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Author SHA1 Message Date
Chris Lattner
0aed1e7701 simplify code that creates SubtargetFeatureInfo, ensuring that features 
that are only used by MnemonicAliases will be found.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117844 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 20:07:57 +00:00
Chris Lattner
d7e409da6d fix a fixme in stringmatcher, having it generate nice looking code if the 
'tomatch' code contains \n's.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117843 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 19:57:17 +00:00
Chris Lattner
8cf8bcc40c fix typos and some serious bugs in feature handling (but not for 
cases that are currently exercised).  Thanks to Frits van Bommel for
the great review!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117840 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 19:47:49 +00:00
Chris Lattner
0f899c78e1 Resolve a terrible hack in tblgen: instead of hardcoding 
"In32BitMode" and "In64BitMode" into tblgen, allow any
predicate that inherits from AssemblerPredicate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117831 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 19:38:20 +00:00
Chris Lattner
693173feef Implement (and document!) support for MnemonicAlias's to have Requires 
directives, allowing things like this:

def : MnemonicAlias<"pop", "popl">, Requires<[In32BitMode]>;
def : MnemonicAlias<"pop", "popq">, Requires<[In64BitMode]>;

Move the rest of the X86 MnemonicAliases over to the .td file.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117830 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 19:23:13 +00:00
Chris Lattner
8cc0a6b788 fix build problem 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117828 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 18:57:07 +00:00
Chris Lattner
4fd32c6648 diagnose targets that define two alises with the same 'from' mnemonic 
with a useful error message instead of having tblgen explode with an 
assert.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117827 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 18:56:12 +00:00
Chris Lattner
7fd4489de1 emit the mnemonic aliases in their own helper function instead of 
inline into MatchInstructionImpl.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117826 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 18:48:18 +00:00
Chris Lattner
a47b265b1a really zap alias. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117824 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 18:23:25 +00:00
Chris Lattner
b3c417845d move fcompi alias to .td file and zap some useless code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117823 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 18:22:53 +00:00
Chris Lattner
6f96b0899b move rep aliases to td file 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117822 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 18:17:33 +00:00
Chris Lattner
a17a9a00dc move sal aliases to .td file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117821 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 18:14:54 +00:00
Chris Lattner
1a1ecc9f3c fix an encoding mismatch where "sal %eax, 1" was not using the short encoding 
for shl.  Caught by inspection.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117820 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 18:13:10 +00:00
Chris Lattner
8b260a7644 move a bunch more aliases from .cpp -> .td file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117819 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 18:07:17 +00:00
Chris Lattner
8cb441c9e0 move cmov aliases to .td file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117818 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 17:56:50 +00:00
Chris Lattner
b69fc28e92 move setcc and jcc aliases from .cpp to .td 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117817 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 17:51:45 +00:00
Chris Lattner
537ca844dd move some code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117816 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 17:38:55 +00:00
Chris Lattner
674c1dcca2 implement (and document!) the first kind of MC assembler alias, which 
just remaps one mnemonic to another.  Convert a few of the X86 aliases
from .cpp to .td code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117815 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 17:36:36 +00:00
Chris Lattner
905b8f7614 add a test for the ud2a alias. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117803 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 17:01:25 +00:00
Duncan Sands
aa66099330 Now that the MallocInst no longer exists, this workaround for 
it claiming not to have side-effects is no longer needed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117789 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 16:12:16 +00:00
Jim Grosbach
d2f14256f0 Allow specifying a CPU to llvm-mc, so that we can properly set up subtarget 
feature lists for instruction pattern predicates.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117788 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 15:57:50 +00:00
Jim Grosbach
7644971232 Add FIXME. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117787 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 14:54:23 +00:00
Jim Grosbach
604cdf6ea7 Clean up comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117785 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 13:48:28 +00:00
Jim Grosbach
cf000c130f 80 columns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117784 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 13:46:39 +00:00
Duncan Sands
ad6f541840 If a function does a volatile load from a global constant, do not 
consider it to be readonly.  In fact, don't even consider it to be
readonly if it does a volatile load from an AllocaInst either (it
is debatable as to whether readonly would be correct or not in this
case; play safe for the moment).  This fixes PR8279.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117783 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 12:59:44 +00:00
Jim Grosbach
4aaf59d8ed Tidy up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117782 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 12:59:16 +00:00
Chris Lattner
16c3b647eb Rename alignof -> alignOf to avoid irritating C++'0x compilers, 
PR8423, patch by nobled.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117774 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 05:14:01 +00:00
Chris Lattner
9a82e70275 stay out of the reserved namespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117773 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 04:57:14 +00:00
Chris Lattner
dba34d874d simplify this code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117771 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 04:35:59 +00:00
Chris Lattner
e5658fa15e split MaybeParseRegister into its two logical uses, eliminating malloc+free traffic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117769 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 04:09:10 +00:00
Jim Grosbach
4b5236c966 Avoid re-evaluating MI.getNumOperands() every iteration of the loop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117766 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 01:40:16 +00:00
Jakob Stoklund Olesen
e5f4e9fb2b Include MachineBasicBlock numbers in viewCFG() output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117765 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 01:26:19 +00:00
Jakob Stoklund Olesen
5b4bb218d1 Make sure copies are inserted after any exception handling labels at the top of 
a basic block.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117764 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 01:26:16 +00:00
Jakob Stoklund Olesen
92095e7b3f Add SkipPHIsAndLabels from PHIElimination to MachineBasicBlock. It is needed 
elsewhere.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117763 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 01:26:14 +00:00
Jakob Stoklund Olesen
ab56647e6b Disable more of physical register live intervals verification. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117762 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 01:26:11 +00:00
Jakob Stoklund Olesen
7d57753df3 Print out register class of spilled register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117761 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 01:26:09 +00:00
Bob Wilson
f74a429816 Overhaul memory barriers in the ARM backend. Radar 8601999. 
There were a number of issues to fix up here:
* The "device" argument of the llvm.memory.barrier intrinsic should be
used to distinguish the "Full System" domain from the "Inner Shareable"
domain.  It has nothing to do with using DMB vs. DSB instructions.
* The compiler should never need to emit DSB instructions.  Remove the
ARMISD::SYNCBARRIER node and also remove the instruction patterns for DSB.
* Merge the separate DMB/DSB instructions for options only used for the
disassembler with the default DMB/DSB instructions.  Add the default
"full system" option ARM_MB::SY to the ARM_MB::MemBOpt enum.
* Add a separate ARMISD::MEMBARRIER_MCR node for subtargets that implement
a data memory barrier using the MCR instruction.
* Fix up encodings for these instructions (except MCR).
I also updated the tests and added a few new ones to check for DMB options
that were not currently being exercised.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117756 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 00:54:37 +00:00
Tobias Grosser
baaadb2672 Add polly support to the build system. 
Update the cmake and autoconf build system to compile polly
as a shared library if it is checked out into tools/polly. In case
polly is not checked out, nothing changes.
This models the way clang can be added to llvm if checked out to tools/clang.

