Commit Graph

85182 Commits

Author SHA1 Message Date
Chandler Carruth
c370acdf96 Add a major missing piece to the new SROA pass: aggressive splitting of
FCAs. This is essential in order to promote allocas that are used in
struct returns by frontends like Clang. The FCA load would block the
rest of the pass from firing, resulting is significant regressions with
the bullet benchmark in the nightly test suite.

Thanks to Duncan for repeated discussions about how best to do this, and
to both him and Benjamin for review.

This appears to have blocked many places where the pass tries to fire,
and so I'm expect somewhat different results with this fix added.

As with the last big patch, I'm including a change to enable the SROA by
default *temporarily*. Ben is going to remove this as soon as the LNT
bots pick up the patch. I'm just trying to get a round of LNT numbers
from the stable machines in the lab.

NOTE: Four clang tests are expected to fail in the brief window where
this is enabled. Sorry for the noise!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164119 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 12:57:43 +00:00
Richard Osborne
d7cc8b839c Fix instcombine to obey requested alignment when merging allocas.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164117 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 09:31:44 +00:00
James Molloy
97ecb83dff More domain conversion; convert VFP VMOVS to NEON instructions in more cases - when we may clobber the other S-lane by converting an S to a D instruction, make an effort to work out if the S lane is clobberable or not.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164114 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 08:31:15 +00:00
Craig Topper
3a36444366 Make custom operand parsing mnemonic indices use the same mnemonic table as the match table. Reorder fields in OperandMatchEntry to provide the least amount of padding for in tree targets.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164109 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 07:02:21 +00:00
Craig Topper
fee7f01d1e Use variable type for index into mnemonic table. Shrinks size of index field on in tree targets. Saving static data space.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164108 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 06:10:45 +00:00
Andrew Trick
34aadd6334 Replaced ReInitMCSubtargetInfo with InitMCProcessor.
Now where we used to call ReInitMCSubtargetInfo, we actually recompute
the same information as InitMCSubtargetInfo instead of only setting
the feature bits.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164105 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 05:33:15 +00:00
Craig Topper
88b5a2bf34 Add LLVM_DELETED_FUNCTION to coding standards.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164101 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 04:43:40 +00:00
Craig Topper
cee033188f Fix a typo. No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164100 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 04:43:05 +00:00
Andrew Trick
39adb180bc Let NULL slip through again.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164099 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 04:18:39 +00:00
Andrew Trick
34301ceca8 TargetSchedModel API. Implement latency lookup, disabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164098 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 04:03:34 +00:00
Andrew Trick
e076bb1e93 comment typo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164097 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 04:03:30 +00:00
Andrew Trick
e3dbc98a4f TableGen subtarget emitter. Use getSchedClassIdx.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164096 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 03:55:55 +00:00
Andrew Trick
4d2d1c49d7 TableGen subtarget emitter. Generate resolveSchedClass generated hook for resolving instruction variants.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164095 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 03:41:43 +00:00
Andrew Trick
ee290ba35a TableGen subtarget emitter. Remove unnecessary header dependence.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164094 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 03:32:57 +00:00
Craig Topper
ef1623fb59 Mark unimplemented operator new as LLVM_DELETED_FUNCTION.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164093 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 03:25:49 +00:00
Andrew Trick
e127dfd0b1 TableGen subtarget emitter. Initialize MCSubtargetInfo with the new machine model.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164092 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 03:18:56 +00:00
Craig Topper
0cb0a35337 Mark constructors, destructors, and operator new commented as 'do not implement' with LLVM_DELETED_FUNCTION instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164091 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 02:05:45 +00:00
Craig Topper
c2945e44d5 Mark unimplemented copy constructors and copy assignment operators as LLVM_DELETED_FUNCTION.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164090 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 02:01:41 +00:00
Evan Cheng
d10eab0a95 Use vld1 / vst2 for unaligned v2f64 load / store. e.g. Use vld1.16 for 2-byte
aligned address. Based on patch by David Peixotto.

Also use vld1.64 / vst1.64 with 128-bit alignment to take advantage of alignment
hints. rdar://12090772, rdar://12238782


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164089 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 01:42:45 +00:00
Craig Topper
b198f5c897 Mark asm matcher conversion table as const.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164088 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 01:41:49 +00:00
Evan Cheng
fe257cc8af Fix some funky indentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164087 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 01:34:40 +00:00
Craig Topper
be480ff607 Fix typo in comment. No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164086 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 01:13:36 +00:00
Manman Ren
222d6192ad PGO: preserve branch-weight metadata when simplifying Switch to a sub, an icmp
and a conditional branch; also when removing dead cases from a switch.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164084 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 00:47:33 +00:00
Andrew Trick
e4095f95ac Backout the wrong subtarget emitter fix
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164078 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 23:14:15 +00:00
Manman Ren
b010277b59 PGO: preserve branch-weight metadata when simplifying Switch
Hanlde the case when we split the default edge if the default target has "icmp"
and unconditinal branch.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164076 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 23:07:43 +00:00
Andrew Trick
f23ddf54ea Fix release build after reverting
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164075 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 23:05:04 +00:00
Jakob Stoklund Olesen
87f7864c6d Merge into undefined lanes under -new-coalescer.
Add LIS::pruneValue() and extendToIndices(). These two functions are
used by the register coalescer when merging two live ranges requires
more than a trivial value mapping as supported by LiveInterval::join().

