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Author SHA1 Message Date
Jakob Stoklund Olesen
3316ab31e9 Print out register number in InlineSpiller. 
llvm-svn: 158575
 2012-06-15 23:47:09 +00:00
Andrew Trick
09636304d5 Unit test for LSR kind=Special fix: r158536. 
llvm-svn: 158570
 2012-06-15 22:46:31 +00:00
Jakob Stoklund Olesen
205bad454a Accept null PhysReg arguments to checkRegMaskInterference. 
Calling checkRegMaskInterference(VirtReg) checks if VirtReg crosses any
regmask operands, regardless of the registers they clobber.

llvm-svn: 158563
 2012-06-15 22:24:22 +00:00
Michael J. Spencer
542987e1cd [docs] Make it pretty. 
llvm-svn: 158561
 2012-06-15 22:17:44 +00:00
Kevin Enderby
4964b6a4e2 Fix the encoding of the armv7m (MClass) for MSR registers other than aspr, 
iaspr, espr and xpsr which also needed to have 0b10 in their mask encoding bits.

llvm-svn: 158560
 2012-06-15 22:14:44 +00:00
Manman Ren
7ffcd63dea ARM: optimization for sub+abs. 
This patch will optimize abs(x-y)
FROM
sub, movs, rsbmi
TO
subs, rsbmi

For abs, we will use cmp instead of movs. This is necessary because we already
have an existing peephole pass which optimizes away cmp following sub.

rdar: 11633193
llvm-svn: 158551
 2012-06-15 21:32:12 +00:00
Kay Tiong Khoo
a419828b83 *fixed to separate mnemonic from operands with tab 
llvm-svn: 158543
 2012-06-15 21:04:21 +00:00
Andrew Trick
9d4c6e3d2f LSR: fix expansion of scaled reg in non-address type formulae. 
For non-address users, Base and Scaled registers are not specially
associated to fit an address mode, so SCEVExpander should apply normal
expansion rules. Otherwise we may sink computation into inner loops
that have already been optimized.

llvm-svn: 158537
 2012-06-15 20:07:29 +00:00
Andrew Trick
6d4d71a482 LSR fix: "Special" users are just like "Basic" users but allow -1 scale. 
llvm-svn: 158536
 2012-06-15 20:07:26 +00:00
Bill Wendling
2487af64b0 Remove assignments which aren't used afterwards. 
llvm-svn: 158535
 2012-06-15 19:30:42 +00:00
Bill Wendling
3305b9c843 Remove assignments which aren't used afterwards. 
llvm-svn: 158534
 2012-06-15 19:28:20 +00:00
Pete Cooper
d64dbc9162 Allow SROA to split up an array of vectors into multiple vectors, even when the vectors are dynamically indexed 
llvm-svn: 158529
 2012-06-15 18:07:29 +00:00
Rafael Espindola
9a1bc0fa81 Some optimizations done by globalopt are safe only for internal linkage, not 
linkonce linkage. For example, it is not valid to add unnamed_addr.

This also fixes a crash in g++.dg/opt/static5.C.

llvm-svn: 158528
 2012-06-15 18:00:24 +00:00
Jakob Stoklund Olesen
6fd22231ba Preserve <undef> flags in ARMExpandPseudo. 
This probably mostly shows up in bugpoint-generated code.

llvm-svn: 158527
 2012-06-15 17:46:54 +00:00
Jakob Stoklund Olesen
919b38424e Use regunit liveness in RegisterCoalescer when it is available. 
We only do very limited physreg coalescing now, but we still merge
virtual registers into reserved registers.

llvm-svn: 158526
 2012-06-15 17:36:48 +00:00
Rafael Espindola
9efec1f548 Factor macro argument parsing into helper methods and add support for .irp. 
Patch extracted from a larger one by the PaX team. I added the testcases
and tightened error handling a bit.

llvm-svn: 158523
 2012-06-15 14:02:34 +00:00
Bill Wendling
33d8ca2ddc Free the allocated filename. Found by clang static analyzer. 
llvm-svn: 158513
 2012-06-15 09:11:47 +00:00
Duncan Sands
8f0f616a54 Fix issues (infinite loop and/or crash) with self-referential instructions, for 
example degenerate phi nodes and binops that use themselves in unreachable code.
Thanks to Charles Davis for the testcase that uncovered this can of worms.

llvm-svn: 158508
 2012-06-15 08:37:50 +00:00
Craig Topper
19cfb998fd Move AVX version of convert instructions that write to GPRs to the Op1 table. 
llvm-svn: 158497
 2012-06-15 07:02:58 +00:00
Marshall Clow
0ee85444ac Had a closing brace inside an #ifdef -- oops! 
llvm-svn: 158485
 2012-06-15 01:15:47 +00:00
Marshall Clow
49e964c47f Adding acessors to COFFObjectFile so that clients can get at the (non-generic) bits 
llvm-svn: 158484
 2012-06-15 01:08:25 +00:00
Pete Cooper
f7d46afa61 Recommit r158407: Allow SROA to look at a vector type and see if the offset is out of range to be replaced with a scalar access. Now with additional fix and test for indexing into a vector inside a struct 
llvm-svn: 158479
 2012-06-14 23:53:53 +00:00
Rafael Espindola
41f1be2080 Implement the isSafeToDiscardIfUnused predicate and use it in globalopt and 
globaldce. Globaldce was already removing linkonce globals, but globalopt was
not.

llvm-svn: 158476
 2012-06-14 22:48:13 +00:00
Pete Cooper
e1c5e7bf9f Move X86::VCVTTSD2SIrr from the 2 operand to 1 operand MemRegOp table. 
Can someone with more knowledge of this please look at other entries
to see if others need moved.

