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244 Commits

Author SHA1 Message Date
Dan Gohman
9bcfdf98f1 Change SelectCode's argument from SDValue to SDNode *, to make it more 
clear what information these functions are actually using.

This is also a micro-optimization, as passing a SDNode * around is
simpler than passing a { SDNode *, int } by value or reference.

llvm-svn: 92564
 2010-01-05 01:24:18 +00:00
Bill Wendling
5457c30e95 Mark variable used by 'assert' as 'unused'. 
llvm-svn: 92198
 2009-12-28 02:07:00 +00:00
Bill Wendling
a717566a5c Remove dead variable. 
llvm-svn: 92197
 2009-12-28 02:05:36 +00:00
Anton Korobeynikov
89d281c7c3 Mark FPW as allocable when frame address is taken. 
llvm-svn: 91841
 2009-12-21 20:18:49 +00:00
John McCall
923cb2d8d7 Pass the error string directly to llvm_unreachable instead of the residual 
(0 && "error").  Rough consensus seems to be that g++ *should* be diagnosing
this because the pointer makes it not an ICE in c++03.  Everyone agrees that
the current standard is silly and null-pointer-ness should not be based on
ICE-ness.  Excellent fight scene in Act II, denouement weak, two stars.

llvm-svn: 91644
 2009-12-18 00:27:18 +00:00
Anton Korobeynikov
fddfe4d096 Do not allow uninitialize access during debug printing 
llvm-svn: 91232
 2009-12-13 01:00:32 +00:00
Anton Korobeynikov
5cd169e17e Implement variable-width shifts. 
No testcase yet - it seems we're exposing generic codegen bugs.

llvm-svn: 91221
 2009-12-12 18:55:37 +00:00
Anton Korobeynikov
724c82337f Lower setcc branchless, if this is profitable. 
Based on the patch by Brian Lucas!

llvm-svn: 91175
 2009-12-11 23:01:29 +00:00
Anton Korobeynikov
0ace515a4c Reduce (cmp 0, and_su (foo, bar)) into (bit foo, bar). This saves extra instruction. Patch inspired by Brian Lucas! 
llvm-svn: 90819
 2009-12-08 01:03:04 +00:00
Anton Korobeynikov
615499bd84 Some pretty-printing 
llvm-svn: 90742
 2009-12-07 02:28:41 +00:00
Anton Korobeynikov
d01ed4146b Add lowering of returnaddr and frameaddr intrinsics. Shamelessly stolen from x86 :) 
llvm-svn: 90740
 2009-12-07 02:28:10 +00:00
Anton Korobeynikov
71b92ae4e0 Initial codegen support for MSP430 ISRs 
llvm-svn: 90739
 2009-12-07 02:27:53 +00:00
Anton Korobeynikov
02fa40119e Add ability to select hw multiplier mode and select appropriate libcalls. 
llvm-svn: 90737
 2009-12-07 02:27:08 +00:00
Dan Gohman
f9654e9258 Remove the target hook TargetInstrInfo::BlockHasNoFallThrough in favor of 
MachineBasicBlock::canFallThrough(), which is target-independent and more
thorough.

llvm-svn: 90634
 2009-12-05 00:44:40 +00:00
Chris Lattner
9ce833945e improve portability to avoid conflicting with std::next in c++'0x. 
Patch by Howard Hinnant!

llvm-svn: 90365
 2009-12-03 00:50:42 +00:00
Anton Korobeynikov
5511c0260f Minor optimization: when doing eq/ne comparions and RHS is a constant - swap operands, this will allow us to fold imm into comparison. 
llvm-svn: 89574
 2009-11-22 01:14:08 +00:00
Anton Korobeynikov
10669b8c42 Drop unsupported imm operands 
llvm-svn: 89573
 2009-11-22 01:13:54 +00:00
Anton Korobeynikov
44886c9a90 Use 2-byte alignment for functions. 4 bytes are clear overkill here. 
llvm-svn: 89572
 2009-11-22 01:13:39 +00:00
Anton Korobeynikov
9cea2b264c Use semicolon as assembler comment string 
llvm-svn: 89571
 2009-11-22 01:12:49 +00:00
Dan Gohman
ca4026afec Update for new getBlockAddress signature. 
llvm-svn: 89507
 2009-11-20 23:21:00 +00:00
David Greene
97a1f550d1 Move DebugInfo checks into EmitComments and remove them from 
target-specific AsmPrinters.  Not all comments need DebugInfo.

Re-enable the line numbers comment test.

llvm-svn: 88697
 2009-11-13 21:34:57 +00:00
David Greene
9934b1d063 Make the MachineFunction argument of getFrameRegister const. 
This also fixes a build error.

llvm-svn: 87027
 2009-11-12 21:00:03 +00:00
David Greene
58e7c6145b Add a bool flag to StackObjects telling whether they reference spill 
slots.  The AsmPrinter will use this information to determine whether to
print a spill/reload comment.

Remove default argument values.  It's too easy to pass a wrong argument
value when multiple arguments have default values.  Make everything
explicit to trap bugs early.

Update all targets to adhere to the new interfaces..

llvm-svn: 87022
 2009-11-12 20:49:22 +00:00
Dan Gohman
4631d78a3b Set isBarrier = 1 on return instructions, as they are control barriers. 
llvm-svn: 86851
 2009-11-11 18:11:07 +00:00
Jeffrey Yasskin
23ac706aab Fix DenseMap iterator constness. 
This patch forbids implicit conversion of DenseMap::const_iterator to
DenseMap::iterator which was possible because DenseMapIterator inherited
(publicly) from DenseMapConstIterator. Conversion the other way around is now
allowed as one may expect.

