10 years agoFix undefined behavior in the Mips backend.
Ahmed Charles [Fri, 9 Mar 2012 06:36:45 +0000 (06:36 +0000)]
Fix undefined behavior in the Mips backend.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152390 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agomisched interface: rename Begin/End to RegionBegin/RegionEnd since they are not private.
Andrew Trick [Fri, 9 Mar 2012 04:29:02 +0000 (04:29 +0000)]
misched interface: rename Begin/End to RegionBegin/RegionEnd since they are not private.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152382 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agomisched comments
Andrew Trick [Fri, 9 Mar 2012 03:46:42 +0000 (03:46 +0000)]
misched comments

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152374 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agorevert 152356: verify misched changes using -misched=shuffle.
Andrew Trick [Fri, 9 Mar 2012 03:46:39 +0000 (03:46 +0000)]
revert 152356: verify misched changes using -misched=shuffle.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152373 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoFix a silly restriction on the fast-path for hash_combine_range. This
Chandler Carruth [Fri, 9 Mar 2012 02:49:38 +0000 (02:49 +0000)]
Fix a silly restriction on the fast-path for hash_combine_range. This
caused several clients to select the slow variation. =[ This is extra
annoying because we don't have any realistic way of testing this -- by
design, these two functions *must* compute the same value.

Found while inspecting the output of some benchmarks I'm working on.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152369 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoUndo a previous restriction on the inline cost calculation which Nick
Chandler Carruth [Fri, 9 Mar 2012 02:49:36 +0000 (02:49 +0000)]
Undo a previous restriction on the inline cost calculation which Nick
introduced. Specifically, there are cost reductions for all
constant-operand icmp instructions against an alloca, regardless of
whether the alloca will in fact be elligible for SROA. That means we
don't want to abort the icmp reduction computation when we abort the
SROA reduction computation. That in turn frees us from the need to keep
a separate worklist and defer the ICmp calculations.

Use this new-found freedom and some judicious function boundaries to
factor the innards of computing the cost factor of any given instruction
out of the loop over the instructions and into static helper functions.
This greatly simplifies the code, and hopefully makes it more clear what
is happening here.

Reviewed by Eric Christopher. There is some concern that we'd like to
ensure this doesn't get out of hand, and I plan to benchmark the effects
of this change over the next few days along with some further fixes to
the inline cost.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152368 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoFix a regression from r147481.
Chad Rosier [Fri, 9 Mar 2012 02:00:48 +0000 (02:00 +0000)]
Fix a regression from r147481.

Original commit message from r147481:
DAGCombine for transforming 128->256 casts into a vmovaps, rather
then a vxorps + vinsertf128 pair if the original vector came from a load.

Unaligned loads need to generate a vmovups.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152366 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agomisched: allow the default scheduler to be one chosen by the target.
Andrew Trick [Fri, 9 Mar 2012 00:52:20 +0000 (00:52 +0000)]
misched: allow the default scheduler to be one chosen by the target.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152360 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoAdded TargetPassConfig::enablePass
Andrew Trick [Fri, 9 Mar 2012 00:52:17 +0000 (00:52 +0000)]
Added TargetPassConfig::enablePass

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152359 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoCache MBB->begin. It's possible the scheduler / bundler may change MBB->begin().
Evan Cheng [Fri, 9 Mar 2012 00:24:29 +0000 (00:24 +0000)]
Cache MBB->begin. It's possible the scheduler / bundler may change MBB->begin().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152356 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoSilence unused function warning when graphviz is not available.
Benjamin Kramer [Thu, 8 Mar 2012 22:15:23 +0000 (22:15 +0000)]
Silence unused function warning when graphviz is not available.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152346 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoRemove the no longer existent psp triple from a test.
Benjamin Kramer [Thu, 8 Mar 2012 21:22:27 +0000 (21:22 +0000)]
Remove the no longer existent psp triple from a test.