Also rebuild configure.

Patch contributed by ether.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117755 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 00:54:26 +00:00
Jim Grosbach
6b5252db2d Encode the register list operands for ARM mode LDM/STM instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117753 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 00:37:59 +00:00
Bill Wendling
52925b60f1 Some instructions end with an "ls" prefix, but it doesn't indicate that they are 
conditional. Check for those instructions explicitly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117747 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 23:50:21 +00:00
John Thompson
47245422a4 Mult-alt constraint incremental development step 3. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117746 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 23:37:38 +00:00
Evan Cheng
189c1ec4c1 Teach machine cse to eliminate instructions with multiple physreg uses and defs. rdar://8610857. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117745 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 23:36:03 +00:00
Jim Grosbach
f38bfd1918 Remove hard tab characters. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117742 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 23:23:15 +00:00
Jim Grosbach
c4bc2111a7 80 column fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117741 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 23:21:57 +00:00
Jim Grosbach
d8a11c25fa trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117740 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 23:21:03 +00:00
Jim Grosbach
0d2d2e9246 s/getNEONVcvtImm32/getNEONVcvtImm32OpValue/ to be consistent with other operand 
encoder functions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117738 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 23:19:55 +00:00
Evan Cheng
e09206d4d7 Fix fpscr <-> GPR latency info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117737 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 23:16:55 +00:00
Rafael Espindola
d179886f05 Be more strict on when we produce an undefined reference. In gas a file with 
just

.type   foo,@object

will produce an undefined reference to foo. On the other hand, a file with
just

.weakref bar, foo

will not. It is somewhat hard to support both in MC since both statements
should create the symbols. It should be possible if we really need to by
adding to the flags, but hopefully that is not necessary.

With this patch we do not produce a undefined reference in any of those cases.
The assembly file needs an actual use for the undefined reference to be
present.

This is in preparation for a patch implementing .weakref.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117735 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 23:09:31 +00:00
Dan Gohman
e836e5f174 Apply a patch from Frits van Bommel to fix the CMake build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117731 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 22:36:50 +00:00
Bob Wilson
db1da8ed42 Clean up indentation and other whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117728 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 22:20:45 +00:00