oota-llvm.git
13 years agoremove fixme comment too.
Chris Lattner [Tue, 30 Nov 2010 23:25:01 +0000 (23:25 +0000)]
remove fixme comment too.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120493 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agocheck in *all* files. This is now handled by my previous DSE commit.
Chris Lattner [Tue, 30 Nov 2010 23:23:59 +0000 (23:23 +0000)]
check in *all* files.  This is now handled by my previous DSE commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120492 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoCoding style. No significant functionality. Abandon linear scan style
Andrew Trick [Tue, 30 Nov 2010 23:18:47 +0000 (23:18 +0000)]
Coding style. No significant functionality. Abandon linear scan style
in favor of the widespread llvm style. Capitalize variables and add
newlines for visual parsing. Rename variables for readability.
And other cleanup.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120490 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoInline classes that were used in only one place.
Bill Wendling [Tue, 30 Nov 2010 23:16:25 +0000 (23:16 +0000)]
Inline classes that were used in only one place.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120488 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoteach DSE to use GetPointerBaseWithConstantOffset to analyze
Chris Lattner [Tue, 30 Nov 2010 23:05:20 +0000 (23:05 +0000)]
teach DSE to use GetPointerBaseWithConstantOffset to analyze
may-aliasing stores that partially overlap with different base
pointers.  This implements PR6043 and the non-variable part of
PR8657

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120485 91177308-0d34-0410-b5e6-96231b3b80d8

13 years ago* Add support for encoding t_addrmode_s2 and t_addrmode_s1. They are the same as
Bill Wendling [Tue, 30 Nov 2010 22:57:21 +0000 (22:57 +0000)]
* Add support for encoding t_addrmode_s2 and t_addrmode_s1. They are the same as
  t_addrmode_s4, but with a different scaling factor.

* Encode the Thumb1 load and store instructions. This involved a bit of
  refactoring (hi, Chris! :-). Some of the patterns became dead afterwards and
  were removed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120482 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoSimplify the encoding of reg+/-imm12 values that allow PC-relative encoding. This...
Owen Anderson [Tue, 30 Nov 2010 22:45:47 +0000 (22:45 +0000)]
Simplify the encoding of reg+/-imm12 values that allow PC-relative encoding.  This allows the
Thumb2 encoding to share code with the ARM encoding, which gets use fixup support for free.
It also allows us to fold away at least one codegen-only pattern.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120481 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix handling of ARM negative pc-relative fixups for loads and stores.
Jim Grosbach [Tue, 30 Nov 2010 22:40:36 +0000 (22:40 +0000)]
Fix handling of ARM negative pc-relative fixups for loads and stores.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120480 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agomove GetPointerBaseWithConstantOffset out of GVN into ValueTracking.h
Chris Lattner [Tue, 30 Nov 2010 22:25:26 +0000 (22:25 +0000)]
move GetPointerBaseWithConstantOffset out of GVN into ValueTracking.h

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120476 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoremove a fixed fixme
Chris Lattner [Tue, 30 Nov 2010 22:18:11 +0000 (22:18 +0000)]
remove a fixed fixme

