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Jakob Stoklund Olesen [Mon, 28 Sep 2009 20:32:46 +0000 (20:32 +0000)]
Use KILL instead of IMPLICIT_DEF in LowerSubregs pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83007
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Jakob Stoklund Olesen [Mon, 28 Sep 2009 20:32:26 +0000 (20:32 +0000)]
Introduce the TargetInstrInfo::KILL machine instruction and get rid of the
unused DECLARE instruction.
KILL is not yet used anywhere, it will replace TargetInstrInfo::IMPLICIT_DEF
in the places where IMPLICIT_DEF is just used to alter liveness of physical
registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83006
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Dan Gohman [Mon, 28 Sep 2009 18:40:27 +0000 (18:40 +0000)]
Add a testcase to help test analysis preservation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83002
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Dan Gohman [Mon, 28 Sep 2009 18:38:53 +0000 (18:38 +0000)]
Create a README.txt for lib/Analysis, and add an entry.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83001
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Devang Patel [Mon, 28 Sep 2009 18:31:56 +0000 (18:31 +0000)]
Remove dead code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82999
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Dan Gohman [Mon, 28 Sep 2009 16:09:41 +0000 (16:09 +0000)]
Use VerifySchedule instead of doing the work manually.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82995
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Dan Gohman [Mon, 28 Sep 2009 15:40:01 +0000 (15:40 +0000)]
Fix this debug output to handle the case where the loop has been deleted.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82994
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Dan Gohman [Mon, 28 Sep 2009 15:07:18 +0000 (15:07 +0000)]
Include the name of the loop header in debug messages.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82993
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Dan Gohman [Mon, 28 Sep 2009 14:38:19 +0000 (14:38 +0000)]
Remove a redundant #ifndef and add an assertion string.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82991
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Dan Gohman [Mon, 28 Sep 2009 14:37:51 +0000 (14:37 +0000)]
Convert LoopSimplify and LoopExtractor from FunctionPass to LoopPass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82990
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Bob Wilson [Mon, 28 Sep 2009 14:30:20 +0000 (14:30 +0000)]
Pass the optimization level when constructing the ARM instruction selector.
Otherwise, it is always set to "default", which prevents debug info from
even being generated during isel. Radar
7250345.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82988
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Evan Cheng [Mon, 28 Sep 2009 09:14:39 +0000 (09:14 +0000)]
Make ARM and Thumb2 32-bit immediate materialization into a single 32-bit pseudo
instruction. This makes it re-materializable.
Thumb2 will split it back out into two instructions so IT pass will generate the
right mask. Also, this expose opportunies to optimize the movw to a 16-bit move.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82982
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Daniel Dunbar [Mon, 28 Sep 2009 07:32:45 +0000 (07:32 +0000)]
Don't traverse into .svn directories.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82978
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Anton Korobeynikov [Mon, 28 Sep 2009 07:26:46 +0000 (07:26 +0000)]
Fix thinko in my recent movt commit: it's not safe to remat movt, since it has input reg argument.
Disable rematting of it for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82975
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Chris Lattner [Mon, 28 Sep 2009 06:49:44 +0000 (06:49 +0000)]
The select instruction is not neccesarily in the same block as the
phi nodes. Make sure to phi translate from the right block.
This fixes a llvm-building-llvm failure on GVN-PRE.cpp
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82970
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Evan Cheng [Mon, 28 Sep 2009 05:28:43 +0000 (05:28 +0000)]
Coalescer should not delete extract_subreg, insert_subreg, and subreg_to_reg of
physical registers. This is especially critical for the later two since they
start the live interval of a super-register. e.g.
%DO<def> = INSERT_SUBREG %D0<undef>, %S0<kill>, 1
If this instruction is eliminated, the register scavenger will not be happy as
D0 is not defined previously.