The test fell back to the C backend, making it useless and it started to fail
on configurations that don't build the C backend.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152342 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoHave llvm-mc --version print the list of registered targets like llc does.
Duncan Sands [Thu, 8 Mar 2012 14:24:32 +0000 (14:24 +0000)]
Have llvm-mc --version print the list of registered targets like llc does.
Patch by jey.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152315 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoRevert commit 152300 (ddunbar) since it still seems to be breaking
Duncan Sands [Thu, 8 Mar 2012 09:32:21 +0000 (09:32 +0000)]
Revert commit 152300 (ddunbar) since it still seems to be breaking
buildbots.  Original commit message:

[ADT] Change the trivial FoldingSetNodeID::Add* methods to be inline, reapplied
with a fix for the longstanding over-read of 32-bit pointer values.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152304 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoUse uint16_t to store instruction implicit uses and defs. Reduces static data.
Craig Topper [Thu, 8 Mar 2012 08:22:45 +0000 (08:22 +0000)]
Use uint16_t to store instruction implicit uses and defs. Reduces static data.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152301 91177308-0d34-0410-b5e6-96231b3b80d8

10 years ago[ADT] Change the trivial FoldingSetNodeID::Add* methods to be inline, reapplied
Daniel Dunbar [Thu, 8 Mar 2012 07:42:18 +0000 (07:42 +0000)]
[ADT] Change the trivial FoldingSetNodeID::Add* methods to be inline, reapplied
with a fix for the longstanding over-read of 32-bit pointer values.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152300 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoTaken into account Duncan's comments for r149481 dated by 2nd Feb 2012:
Stepan Dyatkovskiy [Thu, 8 Mar 2012 07:06:20 +0000 (07:06 +0000)]
Taken into account Duncan's comments for r149481 dated by 2nd Feb 2012:

Implemented CaseIterator and it solves almost all described issues: we don't need to mix operand/case/successor indexing anymore. Base iterator class is implemented as a template since it may be initialized either from "const SwitchInst*" or from "SwitchInst*".

ConstCaseIt is just a read-only iterator.
CaseIt is read-write iterator; it allows to change case successor and case value.

Usage of iterator allows totally remove resolveXXXX methods. All indexing convertions done automatically inside the iterator's getters.

Main way of iterator usage looks like this:
SwitchInst *SI = ... // intialize it somehow

for (SwitchInst::CaseIt i = SI->caseBegin(), e = SI->caseEnd(); i != e; ++i) {
  BasicBlock *BB = i.getCaseSuccessor();
  ConstantInt *V = i.getCaseValue();
  // Do something.

If you want to convert case number to TerminatorInst successor index, just use getSuccessorIndex iterator's method.
If you want initialize iterator from TerminatorInst successor index, use CaseIt::fromSuccessorIndex(...) method.

There are also related changes in llvm-clients: klee and clang.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152297 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoRe-commit r152202 hopefully fixing the MSVC linker error.
Craig Topper [Thu, 8 Mar 2012 06:55:27 +0000 (06:55 +0000)]
Re-commit r152202 hopefully fixing the MSVC linker error.

Original commit message:
Use uint16_t to store InstrNameIndices in MCInstrInfo. Add asserts to protect all 16-bit string table offsets. Also make sure the string to offset table string is not larger than 65536 characters since larger string literals aren't portable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152296 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoRevert r152288, "[ADT] Change the trivial FoldingSetNodeID::Add* methods to be
Daniel Dunbar [Thu, 8 Mar 2012 04:17:15 +0000 (04:17 +0000)]
Revert r152288, "[ADT] Change the trivial FoldingSetNodeID::Add* methods to be
inline.", which is breaking the bots in a way I don't understand.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152295 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoTest case for r152280, r152285 and r152290.
Akira Hatanaka [Thu, 8 Mar 2012 03:32:42 +0000 (03:32 +0000)]
Test case for r152280, r152285 and r152290.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152292 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoInvoke setTargetDAGCombine for SELECT.
Akira Hatanaka [Thu, 8 Mar 2012 03:26:37 +0000 (03:26 +0000)]
Invoke setTargetDAGCombine for SELECT.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152290 91177308-0d34-0410-b5e6-96231b3b80d8

10 years ago[ADT] Change the trivial FoldingSetNodeID::Add* methods to be inline.
Daniel Dunbar [Thu, 8 Mar 2012 02:52:00 +0000 (02:52 +0000)]
[ADT] Change the trivial FoldingSetNodeID::Add* methods to be inline.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152288 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoSwap the operands of a select node if the false (the second) operand is 0.
Akira Hatanaka [Thu, 8 Mar 2012 02:14:24 +0000 (02:14 +0000)]
Swap the operands of a select node if the false (the second) operand is 0.

