emacs language spec's, patch by Edmund Grimley-Evans!
Chris Lattner [Tue, 17 Aug 2010 16:20:04 +0000 (16:20 +0000)]
fix emacs language spec's, patch by Edmund Grimley-Evans!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111241 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoWhen creating a JIT, try to load the program so that we can resolve symbols
Nick Lewycky [Tue, 17 Aug 2010 16:19:18 +0000 (16:19 +0000)]
When creating a JIT, try to load the program so that we can resolve symbols
against it. This affects Windows.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111240 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRevert r111230, we have to find a better place for the host-specific code.
Benjamin Kramer [Tue, 17 Aug 2010 15:50:23 +0000 (15:50 +0000)]
Revert r111230, we have to find a better place for the host-specific code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111232 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix failure of unittests/ExecutionEngine/JIT/MultiJITTest.cpp on
Chris Lattner [Tue, 17 Aug 2010 15:42:43 +0000 (15:42 +0000)]
Fix failure of unittests/ExecutionEngine/JIT/MultiJITTest.cpp on
cygwin when built with ENABLE_SHARED=1.  Patch by NAKAMURA Takumi!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111231 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoMicro-optimize MCObjectWriter to do a byteswap if necessary and then write the
Benjamin Kramer [Tue, 17 Aug 2010 13:55:45 +0000 (13:55 +0000)]
Micro-optimize MCObjectWriter to do a byteswap if necessary and then write the
whole integer to the stream instead of doing byte-sized writes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111230 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoThere is this new "LLVM" compiler that supports __builtin_bswap but thinks it's gcc...
Benjamin Kramer [Tue, 17 Aug 2010 11:45:38 +0000 (11:45 +0000)]
There is this new "LLVM" compiler that supports __builtin_bswap but thinks it's gcc 4.2.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111228 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAllow more cases of undef shuffle indices and add tests for them.
Bob Wilson [Tue, 17 Aug 2010 05:54:34 +0000 (05:54 +0000)]
Allow more cases of undef shuffle indices and add tests for them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111226 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd an option to disable codegen prepare critical edge splitting. In theory, PHI...
Evan Cheng [Tue, 17 Aug 2010 01:34:49 +0000 (01:34 +0000)]
Add an option to disable codegen prepare critical edge splitting. In theory, PHI elimination is already doing all (most?) of the splitting needed. But machine-licm and machine-sink seem to miss some important optimizations when splitting is disabled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111224 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix typo.
Eric Christopher [Tue, 17 Aug 2010 01:30:33 +0000 (01:30 +0000)]
Fix typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111223 91177308-0d34-0410-b5e6-96231b3b80d8