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021b589253
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13722 Commits

Author SHA1 Message Date
Richard Osborne
021b589253 Optimize sprintf -> siprintf if there are no floating point arguments 
and siprintf is available on the target.

llvm-svn: 126937
 2011-03-03 14:09:28 +00:00
Richard Osborne
df829ddcb7 Optimize printf -> iprintf if there are no floating point arguments 
and iprintf is available on the target. Currently iprintf is only
marked as being available on the XCore.

llvm-svn: 126935
 2011-03-03 13:17:51 +00:00
Tilmann Scheller
ab6450ec63 Use X86_thiscall calling convention for Win64 as well. 
llvm-svn: 126934
 2011-03-03 07:49:07 +00:00
Jakob Stoklund Olesen
d0930e03c1 Represent sentinel slot indexes with a null pointer. 
This is much faster than using a pointer to a ManagedStatic object accessed with
a function call. The greedy register allocator is 5% faster overall just from
the SlotIndex default constructor savings.

llvm-svn: 126925
 2011-03-03 05:40:04 +00:00
Jakob Stoklund Olesen
2e6407e9aa Avoid comparing invalid slot indexes, and assert that it doesn't happen. 
The SlotIndex created by the default construction does not represent a position
in the function, and it doesn't make sense to compare it to other indexes.

llvm-svn: 126924
 2011-03-03 05:18:19 +00:00
Jakob Stoklund Olesen
2a12e5adba Optimize SlotIndex equality tests. 
IndexListEntries have unique indexes, so it is not necessary to dereference
pointers to them.

llvm-svn: 126923
 2011-03-03 05:18:15 +00:00
Chris Lattner
e82c10f5df add some slice helper methods. 
llvm-svn: 126878
 2011-03-02 20:55:51 +00:00
Duncan Sands
a7c3ebafe4 Remove DIFactory. Patch by Devang. 
llvm-svn: 126871
 2011-03-02 20:30:37 +00:00
Tilmann Scheller
c557d1eeb4 Add Win64 thiscall calling convention. 
llvm-svn: 126862
 2011-03-02 19:29:22 +00:00
Rafael Espindola
7f301833ee Add a special streamer to libLTO that just records symbols definitions and 
uses.

The result produced by the streamer is used to give the linker more accurate
information and to add to llvm.compiler.used. The second improvement removes
the need for the user to add __attribute__((used)) to functions only used in
inline asm. The first one lets us build firefox with LTO on Darwin :-)

llvm-svn: 126830
 2011-03-02 04:14:42 +00:00
Dan Gohman
b62daa9ec3 Make pred_iterator DefaultConstructible, and add an accessor to 
retrieve the underlying getOperandNo() value.

llvm-svn: 126804
 2011-03-02 00:11:28 +00:00
Jakob Stoklund Olesen
4d3c996555 Move LiveIntervalMap::extendTo into LiveInterval itself. 
This method could probably be used by LiveIntervalAnalysis::shrinkToUses, and
now it can use extendIntervalEndTo() which coalesces ranges.

llvm-svn: 126803
 2011-03-02 00:06:15 +00:00
Devang Patel
5c7b3c4228 Today, the language front ends produces llvm.dbg.* intrinsics, used to encode arguments' debug info, in order any way, most of the times. However, if a front end mix-n-matches llvm.dbg.declare and llvm.dbg.value intrinsics to encode debug info for arguments then code generator needs a way to find argument order. 
Use 8 bits from line number field to keep track of argument ordering while encoding debug info for an argument. That leaves 24 bit for line no, DebugLoc also allocates 24 bit for line numbers. If a function has more than 255 arguments then rest of the arguments will be ordered by llvm.dbg.* intrinsics' ordering in IR.

llvm-svn: 126793
 2011-03-01 22:58:13 +00:00
Dan Gohman
4694b04817 Escape graph edge labels. 
llvm-svn: 126788
 2011-03-01 22:12:24 +00:00
Dan Gohman
ec55e3d750 Remove the showline argument from the SMDiagnostic constructor 
which constructs a diagnostic with no line to show.

llvm-svn: 126787
 2011-03-01 22:11:52 +00:00
Dan Gohman
bf282415a2 Code simplification. 
llvm-svn: 126786
 2011-03-01 22:07:55 +00:00
Dan Gohman
304de5bc17 Simplify this code. 
llvm-svn: 126785
 2011-03-01 22:07:32 +00:00
Dan Gohman
c6cda9defe Change directory_entry::path() to return a const std::string & instead of 
a StringRef, for the benefit of clients that want the result as a
nul-terminated string. Clients that expect a StringRef will get one via
the implicit conversion.

llvm-svn: 126784
 2011-03-01 22:07:09 +00:00
Dan Gohman
8626e387c3 Revert PathV2 changes, as sys::fs::unique_file is not finished yet. 
llvm-svn: 126773
 2011-03-01 19:50:55 +00:00
Chris Lattner
877ce8549d add a missing const qualifier for consistency. 
llvm-svn: 126742
 2011-03-01 08:36:21 +00:00
Jim Grosbach
fbdcd70f4b Generalize the register matching code in DAGISel a bit. 
llvm-svn: 126731
 2011-03-01 01:37:19 +00:00
Talin
753b7ce425 Add an END_WITH_NULL accessor for ConstantStruct. 
llvm-svn: 126714
 2011-02-28 23:53:27 +00:00
Owen Anderson
9d0944d6bd Fix warning when building with clang++. 
llvm-svn: 126679
 2011-02-28 19:58:06 +00:00
Dan Gohman
91de965338 Delete the GEPSplitter experiment. 
llvm-svn: 126671
 2011-02-28 19:47:47 +00:00
Dan Gohman
db646bfdad Delete the SimplifyHalfPowrLibCalls pass, which was unused, and 
only existed as the result of a misunderstanding.

