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Author SHA1 Message Date
Jakob Stoklund Olesen
53bc83b5d0 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.

llvm-svn: 135846
 2011-07-23 03:32:26 +00:00
Jakob Stoklund Olesen
ec1337a6e8 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.

llvm-svn: 135845
 2011-07-23 03:22:33 +00:00
Jakob Stoklund Olesen
72ba470ad6 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.

llvm-svn: 135844
 2011-07-23 03:10:19 +00:00
Jakob Stoklund Olesen
4b2cc68d11 Allow null interference cursors to be queried. 
They always report 'no interference'.

llvm-svn: 135843
 2011-07-23 03:10:17 +00:00
Benjamin Kramer
40ed4c3e06 Fix a silly off by one. 
llvm-svn: 135842
 2011-07-23 03:04:46 +00:00
Benjamin Kramer
cbeec9972e We always bounds check the bit set, there is no need to emit zero bytes at the end. 
llvm-svn: 135841
 2011-07-23 02:49:37 +00:00
Benjamin Kramer
35d7f76497 Add more constness. 
llvm-svn: 135838
 2011-07-23 01:40:15 +00:00
NAKAMURA Takumi
54f168f5a5 ARMMCTargetDesc.h: Fixup to add DataTypes.h, or uint32_t would be unavailable. 
llvm-svn: 135837
 2011-07-23 01:16:22 +00:00
Benjamin Kramer
a1e84a1998 Turn the DenseSet in MCRegisterClass into a tblgenerated bit field. This should be faster and smaller. 
Goodbye static ctors and dtors!

llvm-svn: 135836
 2011-07-23 00:47:49 +00:00
Benjamin Kramer
0fc2a68e8f 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.

llvm-svn: 135835
 2011-07-23 00:47:46 +00:00
Evan Cheng
13d54fc7c9 Move TargetAsmParser.h TargetAsmBackend.h and TargetAsmLexer.h to MC where they belong. 
llvm-svn: 135833
 2011-07-23 00:45:41 +00:00
NAKAMURA Takumi
0912faa08f CMake: Fix LLVM_NATIVE_TARGETMC in config.h.cmake. 
llvm-svn: 135832
 2011-07-23 00:45:23 +00:00
NAKAMURA Takumi
e8c8f7fe0e config.h.cmake: Reorder along config.h.in. 
llvm-svn: 135831
 2011-07-23 00:45:16 +00:00
Andrew Trick
53ed0491c0 Move trip count discovery outside of the generic LoopUnroll helper. This 
removes its dependence on canonical induction variables.

llvm-svn: 135829
 2011-07-23 00:33:05 +00:00
Andrew Trick
6dc31a31ed whitespace 
llvm-svn: 135828
 2011-07-23 00:29:16 +00:00
Evan Cheng
f2dd840123 createXXXMCCodeGenInfo should be static. 
llvm-svn: 135826
 2011-07-23 00:01:04 +00:00
Evan Cheng
41aa34c417 Sink ARM mc routines into MCTargetDesc. 
llvm-svn: 135825
 2011-07-23 00:00:19 +00:00
Jim Grosbach
dd6b9fa0da 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.

llvm-svn: 135823
 2011-07-22 23:16:18 +00:00
Dan Gohman
1c4dff0ab3 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.

llvm-svn: 135821
 2011-07-22 22:29:21 +00:00
Oscar Fuentes
260c1b0c41 Teach cmake configured headers about LLVM_NATIVE_TARGETMC 
llvm-svn: 135820
 2011-07-22 22:21:47 +00:00
Jim Grosbach
0bfa6a6db7 Add FIXME 
llvm-svn: 135819
 2011-07-22 22:15:38 +00:00
Jim Grosbach
daf04c88c2 ARM encoding and assembly parsing tests for SMULWB, SMULWT, SMUSD and SMUSDX. 
llvm-svn: 135818
 2011-07-22 22:13:00 +00:00
Jim Grosbach
a7a6658647 ARM assembly parsing and encoding updates. 
Tests for SMULBB, SMLALBT, SMLALTB, SMLALTT, and SMULL. Fix parsing of SMULLS.

llvm-svn: 135817
 2011-07-22 22:06:05 +00:00
Benjamin Kramer
482060e67b Use the enum value for RegClassIDs. 
llvm-svn: 135816
 2011-07-22 22:01:58 +00:00
Evan Cheng
7b4cb12a95 Combine all MC initialization routines into one. e.g. InitializeX86MCAsmInfo, 
InitializeX86MCInstrInfo, etc. are combined into InitializeX86TargetMC.

llvm-svn: 135812
 2011-07-22 21:58:54 +00:00
Chris Lattner
410e97a81b add section to ToC 
llvm-svn: 135811
 2011-07-22 21:36:29 +00:00
Jim Grosbach
1e724e3217 ARM assembly parsing and encoding tests. 
Add tests for SMLSD, SMLSDX, SMLSLD, SMLSLDX, SMMLA, SMMLAR, SMMLS, SMMLSR,
SMMUL, SMMULR, SMUAD and SMUADX.

