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Author SHA1 Message Date
Oscar Fuentes
d57f14037a LTO is not ready for Windows. 
llvm-svn: 127562
 2011-03-13 03:06:59 +00:00
Jakob Stoklund Olesen
7d23be25ab Now that we are deleting unused live intervals during allocation, pointers may be reused. 
Use the virtual register number as a cache tag instead. They are not reused.

llvm-svn: 127561
 2011-03-13 01:29:32 +00:00
Jakob Stoklund Olesen
2d87d5139b Tell the register allocator about new unused virtual registers. 
This allows the allocator to free any resources used by the virtual register,
including physical register assignments.

llvm-svn: 127560
 2011-03-13 01:23:11 +00:00
Oscar Fuentes
e747eabef1 Build EnhancedDisassembly as a shared library too. 
llvm-svn: 127555
 2011-03-12 22:01:47 +00:00
Oscar Fuentes
208de1fcc4 Build CompilerDriver library. 
llvm-svn: 127554
 2011-03-12 22:01:42 +00:00
Oscar Fuentes
a153a45c99 Build LTO as a static library too. 
llvm-svn: 127553
 2011-03-12 22:01:36 +00:00
Oscar Fuentes
eef24d34e6 Build LTO as a static library too. 
llvm-svn: 127549
 2011-03-12 17:32:30 +00:00
Benjamin Kramer
5986a24bae Teach ComputeMaskedBits about sub nsw. 
llvm-svn: 127548
 2011-03-12 17:18:11 +00:00
Oscar Fuentes
443b4dd3ca Whe we build a shared library, add its list of used libraries to the 
link command.

Fixed a pair of IF expressions too.

llvm-svn: 127546
 2011-03-12 16:48:54 +00:00
Oscar Fuentes
471e660c5a Update link components for llvm-dis and LTO. 
llvm-svn: 127545
 2011-03-12 16:48:49 +00:00
Duncan Sands
0514e10276 Speculatively revert commit 127478 (jsjodin) in an attempt to fix the 
llvm-gcc-i386-linux-selfhost and llvm-x86_64-linux-checks buildbots.
The original log entry:
Remove optimization emitting a reference insted of label difference, since
it can create more relocations. Removed isBaseAddressKnownZero method,
because it is no longer used.

llvm-svn: 127540
 2011-03-12 13:07:37 +00:00
Jin-Gu Kang
5e537a9449 This patch removes some of useless instructions generated by bitfield access. 
llvm-svn: 127539
 2011-03-12 12:18:44 +00:00
Jakob Stoklund Olesen
6d02ddbbc3 Include snippets in the live stack interval. 
llvm-svn: 127530
 2011-03-12 04:25:36 +00:00
Jakob Stoklund Olesen
1f9f236b8a Spill multiple registers at once. 
Live range splitting can create a number of small live ranges containing only a
single real use. Spill these small live ranges along with the large range they
are connected to with copies. This enables memory operand folding and maximizes
the spill to fill distance.

Work in progress with known bugs.

llvm-svn: 127529
 2011-03-12 04:17:20 +00:00
Sean Callanan
4f6e58ff09 Fixed the comparison operator for the enhanced 
disassembler's disassembler map.

llvm-svn: 127527
 2011-03-12 03:27:54 +00:00
Jakob Stoklund Olesen
925b25d53d That's it, I am declaring this a failure of the C++03 STL. 
There are too many compatibility problems with using mixed types in
std::upper_bound, and I don't want to spend 110 lines of boilerplate setting up
a call to a 10-line function. Binary search is not /that/ hard to implement
correctly.

I tried terminating the binary search with a linear search, but that actually
made the algorithm slower against my expectation. Most live intervals have less
than 4 segments. The early test against endIndex() does pay, and this version is
25% faster than plain std::upper_bound().

llvm-svn: 127522
 2011-03-12 01:50:35 +00:00
Eric Christopher
392d8f7d08 Saving files before committing is overrated. 
Add a RUN line to this test.

llvm-svn: 127520
 2011-03-12 01:36:23 +00:00
Eric Christopher
80a45901e0 Sometimes isPredicable lies to us and tells us we don't need the operands. 
Go ahead and add them on when we might want to use them and let
later passes remove them.

Fixes rdar://9118569

llvm-svn: 127518
 2011-03-12 01:09:29 +00:00
Jim Grosbach
a87f223848 Remove no-longer-correct special case for disasm of ARM BL instructions. 
llvm-svn: 127517
 2011-03-12 01:05:29 +00:00
Jim Grosbach
f7531e7697 Add FIXME. 
llvm-svn: 127516
 2011-03-12 00:51:00 +00:00
Jim Grosbach
555d910477 Pseudo-ize the ARM Darwin *r9 call instruction definitions. They're the same 
actual instruction as the non-Darwin defs, but have different call-clobber
semantics and so need separate patterns. They don't need to duplicate the
encoding information, however.