The template DenseMapConstIterator is removed and the template parameter
IsConst which specifies whether the iterator is constant is added to
DenseMapIterator.

Actually IsConst parameter is not necessary since the constness can be
determined from KeyT but this is not relevant to the fix and can be addressed
later.

Patch by Victor Zverovich!

llvm-svn: 86636
 2009-11-10 01:02:17 +00:00
Anton Korobeynikov
552b831b91 Add and-not (bic) patterns. Based heavily on patch by Brian Lucas! 
llvm-svn: 86471
 2009-11-08 15:33:12 +00:00
Anton Korobeynikov
ff23fbb6c0 Move OR patterns upper to all logical stuff. No functionality change. 
llvm-svn: 86470
 2009-11-08 15:32:44 +00:00
Anton Korobeynikov
79aadcfa1a Some nice peephole patterns. Based on patch by Brian Lucas! 
llvm-svn: 86469
 2009-11-08 15:32:28 +00:00
Anton Korobeynikov
aaf4cc8e92 Print tab before operand of jcc 
llvm-svn: 86468
 2009-11-08 15:32:11 +00:00
Anton Korobeynikov
6f4ee0efe1 Fix invalid operand updates & implement post-inc memory operands 
llvm-svn: 86466
 2009-11-08 14:27:38 +00:00
Chris Lattner
25421b6954 indicate what the native integer types for the target are. 
Please verify.

llvm-svn: 86397
 2009-11-07 19:07:32 +00:00
Anton Korobeynikov
123d792160 First try of the post-inc operands handling... Not fully worked, though :( 
llvm-svn: 86386
 2009-11-07 17:15:25 +00:00
Anton Korobeynikov
9dc741f523 Add some dummy support for post-incremented loads 
llvm-svn: 86385
 2009-11-07 17:15:06 +00:00
Anton Korobeynikov
0a13189111 Add 8 bit libcalls and make use of them for msp430 
llvm-svn: 86384
 2009-11-07 17:14:39 +00:00
Anton Korobeynikov
c377bd8b38 Add few pseudo-source-values 
llvm-svn: 86383
 2009-11-07 17:13:57 +00:00
Anton Korobeynikov
da044db0f5 Initial support for addrmode handling. Tests by Brian Lucas! 
llvm-svn: 86382
 2009-11-07 17:13:35 +00:00
Anton Korobeynikov
f72c6516bd Some preliminary variable asmprinting 
llvm-svn: 86381
 2009-11-07 17:12:58 +00:00
Anton Korobeynikov
8e023bc698 Use '.L' for global private prefix (as mspgcc) 
llvm-svn: 86380
 2009-11-07 17:12:38 +00:00
Anton Korobeynikov
ccffbb6ef7 Drop old asmprinter stuff 
llvm-svn: 86379
 2009-11-07 17:12:21 +00:00
Dan Gohman
ada358e6a2 Factor out the printing of the leading tab into printInlineAsm. 
llvm-svn: 86199
 2009-11-06 00:04:54 +00:00
Dan Gohman
eec0f1c506 Remove uninteresting and confusing debug output. 
llvm-svn: 86149
 2009-11-05 18:47:09 +00:00
Jakob Stoklund Olesen
f775e222e0 Print out an informative comment for KILL instructions. 
The KILL pseudo-instruction may survive to the asm printer pass, just like the IMPLICIT_DEF. Print the KILL as a comment instead of just leaving a blank line in the output.

With -asm-verbose=0, a blank line is printed, like IMPLICIT?DEF.

llvm-svn: 86041
 2009-11-04 19:24:37 +00:00
Dan Gohman
3393a4c997 Rename usesCustomDAGSchedInserter to usesCustomInserter, and update a 
bunch of associated comments, because it doesn't have anything to do
with DAGs or scheduling. This is another step in decoupling MachineInstr
emitting from scheduling.

llvm-svn: 85517
 2009-10-29 18:10:34 +00:00
Ted Kremenek
acb9fe806e Update CMake files. 
llvm-svn: 85161
 2009-10-26 22:06:01 +00:00
Nick Lewycky
2b8400628d Remove includes of Support/Compiler.h that are no longer needed after the 
VISIBILITY_HIDDEN removal.

llvm-svn: 85043
 2009-10-25 06:57:41 +00:00
Nick Lewycky
711c726c97 Remove VISIBILITY_HIDDEN from class/struct found inside anonymous namespaces. 
Chris claims we should never have visibility_hidden inside any .cpp file but
that's still not true even after this commit.

llvm-svn: 85042
 2009-10-25 06:33:48 +00:00
Benjamin Kramer
b159c164d2 Shift art to the right to keep GCC from complaining about multi-line comments. 
llvm-svn: 84849
 2009-10-22 09:28:49 +00:00
Anton Korobeynikov
bbc637e96d Use special DAG-to-DAG preprocessing to allow mem-mem instructions to be selected. 
Yay for ASCII graphics!

llvm-svn: 84808
 2009-10-22 00:16:00 +00:00
Anton Korobeynikov
23ea13afbb Add DAG printing for RMW stuff debugging 
llvm-svn: 84776
 2009-10-21 19:18:28 +00:00
Anton Korobeynikov
d233af8049 RMW preprocessing stuff was incorrect. Grab the stuff from x86 backend and disable some tests until it will be clever enough to handle them. 
llvm-svn: 84775
 2009-10-21 19:17:55 +00:00