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Author SHA1 Message Date
Chris Lattner
27aa7d259b stub out parser for asm files. Change invariant on lexer to always 
print its error message when it returns an asmtok::Error token.
Compute a proper error code for llvm-mc in 'lex' mode.  Add new
-as-lex option to enable lexing mode (vs parsing mode).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73859 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-21 20:16:42 +00:00
Chris Lattner
10a907d70f add string literals. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73858 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-21 19:56:35 +00:00
Chris Lattner
4506bd2cfd hopefully fix the build on linux. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73857 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-21 19:43:50 +00:00
Chris Lattner
4226bb02fb simplify some error recovery stuff. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73856 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-21 19:22:49 +00:00
Chris Lattner
4651bca31b implement enough of a lexer to get through Olden/health/Output/health.llc.s 
without errors.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73855 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-21 19:21:25 +00:00
Rafael Espindola
1c3329f707 Fix PR4185. 
Handle FpSET_ST0_80 being used when ST0 is still alive.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73850 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-21 12:02:51 +00:00
Chris Lattner
4577bbaa12 oh yeah, cmake needs to be told explicitly about new files :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73849 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-21 07:19:34 +00:00
Chris Lattner
a59e877996 some baby steps. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73848 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-21 07:19:10 +00:00
Chris Lattner
d926e048c1 prune #include, fix warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73847 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-21 05:33:06 +00:00
Chris Lattner
b23677e076 start wiring up support for asm parsing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73846 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-21 05:22:37 +00:00
Chris Lattner
7ee5d5f97b move include searching logic from TGLexer to SourceMgr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73845 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-21 05:06:04 +00:00
Chris Lattner
8070ea3f06 Rename TGSourceMgr -> SourceMgr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73844 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-21 03:41:50 +00:00
Chris Lattner
1e3a8a4924 rename TGLoc -> SMLoc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73843 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-21 03:39:35 +00:00
Chris Lattner
099e198ae8 move TGSourceMgr class out of TableGen into libsupport. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73842 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-21 03:36:54 +00:00
Chris Lattner
e372333597 simplify closing paren and (rip) printing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73841 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-21 02:22:53 +00:00
Chris Lattner
4150c086d0 indentation fix 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73840 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-21 02:22:34 +00:00
Nick Lewycky
e47f59db44 Expand this test to handle more cases (remainder and shifts) of zero. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73839 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-21 01:56:41 +00:00
Chris Lattner
5b038b793c fit in 80 cols 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73838 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-21 01:52:00 +00:00
Chris Lattner
2f429e5eb6 remove #if 0 code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73837 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-21 01:48:49 +00:00
Chris Lattner
aecaa1f143 cosmetic changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73836 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-21 01:27:55 +00:00
Chris Lattner
1db6866147 implement PR4424: 0/x is always 0 for integer division. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73835 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-21 01:15:55 +00:00
Chris Lattner
5c0b16d0c4 change TLS_ADDR lowering to lower to a real mem operand, instead of matching as 
a global with that gets printed with the :mem modifier.  All operands to lea's 
should be handled with the lea32mem operand kind, and this allows the TLS stuff
to do this.  There are several better ways to do this, but I went for the minimal
change since I can't really test this (beyond make check).

This also makes the use of EBX explicit in the operand list in the 32-bit, 
instead of implicit in the instruction.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73834 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-20 20:38:48 +00:00
Chris Lattner
6bfb669f82 no need for unwind info 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73832 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-20 19:48:26 +00:00
Chris Lattner
811ac0b088 no need for unwind info here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73831 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-20 19:43:09 +00:00
Chris Lattner
8cb65a5092 remove dead code, the main codepath never has to deal 
with MBB's.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73830 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-20 19:34:47 +00:00
Chris Lattner
7680e73341 eliminate the "call" operand modifier from the asm descriptions, modeling 
it as a pcrel immediate instead.  This gets pc-rel weirdness out of the
main printoperand codepath.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73829 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-20 19:34:09 +00:00
Duncan Sands
434ca80b31 Clarify that if the alignment is zero then an alignment 
compatible with the type will be used (at least the ABI
alignment).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73827 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-20 13:26:06 +00:00
Chris Lattner
7f8217f64b fix edit-o 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73824 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-20 08:13:12 +00:00
Chris Lattner
dc479f6ebf some comments and cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73818 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-20 07:59:10 +00:00
Chris Lattner
c12430644a implement support for lowering subregs when preparing to print 
LEA64_32r, eliminating a bunch of modifier logic stuff on addr modes.