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120474 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMake DeleteDeadInstruction be a static function, move some code around.
Chris Lattner [Tue, 30 Nov 2010 21:58:14 +0000 (21:58 +0000)]
Make DeleteDeadInstruction be a static function, move some code around.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120471 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMove X86InstrFPStack.td over to PseudoI as well.
Eric Christopher [Tue, 30 Nov 2010 21:57:32 +0000 (21:57 +0000)]
Move X86InstrFPStack.td over to PseudoI as well.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120470 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoswitch RemoveAccessedObjects to use AliasAnalysis::Location to simplify
Chris Lattner [Tue, 30 Nov 2010 21:47:58 +0000 (21:47 +0000)]
switch RemoveAccessedObjects to use AliasAnalysis::Location to simplify
the code.  We now get accurate sizes on Loads, though it surely doesn't
matter in practice.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120469 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agotwo improvements to RemoveAccessedObjects:
Chris Lattner [Tue, 30 Nov 2010 21:38:30 +0000 (21:38 +0000)]
two improvements to RemoveAccessedObjects:
1. if the underlying pointer passed in can be resolved
   to any argument or alloca, then we don't need to scan.
   Previously we would only avoid the scan if the alloca
   or byval was actually considered dead.
2. The dead store processing code is itself completely
   dead and didn't handle volatile stores right anyway,
   so delete it.  This allows simplifying the interface
   to RemoveAccessedObjects.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120467 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMigrate X86InstrControl.td to use PseudoI and fix a couple of 80-col violations
Eric Christopher [Tue, 30 Nov 2010 21:37:36 +0000 (21:37 +0000)]
Migrate X86InstrControl.td to use PseudoI and fix a couple of 80-col violations
while I'm in there.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120466 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoremove the "undead" terminology, which is nonstandard and never
Chris Lattner [Tue, 30 Nov 2010 21:32:12 +0000 (21:32 +0000)]
remove the "undead" terminology, which is nonstandard and never
made sense to me.  We now have a set of dead stack objects, and
they become live when loaded.  Fix a theoretical problem where
we'd pass in the wrong pointer to the alias query.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120465 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agomove call handling in handleEndBlock up a bit, and simplify it.
Chris Lattner [Tue, 30 Nov 2010 21:18:46 +0000 (21:18 +0000)]
move call handling in handleEndBlock up a bit, and simplify it.
If the call might read all the allocas, stop scanning early.
Convert a vector to smallvector, shrink SmallPtrSet to 16 instead
of 64 to avoid crazy linear scans.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120463 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoPerformance optimization on ImmutableMap/ImmutableSet:
Ted Kremenek [Tue, 30 Nov 2010 20:26:45 +0000 (20:26 +0000)]
Performance optimization on ImmutableMap/ImmutableSet:

- Use a DenseSet instead of a FoldingSet to cache
canonicalized nodes.  This reduces the overhead
of double-hashing.

- Use reference counts in ImutAVLTree to much
more aggressively recover tree nodes that are
no longer usable.  We can generate many
transient nodes while using add() and remove()
on ImmutableSet/ImmutableMaps to generate a final
set/map.

For the clang static analyzer (the main client
of these data structures), this results in
a slight speedup (0.5%) when analyzing sqlite3,
but much more importantly results in a 30-60%
reduction in peak memory usage when the analyzer
is analyzing a given function in a file.  On
average that's about a ** 44% reduction ** in the
memory footprint of the static analyzer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120459 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAvoid exponential growth of a table. It feels like
Dale Johannesen [Tue, 30 Nov 2010 20:23:21 +0000 (20:23 +0000)]
Avoid exponential growth of a table.  It feels like
there should be a better way to do this.  PR 8679.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120457 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoProvide Thumb2 encodings for a few miscellaneous instructions.
Owen Anderson [Tue, 30 Nov 2010 20:00:01 +0000 (20:00 +0000)]
Provide Thumb2 encodings for a few miscellaneous instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120455 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agovarious cleanups and code simplification
Chris Lattner [Tue, 30 Nov 2010 19:48:15 +0000 (19:48 +0000)]
various cleanups and code simplification

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120454 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agomake getPointerSize a static function. Add ivars to DSE for
Chris Lattner [Tue, 30 Nov 2010 19:34:42 +0000 (19:34 +0000)]
make getPointerSize a static function.  Add ivars to DSE for
AA and MD pass info instead of using getAnalysis<> all over.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120453 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoreduce indentation, clean up TD use a bit.
Chris Lattner [Tue, 30 Nov 2010 19:28:23 +0000 (19:28 +0000)]
reduce indentation, clean up TD use a bit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120452 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd FIXME
Jim Grosbach [Tue, 30 Nov 2010 19:25:56 +0000 (19:25 +0000)]
Add FIXME

