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39810 Commits

Author SHA1 Message Date
Daniel Dunbar 4be8f2ffad MC: Move AsmParser::TokError to MCAsmParser(). 
llvm-svn: 108155
 2010-07-12 17:18:45 +00:00
Daniel Dunbar 4042c33cd8 MC: Move getLoc() to MCAsmLexer(). 
llvm-svn: 108154
 2010-07-12 17:10:00 +00:00
Benjamin Kramer 8f36402ac2 Nope, still breaks the release selfhost bots :( 
llvm-svn: 108153
 2010-07-12 16:38:48 +00:00
Benjamin Kramer 07b695e052 Reapply the "or" half of r108136, which seems to be less problematic. 
llvm-svn: 108152
 2010-07-12 16:15:48 +00:00
Gabor Greif 1b787df129 cache result of operator* 
llvm-svn: 108150
 2010-07-12 15:48:26 +00:00
Dan Gohman 68d7424a65 Don't fast-isel an x87 comparison opcode, as fast-isel doesn't 
support branching on x87 comparisons yet. This fixes PR7624.

llvm-svn: 108149
 2010-07-12 15:46:30 +00:00
Benjamin Kramer c719e8ae9e Revert r108141 again, sigh. 
llvm-svn: 108148
 2010-07-12 14:42:04 +00:00
Gabor Greif 96fedcb136 cache result of operator* 
llvm-svn: 108147
 2010-07-12 14:15:58 +00:00
Gabor Greif f9c38b5a45 cache result of operator* 
llvm-svn: 108146
 2010-07-12 14:15:10 +00:00
Gabor Greif 88dd73b75e cache result of operator* 
llvm-svn: 108145
 2010-07-12 14:14:03 +00:00
Gabor Greif a75ed761a9 cache result of operator* 
llvm-svn: 108144
 2010-07-12 14:13:15 +00:00
Gabor Greif 15445db11b cache results of operator* 
llvm-svn: 108143
 2010-07-12 14:12:11 +00:00
Gabor Greif a5fa885d47 cache results of operator* 
llvm-svn: 108142
 2010-07-12 14:10:24 +00:00
Benjamin Kramer f578c36035 Reapply 108136 with an ugly pasto fixed. 
llvm-svn: 108141
 2010-07-12 13:44:00 +00:00
Benjamin Kramer 11743249e6 Move optimization to avoid redundant matching. 
llvm-svn: 108140
 2010-07-12 13:34:22 +00:00
Benjamin Kramer 9675e759cf Revert r108136 until I figure out why it broke selfhost. 
llvm-svn: 108139
 2010-07-12 12:35:49 +00:00
Gabor Greif 782f62412f cache dereferenced iterators 
llvm-svn: 108138
 2010-07-12 12:03:02 +00:00
Gabor Greif 433b975fe2 recommit r108131 (hich has been backed out in r108135) with a fix 
llvm-svn: 108137
 2010-07-12 12:02:10 +00:00
Benjamin Kramer 35473faa50 instcombine: fold (x & y) | (~x & z) and (x & y) ^ (~x & z) into ((y ^ z) & x) ^ z which is one instruction shorter. (PR6773) 
before:
  %and = and i32 %y, %x
  %neg = xor i32 %x, -1
  %and4 = and i32 %z, %neg
  %xor = xor i32 %and4, %and

after:
  %xor1 = xor i32 %z, %y
  %and2 = and i32 %xor1, %x
  %xor = xor i32 %and2, %z

llvm-svn: 108136
 2010-07-12 11:54:45 +00:00
Gabor Greif f9610827ce back out r108131 (of TailDuplication.cpp) for now, it causes a buildbot failure 
llvm-svn: 108135
 2010-07-12 11:32:39 +00:00
Gabor Greif 6143704ac5 cache dereferenced iterators 
llvm-svn: 108134
 2010-07-12 11:19:24 +00:00
Gabor Greif 8629f12bb8 cache dereferenced iterators 
llvm-svn: 108133
 2010-07-12 10:59:23 +00:00
Gabor Greif d993402df3 cache dereferenced iterators 
llvm-svn: 108132
 2010-07-12 10:49:54 +00:00
Gabor Greif 2a464d7308 cache dereferenced iterators 
llvm-svn: 108131
 2010-07-12 10:36:48 +00:00
Duncan Sands 41b4a6b36a Convert some tab stops into spaces. 
llvm-svn: 108130
 2010-07-12 08:16:59 +00:00
Chandler Carruth 57041d81df Add parentheses around an || to correct the logic. Also silences a GCC warning 
that was actually useful here.

Chris, please double check that this is the correct interpretation. I was
pretty sure, and ran it by Nick as well.

llvm-svn: 108129
 2010-07-12 06:47:05 +00:00
Chris Lattner d83984f623 Path::isRootDirectory is unimplemented on Unix and not used, 
remove it, fixing PR6909.

llvm-svn: 108125
 2010-07-12 04:39:07 +00:00
Rafael Espindola 6635f9838e Convert getLoadStoreRegOpcode to use a switch. 
llvm-svn: 108123
 2010-07-12 03:43:04 +00:00
Rafael Espindola 871c724773 Convert the last use of getPhysicalRegisterRegClass and remove it. 
AggressiveAntiDepBreaker should not be using getPhysicalRegisterRegClass. An
instruction might be using a register that can only be replaced with one from
a subclass of getPhysicalRegisterRegClass.