For example, this pattern
(select (setcc lhs, rhs, cc), true, 0)
is transformed to this one:
(select (setcc lhs, rhs, inverse(cc)), 0, true)

This enables MipsDAGToDAGISel::ReplaceUsesWithZeroReg (added in r152280) to
replace 0 with $zero.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152285 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoRotate two of the functions used to count bonuses for the inline cost
Chandler Carruth [Thu, 8 Mar 2012 02:04:19 +0000 (02:04 +0000)]
Rotate two of the functions used to count bonuses for the inline cost
analysis to be methods on the cost analysis's function info object
instead of the code metrics object. These really are just users of the
code metrics, they're building the information for the function's

This is the first step of growing the amount of information we collect
about a function in order to cope with pair-wise simplifications due to

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152283 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoSet minimum function alignment to 3 if target is Mips64.
Akira Hatanaka [Thu, 8 Mar 2012 01:59:33 +0000 (01:59 +0000)]
Set minimum function alignment to 3 if target is Mips64.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152282 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoThis patch eliminates redundant instructions that produce 0.
Akira Hatanaka [Thu, 8 Mar 2012 01:51:59 +0000 (01:51 +0000)]
This patch eliminates redundant instructions that produce 0.

For example, the first instruction in the code below can be eliminated if the
use of $vr0 is replaced with $zero:

addiu $vr0, $zero, 0
add $vr2, $vr1, $vr0

add $vr2, $vr1, $zero

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152280 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agomisched interface: Expose the MachineScheduler pass.
Andrew Trick [Thu, 8 Mar 2012 01:41:12 +0000 (01:41 +0000)]
misched interface: Expose the MachineScheduler pass.

Allow targets to provide their own schedulers (subclass of
ScheduleDAGInstrs) to the misched pass. Select schedulers using

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152278 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoARM don't use MCRelaxAll, as it's not safe on ARM.
Jim Grosbach [Thu, 8 Mar 2012 00:07:52 +0000 (00:07 +0000)]
ARM don't use MCRelaxAll, as it's not safe on ARM.

The ARM code generator makes aggressive assumptions about the encodings
being selected for branches which MCRelaxAll invalidates.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152268 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoImproved support in RuntimeDyldMachO for generating
Sean Callanan [Wed, 7 Mar 2012 23:05:25 +0000 (23:05 +0000)]
Improved support in RuntimeDyldMachO for generating
code that will be relocated into another memory space.
Now when relocations are resolved, the address of
the relocation in the host memory (where the JIT is)
is passed separately from the address that the
relocation will be at in the target memory (where
the code will run).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152264 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoCleanup VLIWPacketizer to use the updated ScheduleDAGInstrs interface.
Andrew Trick [Wed, 7 Mar 2012 23:01:09 +0000 (23:01 +0000)]
Cleanup VLIWPacketizer to use the updated ScheduleDAGInstrs interface.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152262 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agomisched prep: Expose the ScheduleDAGInstrs interface so targets may
Andrew Trick [Wed, 7 Mar 2012 23:01:06 +0000 (23:01 +0000)]
misched prep: Expose the ScheduleDAGInstrs interface so targets may
implement their own MachineScheduler.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152261 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agomisched prep: Remove LLVM_LIBRARY_VISIBILITY from ScheduleDAGInstrs.
Andrew Trick [Wed, 7 Mar 2012 23:01:02 +0000 (23:01 +0000)]
misched prep: Remove LLVM_LIBRARY_VISIBILITY from ScheduleDAGInstrs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152260 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agomisched prep: Comment the ScheduleDAGInstrs interface.
Andrew Trick [Wed, 7 Mar 2012 23:00:59 +0000 (23:00 +0000)]
misched prep: Comment the ScheduleDAGInstrs interface.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152259 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agomisched prep: Cleanup ScheduleDAGInstrs interface.
Andrew Trick [Wed, 7 Mar 2012 23:00:57 +0000 (23:00 +0000)]
misched prep: Cleanup ScheduleDAGInstrs interface.