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120451 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoforbid rtti and exceptions
Chris Lattner [Tue, 30 Nov 2010 19:20:40 +0000 (19:20 +0000)]
forbid rtti and exceptions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120450 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd encoding support for Thumb2 PLD and PLI instructions.
Owen Anderson [Tue, 30 Nov 2010 19:19:31 +0000 (19:19 +0000)]
Add encoding support for Thumb2 PLD and PLI instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120449 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoNoticed this on inspection, fix and update some comments.
Eric Christopher [Tue, 30 Nov 2010 19:14:07 +0000 (19:14 +0000)]
Noticed this on inspection, fix and update some comments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120447 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoenhance isRemovable to refuse to delete volatile mem transfers
Chris Lattner [Tue, 30 Nov 2010 19:12:10 +0000 (19:12 +0000)]
enhance isRemovable to refuse to delete volatile mem transfers
now that DSE hacks on them.  This fixes a regression I introduced,
by generalizing DSE to hack on transfers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120445 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoThe VLDMQ/VSTMQ instructions are reprented as true Pseudo-insts now (i.e.,
Jim Grosbach [Tue, 30 Nov 2010 19:08:32 +0000 (19:08 +0000)]
The VLDMQ/VSTMQ instructions are reprented as true Pseudo-insts now (i.e.,
no extra encoding information), so we no longer need to special case them
here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120444 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTidy up.
Jim Grosbach [Tue, 30 Nov 2010 19:00:13 +0000 (19:00 +0000)]
Tidy up.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120443 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoPseudo-ize ARM MOVPCRX
Jim Grosbach [Tue, 30 Nov 2010 18:56:36 +0000 (18:56 +0000)]
Pseudo-ize ARM MOVPCRX

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120442 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoDelete a few no longer needed references to pseudos.
Jim Grosbach [Tue, 30 Nov 2010 18:56:13 +0000 (18:56 +0000)]
Delete a few no longer needed references to pseudos.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120441 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoChange the basic block map in LoopInfo from a std::map to a DenseMap. This is a 16...
Cameron Zwarich [Tue, 30 Nov 2010 18:51:19 +0000 (18:51 +0000)]
Change the basic block map in LoopInfo from a std::map to a DenseMap. This is a 16% speedup running loops on test-suite + SPEC2000.

Reviewed by Eric Christopher.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120440 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoProvide encodings for a few more load/store variants.
Owen Anderson [Tue, 30 Nov 2010 18:38:28 +0000 (18:38 +0000)]
Provide encodings for a few more load/store variants.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120439 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoPseudo-ize BX_CALL and friends. Remove dead instruction format classes.
Jim Grosbach [Tue, 30 Nov 2010 18:30:19 +0000 (18:30 +0000)]
Pseudo-ize BX_CALL and friends. Remove dead instruction format classes.
rdar://8685712

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120438 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd tests for more forms of Thumb2 loads and stores.
Owen Anderson [Tue, 30 Nov 2010 18:15:21 +0000 (18:15 +0000)]
Add tests for more forms of Thumb2 loads and stores.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120436 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoadd TLI support indicating that jumps are more expensive than logical operations
Chris Lattner [Tue, 30 Nov 2010 18:12:52 +0000 (18:12 +0000)]
add TLI support indicating that jumps are more expensive than logical operations
and use this to disable a specific optimization.  Patch by Micah Villmow!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120435 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoptx: add command-line options for gpu target and ptx version
Che-Liang Chiou [Tue, 30 Nov 2010 10:14:14 +0000 (10:14 +0000)]
ptx: add command-line options for gpu target and ptx version

