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Author SHA1 Message Date
Rafael Espindola
88a1aeb123 Always compute all the bits in ComputeMaskedBits. 
This allows us to keep passing reduced masks to SimplifyDemandedBits, but
know about all the bits if SimplifyDemandedBits fails. This allows instcombine
to simplify cases like the one in the included testcase.

llvm-svn: 154011
 2012-04-04 12:51:34 +00:00
Hongbin Zheng
c50b4781ab LoopUnrollPass: Use variable "Threshold" instead of "CurrentThreshold" when 
reducing unroll count, otherwise the reduced unroll count is not taking
  the "OptimizeForSize" attribute into account.

llvm-svn: 154007
 2012-04-04 11:44:08 +00:00
Benjamin Kramer
a323a34d00 Move yaml::Stream's dtor out of line so it can see Scanner's dtor. 
llvm-svn: 154004
 2012-04-04 08:53:34 +00:00
Benjamin Kramer
3532e8b899 Implement DwarfLLVMRegPair::operator< without violating asymmetry. 
MSVC8 verifies this.

llvm-svn: 154002
 2012-04-04 08:24:08 +00:00
Craig Topper
2a4fe8b344 Convert assert(false) followed by a return to llvm_unreachable 
llvm-svn: 153997
 2012-04-04 04:55:46 +00:00
Craig Topper
98fc96208f Remove default case from switch that was already covering all cases. 
llvm-svn: 153996
 2012-04-04 04:42:42 +00:00
Pete Cooper
702973d27c Removed useless switch for default case when switch was covering all the enum values 
llvm-svn: 153984
 2012-04-04 00:53:04 +00:00
Bob Wilson
ba2b9f1272 Fix the install location for the Embedded makefile target. 
svn r145378 inadvertently changed the destination for the Embedded target
in the makefile.  Add a "/Developer" suffix to DSTROOT to compensate.

llvm-svn: 153980
 2012-04-03 23:44:39 +00:00
Michael J. Spencer
84f354e368 Sorry about that. MSVC seems to accept just about any random string you give it ;/ 
llvm-svn: 153979
 2012-04-03 23:36:44 +00:00
Bob Wilson
3e0c867151 Remove dead code for installing libLTO when building llvmCore. 
llvm-svn: 153978
 2012-04-03 23:13:26 +00:00
Michael J. Spencer
2f9beb2374 Add YAML parser to Support. 
llvm-svn: 153977
 2012-04-03 23:09:22 +00:00
Pete Cooper
4164f86b8a Add VSELECT to LegalizeVectorTypes::ScalariseVectorResult. Previously it would crash if it encountered a 1 element VSELECT. Solution is slightly more complicated than just creating a SELET as we have to mask or sign extend the vector condition if it had different boolean contents from the scalar condition. Fixes <rdar://problem/11178095> 
llvm-svn: 153976
 2012-04-03 22:57:55 +00:00
Pete Cooper
983fc686b4 Removed one last bad continue statement meant to be removed in r153914. 
llvm-svn: 153975
 2012-04-03 22:18:49 +00:00
Bob Wilson
f68ed1883e When building llvmCore, pass the SDKROOT and -arch setting to configure. 
So far all of configure tests have been run against the default SDK and
architecture, regardless of what is actually being built.  We've gotten
lucky until now.  <rdar://problem/11112479>

llvm-svn: 153972
 2012-04-03 21:50:26 +00:00
Bob Wilson
1944a74c98 Remove a reference to the C backend. 
llvm-svn: 153971
 2012-04-03 21:50:24 +00:00
Chad Rosier
e7870c71eb Fix an issue in SimplifySetCC() specific to vector comparisons. 
When folding X == X we need to check getBooleanContents() to determine if the
result is a vector of ones or a vector of negative ones. 