This fixes PR5055.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82968
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Erick Tryzelaar [Mon, 28 Sep 2009 04:42:55 +0000 (04:42 +0000)]
Document a bug in the ocaml bindings has wrong linkage values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82966
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Erick Tryzelaar [Mon, 28 Sep 2009 04:42:47 +0000 (04:42 +0000)]
Expose the rest of the attribute settings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82965
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Erick Tryzelaar [Mon, 28 Sep 2009 04:42:36 +0000 (04:42 +0000)]
Fix a bug in ocaml bindings that has incorrect linkage options.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82964
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Mikhail Glushenkov [Mon, 28 Sep 2009 01:28:26 +0000 (01:28 +0000)]
Regenerate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82958
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Mikhail Glushenkov [Mon, 28 Sep 2009 01:16:42 +0000 (01:16 +0000)]
Add a way to query the number of input files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82957
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Mikhail Glushenkov [Mon, 28 Sep 2009 01:16:07 +0000 (01:16 +0000)]
Document the 'not' combinator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82956
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Mikhail Glushenkov [Mon, 28 Sep 2009 01:15:44 +0000 (01:15 +0000)]
A bit prettier formatting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82955
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Dan Gohman [Mon, 28 Sep 2009 00:44:15 +0000 (00:44 +0000)]
Remove temporary debugging hack.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82953
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Dan Gohman [Mon, 28 Sep 2009 00:27:48 +0000 (00:27 +0000)]
Move the dominator verification code out of special code embedded within
the PassManager code into a regular verifyAnalysis method.
Also, reorganize loop verification. Make the LoopPass infrastructure
call verifyLoop as needed instead of having LoopInfo::verifyAnalysis
check every loop in the function after each looop pass. Add a new
command-line argument, -verify-loop-info, to enable the expensive
full checking.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82952
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Dan Gohman [Mon, 28 Sep 2009 00:10:28 +0000 (00:10 +0000)]
Move this assert to check the condition as soon as it is known.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82951
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Dan Gohman [Mon, 28 Sep 2009 00:07:05 +0000 (00:07 +0000)]
Extend the StartPassTimer and StopPassTimer functions so that the
code that stops the timer doesn't have to search to find the timer
object before it stops the timer. This avoids a lock acquisition
and a few other things done with the timer running.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82949
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Anton Korobeynikov [Sun, 27 Sep 2009 23:52:58 +0000 (23:52 +0000)]
Use movt/movw pair to materialize 32 bit constants on ARMv6T2+.
This should be better than single load from constpool.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82948
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Dan Gohman [Sun, 27 Sep 2009 23:52:07 +0000 (23:52 +0000)]
Fix an old copy+pasto.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82947
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Dan Gohman [Sun, 27 Sep 2009 23:49:43 +0000 (23:49 +0000)]
Extract the code for inserting a loop into the loop queue into
a separate function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82946
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Dan Gohman [Sun, 27 Sep 2009 23:43:07 +0000 (23:43 +0000)]
When a loop is deleted, immediately release all of the active
LoopPasses for that loop. This avoids trouble with the PassManager
trying to call verifyAnalysis on them, and frees up some memory
sooner rather than later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82945
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Dan Gohman [Sun, 27 Sep 2009 23:38:27 +0000 (23:38 +0000)]
Extract the code for releasing a pass into a separate function, and
tidy it up a little.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82944
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Nick Lewycky [Sun, 27 Sep 2009 23:27:42 +0000 (23:27 +0000)]
Remove the "metadata*" type and simplify the code it complicated. This was only
used to support GlobalVariables storing MDNodes, back when they were derived
from Constant before the introduction of NamedMDNode, but never removed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82943
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Dan Gohman [Sun, 27 Sep 2009 23:17:47 +0000 (23:17 +0000)]
LBRX no longer has an explicit SrcValueSDNode operand, so the type
operand is now at index 2, rather than 3. This fixes the
"Invalid child # of SDNode!" failures on PowerPC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82942
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Chris Lattner [Sun, 27 Sep 2009 21:46:50 +0000 (21:46 +0000)]
simplify some code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82936
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Chris Lattner [Sun, 27 Sep 2009 21:42:46 +0000 (21:42 +0000)]
The bitcast case is not needed here: instcombine turns icmp(bitcast(x), null) -> icmp(x, null) already.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82935
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Nick Lewycky [Sun, 27 Sep 2009 21:39:46 +0000 (21:39 +0000)]
New unit test for the cloning module, which so far only covers cloning of
instructions' optimization flags.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82934
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Chris Lattner [Sun, 27 Sep 2009 21:36:19 +0000 (21:36 +0000)]
calls are already unmovable, malloc doesn't need a special case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82933
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Chris Lattner [Sun, 27 Sep 2009 21:35:11 +0000 (21:35 +0000)]
calls to external functions are already marked overdefined, special casing
malloc isn't needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82932
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Chris Lattner [Sun, 27 Sep 2009 21:33:46 +0000 (21:33 +0000)]
calls are already handled, malloc doesn't need a special case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82931
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Nick Lewycky [Sun, 27 Sep 2009 21:33:04 +0000 (21:33 +0000)]
Round out the API for the new optimization flags.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82930
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Chris Lattner [Sun, 27 Sep 2009 21:31:39 +0000 (21:31 +0000)]
calls are rejected above, no need to special case malloc here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82929
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Chris Lattner [Sun, 27 Sep 2009 21:29:28 +0000 (21:29 +0000)]
remove special handling of bitcast(malloc), it will be handled
when the loop inspects the bitcast operand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82928
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Chris Lattner [Sun, 27 Sep 2009 21:23:38 +0000 (21:23 +0000)]
unlike the malloc instruction, "malloc" calls do not claim to be readonly, just nounwind.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82927
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Chris Lattner [Sun, 27 Sep 2009 21:16:52 +0000 (21:16 +0000)]
add a new DirectiveMap stringmap, which allows more efficient dispatching
to directive handlers and allows for easier extensibility.