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120423 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoNot all platforms use _<func>. Duh.
Eric Christopher [Tue, 30 Nov 2010 09:23:54 +0000 (09:23 +0000)]
Not all platforms use _<func>. Duh.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120418 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix some grammar in comments I noticed.
Eric Christopher [Tue, 30 Nov 2010 09:11:54 +0000 (09:11 +0000)]
Fix some grammar in comments I noticed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120416 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoThis defaults to GenericDomain.
Eric Christopher [Tue, 30 Nov 2010 09:11:07 +0000 (09:11 +0000)]
This defaults to GenericDomain.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120415 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoPR5207: Make APInt::set(), APInt::clear() and APInt::flip() return void.
Jay Foad [Tue, 30 Nov 2010 09:02:01 +0000 (09:02 +0000)]
PR5207: Make APInt::set(), APInt::clear() and APInt::flip() return void.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120413 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoImplement a PseudoI class and transfer the sse instructions over to use
Eric Christopher [Tue, 30 Nov 2010 08:57:23 +0000 (08:57 +0000)]
Implement a PseudoI class and transfer the sse instructions over to use
it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120412 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix insertion point in pcmp expander.
Eric Christopher [Tue, 30 Nov 2010 08:20:21 +0000 (08:20 +0000)]
Fix insertion point in pcmp expander.

While I'm there, clean up too many \n even for me.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120411 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix some cleanups from my last patch.
Eric Christopher [Tue, 30 Nov 2010 08:10:28 +0000 (08:10 +0000)]
Fix some cleanups from my last patch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120410 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd parsing for the Thumb t_addrmode_s4 addressing mode. This can almost
Bill Wendling [Tue, 30 Nov 2010 07:44:32 +0000 (07:44 +0000)]
Add parsing for the Thumb t_addrmode_s4 addressing mode. This can almost
certainly be made more generic. But it does allow us to parse something like:

          ldr     r3, [r2, r4]

correctly in Thumb mode.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120408 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoptx: add ld instruction
Che-Liang Chiou [Tue, 30 Nov 2010 07:34:44 +0000 (07:34 +0000)]
ptx: add ld instruction

support register and register-immediate addressing mode

todo: immediate and register-register addressing mode

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120407 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRewrite the main DSE loop to be written in terms of reasoning
Chris Lattner [Tue, 30 Nov 2010 07:23:21 +0000 (07:23 +0000)]
Rewrite the main DSE loop to be written in terms of reasoning
about pairs of AA::Location's instead of looking for MemDep's
"Def" predicate.  This is more powerful and general, handling
memset/memcpy/store all uniformly, and implementing PR8701 and
probably obsoleting parts of memcpyoptimizer.

This also fixes an obscure bug with init.trampoline and i8
stores, but I'm not surprised it hasn't been hit yet.  Enhancing
init.trampoline to carry the size that it stores would allow
DSE to be much more aggressive about optimizing them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120406 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agodeath to extraneous \n's.
Chris Lattner [Tue, 30 Nov 2010 07:20:51 +0000 (07:20 +0000)]
death to extraneous \n's.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120405 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRewrite mwait and monitor support and custom lower arguments.
Eric Christopher [Tue, 30 Nov 2010 07:20:12 +0000 (07:20 +0000)]
Rewrite mwait and monitor support and custom lower arguments.

Fixes PR8573.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120404 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd a puts optimization that converts puts() to putchar('\n').
Anders Carlsson [Tue, 30 Nov 2010 06:19:18 +0000 (06:19 +0000)]
Add a puts optimization that converts puts() to putchar('\n').

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120398 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix a typo.
Anders Carlsson [Tue, 30 Nov 2010 06:03:55 +0000 (06:03 +0000)]
Fix a typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120394 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRename this test to FPuts.ll since it actually tests fputs.
Anders Carlsson [Tue, 30 Nov 2010 05:59:26 +0000 (05:59 +0000)]
Rename this test to FPuts.ll since it actually tests fputs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120393 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agorename a function and reduce some indentation, no functionality change.
Chris Lattner [Tue, 30 Nov 2010 05:30:45 +0000 (05:30 +0000)]
rename a function and reduce some indentation, no functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120391 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMake @llvm.invariant.start not be readonly, so that it has side-effects. This
Nick Lewycky [Tue, 30 Nov 2010 04:13:41 +0000 (04:13 +0000)]
Make @llvm.invariant.start not be readonly, so that it has side-effects. This
unbreaks test/Transforms/InstCombine/invariant.ll which was broken by r120382.
This is a fix-forward to do what I think Chris intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120388 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoStub out a new LiveDebugVariables pass.
Jakob Stoklund Olesen [Tue, 30 Nov 2010 02:17:10 +0000 (02:17 +0000)]
Stub out a new LiveDebugVariables pass.

