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Author SHA1 Message Date
Jim Grosbach
b6aed508e3 Thumb2 assembly parsing and encoding for LDREX/LDREXB/LDREXD/LDREXH. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139381 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-09 18:37:27 +00:00
Jakob Stoklund Olesen
1ab7c8ea03 Reapply r139247: Cache intermediate results during traceSiblingValue. 
In some cases such as interpreters using indirectbr, the CFG can be very
complicated, and live range splitting may be forced to insert a large
number of phi-defs.  When that happens, traceSiblingValue can spend a
lot of time zipping around in the CFG looking for defs and reloads.

This patch causes more information to be cached in SibValues, and the
cached values are used to terminate searches early.  This speeds up
spilling by 20x in one interpreter test case.  For more typical code,
this is just a 10% speedup of spilling.

The previous version had bugs that caused miscompilations. They have
been fixed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139378 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-09 18:11:41 +00:00
Andrew Trick
39d7802224 Comment formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139375 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-09 17:35:10 +00:00
Devang Patel
9b4a2ac196 Update docs to reflect recent addition of new CompileUnit elements. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139374 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-09 17:07:15 +00:00
Jim Grosbach
e3a0adf162 Add FIXME. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139371 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-09 16:45:31 +00:00
Duncan Sands
73c8415d90 Mark the eh.typeid.for intrinsic as being 'const', which it is inside 
any given function.  As pointed out by John McCall, this is needed to
have redundant eh.typeid.for tests be eliminated in the presence of
cleanups.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139360 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-09 07:50:37 +00:00
Craig Topper
d3be6ecafe Add disassembler test for Intel syntax. Tests r139353. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139356 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-09 06:35:44 +00:00
Craig Topper
ccfa4ed4e0 Fix handling of Intel syntax disassembling of movs and stos to stop being blank. Also fixed scas, and cmps to always print size suffix in Intel syntax since its abiguous without arguments. Fixes PR10875. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139353 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-09 05:40:53 +00:00
Akira Hatanaka
ad5f0c9e73 Change default target architecture from Mips1 to Mips32r1 in preparation for 
removing support for Mips1 and Mips2. 

This change and the ones that follow have been discussed with and approved by
Bruno.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139344 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-09 01:13:27 +00:00
Benjamin Kramer
d40b0b0a06 Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139343 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-09 00:22:05 +00:00
Nick Lewycky
58856eae16 Fix release build: 
MachOObjectFile.cpp:524: error: unused variable 'NumLoadCommands' [-Wunused-variable]


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139341 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-09 00:16:50 +00:00
Ivan Krasin
c170f5f31c gold plugin: report errors occured in lto_module_create_from_* 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139340 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-09 00:14:04 +00:00
Akira Hatanaka
404507e7d8 80 columns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139339 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-09 00:13:35 +00:00
Devang Patel
9aee335c23 Directly point debug info to the stack slot of the arugment, instead of trying to keep track of vreg in which it the arugment is copied. The LiveDebugVariable can keep track of variable's ranges. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139330 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 22:59:09 +00:00
Owen Anderson
441462f932 All conditional branches are disallowed in IT blocks, not just CBZ/CBNZ. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139329 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 22:48:37 +00:00
Owen Anderson
d2fc31b3f7 Soft fail CBZ/CBNZ in the disassembler if they appear inside an IT block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139328 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 22:42:49 +00:00
Eric Christopher
d1e002a0a3 Formatting and typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139325 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 22:17:40 +00:00
Nadav Rotem
ee64be9c17 Dix the 80-columns and remove unsupported v8i16 type from the list of legal vselect types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139324 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 22:17:35 +00:00
Jim Grosbach
a77295db19 Thumb2 assembly parsing and encoding for LDRD(immediate). 
Refactor operand handling for STRD as well. Tests for that forthcoming.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139322 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 22:07:06 +00:00
Bruno Cardoso Lopes
7ec8fb8830 Add a AVX version of a simple i64 -> f64 bitcast. This could be 
triggered using llc with -O0, which wouldn't let it be folded and
expose the lack of this pattern.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139320 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 21:52:33 +00:00
Bruno Cardoso Lopes
7cf79a88c8 Reapply testcase from r139309! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139318 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 21:05:43 +00:00
Eli Friedman
64a17b309d Make sure to handle the case where emitPredicateMatch returns false. Noticed by inspection. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139317 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 21:00:31 +00:00
Kevin Enderby
5afc19002e Fix a Darwin x86_64 special case of a jmp to a temporary symbol from an atom 
without a base symbol that must not have a relocation entry.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139316 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 20:53:44 +00:00
Benjamin Kramer
0fcab076f0 Add support for relocations to ObjectFile. 
Patch by Danil Malyshev!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139314 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 20:52:17 +00:00
Bruno Cardoso Lopes
cbf479df8a * Combines Alignment, AuxInfo, and TB_NOT_REVERSABLE flag into a 
single field (Flags), which is a bitwise OR of items from the TB_*
enum. This makes it easier to add new information in the future.