I tried creating a test case, but the problem seems to only be exposed on a
much older version of clang (around r144500).
rdar://10923049

llvm-svn: 153966
 2012-04-03 20:11:24 +00:00
Anton Korobeynikov
64a47d779a Set soname for FreeBSD as well. 
Patch by Bernard Cafarelli!

llvm-svn: 153965
 2012-04-03 19:48:31 +00:00
Eric Christopher
53ef0cf4a5 Fix thinko check for number of operands to be the one that actually 
might have more than 19 operands. Add a testcase to make sure I
never screw that up again.

Part of rdar://11026482

llvm-svn: 153961
 2012-04-03 17:55:42 +00:00
Lang Hames
4c05101031 Matrix simplification in PBQP may push infinite costs onto register options. 
The colorability heuristic should count these as denied registers.

No test case - this exposed a bug on an out-of-tree target.

llvm-svn: 153958
 2012-04-03 16:27:16 +00:00
Dylan Noblesmith
8ab4926be7 ARMDisassembler: drop bogus dependency on ARMCodeGen 
And indirectly, a dependency on most of the core LLVM optimization
libraries.

llvm-svn: 153957
 2012-04-03 15:48:14 +00:00
Dylan Noblesmith
2431e625b9 Object: drop bogus VMCore dependency 
llvm-svn: 153956
 2012-04-03 15:48:10 +00:00
Bill Wendling
e3c2c36927 The speedup doesn't appear to have been from this, but was an anomaly of my testing machine. 
llvm-svn: 153951
 2012-04-03 11:19:21 +00:00
Bill Wendling
3f12fbd290 Reserve space for the eventual filling of the vector. This gives a small speedup. 
llvm-svn: 153949
 2012-04-03 10:50:09 +00:00
Nadav Rotem
d72bf636aa Add an additional testcase which checks ops with multiple users. 
llvm-svn: 153939
 2012-04-03 07:39:36 +00:00
Anton Korobeynikov
e70c37c738 Make PPCCompilationCallbackC function to be static, so there will be no need to issue call via 
PLT when LLVM is built as shared library. This mimics the X86 backend towards the approach.

llvm-svn: 153938
 2012-04-03 06:59:28 +00:00
Craig Topper
b4929c0302 Tidy up spacing in some tablegen outputs. 
llvm-svn: 153937
 2012-04-03 06:52:47 +00:00
Craig Topper
ce6c05e0df Add support for AVX enhanced comparison predicates. Patch from Kay Tiong Khoo. 
llvm-svn: 153935
 2012-04-03 05:20:24 +00:00
Bill Wendling
f6c626e3a9 Reformatting. No functionality change. 
llvm-svn: 153928
 2012-04-03 03:56:52 +00:00
Bill Wendling
7680143edf As Eric pointed out, even a Debug build should be equal. Leave the flag that can turn off comparisons though. 
llvm-svn: 153927
 2012-04-03 03:27:43 +00:00
Akira Hatanaka
c5bbe0b434 Revert r153924. Delete test/MC/Disassembler/Mips and lib/Target/Mips/Disassembler. 
llvm-svn: 153926
 2012-04-03 03:01:13 +00:00
Akira Hatanaka
cecb440c11 Revert r153924. There were buildbot failures. 
llvm-svn: 153925
 2012-04-03 02:51:09 +00:00
Akira Hatanaka
058b0cfb55 MIPS disassembler support. 
Patch by Vladimir Medic.

llvm-svn: 153924
 2012-04-03 02:20:58 +00:00
Andrew Trick
a1e25f74dd Cleanup set_union usage. The same thing but a bit cleaner now. 
llvm-svn: 153922
 2012-04-03 01:35:52 +00:00
Andrew Trick
a92546a4bb Use std::set_union instead of nasty custom code. 
I just noticed Jakob's examples of the proper application of
std::set... routines.

llvm-svn: 153918
 2012-04-03 00:47:23 +00:00
Eric Christopher
ba40985484 Add a line number for the scope of the function (starting at the first 
brace) so that we get more accurate line number information about the
declaration of a given function and the line where the function
first starts.