ScheduleDAGInstrs will be the main interface for MI-level
schedulers. Make sure it's readable: one page of protected fields, one
page of public methids.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152258 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agomisched prep: remove extra "protected"
Andrew Trick [Wed, 7 Mar 2012 23:00:54 +0000 (23:00 +0000)]
misched prep: remove extra "protected"

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152257 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agomisched prep: rename InsertPos to End.
Andrew Trick [Wed, 7 Mar 2012 23:00:52 +0000 (23:00 +0000)]
misched prep: rename InsertPos to End.

ScheduleDAGInstrs knows nothing about how instructions will be moved or inserted.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152256 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agomisched preparation: rename core scheduler methods for consistency.
Andrew Trick [Wed, 7 Mar 2012 23:00:49 +0000 (23:00 +0000)]
misched preparation: rename core scheduler methods for consistency.

We had half the API with one convention, half with another. Now was a
good time to clean it up.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152255 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoCopy the right amount of elements.
Benjamin Kramer [Wed, 7 Mar 2012 22:48:42 +0000 (22:48 +0000)]
Copy the right amount of elements.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152254 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoSmallPtrSet: Copy all the elements when swapping, not just numelements.
Benjamin Kramer [Wed, 7 Mar 2012 22:33:21 +0000 (22:33 +0000)]
SmallPtrSet: Copy all the elements when swapping, not just numelements.

This fixes a build failure in webkit. Copying all elements shouldn't be
necessary, I'll look out for a better fix soon.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152252 91177308-0d34-0410-b5e6-96231b3b80d8

10 years ago[fast-isel] ARMEmitCmp generates FMSTAT, which transfers the floating-point
Chad Rosier [Wed, 7 Mar 2012 20:59:26 +0000 (20:59 +0000)]
[fast-isel] ARMEmitCmp generates FMSTAT, which transfers the floating-point
condition flags to CPSR.  This allows us to simplify SelectCmp.
Patch by Zonr Chang <zonr.xchg@gmail.com>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152243 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoUse llvm-mc instead of llc. Patch by Jack Carter.
Rafael Espindola [Wed, 7 Mar 2012 20:58:59 +0000 (20:58 +0000)]
Use llvm-mc instead of llc. Patch by Jack Carter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152242 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoconfigure: Don't require a perl interpreter to be present, LLVM's buildsystem doesn...
Benjamin Kramer [Wed, 7 Mar 2012 17:07:20 +0000 (17:07 +0000)]
configure: Don't require a perl interpreter to be present, LLVM's buildsystem doesn't depend on perl anymore.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152234 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoRevert r152202 as it's causing internal buildbot failures.
Chad Rosier [Wed, 7 Mar 2012 17:06:40 +0000 (17:06 +0000)]
Revert r152202 as it's causing internal buildbot failures.

Original commit message:
Use uint16_t to store InstrNameIndices in MCInstrInfo. Add asserts to protect
all 16-bit string table offsets. Also make sure the string to offset table
string is not larger than 65536 characters since larger string literals aren't

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152233 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoFix infinite loop in nested multiclasses.
Jakob Stoklund Olesen [Wed, 7 Mar 2012 16:39:35 +0000 (16:39 +0000)]
Fix infinite loop in nested multiclasses.

Patch by Michael Liao!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152232 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoTry a completely different approach to this type trait to appease older
Chandler Carruth [Wed, 7 Mar 2012 12:27:35 +0000 (12:27 +0000)]
Try a completely different approach to this type trait to appease older
compilers. It seems that GCC 4.3 (and likely older) simply aren't going
to do SFINAE on non-type template parameters the way Clang and modern
GCCs do...

Now we detect the implicit conversion to an integer type, and then
blacklist classes, pointers, and floating point types. This seems to
work well enough, and I'm hopeful will return the bots to life.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152227 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoAttempt #2 at appeasing GCC 4.3. This compiler really doesn't like these
Chandler Carruth [Wed, 7 Mar 2012 11:31:11 +0000 (11:31 +0000)]
Attempt #2 at appeasing GCC 4.3. This compiler really doesn't like these

With this change, the pattern used here is *extremely* close to the
pattern used elsewhere in the file, so I'm hoping it survives the