This analysis is going to run immediately after LiveIntervals. It will stay
alive during register allocation and keep track of user variables mentioned in
DBG_VALUE instructions.

When the register allocator is moving values between registers and the stack, it
is very hard to keep track of DBG_VALUE instructions. We usually get it wrong.
This analysis maintains a data structure that makes it easy to update DBG_VALUE
instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120385 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoremove a use of llvm-dis
Chris Lattner [Tue, 30 Nov 2010 02:04:15 +0000 (02:04 +0000)]
remove a use of llvm-dis

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120383 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoremove the pointless check of MemoryUseIntrinsic from
Chris Lattner [Tue, 30 Nov 2010 02:03:47 +0000 (02:03 +0000)]
remove the pointless check of MemoryUseIntrinsic from
is trivially dead, since these have side effects.  This makes the
(misnamed) MemoryUseIntrinsic class dead, so remove it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120382 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agostrength reduce this.
Chris Lattner [Tue, 30 Nov 2010 01:56:13 +0000 (01:56 +0000)]
strength reduce this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120381 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agogetLocationForDest should work for memset as well.
Chris Lattner [Tue, 30 Nov 2010 01:48:20 +0000 (01:48 +0000)]
getLocationForDest should work for memset as well.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120380 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agorename doesClobberMemory -> hasMemoryWrite to be more specific, and
Chris Lattner [Tue, 30 Nov 2010 01:37:52 +0000 (01:37 +0000)]
rename doesClobberMemory -> hasMemoryWrite to be more specific, and
remove an actively-wrong comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120378 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoclean up handling of 'free', detangling it from everything else.
Chris Lattner [Tue, 30 Nov 2010 01:28:33 +0000 (01:28 +0000)]
clean up handling of 'free', detangling it from everything else.
It can be seriously improved, but at least now it isn't intertwined
with the other logic.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120377 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agomerge one more away
Chris Lattner [Tue, 30 Nov 2010 01:06:43 +0000 (01:06 +0000)]
merge one more away

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120375 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoI already merged partial-overwrite.ll -> PartialStore.ll
Chris Lattner [Tue, 30 Nov 2010 01:05:07 +0000 (01:05 +0000)]
I already merged partial-overwrite.ll -> PartialStore.ll
Merge context-sensitive.ll -> simple.ll and upgrade it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120374 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoclean up DSE tests, removing some poorly reduced and useless old test,
Chris Lattner [Tue, 30 Nov 2010 01:00:34 +0000 (01:00 +0000)]
clean up DSE tests, removing some poorly reduced and useless old test,
merging more into other larger .ll files, filecheckizing along the way.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120373 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMinor cleanups. No functional change.
Bill Wendling [Tue, 30 Nov 2010 00:50:22 +0000 (00:50 +0000)]
Minor cleanups. No functional change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120372 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agos/ARM::BRIND/ARM::BX/g to coincide with r120366.
Bill Wendling [Tue, 30 Nov 2010 00:48:15 +0000 (00:48 +0000)]
s/ARM::BRIND/ARM::BX/g to coincide with r120366.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120371 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoenhance basicaa to return "Mod" for a memcpy call when the
Chris Lattner [Tue, 30 Nov 2010 00:43:16 +0000 (00:43 +0000)]
enhance basicaa to return "Mod" for a memcpy call when the
queried location doesn't overlap the source, and add a testcase.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120370 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd correct encoding for "bl __aeabi_read_tp". However, the asm matcher isn't
Bill Wendling [Tue, 30 Nov 2010 00:34:08 +0000 (00:34 +0000)]
Add correct encoding for "bl __aeabi_read_tp". However, the asm matcher isn't
able to match this yet.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120369 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTeach basicaa that memset's modref set is at worst "mod" and never
Chris Lattner [Tue, 30 Nov 2010 00:28:45 +0000 (00:28 +0000)]
Teach basicaa that memset's modref set is at worst "mod" and never
contains "ref".

