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Author SHA1 Message Date
Dan Gohman
be4d10d7fa Don't fast-isel an x87 comparison opcode, as fast-isel doesn't 
support branching on x87 comparisons yet. This fixes PR7624.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108149 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 15:46:30 +00:00
Benjamin Kramer
e2d07b5208 Revert r108141 again, sigh. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108148 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 14:42:04 +00:00
Gabor Greif
40119ceeec cache result of operator* 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108147 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 14:15:58 +00:00
Gabor Greif
a53029b1fc cache result of operator* 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108146 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 14:15:10 +00:00
Gabor Greif
65b9212d34 cache result of operator* 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108145 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 14:14:03 +00:00
Gabor Greif
aaaaa02a93 cache result of operator* 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108144 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 14:13:15 +00:00
Gabor Greif
b7df500063 cache results of operator* 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108143 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 14:12:11 +00:00
Gabor Greif
ee1f44fba3 cache results of operator* 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108142 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 14:10:24 +00:00
Benjamin Kramer
98a8206e58 Reapply 108136 with an ugly pasto fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108141 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 13:44:00 +00:00
Benjamin Kramer
ad854f0764 Move optimization to avoid redundant matching. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108140 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 13:34:22 +00:00
Benjamin Kramer
0cc4ed1ca5 Revert r108136 until I figure out why it broke selfhost. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108139 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 12:35:49 +00:00
Gabor Greif
110b75aa75 cache dereferenced iterators 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108138 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 12:03:02 +00:00
Gabor Greif
639e9e47a2 recommit r108131 (hich has been backed out in r108135) with a fix 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108137 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 12:02:10 +00:00
Benjamin Kramer
4fc719e607 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108136 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 11:54:45 +00:00
Gabor Greif
e99e077522 back out r108131 (of TailDuplication.cpp) for now, it causes a buildbot failure 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108135 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 11:32:39 +00:00
Gabor Greif
fc41f90817 cache dereferenced iterators 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108134 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 11:19:24 +00:00
Gabor Greif
625398343e cache dereferenced iterators 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108133 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 10:59:23 +00:00
Gabor Greif
f1b2874c68 cache dereferenced iterators 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108132 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 10:49:54 +00:00
Gabor Greif
a8b9df7bd9 cache dereferenced iterators 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108131 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 10:36:48 +00:00
Duncan Sands
3472766f9e Convert some tab stops into spaces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108130 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 08:16:59 +00:00
Chandler Carruth
490b8f5d64 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108129 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 06:47:05 +00:00
Eric Christopher
6c50792653 Remove tab characters and 80-col. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108127 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 05:26:37 +00:00
Eric Christopher
ca3ca138d8 80 columns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108126 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 05:13:35 +00:00
Chris Lattner
a6c04ee4c8 Path::isRootDirectory is unimplemented on Unix and not used, 
remove it, fixing PR6909.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108125 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 04:39:07 +00:00
Rafael Espindola
5a717a3ae7 Convert getLoadStoreRegOpcode to use a switch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108123 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 03:43:04 +00:00
Rafael Espindola
7e1b566322 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108122 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 02:55:34 +00:00
Eric Christopher
688d58033a Fix up the ocaml kaleidoscope example as well. 
Note that the example currently doesn't appear to work.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108121 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 02:32:44 +00:00
Jakob Stoklund Olesen
8b78d4b5bb A basic block that only uses RFP registers still needs the FP_REG_KILL marker. 
This fixes PR7375.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108120 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 02:12:47 +00:00
Rafael Espindola
cbeb3db8fd 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108118 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 01:45:38 +00:00
Chris Lattner
dfd3626b47 fix PR7311 by avoiding breaking casts when a bitcast from scalar->vector 
is involved.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108117 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 01:19:22 +00:00
Chris Lattner
5a30a8574c make the prototypes for CreateMalloc and CreateFree more consistent. Patch 
by Hans Vandierendonck from PR7605


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108116 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 00:57:28 +00:00
Rafael Espindola
0bfd09201e 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108115 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 00:52:33 +00:00
Chris Lattner
0a96144aac 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108114 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 00:47:34 +00:00
Chris Lattner
eae2895120 fix PR7429, a crash turning a load from a string into a float. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108113 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 00:22:51 +00:00
Chris Lattner
ddef83536c convert to filechecconvert to filecheckk 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108112 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 00:21:10 +00:00
Chris Lattner
243a73d0e6 merge two tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108111 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 00:19:47 +00:00
Chris Lattner
1f01109254 improve Path::makeUnique when mkstemp/mktemp are not available 
patch by Lasse Kärkkäinen in PR7404.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108110 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 00:09:55 +00:00
Chris Lattner
7791080151 change machinelicm to use MachineInstr::isSafeToMove. No 
intended functionality change.

The avoidance of hoistiing implicitdef seems wrong though.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108109 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 00:00:35 +00:00
Chris Lattner
68feb22ad8 first part of JIT support for address of labels, part of PR7264, 
patch by Yuri!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108107 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-11 23:07:28 +00:00
Chris Lattner
b162290e39 introduce WinCOFFObjectWriter, patch by Michael Spencer! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108103 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-11 22:07:02 +00:00
Chris Lattner
eb72dcaef7 introduce WinCOFFStreamer.cpp, patch by Michael Spencer! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108102 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-11 22:05:00 +00:00
Nick Lewycky
8e82e3bf59 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108101 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-11 20:36:29 +00:00
Chris Lattner
b4a9631e55 fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108100 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-11 19:42:53 +00:00
Jakob Stoklund Olesen
600f171486 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108099 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-11 19:19:13 +00:00
Jakob Stoklund Olesen
a66450d227 Use target independent COPY instructions for the fake fextend and fround 
operations in x87 code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108098 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-11 18:19:39 +00:00
Jakob Stoklund Olesen
4cae5af54e Remove redundant branch. Thanks, Anton! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108097 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-11 17:17:35 +00:00
Jakob Stoklund Olesen
aef48d7b36 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108096 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-11 17:13:42 +00:00
Jakob Stoklund Olesen
744b3a5acd Remove TargetInstrInfo::copyRegToReg entirely. 
Targets must now implement TargetInstrInfo::copyPhysReg instead. There is no
longer a default implementation forwarding to copyRegToReg.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108095 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-11 17:01:17 +00:00
Rafael Espindola
d6d7abaf4e Make getPhysicalRegisterRegClass non-virtual. Should be able to remove it soon. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108094 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-11 16:49:10 +00:00
Rafael Espindola
db77609991 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108093 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-11 16:45:17 +00:00