With this patch we use getMinimalPhysRegClass. This is correct, but
conservative. We should check the uses of the register and select the
largest register class that can be used in all of them.

llvm-svn: 108122
 2010-07-12 02:55:34 +00:00
Jakob Stoklund Olesen de7201545e A basic block that only uses RFP registers still needs the FP_REG_KILL marker. 
This fixes PR7375.

llvm-svn: 108120
 2010-07-12 02:12:47 +00:00
Rafael Espindola 01c5a15dde Don't use getPhysicalRegisterRegClass in PBQP. The existing checks that the 
physical register can be allocated in the class of the virtual are sufficient.

I think that the test for virtual registers is more strict than it needs to be,
it should be possible to coalesce two virtual registers the class of one
is a subclass of the other.

llvm-svn: 108118
 2010-07-12 01:45:38 +00:00
Chris Lattner 25eea4db66 fix PR7311 by avoiding breaking casts when a bitcast from scalar->vector 
is involved.

llvm-svn: 108117
 2010-07-12 01:19:22 +00:00
Chris Lattner 601e390a3b make the prototypes for CreateMalloc and CreateFree more consistent. Patch 
by Hans Vandierendonck from PR7605

llvm-svn: 108116
 2010-07-12 00:57:28 +00:00
Rafael Espindola e35d70fafa Convert the last getPhysicalRegisterRegClass in VirtRegRewriter.cpp to 
getMinimalPhysRegClass. It was used to produce spills, and it is better to
use the most specific class if possible.

Update getLoadStoreRegOpcode to handle GR32_AD.

llvm-svn: 108115
 2010-07-12 00:52:33 +00:00
Chris Lattner bbc25ff5cc if jump threading is able to infer interesting values on both 
the LHS and RHS of an and/or instruction, don't multiply add
known predecessor values.  This fixes the crash on testcase
from PR7498

llvm-svn: 108114
 2010-07-12 00:47:34 +00:00
Chris Lattner fd4a09fc0a fix PR7429, a crash turning a load from a string into a float. 
llvm-svn: 108113
 2010-07-12 00:22:51 +00:00
Chris Lattner cda39c4ee4 improve Path::makeUnique when mkstemp/mktemp are not available 
patch by Lasse Kärkkäinen in PR7404.

llvm-svn: 108110
 2010-07-12 00:09:55 +00:00
Chris Lattner 0b7ae20a35 change machinelicm to use MachineInstr::isSafeToMove. No 
intended functionality change.

The avoidance of hoistiing implicitdef seems wrong though.

llvm-svn: 108109
 2010-07-12 00:00:35 +00:00
Chris Lattner b6df00c29a first part of JIT support for address of labels, part of PR7264, 
patch by Yuri!

llvm-svn: 108107
 2010-07-11 23:07:28 +00:00
Chris Lattner 2c52b7997c introduce WinCOFFObjectWriter, patch by Michael Spencer! 
llvm-svn: 108103
 2010-07-11 22:07:02 +00:00
Chris Lattner 56725be9ef introduce WinCOFFStreamer.cpp, patch by Michael Spencer! 
llvm-svn: 108102
 2010-07-11 22:05:00 +00:00
Nick Lewycky 5d373c2141 If it's safe to speculatively execute load(alloca) the it's safe to execute 
load(gep(alloca)) where the gep is all-zeros. There's more we could do here but
this is a common case.

llvm-svn: 108101
 2010-07-11 20:36:29 +00:00
Chris Lattner 31bd2de24e fix typo 
llvm-svn: 108100
 2010-07-11 19:42:53 +00:00
Jakob Stoklund Olesen 0961c55161 RISC architectures get their memory operand folding for free. 
The only folding these load/store architectures can do is converting COPY into a
load or store, and the target independent part of foldMemoryOperand already
knows how to do that.

llvm-svn: 108099
 2010-07-11 19:19:13 +00:00
Jakob Stoklund Olesen f6c7d7fb3f Use target independent COPY instructions for the fake fextend and fround 
operations in x87 code.

llvm-svn: 108098
 2010-07-11 18:19:39 +00:00
Jakob Stoklund Olesen 7c1392a765 Remove redundant branch. Thanks, Anton! 
llvm-svn: 108097
 2010-07-11 17:17:35 +00:00
Jakob Stoklund Olesen 98ee37d878 Remove obsolete README_SSE note. 
We are generating movaps for all XMM register copies, including scalar
floating point values. This is known to be at least as good as movss and movsd
for all known architectures up to and including Nehalem because it avoids a
partial register stall.

The SSEDomainFix pass will switch movaps to movdqa when appropriate (i.e., when
operands come from the integer unit). We don't now that switching movaps to
movapd has any benefit.

The same applies to andps -> pand.

llvm-svn: 108096
 2010-07-11 17:13:42 +00:00
Jakob Stoklund Olesen c4227f1362 Remove TargetInstrInfo::copyRegToReg entirely. 
Targets must now implement TargetInstrInfo::copyPhysReg instead. There is no
longer a default implementation forwarding to copyRegToReg.

llvm-svn: 108095
 2010-07-11 17:01:17 +00:00
Rafael Espindola 1da1cfccb1 Make getPhysicalRegisterRegClass non-virtual. Should be able to remove it soon. 
llvm-svn: 108094
 2010-07-11 16:49:10 +00:00
Rafael Espindola d7c4963f2f Convert uses of getPhysicalRegisterRegClass in VirtRegRewriter.cpp. 
The first one was used just to call isSafeToMoveRegClassDefs. In
general, using a more specific reg class is better, in practice only
x86 implements that method and the results are always the same.

The second one is in FindFreeRegister and is used to check if a register
is in a register class, a much more direct call to contains is better as
it should cover more cases and is faster.

llvm-svn: 108093
 2010-07-11 16:45:17 +00:00