Commit Graph

74270 Commits

Author SHA1 Message Date
Jakub Staszak
f55c1c8588 Rename BlockFrequency to BlockFrequencyInfo and MachineBlockFrequency to
MachineBlockFrequencyInfo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135937 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25 19:25:40 +00:00
Evan Cheng
8c3fee5903 Refactor X86 target to separate MC code from Target code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135930 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25 18:43:53 +00:00
Bill Wendling
c57e7dbfaf Changed disabled code into a flag.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135924 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25 18:04:49 +00:00
Bill Wendling
091a864f06 Remove dead variable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135923 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25 18:01:27 +00:00
Bill Wendling
09b02c8ddd After we've modified the prolog to save volatile registers, generate the compact
unwind encoding for that function. This simply crawls through the prolog looking
for machine instrs marked as "frame setup". It can calculate from these what the
compact unwind should look like.

This is currently disabled because of needed linker support. But initial tests
look good.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135922 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25 18:00:28 +00:00
Jim Grosbach
f2a35fbd60 Move some ELF directives into ELF asm parser.
The .local, .hidden, .internal, and .protected are not legal for all supported
file formats (in particular, they're invalid for MachO). Move the parsing for
them into the ELF assembly parser since that's the format they're for.
Similarly, .weak is used by COFF and ELF, but not MachO, so move the parsing
to the COFF and ELF asm parsers. Previously, using any of these directives
on Darwin would result in an assertion failure in the parser; now we get
a diagnostic as we should.

rdar://9827089


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135921 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25 17:55:35 +00:00
Oscar Fuentes
5fe5203c23 Builds llvmc and its examples with CMake.
Patch by arrowdodger!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135919 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25 17:25:10 +00:00
Oscar Fuentes
796f925175 Fixes VS support for llvmc mcc16 llvmc example.
Patch by arrowdodger!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135918 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25 17:24:54 +00:00
Jim Grosbach
cc866d5d2d Tidy up. 80 columns.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135917 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25 17:11:29 +00:00
Rafael Espindola
fbff0ec2c7 Add uwtable to the langref.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135913 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25 15:27:59 +00:00
Jakob Stoklund Olesen
49743b18f5 Add an RS_Split2 stage used for loop prevention.
This mechanism already exists, but the RS_Split2 stage makes it clearer.

When live range splitting creates ranges that may not be making
progress, they are marked RS_Split2 instead of RS_New. These ranges may
be split again, but only in a way that can be proven to make progress.

For local ranges, that means they must be split into ranges used by
strictly fewer instructions.

For global ranges, region splitting is bypassed and the RS_Split2
ranges go straight to per-block splitting.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135912 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25 15:25:43 +00:00
Jakob Stoklund Olesen
fa89a0344b Rename live range stages to better reflect how they are used.
The stage is used to control where a live range is going, not where it
is coming from. Live ranges created by splitting will usually be marked
RS_New, but some are marked RS_Spill to avoid wasting time trying to
split them again.

The old RS_Global and RS_Local stages are merged - they are really the
same thing for local and global live ranges.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135911 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25 15:25:41 +00:00
Frits van Bommel
2eb40f6d86 Shorten some expressions by using ArrayRef::slice().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135910 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25 15:13:01 +00:00
Oscar Fuentes
ddfb69cd47 CMake: generalize the system that creates custom targets for
tablegenning to all libraries and executables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135908 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25 14:11:55 +00:00
Jay Foad
6d0ac80d5e Remove uses of std::vector from TypeBuilder.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135906 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25 10:32:27 +00:00
Jay Foad
166579e287 Use ArrayRef in the (protected) constructors of ConstantArray, ConstantStruct and ConstantVector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135905 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25 10:14:44 +00:00
Jay Foad
a9203109f4 Convert GetElementPtrInst to use ArrayRef.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135904 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25 09:48:08 +00:00
Chris Lattner
b7fbcc9696 switch Triple to take twines instead of stringrefs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135889 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-24 20:45:08 +00:00
Chris Lattner
3f25ee080c Add Twine support for characters, and switch twine to use a union internally
to eliminate some casting.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135888 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-24 20:44:30 +00:00
Jakob Stoklund Olesen
81d686edbe Never extend live ranges for <undef> uses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135886 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-24 20:33:23 +00:00
Jakob Stoklund Olesen
b09701db9e Correctly handle <undef> tied uses when rewriting after a split.
This fixes PR10463. A two-address instruction with an <undef> use
operand was incorrectly rewritten so the def and use no longer used the
same register, violating the tie constraint.

Fix this by always rewriting <undef> operands with the register a def
operand would use.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135885 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-24 20:23:50 +00:00
Frits van Bommel
f627530999 Omit explicit length here, now that I've had a chance to test this with gcc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135867 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-24 09:53:46 +00:00
Roman Divacky
d5601cc810 Set PPCII::MO_DARWIN_STUB only on MacOSX < 10.5.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135866 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-24 08:22:56 +00:00
Chris Lattner
628ed39dcf clarify that opaque is actually a struct type, PR10430
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135861 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23 19:59:08 +00:00
Chris Lattner
ec8f1ea22b how about that, StringRef doesn't allow any mutation, thanks to
Frits for straightening me out.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135856 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23 17:18:57 +00:00
Jakob Stoklund Olesen
87972fa63f Add RAGreedy::calcCompactRegion.
This method computes the edge bundles that should be live when splitting
around a compact region. This is independent of interference.