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152225 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoTry to clarify this comment some.
Chandler Carruth [Wed, 7 Mar 2012 10:13:40 +0000 (10:13 +0000)]
Try to clarify this comment some.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152221 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoSwitch the is_integral_or_enum trait machinery to use an explicit
Chandler Carruth [Wed, 7 Mar 2012 10:05:35 +0000 (10:05 +0000)]
Switch the is_integral_or_enum trait machinery to use an explicit
template argument and an *implicit* conversion from '0' to a null
pointer. For some bizarre reason, GCC 4.3.2 thinks that the cast to
'(T*)' is invalid inside of an enumerator's value... which it isn't but
whatever. ;] This pattern is used elsewhere in the type_traits header
and so hopefully will survive the wrath of the build bots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152220 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoWhat's better than fixing and simplifying broken hash functions?
Chandler Carruth [Wed, 7 Mar 2012 09:54:06 +0000 (09:54 +0000)]
What's better than fixing and simplifying broken hash functions?
Deleting them because they aren't used. =D

Yell if you need these, I'm happy to instead replace them with nice uses
of the new infrastructure.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152219 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoRemove another outbreak of customized (and completely broken) hashing.
Chandler Carruth [Wed, 7 Mar 2012 09:39:46 +0000 (09:39 +0000)]
Remove another outbreak of customized (and completely broken) hashing.
This one is particularly annoying because the hashing algorithm is
highly specialized, with a strange "equivalence" definition that subsets
the fields involved.

Still, this looks at the exact same set of data as the old code, but
without bitwise or-ing over parts of it and other mixing badness. No
functionality changed here. I've left a substantial fixme about the fact
that there is a cleaner and more principled way to do this, but it
requires making the equality definition actual stable for particular

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152218 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoAdd support to the hashing infrastructure for automatically hashing both
Chandler Carruth [Wed, 7 Mar 2012 09:32:32 +0000 (09:32 +0000)]
Add support to the hashing infrastructure for automatically hashing both
integral and enumeration types. This is accomplished with a bit of
template type trait magic. Thanks to Richard Smith for the core idea
here to detect viable types by detecting the set of types which can be
default constructed in a template parameter.

This is used (in conjunction with a system for detecting nullptr_t
should it exist) to provide an is_integral_or_enum type trait that
doesn't need a whitelist or direct compiler support.

With this, the hashing is extended to the more general facility. This
will be used in a subsequent commit to hashing more things, but I wanted
to make sure the type trait magic went through the build bots separately
in case other compilers don't like this formulation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152217 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoWhere the BranchFolding pass removes a branch then adds another better branch,
Bill Wendling [Wed, 7 Mar 2012 08:49:42 +0000 (08:49 +0000)]
Where the BranchFolding pass removes a branch then adds another better branch,
the DebugLoc information can be maintained throughout by grabbing the DebugLoc
before the RemoveBranch and then passing the result to the InsertBranch.
Patch by Andrew Stanford-Jason!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152212 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoFix cmake
Andrew Trick [Wed, 7 Mar 2012 05:46:04 +0000 (05:46 +0000)]
Fix cmake

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152210 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agocomment
Andrew Trick [Wed, 7 Mar 2012 05:21:54 +0000 (05:21 +0000)]

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152209 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agomisched preparation: clarify ScheduleDAG and ScheduleDAGInstrs roles.
Andrew Trick [Wed, 7 Mar 2012 05:21:52 +0000 (05:21 +0000)]
misched preparation: clarify ScheduleDAG and ScheduleDAGInstrs roles.

ScheduleDAG is responsible for the DAG: SUnits and SDeps. It provides target hooks for latency computation.

ScheduleDAGInstrs extends ScheduleDAG and defines the current scheduling region in terms of MachineInstr iterators. It has access to the target's scheduling itinerary data. ScheduleDAGInstrs provides the logic for building the ScheduleDAG for the sequence of MachineInstrs in the current region. Target's can implement highly custom schedulers by extending this class.

ScheduleDAGPostRATDList provides the driver and diagnostics for current postRA scheduling. It maintains a current Sequence of scheduled machine instructions and logic for splicing them into the block. During scheduling, it uses the ScheduleHazardRecognizer provided by the target.

Specific changes:
- Removed driver code from ScheduleDAG. clearDAG is the only interface needed.