I only switched a few over for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82926
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Nick Lewycky [Sun, 27 Sep 2009 20:58:01 +0000 (20:58 +0000)]
Link order: it matters.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82925
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Chris Lattner [Sun, 27 Sep 2009 20:46:36 +0000 (20:46 +0000)]
allow pushing icmps through phis with multiple uses and across critical edges.
These are important to push up to encourage jump threading. This shrinks 176.gcc a bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82923
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Chris Lattner [Sun, 27 Sep 2009 20:18:49 +0000 (20:18 +0000)]
Enhance the previous fix for PR4895 to allow more values than just
simple constants for the true/false value of the select. We now
do phi translation etc. This really fixes PR4895 :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82917
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Chris Lattner [Sun, 27 Sep 2009 19:57:57 +0000 (19:57 +0000)]
implement PR4895, by making FoldOpIntoPhi handle select conditions
that are phi nodes. Also tighten up FoldOpIntoPhi to treat constantexpr
operands to phis just like other variables, avoiding moving constantexpr
computations around.
Patch by Daniel Dunbar.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82913
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Chris Lattner [Sun, 27 Sep 2009 19:38:39 +0000 (19:38 +0000)]
avoid copying MCAsmInfo by value, add an (extremely low prio) fixme.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82911
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Tilmann Scheller [Sun, 27 Sep 2009 17:58:47 +0000 (17:58 +0000)]
Use explicit structs instead of std::pair to map callee saved regs to spill slots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82909
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Dan Gohman [Sun, 27 Sep 2009 17:50:44 +0000 (17:50 +0000)]
Delete a bogus comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82908
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Dan Gohman [Sun, 27 Sep 2009 17:48:37 +0000 (17:48 +0000)]
Remove a redundant assert.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82907
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Jeffrey Yasskin [Sun, 27 Sep 2009 17:47:29 +0000 (17:47 +0000)]
Enable -g with DEBUG_SYMBOLS and --enable-debug-symbols instead of
DEBUG_RUNTIME.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82906
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Dan Gohman [Sun, 27 Sep 2009 17:46:40 +0000 (17:46 +0000)]
Fix SCEVExpander's canonical addrec expansion code to work on loops that
aren't in canonical loop-simplify form, since it doesn't itself depend
on LoopSimplify. This means handling loops without preheaders and loops
with multiple backedges.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82905
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Dan Gohman [Sun, 27 Sep 2009 17:39:12 +0000 (17:39 +0000)]
Add dominates and releaseMemory member functions to PostDominatorTree.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82904
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Dan Gohman [Sun, 27 Sep 2009 16:10:30 +0000 (16:10 +0000)]
Grab an LLVM Context from an instruction that exists rather than one
that is deleted in some situations. This fixes a use-after-free.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82903
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Dan Gohman [Sun, 27 Sep 2009 15:41:19 +0000 (15:41 +0000)]
Clarify a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82902
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Dan Gohman [Sun, 27 Sep 2009 15:37:03 +0000 (15:37 +0000)]
Tell ScalarEvolution to forget everything it knows about a loop before
rotating the loop, since loop rotation is a very significant change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82901