llvm-svn: 127515
 2011-03-12 00:45:26 +00:00
Jim Grosbach
923c731f15 Add a FIXME. 
llvm-svn: 127511
 2011-03-11 23:25:21 +00:00
Jim Grosbach
daffeb06fb Pseudo-ize the ARM 'B' instruction. 
llvm-svn: 127510
 2011-03-11 23:24:15 +00:00
Jim Grosbach
2226dfbea2 Remove dead code. These ARM instruction definitions no longer exist. 
llvm-svn: 127509
 2011-03-11 23:15:02 +00:00
Jim Grosbach
01a937ac07 Remove dead code. These ARM instruction definitions no longer exist. 
llvm-svn: 127508
 2011-03-11 23:11:41 +00:00
Jim Grosbach
009af69d6d Pseudo-ize VMOVDcc and VMOVScc. 
llvm-svn: 127506
 2011-03-11 23:09:50 +00:00
Jim Grosbach
61ff87cd2d 80 columns 
llvm-svn: 127505
 2011-03-11 23:00:16 +00:00
Jim Grosbach
27eaca3e0d Properly pseudo-ize the ARM LDMIA_RET instruction. This has the nice side- 
effect that we get proper instruction printing using the "pop" mnemonic for it.

llvm-svn: 127502
 2011-03-11 22:51:41 +00:00
Cameron Zwarich
bf5c9cd119 Roll r127459 back in: 
Optimize trivial branches in CodeGenPrepare, which often get created from the
lowering of objectsize intrinsics. Unfortunately, a number of tests were relying
on llc not optimizing trivial branches, so I had to add an option to allow them
to continue to test what they originally tested.

This fixes <rdar://problem/8785296> and <rdar://problem/9112893>.

llvm-svn: 127498
 2011-03-11 21:52:04 +00:00
Cameron Zwarich
39a49276db Fix the GCC test suite issue exposed by r127477, which was caused by stack 
protector insertion not working correctly with unreachable code. Since that
revision was rolled out, this test doesn't actual fail before this fix.

llvm-svn: 127497
 2011-03-11 21:51:56 +00:00
Owen Anderson
78afadfa5d Teach FastISel to support register-immediate-immediate instructions. 
llvm-svn: 127496
 2011-03-11 21:33:55 +00:00
Jim Grosbach
39476d9010 80 columns. 
llvm-svn: 127495
 2011-03-11 21:02:27 +00:00
Jim Grosbach
4ed235527d Trailing whitespace. 
llvm-svn: 127493
 2011-03-11 20:59:19 +00:00
Jim Grosbach
b480da2317 Remove dead code. These ARM instruction definitions don't exist. 
llvm-svn: 127491
 2011-03-11 20:51:07 +00:00
Jim Grosbach
ee6075cda5 ARM VDUPfd and VDUPfq can just be patterns. The instruction is the same 
as for VDUP32d and VDUP32q, respectively.

llvm-svn: 127489
 2011-03-11 20:44:08 +00:00
Jim Grosbach
cb57d3b1d9 Remove dead code. These ARM instruction definitions don't exist. 
llvm-svn: 127488
 2011-03-11 20:38:18 +00:00
Jim Grosbach
3329263352 ARM VDUPLNfq and VDUPLNfd definitions can just be Pat<>s for VDUPLN32q 
and VDUPLN32d, respectively.

llvm-svn: 127486
 2011-03-11 20:31:17 +00:00
Jim Grosbach
431682981d ARM VREV64df and VREV64qf can just be patterns. The instruction is the same 
as for VREV64d32 and VREV64q32, respectively.

llvm-svn: 127485
 2011-03-11 20:18:05 +00:00
Jim Grosbach
fff6ff502b This FIXME has been fixed. 
llvm-svn: 127483
 2011-03-11 20:07:37 +00:00
Jim Grosbach
2ecded3a94 Properly pseudo-ize ARM MVNCCi. 
llvm-svn: 127482
 2011-03-11 19:55:55 +00:00
Jim Grosbach
9e8cf109dc Add missing 'return on failure'. Previously we'd crash after emitting 
the diagnostic.

llvm-svn: 127480
 2011-03-11 19:52:52 +00:00
Jan Sjödin
b58b9618ce Remove optimization emitting a reference insted of label difference, since it can create more relocations. Removed isBaseAddressKnownZero method, because it is no longer used. 
llvm-svn: 127478
 2011-03-11 19:37:02 +00:00
Daniel Dunbar
a02706c889 Revert r127459, "Optimize trivial branches in CodeGenPrepare, which often get 
created from the", it broke some GCC test suite tests.

llvm-svn: 127477
 2011-03-11 19:30:30 +00:00
Oscar Fuentes
548931d606 Force re-linking of LLVMgold.so when its exports file changes. 
llvm-svn: 127473
 2011-03-11 18:27:13 +00:00
Oscar Fuentes
d83646bbfd Fix processing of gold.exports. 
llvm-svn: 127471
 2011-03-11 18:07:46 +00:00
Devang Patel
8f39c0056d While printing annotations, print line number and variable name if debug info is present. 
llvm-svn: 127470
 2011-03-11 18:07:33 +00:00
Jim Grosbach
39804c0b44 Fix MOVCCi32imm to be have ARM-mode Requires and a proper size (8 bytes, was 4). 
llvm-svn: 127469
 2011-03-11 18:00:42 +00:00
Andrew Trick
6aa37a4a2b Replace -dag-chain-limit flag with constant. It has survived a release cycle without being touched, so no longer needs to pollute the hidden-help text. 
llvm-svn: 127468
 2011-03-11 17:46:59 +00:00
Oscar Fuentes
57a2625738 Add LTO and gold plugin to the CMake build. Linux-only, support for 
other systems pending.

PR9456.

llvm-svn: 127466
 2011-03-11 15:44:24 +00:00
Benjamin Kramer
d4ea449e7e ComputeMaskedBits: sub falls through to add, and sub doesn't have the same overflow semantics as add. 
Should fix the selfhost failures that started with r127463.

llvm-svn: 127465
 2011-03-11 14:46:49 +00:00