llvm-svn: 126669
 2011-02-28 19:41:14 +00:00
Dan Gohman
1ee6941aca Delete the LiveValues pass. I won't get get back to the project it 
was started for in the foreseeable future.

llvm-svn: 126668
 2011-02-28 19:37:59 +00:00
Stuart Hastings
539d4e1460 Support for byval parameters on ARM. Will be enabled by a forthcoming 
patch to the front-end.  Radar 7662569.

llvm-svn: 126655
 2011-02-28 17:17:53 +00:00
Chris Lattner
7513f07004 add the ability to walk the scope tree and insert at not-the-current 
scope.

llvm-svn: 126591
 2011-02-27 22:51:57 +00:00
Chris Lattner
3fac41ace4 add a data() method. 
llvm-svn: 126590
 2011-02-27 22:51:37 +00:00
Cameron Zwarich
764320383d Fix PR9324 / <rdar://problem/9052489> by handling the case where a PHI has no uses. 
llvm-svn: 126567
 2011-02-27 08:06:01 +00:00
Tobias Grosser
7cb4ec5d69 cmake: Add xdot.py support as it already exists in autoconf. 
llvm-svn: 126563
 2011-02-27 04:11:05 +00:00
Tobias Grosser
789fab6b30 Pass the graph to the DOTGraphTraits.getEdgeAttributes(). 
This follows the interface of getNodeAttributes.

llvm-svn: 126562
 2011-02-27 04:11:03 +00:00
Daniel Dunbar
d4a7704765 Support: Add llvm::AreStatisticsEnabled(). 
llvm-svn: 126558
 2011-02-26 23:17:12 +00:00
Owen Anderson
bd26993873 Allow targets to specify a the type of the RHS of a shift parameterized on the type of the LHS. 
llvm-svn: 126518
 2011-02-25 21:41:48 +00:00
Cameron Zwarich
974208a607 Roll out r126425 and r126450 to see if it fixes the failures on the buildbots. 
llvm-svn: 126488
 2011-02-25 16:30:32 +00:00
Nick Lewycky
ed7f556f44 Update the NoFolder to work with current IRBuilder. 
llvm-svn: 126479
 2011-02-25 07:13:35 +00:00
Joerg Sonnenberger
9c30c492df Restore r125595 (reverted in r126336) with modifications: 
Introduce a variable in the AsmParserExtension whether [] is valid in an
expression. If it is true, parse them like (). Enable this for ELF only.

llvm-svn: 126443
 2011-02-24 21:59:22 +00:00
Devang Patel
f2b2417c2c Enable DebugInfo support for COFF object files. 
Patch by Nathan Jeffords!

llvm-svn: 126425
 2011-02-24 21:04:00 +00:00
Richard Osborne
a8df984a31 Add XCore intrinsic for eeu instruction. 
llvm-svn: 126384
 2011-02-24 13:39:18 +00:00
Duncan Sands
760d1a03ba Rewrite the vector part of getExtendedTypeAction to make it more 
understandable (at least I find it easier to understand like this).
No intended functionality change.

llvm-svn: 126382
 2011-02-24 11:54:18 +00:00
Cameron Zwarich
724eb8706a Merge information about the number of zero, one, and sign bits of live-out 
registers at phis. This enables us to eliminate a lot of pointless zexts during
the DAGCombine phase. This fixes <rdar://problem/8760114>.

llvm-svn: 126380
 2011-02-24 10:00:25 +00:00
Cameron Zwarich
af4779907f Add a getNumSignBits() method to APInt. 
llvm-svn: 126379
 2011-02-24 10:00:20 +00:00
Cameron Zwarich
e79a75febe Add a mechanism for invalidating the LiveOutInfo of a PHI, and use it whenever 
a block is visited before all of its predecessors.

llvm-svn: 126378
 2011-02-24 10:00:16 +00:00
Cameron Zwarich
5c9384705f Track blocks visited in reverse postorder. 
llvm-svn: 126377
 2011-02-24 10:00:13 +00:00
Cameron Zwarich
3d2f99227a Refactor the LiveOutInfo interface into a few methods on FunctionLoweringInfo 
and make the actual map private.

llvm-svn: 126376
 2011-02-24 10:00:08 +00:00
Michael J. Spencer
3c784e25d6 Depricate PathV1::isAbsolute. 
llvm-svn: 126348
 2011-02-24 01:02:32 +00:00
Richard Osborne
d9564589f6 Add XCore intrinsic for clre instruction. 
llvm-svn: 126322
 2011-02-23 18:52:05 +00:00
Richard Osborne
4a55817288 Add llvm.xcore.waitevent intrinsic. The effect of this intrinsic is to enable 
events on the thread and wait until a resource is ready to event. The vector
of the resource that is ready is returned.

llvm-svn: 126320
 2011-02-23 18:35:59 +00:00
Richard Osborne
aaac1b01fd Add XCore intrinsic for the setv instruction. 
llvm-svn: 126315
 2011-02-23 16:46:37 +00:00
Richard Osborne
aa39bf94b4 Add XCore intrinsic for settw instruction. 
llvm-svn: 126313
 2011-02-23 14:45:03 +00:00