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Dan Gohman [Sun, 27 Sep 2009 15:32:21 +0000 (15:32 +0000)]
Micro-optimize DerivedType::dropAllTypeUses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82900
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Dan Gohman [Sun, 27 Sep 2009 15:30:00 +0000 (15:30 +0000)]
Instead of testing whether an instruction dominates the loop preheader,
test whether it properly dominates the loop header. This is equivalent
when the loop has a preheader, and has the advantage of working when
the loop doesn't have a preheader. Since IVUsers doesn't Require
LoopSimplify, the loop isn't guaranteed to have a preheader.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82899
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Dan Gohman [Sun, 27 Sep 2009 15:26:03 +0000 (15:26 +0000)]
Add a properlyDominates member function to ScalarEvolution.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82898
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Dan Gohman [Sun, 27 Sep 2009 15:21:52 +0000 (15:21 +0000)]
Remove a redundant #include.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82897
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Torok Edwin [Sun, 27 Sep 2009 11:08:03 +0000 (11:08 +0000)]
Avoid using mutex locks if not in multithreaded mode by using a SmartScopedMutex
in RegisterStatistic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82896
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Evan Cheng [Sun, 27 Sep 2009 09:46:04 +0000 (09:46 +0000)]
Enable pre-regalloc load / store multiple pass for Thumb2.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82893
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Chris Lattner [Sun, 27 Sep 2009 08:01:44 +0000 (08:01 +0000)]
rename REG -> REGISTER to make it explicit in the doc. <tt>ify some stuff.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82892
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Chris Lattner [Sun, 27 Sep 2009 07:56:52 +0000 (07:56 +0000)]
implement and document support for filecheck variables. This
allows matching and remembering a string and then matching and
verifying that the string occurs later in the file.
Change X86/xor.ll to use this in some cases where the test was
checking for an arbitrary register allocation decision.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82891
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Nick Lewycky [Sun, 27 Sep 2009 07:55:32 +0000 (07:55 +0000)]
Remove dead code from this function and optimize. Update its corresponding
LangRef entry too.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82890
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Nick Lewycky [Sun, 27 Sep 2009 07:38:41 +0000 (07:38 +0000)]
Instruction::clone does not need to take an LLVMContext&. Remove that and
update all the callers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82889
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Nick Lewycky [Sun, 27 Sep 2009 06:25:05 +0000 (06:25 +0000)]
Filecheckify this one test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82888
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Nick Lewycky [Sun, 27 Sep 2009 04:57:35 +0000 (04:57 +0000)]
Leave a pointer to the documentation so that people don't end up change one but
not the other in the future.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82887
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Nick Lewycky [Sun, 27 Sep 2009 04:56:27 +0000 (04:56 +0000)]
Correct the version numbers to match those actually tested for by
autoconf/AutoRegen.sh.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82886
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Nick Lewycky [Sun, 27 Sep 2009 00:45:11 +0000 (00:45 +0000)]
Move the integer type out of 'derived' and into 'primitive'. This permits us
to explain that derived types are all composed of other types, which primitive
types aren't. Without moving integer out of derived, this wouldn't be true.