Enhance DSE to use a modref query instead of a store-specific hack
to generalize the "ignore may-alias stores" optimization to handle
memset and memcpy.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120368 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRename BX/BRIND/etc patterns to clarify which is actually the BX instruction
Jim Grosbach [Tue, 30 Nov 2010 00:24:05 +0000 (00:24 +0000)]
Rename BX/BRIND/etc patterns to clarify which is actually the BX instruction
and which are pseudos.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120366 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd some encoding for the adr instruction. Labels still need to be finished.
Bill Wendling [Tue, 30 Nov 2010 00:18:30 +0000 (00:18 +0000)]
Add some encoding for the adr instruction. Labels still need to be finished.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120365 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoCorrect Thumb2 encodings for a much wider range of loads and stores.
Owen Anderson [Tue, 30 Nov 2010 00:14:31 +0000 (00:14 +0000)]
Correct Thumb2 encodings for a much wider range of loads and stores.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120364 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agomy previous patch would cause us to start deleting some volatile
Chris Lattner [Tue, 30 Nov 2010 00:12:39 +0000 (00:12 +0000)]
my previous patch would cause us to start deleting some volatile
stores, fix and add a testcase.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120363 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMake a few more ARM pseudo instructions actually use the PseudoInst base class.
Jim Grosbach [Tue, 30 Nov 2010 00:09:06 +0000 (00:09 +0000)]
Make a few more ARM pseudo instructions actually use the PseudoInst base class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120362 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoPredicate encoding should be withing {}s. And general cleanup.
Bill Wendling [Tue, 30 Nov 2010 00:08:20 +0000 (00:08 +0000)]
Predicate encoding should be withing {}s. And general cleanup.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120361 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoPredicate encoding should be withing {}s.
Bill Wendling [Tue, 30 Nov 2010 00:05:25 +0000 (00:05 +0000)]
Predicate encoding should be withing {}s.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120360 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agotwo changes to DSE that shouldn't affect anything:
Chris Lattner [Tue, 30 Nov 2010 00:01:19 +0000 (00:01 +0000)]
two changes to DSE that shouldn't affect anything:

1. Don't bother trying to optimize:

lifetime.end(ptr)
store(ptr)

as it is undefined, and therefore shouldn't exist.