- Added enterRegion/exitRegion hooks to ScheduleDAGInstrs to delimit the scope of each scheduling region and associated DAG. They should be used to setup and cleanup any region-specific state in addition to the DAG itself. This is necessary because we reuse the same ScheduleDAG object for the entire function. The target may extend these hooks to do things at regions boundaries, like bundle terminators. The hooks are called even if we decide not to schedule the region. So all instructions in a block are "covered" by these calls.

- Added ScheduleDAGInstrs::begin()/end() public API.

- Moved Sequence into the driver layer, which is specific to the scheduling algorithm.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152208 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoScheduleDAGInstrs comments
Andrew Trick [Wed, 7 Mar 2012 05:21:47 +0000 (05:21 +0000)]
ScheduleDAGInstrs comments

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152207 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agomisched preparation: modularize schedule emission.
Andrew Trick [Wed, 7 Mar 2012 05:21:44 +0000 (05:21 +0000)]
misched preparation: modularize schedule emission.

ScheduleDAG has nothing to do with how the instructions are scheduled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152206 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agomisched preparation: modularize schedule printing.
Andrew Trick [Wed, 7 Mar 2012 05:21:40 +0000 (05:21 +0000)]
misched preparation: modularize schedule printing.

ScheduleDAG will not refer to the scheduled instruction sequence.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152205 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agomisched preparation: modularize schedule verification.
Andrew Trick [Wed, 7 Mar 2012 05:21:36 +0000 (05:21 +0000)]
misched preparation: modularize schedule verification.

ScheduleDAG will not refer to the scheduled instruction sequence.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152204 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agowhitespace
Andrew Trick [Wed, 7 Mar 2012 05:21:32 +0000 (05:21 +0000)]

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152203 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoUse uint16_t to store InstrNameIndices in MCInstrInfo. Add asserts to protect all...
Craig Topper [Wed, 7 Mar 2012 05:17:23 +0000 (05:17 +0000)]
Use uint16_t to store InstrNameIndices in MCInstrInfo. Add asserts to protect all 16-bit string table offsets. Also make sure the string to offset table string is not larger than 65536 characters since larger string literals aren't portable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152202 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoMissing change in r152106 for TinyPtrVector.
Eli Friedman [Wed, 7 Mar 2012 03:37:32 +0000 (03:37 +0000)]
Missing change in r152106 for TinyPtrVector.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152201 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoSwitch this code to use hash_combine_range rather than incremental calls
Chandler Carruth [Wed, 7 Mar 2012 03:22:32 +0000 (03:22 +0000)]
Switch this code to use hash_combine_range rather than incremental calls
to hash_combine. One of the interfaces could already do this, and the
other can just use a small buffer. This is a much more efficient way to
use the hash_combine interface, although I don't have any particular
benchmark where this code was hot, so I can't measure much of an impact.
It at least doesn't slow anything down.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152200 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoCache the sized-ness of struct types, once we reach the steady state of
Chandler Carruth [Wed, 7 Mar 2012 02:33:09 +0000 (02:33 +0000)]
Cache the sized-ness of struct types, once we reach the steady state of
"is sized". This prevents every query to isSized() from recursing over
every sub-type of a struct type. This could get *very* slow for
extremely deep nesting of structs, as in 177.mesa.

This change is a 45% speedup for 'opt -O2' of 177.mesa.linked.bc, and
likely a significant speedup for other cases as well. It even impacts
-O0 cases because so many part of the code try to check whether a type
is sized.

Thanks for the review from Nick Lewycky and Benjamin Kramer on IRC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152197 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoRemove an accidental cut/paste of a comment into the middle of
Chandler Carruth [Wed, 7 Mar 2012 02:33:06 +0000 (02:33 +0000)]
Remove an accidental cut/paste of a comment into the middle of
a function. Dunno how I missed this when going through code...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152196 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoNo functionality change. Type::isSized() can be expensive, so avoid calling it
Nick Lewycky [Wed, 7 Mar 2012 02:27:53 +0000 (02:27 +0000)]
No functionality change. Type::isSized() can be expensive, so avoid calling it
until after other inexpensive tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152195 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoARM pre-v6 assembly parsing for umull/smull.
Jim Grosbach [Wed, 7 Mar 2012 01:09:17 +0000 (01:09 +0000)]
ARM pre-v6 assembly parsing for umull/smull.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152188 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoARM pre-v6 alias for 'nop' to 'mov r0, r0'
Jim Grosbach [Wed, 7 Mar 2012 00:52:41 +0000 (00:52 +0000)]
ARM pre-v6 alias for 'nop' to 'mov r0, r0'