The pruneValue() function can remove the part of a value number that is
going to conflict in join(). Afterwards, extendToIndices can restore the
live range, using any new dominating value numbers and updating the SSA
form.

Use this complex value mapping to support merging a register into a
vector lane that has a conflicting value, but the clobbered lane is
undef.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164074 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 23:03:25 +00:00
Jakob Stoklund Olesen
98279e8d65 Stop adding <imp-def> operands when expanding REG_SEQUENCE.
These extra operands are not needed by register allocators using
VirtRegRewriter, and RAFast don't need them any longer.

By omitting the <imp-def> operands, it becomes possible for the new
register coalescer to track which lanes are valid and which are undef.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164073 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 23:03:21 +00:00
Andrew Trick
e1b5328717 Revert r164061-r164067. Most of the new subtarget emitter.
I have to work out the Target/CodeGen header dependencies
before putting this back.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164072 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 23:00:42 +00:00
Richard Smith
419e5b9d4f Remove redundant semicolons to fix -pedantic-errors build break with older Clangs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164071 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 22:52:05 +00:00
NAKAMURA Takumi
89a4058da1 llvm/Target/TargetSubtargetInfo.h: Fix case in #include, s#llvm/Codegen/#llvm/CodeGen#.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164070 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 22:34:56 +00:00
Manman Ren
b11cbe6b23 PGO: preserve branch-weight metadata when simplifying SwitchOnSelect.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164068 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 22:28:55 +00:00
Andrew Trick
97d552e5c7 Don't use NULL as a fake keyword
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164067 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 22:26:34 +00:00
Andrew Trick
a2a47d1c50 InitMCProcessor
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164066 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 22:19:12 +00:00
Andrew Trick
12886db4a7 TargetSchedModel API. Implement latency lookup, disabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164065 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 22:19:08 +00:00
Andrew Trick
5d94082143 comment typo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164064 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 22:19:04 +00:00
Andrew Trick
41be51b72c TableGen subtarget emitter. Use getSchedClassIdx.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164063 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 22:19:01 +00:00
Andrew Trick
021ba269b2 TableGen subtarget emitter. Generate resolveSchedClass generated hook for resolving instruction variants.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164062 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 22:18:58 +00:00
Andrew Trick
db7afac457 TableGen subtarget emitter. Initialize MCSubtargetInfo with the new machine model.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164061 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 22:18:55 +00:00
Andrew Trick
544c88039f TableGen subtarget emitter. Format and emit data tables for the new machine model.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164060 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 22:18:50 +00:00
Andrew Trick
52c3a1d654 TableGen subtarget emitter. Generate data tables for the new machine model.
Map the CodeGenSchedule object model onto data tables. The structure
of the data tables is defined in MC, so for convenience we include
MCSchedule.h. The alternative is maintaining a redundant copy of the
table structure definitions. Mapping the object model onto data tables
is sufficiently complicated that it should not be interleaved with
emitting source code. This avoids major problem with the backend for
itinerary generation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164059 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 22:18:48 +00:00
Andrew Trick
40096d2693 TableGen subtarget emitter. Emit processor resources for the new machine model.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164058 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 22:18:45 +00:00
Andrew Trick
bc4ff6e3cf TableGen subtarget parser: Add getProcResourcesIdx().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164057 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 22:18:43 +00:00
Jan Wen Voung
b024b7014a Add some cases to x86 OptimizeCompare to handle DEC and INC, too.
While we are setting the earlier def to true, also make it live.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164056 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 22:04:23 +00:00
Manman Ren
566540332f PGO: preserve branch-weight metadata when simplifying two branches with a common
destination in SimplifyCondBranchToCondBranch.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164054 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 21:30:40 +00:00
Akira Hatanaka
ff1547890a Make sure there is enough room for RA. getStackSize needs to be cleaned up but
we will do that when we implement the full save/restore.

Patch by Reed Kotler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164051 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 20:02:42 +00:00
Michael Ilseman
8dcc99496d Increase the static sizes of some SmallSets. finalizeBundle() is very frequently called for some backends, and growing into an std::set is overkill for these numbers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164044 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 18:31:15 +00:00
Michael Ilseman
2b94302433 whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164043 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 18:25:23 +00:00
Michael Liao
bb73002247 Fix PR13859
- Preserve the original NOutVT during casting from vector to integer by
  extracting vector elements.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164042 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 18:05:20 +00:00
Jim Grosbach
9bb938c540 TableGen: Add initializer.
Keep GCC's warnings happy. It can't reason out that the state machine won't
ever hit the potentially uninitialized use in OPC_FilterValue.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164041 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17 18:00:53 +00:00