2. Move the 'storing a loaded pointer' xform up, simplifying
  the may-aliased store code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120359 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix the encoding of VLD4-dup alignment.
Bob Wilson [Tue, 30 Nov 2010 00:00:42 +0000 (00:00 +0000)]
Fix the encoding of VLD4-dup alignment.
The only reasonable way I could find to do this is to provide an alternate
version of the addrmode6 operand with a different encoding function.  Use it
for all the VLD-dup instructions for the sake of consistency.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120358 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRename VLDnDUP instructions with double-spaced registers
Bob Wilson [Tue, 30 Nov 2010 00:00:38 +0000 (00:00 +0000)]
Rename VLDnDUP instructions with double-spaced registers
in an attempt to make things a little more consistent.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120357 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd support for NEON VLD3-dup instructions.
Bob Wilson [Tue, 30 Nov 2010 00:00:35 +0000 (00:00 +0000)]
Add support for NEON VLD3-dup instructions.
The encoding for alignment in VLD4-dup instructions is still a work in progress.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120356 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoSimplify definitions of the ARM eh.sjlj.*jmp pseudo instructions.
Jim Grosbach [Mon, 29 Nov 2010 23:51:31 +0000 (23:51 +0000)]
Simplify definitions of the ARM eh.sjlj.*jmp pseudo instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120354 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoParameterize ARMPseudoInst size property.
Jim Grosbach [Mon, 29 Nov 2010 23:48:41 +0000 (23:48 +0000)]
Parameterize ARMPseudoInst size property.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120353 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd a few missing initializers.
Jim Grosbach [Mon, 29 Nov 2010 23:41:10 +0000 (23:41 +0000)]
Add a few missing initializers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120350 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoSupport/PathV2: Fix 80 col.
Michael J. Spencer [Mon, 29 Nov 2010 23:35:49 +0000 (23:35 +0000)]
Support/PathV2: Fix 80 col.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120349 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoSupport/PathV2: Update comments.
Michael J. Spencer [Mon, 29 Nov 2010 23:35:35 +0000 (23:35 +0000)]
Support/PathV2: Update comments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120348 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoprune an llvmcontext include and simplify some code.
Chris Lattner [Mon, 29 Nov 2010 23:35:33 +0000 (23:35 +0000)]
prune an llvmcontext include and simplify some code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120347 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoGeneralize the darwin wrapper hack to work with generic macho triples as well as...
Chris Lattner [Mon, 29 Nov 2010 23:29:54 +0000 (23:29 +0000)]
Generalize the darwin wrapper hack to work with generic macho triples as well as darwin ones.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120346 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoNuke trailing whitespace.
Jim Grosbach [Mon, 29 Nov 2010 23:18:01 +0000 (23:18 +0000)]
Nuke trailing whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120344 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoNuke a FIXME. No need to be fancier here, as ARM handles constant pools
Jim Grosbach [Mon, 29 Nov 2010 23:09:20 +0000 (23:09 +0000)]
Nuke a FIXME. No need to be fancier here, as ARM handles constant pools
locations and formatting specially. rdar://7353441

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120343 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoconvert llvm-ar and llvm-ranlib to raw_ostream from iostreams.
Chris Lattner [Mon, 29 Nov 2010 23:02:20 +0000 (23:02 +0000)]
convert llvm-ar and llvm-ranlib to raw_ostream from iostreams.
Patch by Danil Malyshev!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120341 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoProvide Thumb2 encodings for basic loads and stores.
Owen Anderson [Mon, 29 Nov 2010 22:44:32 +0000 (22:44 +0000)]
Provide Thumb2 encodings for basic loads and stores.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120340 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMark Darwin call instructions as using "r7" to prevent the frame-register
Evan Cheng [Mon, 29 Nov 2010 22:43:27 +0000 (22:43 +0000)]
Mark Darwin call instructions as using "r7" to prevent the frame-register
assignment instructions from being moved below / above calls.
rdar://8690640

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120339 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoNuke dead isCodeGenOnly annotation and extraneous comment.
Jim Grosbach [Mon, 29 Nov 2010 22:40:58 +0000 (22:40 +0000)]
Nuke dead isCodeGenOnly annotation and extraneous comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120338 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd missing colon.
Benjamin Kramer [Mon, 29 Nov 2010 22:39:38 +0000 (22:39 +0000)]
Add missing colon.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120336 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agotidy up.
Jim Grosbach [Mon, 29 Nov 2010 22:38:48 +0000 (22:38 +0000)]
tidy up.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120335 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoThumb encodings for conditional moves.
Bill Wendling [Mon, 29 Nov 2010 22:37:46 +0000 (22:37 +0000)]
Thumb encodings for conditional moves.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120334 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoPseudo-ize Thumb2 jump tables with explicit MC lowering to the raw
Jim Grosbach [Mon, 29 Nov 2010 22:37:40 +0000 (22:37 +0000)]
Pseudo-ize Thumb2 jump tables with explicit MC lowering to the raw
instructions. This simplifies instruction printing and disassembly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120333 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix some broken CHECK lines.
Benjamin Kramer [Mon, 29 Nov 2010 22:34:55 +0000 (22:34 +0000)]
Fix some broken CHECK lines.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120332 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agounittests: Merge SystemTests back into SupportTests.
Michael J. Spencer [Mon, 29 Nov 2010 22:29:04 +0000 (22:29 +0000)]
unittests: Merge SystemTests back into SupportTests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120330 91177308-0d34-0410-b5e6-96231b3b80d8