Perform a few trivial cleanups; 'i1' went from a link to #t_primitive to
#t_integer (a holdover from when it was a bool type I suppose).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82884
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Chris Lattner [Sat, 26 Sep 2009 21:27:04 +0000 (21:27 +0000)]
remove support for "NoSub" from regex. It seems like a minor optimization
and makes the API more annoying. Add a Regex::getNumMatches() method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82877
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Torok Edwin [Sat, 26 Sep 2009 20:18:58 +0000 (20:18 +0000)]
Speed up clang-only link, by really linking only clang, and not the unittests
too.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82873
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Evan Cheng [Sat, 26 Sep 2009 18:51:37 +0000 (18:51 +0000)]
Remove this test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82869
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Dan Gohman [Sat, 26 Sep 2009 18:10:13 +0000 (18:10 +0000)]
Fix SimplifyLibCalls to transfer attributes from callees rather than
calls, since direct calls don't always reflect the attributes of their
callees.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82867
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Dan Gohman [Sat, 26 Sep 2009 16:11:57 +0000 (16:11 +0000)]
Fix a case where ScalarEvolution was expanding pointer arithmetic
to inttoptr/ptrtoint unnecessarily.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82864
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Duncan Sands [Sat, 26 Sep 2009 15:35:35 +0000 (15:35 +0000)]
For the NSWSub support in the builder to actually be useable,
there need to be corresponding changes to the constant folders,
done in this patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82862
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Dan Gohman [Sat, 26 Sep 2009 15:24:17 +0000 (15:24 +0000)]
Convert comparisons like (x == infinity) to (x >= infinity) on targets
where FCMP_OEQ is not legal and FCMP_OGE is, such as x86.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82861
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Duncan Sands [Sat, 26 Sep 2009 15:21:48 +0000 (15:21 +0000)]
Add methods for creating NSW subtraction, as already exists
for addition.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82860
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Dan Gohman [Sat, 26 Sep 2009 15:09:53 +0000 (15:09 +0000)]
Add a comment describing natural loops.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82859
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Daniel Dunbar [Sat, 26 Sep 2009 05:29:36 +0000 (05:29 +0000)]
"Update" tests for -disable-if-conversion removal. I think branch.ll should just
be removed, but I XFAIL'd it for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82847
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Evan Cheng [Sat, 26 Sep 2009 02:49:49 +0000 (02:49 +0000)]
Really remove this option.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82838
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Evan Cheng [Sat, 26 Sep 2009 02:45:45 +0000 (02:45 +0000)]
Remove a couple of unused command line options.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82837
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Evan Cheng [Sat, 26 Sep 2009 02:43:36 +0000 (02:43 +0000)]
Add comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82836
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Evan Cheng [Sat, 26 Sep 2009 02:41:17 +0000 (02:41 +0000)]
Convert test to filecheck.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82835
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Dan Gohman [Sat, 26 Sep 2009 02:34:00 +0000 (02:34 +0000)]
Don't hoist or sink instructions with physreg uses if the physreg is
allocatable. Even if it doesn't appear to have any defs, it may latter
on after register allocation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82834
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Dan Gohman [Sat, 26 Sep 2009 01:11:57 +0000 (01:11 +0000)]
I put the wrong rdar number in this test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82829
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Dan Gohman [Fri, 25 Sep 2009 23:58:45 +0000 (23:58 +0000)]
Unbreak MachineLICM for instructions that reference RIP on x86-64 too.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82825
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Dan Gohman [Fri, 25 Sep 2009 23:40:21 +0000 (23:40 +0000)]
Rename ConstantFP's getInf to getInfinity.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82823
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Dan Gohman [Fri, 25 Sep 2009 23:33:20 +0000 (23:33 +0000)]
Move MachineMemOperand::getAlignment out of line, to avoid needing
MathExtras.h in MachineMemOperand.h.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82822
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Daniel Dunbar [Fri, 25 Sep 2009 23:26:56 +0000 (23:26 +0000)]
Remove unused variable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82821
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Dan Gohman [Fri, 25 Sep 2009 23:10:17 +0000 (23:10 +0000)]
Transform pow(x, 0.5) to (x == -inf ? inf : fabs(sqrt(x))), which is
typically faster then doing a general pow.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82819
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Dan Gohman [Fri, 25 Sep 2009 23:00:48 +0000 (23:00 +0000)]
Add a ConstantFP::getInf utility function for creating infinity ConstantFPs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82818
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Dan Gohman [Fri, 25 Sep 2009 22:53:29 +0000 (22:53 +0000)]
Fix MachineSink to be able to sink instructions that use physical registers
which have no defs anywhere in the function. In particular, this fixes sinking
of instructions that reference RIP on x86-64, which is currently being modeled
as a register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82815
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Anton Korobeynikov [Fri, 25 Sep 2009 22:53:17 +0000 (22:53 +0000)]
Regenerate
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82814
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Anton Korobeynikov [Fri, 25 Sep 2009 22:52:29 +0000 (22:52 +0000)]
Provide proper masks for neon perfect shuffle table.
I definitely need to read documentation better :(
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82813
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Dan Gohman [Fri, 25 Sep 2009 22:26:13 +0000 (22:26 +0000)]
Simplify a few more uses of reg_iterator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82812
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Dan Gohman [Fri, 25 Sep 2009 22:24:52 +0000 (22:24 +0000)]
Simplify this code by using use_iterator instead of reg_iterator
and skipping the defs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82811
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