Implement support for printing mbb labels as operands.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73817 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-20 07:03:18 +00:00
Evan Cheng
694f6c81e8 Fix PR4419: handle defs of partial uses. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73816 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-20 04:34:51 +00:00
Devang Patel
e9fe6c7729 Remove unused field. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73815 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-20 01:07:54 +00:00
Devang Patel
66b4d3ba52 Initialize MMI 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73813 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-20 01:00:07 +00:00
Chris Lattner
ad48be0ea3 hook up printMemReference. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73811 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-20 00:50:32 +00:00
Chris Lattner
f38c03af2a Start implementing translation of MachineInstr to MCInst. Next 
step is to make tblgen generate something more appropriate for MCInst,
and generate calls to operand translation routines where needed.
This includes a bunch of #if 0 code which will slowly be refactored into
something sensible.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73810 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-20 00:49:26 +00:00
Chris Lattner
bb5d44d7c4 make immediates be int64_t like machineoperand. Add some apis 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73809 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-20 00:47:37 +00:00
Dan Gohman
97b52b2a88 Tweak this test to be a little less unusual. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73808 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-20 00:40:56 +00:00
Dan Gohman
763bad1a2b Generalize isLoopGuardedByCond's checking to consider two 
SCEVUnknowns with identical Instructions to be equal. This allows
it to analze cases such as the attached testcase, where the front-end
has cloned the loop controlling expression. Along with r73805, this
lets IndVarSimplify eliminate all the sign-extend casts in the
loop in the attached testcase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73807 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-20 00:35:32 +00:00
Owen Anderson
107a537db1 Workaround for an... interesting bug in Darwin's pthread_rwlock_init. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73806 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-20 00:32:27 +00:00
Dan Gohman
3964acc2f4 Use ScalarEvolution's new GetMinSignBits and GetMinLeadingZeros 
in the loop backedge-taken count computation of the maximum
possible trip count.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73805 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-20 00:32:22 +00:00
Owen Anderson
cc40f077b0 Add debugging code to test for various locking faux-pas's, when running in single threaded mode. This should help improve testing coverage for 
threading support, without having extensive actually concurrent clients yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73803 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-20 00:27:21 +00:00
Owen Anderson
ac7087ecf0 Forgot this file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73802 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-20 00:26:26 +00:00
Owen Anderson
04fb7c36a9 Revert r73790, and replace it with a significantly less ugly solution. Rather than trying to make the global reader-writer lock work, 
create separate recursive mutexes for each value map.  The recursive-ness fixes the double-acquiring issue, which having one per ValueMap
lets us continue to maintain some concurrency.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73801 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-20 00:24:58 +00:00
Chris Lattner
d5fb790613 stub out some hacky code for wiring up the new asmprinter interfaces 
on X86.  Not useful yet.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73799 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 23:59:57 +00:00
Chris Lattner
5b842c3690 allow clients of the asmprinter to opt-out of the boilerplate with a #define. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73798 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 23:57:53 +00:00
Dan Gohman
224a19c490 Fix a typo in a comment that Frits von Bommel noticed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73796 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 23:41:37 +00:00
Dan Gohman
2c364ad4a6 Make GetMinTrailingZeros a member function of ScalarEvolution, 
so that it can access the TargetData member (when available) and
use ValueTracking.h information to compute information for
SCEVUnknown Values.

Also add GetMinLeadingZeros and GetMinSignBits functions,
with minimal implementations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73794 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 23:29:04 +00:00
Dan Gohman
2781f30eac Re-apply r73718, now that the fix in r73787 is in, and add a 
hand-crafted testcase which demonstrates the bug that was exposed
in 254.gap.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73793 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 23:23:27 +00:00
Devang Patel
5090f19f09 DwarfWriter is used to emit EH info also. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73792 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 23:21:20 +00:00
Evan Cheng
ae69a2a12b Enable arm pre-allocation load / store multiple optimization pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73791 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 23:17:27 +00:00