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152185 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoTidy up. Remove dead code that slipped into previous commit.
Jim Grosbach [Wed, 7 Mar 2012 00:52:39 +0000 (00:52 +0000)]
Tidy up. Remove dead code that slipped into previous commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152184 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoAdded -view-background to avoid waiting for each GraphViz invocation.
Andrew Trick [Wed, 7 Mar 2012 00:18:27 +0000 (00:18 +0000)]
Added -view-background to avoid waiting for each GraphViz invocation.

GV and XDOT paths are untested but should work the same.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152179 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoAdded -view-misched=dags options.
Andrew Trick [Wed, 7 Mar 2012 00:18:25 +0000 (00:18 +0000)]
Added -view-misched=dags options.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152178 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoCleanup in preparation for misched: Move DAG visualization logic.
Andrew Trick [Wed, 7 Mar 2012 00:18:22 +0000 (00:18 +0000)]
Cleanup in preparation for misched: Move DAG visualization logic.

Soon, ScheduleDAG will not refer to the BB.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152177 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoAdded MachineBasicBlock::getFullName() to standardize/factor codegen diagnostics.
Andrew Trick [Wed, 7 Mar 2012 00:18:18 +0000 (00:18 +0000)]
Added MachineBasicBlock::getFullName() to standardize/factor codegen diagnostics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152176 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agowhitespace
Andrew Trick [Wed, 7 Mar 2012 00:18:15 +0000 (00:18 +0000)]

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152175 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoCleanup: DAG building is specific to either SD or MI scheduling. Not part of the...
Andrew Trick [Wed, 7 Mar 2012 00:18:12 +0000 (00:18 +0000)]
Cleanup: DAG building is specific to either SD or MI scheduling. Not part of the target interface.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152174 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agomisched comments
Andrew Trick [Wed, 7 Mar 2012 00:18:08 +0000 (00:18 +0000)]
misched comments

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152173 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agomisched: Use the StartBlock/FinishBlock hooks
Andrew Trick [Wed, 7 Mar 2012 00:18:05 +0000 (00:18 +0000)]
misched: Use the StartBlock/FinishBlock hooks

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152172 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoAdd the DW_AT_APPLE_runtime_class attribute to forward declarations
Eric Christopher [Wed, 7 Mar 2012 00:15:19 +0000 (00:15 +0000)]
Add the DW_AT_APPLE_runtime_class attribute to forward declarations
as well as completely defined classes.

This fixes rdar://10956070

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152171 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoExtend r148086 to check for [r +/- reg] address mode. This fixes queens performance...
Evan Cheng [Tue, 6 Mar 2012 23:33:32 +0000 (23:33 +0000)]
Extend r148086 to check for [r +/- reg] address mode. This fixes queens performance regression (due to increased register pressure from overly aggressive pre-inc formation).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152162 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoARM more NEON VLD/VST composite physical register refactoring.
Jim Grosbach [Tue, 6 Mar 2012 23:10:38 +0000 (23:10 +0000)]
ARM more NEON VLD/VST composite physical register refactoring.

Register pair, all lanes subscripting.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152157 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoHoist common code out of if statement.
Jakob Stoklund Olesen [Tue, 6 Mar 2012 22:27:13 +0000 (22:27 +0000)]
Hoist common code out of if statement.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152153 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoARM refactor more NEON VLD/VST instructions to use composite physregs
Jim Grosbach [Tue, 6 Mar 2012 22:01:44 +0000 (22:01 +0000)]
ARM refactor more NEON VLD/VST instructions to use composite physregs

Register pair VLD1/VLD2 all-lanes instructions. Kill off more of the
pseudos as a result.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152150 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoFix support for encodings up to 64-bits in length. TableGen was silently truncating...
Owen Anderson [Tue, 6 Mar 2012 21:48:32 +0000 (21:48 +0000)]
Fix support for encodings up to 64-bits in length.  TableGen was silently truncating them to 32-bits prior to this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152148 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoSmallPtrSet: Provide a more efficient implementation of swap than the default triple...
Benjamin Kramer [Tue, 6 Mar 2012 20:40:02 +0000 (20:40 +0000)]
SmallPtrSet: Provide a more efficient implementation of swap than the default triple-copy std::swap.

