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Author SHA1 Message Date
Jeffrey Yasskin
e03a39b096 Try to fix JITTest.FarCallToKnownFunction on ARM and PPC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89410 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 23:42:58 +00:00
Oscar Fuentes
470fb51961 Use CMAKE_DL_LIBS instead of raw library name. Fixes bug 5536. 
Patch by Tobias Grosser!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89406 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 23:21:43 +00:00
David Goodwin
3e72d301e0 Fix a couple of problems with maintaining liveness information for antidep breaking. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89404 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 23:12:37 +00:00
Jim Grosbach
4d8e90a026 When placing constant islands and adjusting for alignment padding, inline 
assembly can confuse things utterly, as it's assumed that instructions in
inline assembly are 4 bytes wide. For Thumb mode, that's often not true,
so the calculations for when alignment padding will be present get thrown off,
ultimately leading to out of range constant pool entry references. Making
more conservative assumptions that padding may be necessary when inline asm
is present avoids this situation.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89403 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 23:10:28 +00:00
Dan Gohman
f94b5edc45 Extend CaptureTracking to indicate when a value is never stored, even 
if it is not ultimately captured. Teach BasicAliasAnalysis that a 
local object address which does not escape and is never stored does
not alias with a value resulting from a load.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89398 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 21:57:48 +00:00
Evan Cheng
07ba906413 Refactor cmov selection code out to a separate function. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89396 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 21:45:22 +00:00
Dan Gohman
2a0fab118f Comparing a pointer with null is not a capture. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89389 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 21:34:07 +00:00
Duncan Sands
b83012a180 Only run this mutex test if threading is enabled. This 
fixes PR5395.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89385 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 20:48:14 +00:00
Jakob Stoklund Olesen
160069d15a Place new basic blocks immediately after their predecessor when splitting 
critical edges in PHIElimination.

This has a huge impact on regalloc performance, and we recover almost all of
the 10% compile time regression that edge splitting introduced.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89381 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 19:42:16 +00:00
Bill Wendling
fb7634f1c7 Reverting the EH table patches. 
$ svn merge -c -89279 https://llvm.org/svn/llvm-project/llvm/trunk
--- Reverse-merging r89279 into '.':
U    lib/CodeGen/AsmPrinter/DwarfException.cpp
U    lib/Target/TargetLoweringObjectFile.cpp
$ svn merge -c -89270 https://llvm.org/svn/llvm-project/llvm/trunk
--- Reverse-merging r89270 into '.':
G    lib/CodeGen/AsmPrinter/DwarfException.cpp
G    lib/Target/TargetLoweringObjectFile.cpp



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89379 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 19:21:09 +00:00
Johnny Chen
5c376ff9f0 Added NLdStLN which is similar to NLdSt with the exception that op7_4 is not 
fully specified at this level.  Subclasses of NLdStLN can specify selective
bit(s) for Inst{7-4}, as is done for VLD[234]LN* and VST[234]LN* inside
ARMInstrNEON.td.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89377 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 19:20:17 +00:00
David Greene
feb5bfbc6b Fix a small bug. 
Fix one case we missed to make sure we reserve registers from
allocation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89376 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 19:09:39 +00:00
Dan Gohman
dab249b3b7 Enable hoisting of loads from constant memory by default. In cases where 
they are lowered to instruction sequences more complex than a simple
load, such that CodeGen cannot rematerialize them, a reload from a
spill slot is likely to be cheaper than the complex sequence.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89374 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 19:00:10 +00:00
Daniel Dunbar
58ce7acb4f Use StringRef::min instead of std::min. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89372 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 18:53:18 +00:00
Jim Grosbach
dec6de92d1 fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89369 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 18:23:19 +00:00
Daniel Dunbar
a627ef57ec TableGen/OptParser: When ordering options, make "sentinel" options appear before 
everything else.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89368 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 18:22:16 +00:00
Mikhail Glushenkov
eeebecfcb4 Trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89364 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 17:29:36 +00:00
Mikhail Glushenkov
e0ace0c08f Make example/Hello compile again. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89363 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 17:29:25 +00:00
Dan Gohman
57474fa0f6 Fix a typo in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89360 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 16:35:11 +00:00
Benjamin Kramer
90c583fff0 cstdlib is not automatically included with StringRef anymore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89359 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 16:08:04 +00:00
Benjamin Kramer
49123250ae Reenable Split2 StringRef test with Apple gcc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89357 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 16:04:41 +00:00
David Greene
7cfd336af6 Add support for spreading register allocation. 
Add a -linearscan-skip-count argument (default to 0) that tells the
allocator to remember the last N registers it allocated and skip them
when looking for a register candidate.  This tends to spread out
register usage and free up post-allocation scheduling at the cost of
slightly more register pressure.  The primary benefit is the ability
to backschedule reloads.