The function returns false if the live range was already a compact
region, or the compact region doesn't have any live bundles - it would
be the same as splitting around basic blocks.

Compact regions are computed using the normal spill placement code. We
pretend there is interference in all live-through blocks that don't use
the live range. This removes all edges from the Hopfield network used
for spill placement, so it converges instantly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135847 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23 03:41:57 +00:00
Jakob Stoklund Olesen
fe9b2d142a Fix bug in SplitEditor::splitLiveThroughBlock when switching registers.
If there is no interference and no last split point, we cannot
enterIntvBefore(Stop) - that function needs a real instruction.

Use enterIntvAtEnd instead for that very easy case.

This code doesn't currently run, it is needed by multi-way splitting.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135846 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23 03:32:26 +00:00
Jakob Stoklund Olesen
b4666364f4 Prepare RAGreedy::growRegion for compact regions.
A split candidate can have a null PhysReg which means that it doesn't
map to a real interference pattern. Instead, pretend that all through
blocks have interference.

This makes it possible to generate compact regions where the live range
doesn't go through blocks that don't use it. The live range will still
be live between directly connected blocks with uses.

Splitting around a compact region tends to produce a live range with a
high spill weight, so it may evict a less dense live range.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135845 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23 03:22:33 +00:00
Jakob Stoklund Olesen
e60f103d2d Add a simple method for marking blocks with interference in and out.
This method matches addLinks - All the listed blocks are considered to
have interference, so they add a negative bias to their bundles.

This could also be done by addConstraints, but that requires building a
separate BlockConstraint array.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135844 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23 03:10:19 +00:00
Jakob Stoklund Olesen
c7931fd725 Allow null interference cursors to be queried.
They always report 'no interference'.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135843 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23 03:10:17 +00:00
Benjamin Kramer
59a4f9af0a Fix a silly off by one.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135842 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23 03:04:46 +00:00
Benjamin Kramer
a397a11c7c We always bounds check the bit set, there is no need to emit zero bytes at the end.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135841 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23 02:49:37 +00:00
Benjamin Kramer
71883edee2 Add more constness.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135838 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23 01:40:15 +00:00
NAKAMURA Takumi
883d99f70b ARMMCTargetDesc.h: Fixup to add DataTypes.h, or uint32_t would be unavailable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135837 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23 01:16:22 +00:00
Benjamin Kramer
9df8567548 Turn the DenseSet in MCRegisterClass into a tblgenerated bit field. This should be faster and smaller.
Goodbye static ctors and dtors!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135836 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23 00:47:49 +00:00
Benjamin Kramer
f496d68493 Give TargetRegisterClass a pointer to the MCRegisterClass and use it to access its data.
This makes TargetRegisterClass slightly slower. Next step will be making contains faster.
Eventually TargetRegisterClass will be killed entirely.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135835 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23 00:47:46 +00:00
Evan Cheng
a7cfc08ebe Move TargetAsmParser.h TargetAsmBackend.h and TargetAsmLexer.h to MC where they belong.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135833 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23 00:45:41 +00:00
NAKAMURA Takumi
7decee357b CMake: Fix LLVM_NATIVE_TARGETMC in config.h.cmake.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135832 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23 00:45:23 +00:00
NAKAMURA Takumi
4aa8fe8b24 config.h.cmake: Reorder along config.h.in.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135831 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23 00:45:16 +00:00
Andrew Trick
2045ce154a Move trip count discovery outside of the generic LoopUnroll helper. This
removes its dependence on canonical induction variables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135829 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23 00:33:05 +00:00
Andrew Trick
ba03377fa1 whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135828 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23 00:29:16 +00:00
Evan Cheng
7f8dff6571 createXXXMCCodeGenInfo should be static.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135826 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23 00:01:04 +00:00
Evan Cheng
be74029f44 Sink ARM mc routines into MCTargetDesc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135825 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23 00:00:19 +00:00
Jim Grosbach
4a5ffb399f ARM SSAT instruction 5-bit immediate handling.
The immediate is in the range 1-32, but is encoded as 0-31 in a 5-bit bitfield.
Update the representation such that we store the operand as 0-31, allowing us
to remove the encoder method and the special case handling in the disassembler.
Update the assembly parser and the instruction printer accordingly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135823 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22 23:16:18 +00:00
Dan Gohman
4428069f10 Move the last uses of RetainFunc etc. over to using getRetainCallee() etc.
so that a declaration for objc_retain is created when needed if it doesn't
already exist. rdar://9825114.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135821 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22 22:29:21 +00:00
Oscar Fuentes
1608637bbd Teach cmake configured headers about LLVM_NATIVE_TARGETMC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135820 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22 22:21:47 +00:00
Jim Grosbach
6ab4e3dd23 Add FIXME
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135819 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22 22:15:38 +00:00
Jim Grosbach
0e76edf8c0 ARM encoding and assembly parsing tests for SMULWB, SMULWT, SMUSD and SMUSDX.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135818 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22 22:13:00 +00:00
Jim Grosbach
bf2845c0d8 ARM assembly parsing and encoding updates.
Tests for SMULBB, SMLALBT, SMLALTB, SMLALTT, and SMULL. Fix parsing of SMULLS.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135817 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22 22:06:05 +00:00
Benjamin Kramer
256535f136 Use the enum value for RegClassIDs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135816 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22 22:01:58 +00:00