* Gives every static array an equivalent layout: { RegOp, MemOp, Flags }

* Adds a helper function, AddTableEntry, to avoid duplication of the
insertion code.

* Renames TB_NOT_REVERSABLE to TB_NO_REVERSE.

* Adds TB_NO_FORWARD, which is analogous to TB_NO_REVERSE, except that
it prevents addition of the Reg->Mem entry. (This is going to be used
by Native Client, in the next CL).

Patch by David Meyer

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139311 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 18:35:57 +00:00
Bruno Cardoso Lopes
caa60f15e4 Remove this crashing test, until I figure out what's going wrong here 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139309 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 18:32:36 +00:00
Bruno Cardoso Lopes
814c6ced85 Add AVX versions of blend vector operations and fix some issues noticed 
in Nadav's r139285 and r139287 commits.

1) Rename vsel.ll to a more descriptive name
2) Change the order of BLEND operands to "Op1, Op2, Cond", this is
necessary because PBLENDVB is already used in different places with
this order, and it was being emitted in the wrong way for vselect
3) Add AVX patterns and tests for the same SSE41 instructions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139305 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 18:05:08 +00:00
Bruno Cardoso Lopes
7db2d3a504 Fix PR10844: Add patterns to cover non foldable versions of X86vzmovl. 
Triggered using llc -O0. Also fix some SET0PS patterns to their AVX
forms and test it on the testcase.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139304 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 18:05:02 +00:00
Caitlin Sadowski
5d97ee31bb Added LateParsed property to TableGen attributes. 
This patch was written by DeLesley Hutchins.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139300 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 17:40:49 +00:00
Jim Grosbach
9ea33b0c03 Add tests for Thumb2 LDRB indexed addressing w/ writeback. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139292 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 16:49:36 +00:00
Nadav Rotem
4b36e07487 This test is already covered by llvm/trunk/test/CodeGen/X86/vsel.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139288 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 08:43:23 +00:00
Nadav Rotem
cbdd2d10ba add a testcase for the previous patch 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139287 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 08:31:31 +00:00
James Molloy
0d76b19919 Fix warning on windows; use of comparison with bool argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139286 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 08:12:01 +00:00
Nadav Rotem
ffe3e7da84 Add X86-SSE4 codegen support for vector-select. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139285 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 08:11:19 +00:00
Ivan Krasin
6d483c2b07 lto/addAsmGlobalSymbols: fast path when no module level asm is present. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139284 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 07:38:25 +00:00
Ivan Krasin
603e103988 lto/addAsmGlobalSymbols: fail fracefully when the target does not define AsmParser. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139283 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 07:36:39 +00:00
David Blaikie
78091804c8 Adding myself to test my new commit powers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139280 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 05:32:49 +00:00
Andrew Trick
22b4c819d4 Fix a use of freed string contents. 
Speculatively try to fix our windows testers with a patch I found on the internet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139279 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 05:25:49 +00:00
Andrew Trick
ed968a9a04 whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139278 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 05:23:14 +00:00
Eli Friedman
184166da61 A couple minor corrections to r139276. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139277 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 02:37:07 +00:00
Eli Friedman
81ac8ddc67 Fix the logic in BasicAliasAnalysis::aliasGEP for comparing GEP's with variable differences so that it actually does something sane. Fixes PR10881. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139276 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 02:23:31 +00:00
Jim Grosbach
e64fb28da1 Thumb2 assembly parsing and encoding for LDR post-indexed. 
More cleanup of the general indexed addressing T2 instructions. Still more to
do, especially for stores.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139272 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 01:01:32 +00:00
Jim Grosbach
eeec025cf5 Thumb2 assembly parsing and encoding for LDR pre-indexed w/ writeback. 
Adjust encoding of writeback load/store instructions to better reflect the
way the operand types are represented.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139270 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 00:39:19 +00:00
Owen Anderson
170580e8f4 Remove the "common" set of instructions shared between ARM and Thumb2 modes. This is no longer needed now that Thumb2 has its own copy of the STC/LDC instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139268 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 00:11:18 +00:00
Jim Grosbach
f0eee6eca8 Thumb2 assembly parsing and encoding for LDRBT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139267 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-07 23:39:14 +00:00
Jim Grosbach
489c693f65 Thumb2 assembly parsing and encoding for LDRB(register). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139266 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-07 23:17:00 +00:00
Jim Grosbach
ab899c1bcc Thumb2 assembly parsing and encoding for LDR(register). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139264 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-07 23:10:15 +00:00
Benjamin Kramer
3e328ecbd8 Add two notes for correlated-expression optimizations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139263 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-07 22:49:26 +00:00
Jakob Stoklund Olesen
0472e040cb Revert r139247 "Cache intermediate results during traceSiblingValue." 
It broke the self host and clang-x86_64-darwin10-RA.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139259 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-07 21:43:52 +00:00
Jim Grosbach
8bb5a861a0 Thumb2 assembly parsing and encoding for LDRB(immediate). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139258 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-07 21:41:25 +00:00