This currently assumes that both sets have the same SmallSize to keep the implementation simple,
a limitation that can be lifted if someone cares.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152143 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoFix the operand ordering on aliases for shld and shrd. PR12173, part 2.
Eli Friedman [Tue, 6 Mar 2012 19:58:46 +0000 (19:58 +0000)]
Fix the operand ordering on aliases for shld and shrd.  PR12173, part 2.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152136 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoAdd new load commands for MachO.
Ted Kremenek [Tue, 6 Mar 2012 19:54:44 +0000 (19:54 +0000)]
Add new load commands for MachO.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152135 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agobuild/Darwin: Make it easy to cause all tools to get codesigned (with make CODESIGN_T...
Daniel Dunbar [Tue, 6 Mar 2012 19:07:38 +0000 (19:07 +0000)]
build/Darwin: Make it easy to cause all tools to get codesigned (with make CODESIGN_TOOLS=1).
 - On OS X 10.7+ this is apparently recommended practice. This maybe should
   become a configurey thing one day, but I'm not sure it is right to
   automatically turn it on.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152133 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoTidy up. Kill some dead code.
Jim Grosbach [Tue, 6 Mar 2012 18:59:19 +0000 (18:59 +0000)]
Tidy up. Kill some dead code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152131 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoAllow the same types in DPair as in QPR.
Jakob Stoklund Olesen [Tue, 6 Mar 2012 18:44:11 +0000 (18:44 +0000)]
Allow the same types in DPair as in QPR.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152129 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoFix a bug in the ARM disassembly of the neon VLD2 all lanes instruction.
Kevin Enderby [Tue, 6 Mar 2012 18:33:12 +0000 (18:33 +0000)]
Fix a bug in the ARM disassembly of the neon VLD2 all lanes instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152127 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoConvert PowerPC to register mask operands.
Roman Divacky [Tue, 6 Mar 2012 16:41:49 +0000 (16:41 +0000)]
Convert PowerPC to register mask operands.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152122 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoRemove excess const, a const_iterator shouldn't be const itself.
Benjamin Kramer [Tue, 6 Mar 2012 13:32:36 +0000 (13:32 +0000)]
Remove excess const, a const_iterator shouldn't be const itself.

Fixes 1242 warnings from gcc during clang build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152120 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoChange ConstantAggrUniqueMap to use Chandler's new hashing
Jay Foad [Tue, 6 Mar 2012 10:43:52 +0000 (10:43 +0000)]
Change ConstantAggrUniqueMap to use Chandler's new hashing
implementation. Patch by Meador Inge

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152116 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoAdd column width.
Bill Wendling [Tue, 6 Mar 2012 09:23:25 +0000 (09:23 +0000)]
Add column width.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152115 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoRemove short tag marker.
Bill Wendling [Tue, 6 Mar 2012 09:22:03 +0000 (09:22 +0000)]
Remove short tag marker.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152114 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoAppease the HTML validation gods.
Bill Wendling [Tue, 6 Mar 2012 09:20:59 +0000 (09:20 +0000)]
Appease the HTML validation gods.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152113 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoFix validation errors.
Bill Wendling [Tue, 6 Mar 2012 09:17:39 +0000 (09:17 +0000)]
Fix validation errors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152112 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoFix validation errors.
Bill Wendling [Tue, 6 Mar 2012 09:17:04 +0000 (09:17 +0000)]
Fix validation errors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152111 91177308-0d34-0410-b5e6-96231b3b80d8

10 years agoAdd missing end tags.
Bill Wendling [Tue, 6 Mar 2012 08:59:13 +0000 (08:59 +0000)]
Add missing end tags.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152110 91177308-0d34-0410-b5e6-96231b3b80d8

10 years ago[TinyPtrVector] Add erase method and const-goodness.
Argyrios Kyrtzidis [Tue, 6 Mar 2012 07:14:58 +0000 (07:14 +0000)]
[TinyPtrVector] Add erase method and const-goodness.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152107 91177308-0d34-0410-b5e6-96231b3b80d8