Part of rdar://11026482

llvm-svn: 153916
 2012-04-03 00:43:49 +00:00
Pete Cooper
fb86d3b6bc Fixes to r153903. Added missing explanation of behaviour when the VirtRegMap is NULL. Also changed it in this case to just avoid updating the map, but live ranges or intervals will still get updated and created 
llvm-svn: 153914
 2012-04-03 00:28:46 +00:00
Bill Wendling
e3ff2c3ce6 Compare the .o files only for release builds. Add an option to bypass the comparison altogether. 
llvm-svn: 153909
 2012-04-02 23:27:43 +00:00
Pete Cooper
426b167bc5 Moved LiveRangeEdit.h so that it can be called from other parts of the backend, not just libCodeGen 
llvm-svn: 153906
 2012-04-02 22:44:18 +00:00
Rafael Espindola
6363adaa9f Make dominatedBySlowTreeWalk private and assert cases handled by the caller. 
llvm-svn: 153905
 2012-04-02 22:37:54 +00:00
Jakob Stoklund Olesen
97f47c37b6 Allocate virtual registers in ascending order. 
This is just the fallback tie-breaker ordering, the main allocation
order is still descending size.

Patch by Shamil Kurmangaleev!

llvm-svn: 153904
 2012-04-02 22:30:39 +00:00
Pete Cooper
a76a82ef6f Refactored the LiveRangeEdit interface so that MachineFunction, TargetInstrInfo, MachineRegisterInfo, LiveIntervals, and VirtRegMap are all passed into the constructor and stored as members instead of passed in to each method. 
llvm-svn: 153903
 2012-04-02 22:22:53 +00:00
Bill Wendling
1db4186413 Add an option to turn off the expensive GVN load PRE part of GVN. 
llvm-svn: 153902
 2012-04-02 22:16:50 +00:00
Owen Anderson
157487e7c5 Add predicates for checking whether targets have free FNEG and FABS operations, and prevent the DAGCombiner from turning them into bitwise operations if they do. 
llvm-svn: 153901
 2012-04-02 22:10:29 +00:00
Lang Hames
dbc3175c89 During two-address lowering, rescheduling an instruction does not untie 
operands. Make TryInstructionTransform return false to reflect this.
Fixes PR11861.

llvm-svn: 153892
 2012-04-02 19:58:43 +00:00
Rafael Espindola
40e34629cb No need to run llvm-as. 
llvm-svn: 153890
 2012-04-02 19:44:20 +00:00
Akira Hatanaka
f37a1c4323 Initial 64 bit direct object support. 
This patch allows llvm to recognize that a 64 bit object file is being produced
and that the subsequently generated ELF header has the correct information.

The test case checks for both big and little endian flavors.

Patch by Jack Carter.

llvm-svn: 153889
 2012-04-02 19:25:22 +00:00
Hal Finkel
63edfabaaf The binutils for the IBM BG/P are too old to support CFI. 
llvm-svn: 153886
 2012-04-02 19:09:04 +00:00
Hal Finkel
d6e526ae11 Add triple support for the IBM BG/P and BG/Q supercomputers. 
llvm-svn: 153882
 2012-04-02 18:31:33 +00:00
Eric Christopher
6c4e6016b5 Turn on the accelerator tables for Darwin. 
llvm-svn: 153880
 2012-04-02 17:58:52 +00:00
Stepan Dyatkovskiy
0ddc03ebad Fast fix for PR12343: 
http://llvm.org/bugs/show_bug.cgi?id=12343

We have not trivial way for splitting edges that are goes from indirect branch. We can do it with some tricks, but it should be additionally discussed. And it is still dangerous due to difficulty of indirect branches controlling.

Fix forbids this case for unswitching.

llvm-svn: 153879
 2012-04-02 17:16:45 +00:00