llvm-svn: 135810
 2011-07-22 21:34:56 +00:00
Chris Lattner
b687e3c0e6 write the long-overdue strings section of the data structure guide. 
llvm-svn: 135809
 2011-07-22 21:34:12 +00:00
Bill Wendling
d319d42aea Emit the __compact_unwind section first. If there are any frames which weren't 
emitted, emit them next as CIE/FDEs.

llvm-svn: 135807
 2011-07-22 21:18:59 +00:00
Bill Wendling
a289f709aa Add a method to set the compact unwind info. 
llvm-svn: 135806
 2011-07-22 21:17:05 +00:00
Bill Wendling
2eea7949c2 Add a method to get the list of FrameInfos. 
llvm-svn: 135805
 2011-07-22 21:16:32 +00:00
Bruno Cardoso Lopes
7347599e42 Fix test check! 
llvm-svn: 135802
 2011-07-22 20:55:28 +00:00
Bruno Cardoso Lopes
50a38b479a Fix PR10422 by adding the necessary AVX UCOMISD memory versions to 
load folding logic

llvm-svn: 135801
 2011-07-22 20:53:20 +00:00
Jim Grosbach
f7780d14ce ARM assembly parsing and encoding tests for SMLAWB/SMLAWT. 
llvm-svn: 135800
 2011-07-22 20:51:24 +00:00
Chris Lattner
2e2fa87d6b move the section for string-like containers to follow the section for sequential containers. 
llvm-svn: 135799
 2011-07-22 20:46:49 +00:00
Jim Grosbach
7ee1e3dc6c ARM assembly parsing and encoding tests. 
Tests for SMLAL, SMLALBB, SMLALBT, SMLALTB, SMLALTT, SMLALD, and SMLALDX
instructions.

llvm-svn: 135798
 2011-07-22 20:30:40 +00:00
Jim Grosbach
9ffa43becc ARM assembly parsing and encoding of SMLAL instruction. 
Fix parsing of carry-setting variant SMLALS and add tests.

llvm-svn: 135797
 2011-07-22 20:18:21 +00:00
Jim Grosbach
4f1031662f ARM encoding and assembly parsing of SMLAD{X} instructions. 
Fix encoding of destination register. Add tests.

llvm-svn: 135796
 2011-07-22 20:11:20 +00:00
Jim Grosbach
5b69318e51 ARM testcases for assembly parsing and encoding SMLA* instructions. 
llvm-svn: 135795
 2011-07-22 20:01:34 +00:00
Bruno Cardoso Lopes
5382a1e65e Add v8f32->v8i32 bitcast. Fixes PR10440 
llvm-svn: 135794
 2011-07-22 19:51:02 +00:00
Rafael Espindola
0c8190c4a3 Turn shuffles into unpacks for VT == MVT::v2i64 and MVT::v2f64 
too. Patch by Jeff Muizelaar.

llvm-svn: 135789
 2011-07-22 18:56:05 +00:00
Dan Gohman
734f165c30 Fix x86's XALUO lowering to return its replacement values instead 
of doing the RAUW calls for the overflow value itself. This makes
it more consistent with how the rest of LegalizeDAG works.

llvm-svn: 135788
 2011-07-22 18:45:15 +00:00
Benjamin Kramer
7ca016ba15 llvm-objdump: Don't ignore errors from raw_fd_ostream. 
llvm-svn: 135787
 2011-07-22 18:35:11 +00:00
Benjamin Kramer
3a31700631 llvm-objdump: Skip branches that leave the current function. 
In "normal" code these only happen when disassembling data, so we
won't lose anything if we just drop them.

llvm-svn: 135786
 2011-07-22 18:35:09 +00:00
Owen Anderson
42c1cb92e5 Fix test failures caused by my so_reg refactoring. 
llvm-svn: 135785
 2011-07-22 18:30:30 +00:00
Jim Grosbach
ebd66f344c ARM assembly parsing and encoding for SMC instruction. 
llvm-svn: 135782
 2011-07-22 18:13:31 +00:00
Jim Grosbach
c80a7c4e75 Clean up a few more comments. 
These instruction definitions are for the assembler, too, not just the
disassembler.

llvm-svn: 135781
 2011-07-22 18:06:01 +00:00
Jim Grosbach
c3612faf56 ARM encoding and assembly parsing tests. 
Add tests for SHADD8, SHADD16, SHASX, SHSUB8, and SHSUB16.

llvm-svn: 135780
 2011-07-22 18:04:48 +00:00
Jim Grosbach
8168e689c0 Tidy up. 
llvm-svn: 135779
 2011-07-22 18:04:10 +00:00
Jim Grosbach
bab60c95e1 Thumb assembly support for SETEND instruction. 
llvm-svn: 135778
 2011-07-22 17:52:23 +00:00