This is turned off by default.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89356 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 15:55:49 +00:00
Benjamin Kramer
1acdcd5b0d Remove the now obsolete algorithm include from StringRef.h. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89354 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 15:48:14 +00:00
Torok Edwin
2fe05d80d3 Workaround PR5482, because all the gcc versions that I had were miscompiling StringRef: 
4.2.4, 4.3.4, 4.4.2.
The workaround is to use a local min/max implementation that takes an integer
param, and not a reference to integer param (like std::min does).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89352 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 15:39:50 +00:00
Benjamin Kramer
ac07b3df3e Unbreak x64 MSVC build. Patch by Nicolas Capens! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89341 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 12:17:31 +00:00
Edward O'Callaghan
cc9fa81fe1 Add PS3 Triple class, Credit to John Thompson. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89339 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 11:59:00 +00:00
Evan Cheng
ed54de40a7 80 col violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89337 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 08:16:50 +00:00
Daniel Dunbar
2b86caf05b Unbreak test, Bruno please check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89329 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 07:18:49 +00:00
Evan Cheng
2ef9c8a43d More consistent thumb1 asm printing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89328 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 06:57:41 +00:00
Evan Cheng
5b397c93a5 Shrink ldr / str [sp, imm0-1024] to 16-bit instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89326 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 06:32:27 +00:00
Evan Cheng
a64ce45917 Eliminate more * 4 in Thumb1 asm printing for consistency sake. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89325 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 06:31:26 +00:00
Bruno Cardoso Lopes
2045c47aff - Add sugregister logic to handle f64=(f32,f32). 
- Support mips1 like load/store of doubles:

Instead of:
  sdc $f0, X($3)
Generate:
  swc $f0, X($3)
  swc $f1, X+4($3)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89322 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 06:06:13 +00:00
Bruno Cardoso Lopes
0046de0550 Only use small sections for non linux targets! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89316 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 05:28:18 +00:00
Lang Hames
835ca07991 Added a new Spiller implementation which wraps LiveIntervals::addIntervalsForSpills. 
All spiller calls in RegAllocLinearScan now go through the new Spiller interface.
The "-new-spill-framework" command line option has been removed. To use the trivial in-place spiller you should now pass "-spiller=trivial -rewriter=trivial".
(Note the trivial spiller/rewriter are only meant to serve as examples of the new in-place modification work. Enabling them will yield terrible, though hopefully functional, code).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89311 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 04:15:33 +00:00
Edward O'Callaghan
2b5e6b1c9c autoconf config.* claims to not know about auroraux triple. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89301 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 02:25:50 +00:00
Jim Grosbach
97200e4dd4 Teach IVUsers to keep things simpler and track loop-invariant strides only 
for uses inside the loop. This works better with LSR. Disabled behind
-simplify-iv-users while benchmarking.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89299 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 02:05:44 +00:00
Jim Grosbach
d0b552cc56 Eliminate duplicate phi nodes in loops. Loop rotation, for example, can introduce these, and it's beneficial to later passes to clean them up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89298 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 02:03:18 +00:00
Jim Grosbach
20f4d34fe3 Make EliminateDuplicatePHINodes() available as a utility function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89297 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 02:02:10 +00:00
Bill Wendling
77bd09b650 Test from Dhrystone to make sure that we're not emitting an aligned load for a 
string that's aligned at 8-bytes instead of 16-bytes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89295 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 01:33:57 +00:00
Daniel Dunbar
fd96b13a94 Add TOOLALIAS makefile variable; this defines an alternate name for a program 
which the makefiles will create by symlinking the actual tool to.
 - For use by clang, where we want to make 'clang++' and alias for clang (which
   enables C++ support in the driver)

 - Not sure this is the best approach, alternative suggestions welcome!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89282 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 00:14:53 +00:00
Bill Wendling
01c69374b5 The "ReadOnlyWithRel" enum seems to apply more to what Darwin does with the EH 
exception table than DataRel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89279 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 00:09:14 +00:00
Daniel Dunbar
b80077aae9 Twine: Stores kinds as uchar instead of bitfield to be friendlier to the 
optimizer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89278 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 00:04:43 +00:00
Bob Wilson
fbb6b67df0 There should be no need to keep renumbering blocks during tail duplication. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89275 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-18 23:48:57 +00:00
Bob Wilson
41a0456a3c Fix buildbots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89274 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-18 23:30:38 +00:00
Richard Osborne
bea7df56ce Add XCore support for indirectbr / blockaddress. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89273 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-18 23:20:42 +00:00
Douglas Gregor
74f2ca8c4a De-bork CMake build 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89272 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-18 23:20:09 +00:00
Bill Wendling
ec04458551 Attempt #2: 
Place the EH table in the __TEXT section on MachO. It saves space.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89270 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-18 23:18:46 +00:00
Bob Wilson
60f34b9fb0 Tail duplication still needs to iterate. Duplicating new instructions onto 
the tail of a block may make that block a new candidate for duplication.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89264 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-18 22:52:37 +00:00
Bob Wilson
79d621035e Add another statistic to measure code size due to tail duplication. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89254 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-18 22:12:31 +00:00
Jeffrey Yasskin
f605773869 Remove spurious @verbatim. Patch by Timo Juhani Lindfors! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89252 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-18 22:04:44 +00:00