llvm-svn: 158474
 2012-06-14 22:12:58 +00:00
Akira Hatanaka
5e9724637e Fix coding style violations. Remove white spaces and tabs. 
llvm-svn: 158471
 2012-06-14 21:10:56 +00:00
Akira Hatanaka
d1b2b96ed5 1. introduce MipsPat in place of Pat in order to exclude those from 
being used by Mips16 or Micro Mips
2. clean up a few lines too long encountered

Patch by Reed Kotler.

llvm-svn: 158470
 2012-06-14 21:03:23 +00:00
Akira Hatanaka
93c5168e49 Make machine verifier check the first instruction of the last bundle instead of 
the last instruction of a basic block.

llvm-svn: 158468
 2012-06-14 20:51:13 +00:00
Lang Hames
a4512782f7 Make comment slightly more helpful. 
llvm-svn: 158467
 2012-06-14 20:37:15 +00:00
Pete Cooper
75c1521e67 Revert r158454: Allow SROA to look at a vector type... Its breaking the vectorise buildbot 
This reverts commit 12c1f86ffa731e2952c80d2cc577000c96b8962c.

llvm-svn: 158462
 2012-06-14 18:32:52 +00:00
Andrew Trick
bef78f6714 misched: disable SSA check pending PR13112. 
llvm-svn: 158461
 2012-06-14 17:48:49 +00:00
Stepan Dyatkovskiy
bb6d2dc9da SmallMap, FlatArrayMap::copyFrom 
Replaced memcpy with std::copy, since the first one may work improperly with non POD data.

llvm-svn: 158457
 2012-06-14 16:59:43 +00:00
David Blaikie
51b8e0f412 Remove/modify C backend references from LLVM documentation. 
Patch by Wei-Ren Chen.

llvm-svn: 158456
 2012-06-14 16:52:55 +00:00
David Blaikie
4194d74903 Remove C backend reference from the FAQ. 
llvm-svn: 158455
 2012-06-14 16:43:11 +00:00
Pete Cooper
8bba872141 Recommit r158407: Allow SROA to look at a vector type and see if the offset is out of range to be replaced with a scalar access. Now with additional fix and test for indexing into a vector inside a struct 
llvm-svn: 158454
 2012-06-14 16:38:13 +00:00
Duncan Sands
36ade32369 Clarify a bit that the types have to be the same. Came up on IRC. 
llvm-svn: 158453
 2012-06-14 14:58:28 +00:00
NAKAMURA Takumi
cf2652ae8c MipsLongBranch.cpp: Tweak llvm::next() to appease msvc. 
llvm-svn: 158446
 2012-06-14 12:29:48 +00:00
Richard Barton
2a7d06a53e Replace assertion failure for badly formatted CPS instrution with error message. 
llvm-svn: 158445
 2012-06-14 10:48:04 +00:00
Jush Lu
6dd02e5fe3 Cleanup whitespace. 
llvm-svn: 158443
 2012-06-14 06:08:19 +00:00
Manman Ren
797e146fae Revert: test/CodeGen/ARM/iabs.ll in r158441 
Sorry that I accidently checked in this file with my previous commit.

llvm-svn: 158442
 2012-06-14 06:04:02 +00:00
Manman Ren
e3471c0bdf InstCombine: fix a bug when combining (fcmp cc0 x, y) && (fcmp cc1 x, y). 
uno && ueq was converted to ueq, it should be converted to uno.

llvm-svn: 158441
 2012-06-14 05:57:42 +00:00
Akira Hatanaka
1d6b061ade Test case for MIPS long branch pass. 
llvm-svn: 158438
 2012-06-14 02:12:21 +00:00
Akira Hatanaka
012069bb89 Fix Mips/CMakeLists.txt. 
llvm-svn: 158437
 2012-06-14 01:23:55 +00:00
Akira Hatanaka
70ebace503 Add file MipsLongBranch.cpp. 
llvm-svn: 158436
 2012-06-14 01:22:24 +00:00
Akira Hatanaka
6bdcfb22d7 Fix test cases. 
llvm-svn: 158435
 2012-06-14 01:21:00 +00:00
Akira Hatanaka
7ea45292fb Remove code in MipsAsmPrinter and MipsMCInstLower. 
llvm-svn: 158434
 2012-06-14 01:20:12 +00:00
Akira Hatanaka
0d20b51ff7 Add long branch expansion pass for MIPS. 
llvm-svn: 158433
 2012-06-14 01:19:35 +00:00
Akira Hatanaka
19512459e6 Add AT to the list of registers clobbered by branches so that it is available 
as a scratch register when they are expanded to long branches.

llvm-svn: 158432
 2012-06-14 01:17:59 +00:00
Akira Hatanaka
fb3c87c739 In MipsRegisterInfo::eliminateFrameIndex, call Mips::loadImmediate 
to load an immediate that does not fit into 16-bit. 

llvm-svn: 158431
 2012-06-14 01:17:36 +00:00
Akira Hatanaka
415903692b In MipsFrameLowering::emitPrologue and emitEpilogue, call Mips::loadImmediate 
to load an immediate that does not fit into 16-bit. Also, take into
consideration the global base register slot on the stack when computing the
stack size. 

llvm-svn: 158430
 2012-06-14 01:17:13 +00:00
Akira Hatanaka
8f2f845215 Define function MipsInstrInfo::GetInstSizeInBytes, which will be called to 
compute the size of basic blocks in a function. Also, define a function which
emits a series of instructions to load an immediate.

llvm-svn: 158429
 2012-06-14 01:16:45 +00:00