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Author SHA1 Message Date
Chris Lattner
7a7ac287db some baby steps. 
llvm-svn: 73848
 2009-06-21 07:19:10 +00:00
Chris Lattner
8646a745ca prune #include, fix warning. 
llvm-svn: 73847
 2009-06-21 05:33:06 +00:00
Chris Lattner
c94208cf9c start wiring up support for asm parsing. 
llvm-svn: 73846
 2009-06-21 05:22:37 +00:00
Chris Lattner
c865ea76a6 move include searching logic from TGLexer to SourceMgr. 
llvm-svn: 73845
 2009-06-21 05:06:04 +00:00
Chris Lattner
5b9a2d79c0 Rename TGSourceMgr -> SourceMgr. 
llvm-svn: 73844
 2009-06-21 03:41:50 +00:00
Chris Lattner
4ff2620742 rename TGLoc -> SMLoc. 
llvm-svn: 73843
 2009-06-21 03:39:35 +00:00
Chris Lattner
4ed87b8790 move TGSourceMgr class out of TableGen into libsupport. 
llvm-svn: 73842
 2009-06-21 03:36:54 +00:00
Chris Lattner
06e180b758 simplify closing paren and (rip) printing. 
llvm-svn: 73841
 2009-06-21 02:22:53 +00:00
Chris Lattner
e358de060d indentation fix 
llvm-svn: 73840
 2009-06-21 02:22:34 +00:00
Nick Lewycky
4020821885 Expand this test to handle more cases (remainder and shifts) of zero. 
llvm-svn: 73839
 2009-06-21 01:56:41 +00:00
Chris Lattner
a01650186d fit in 80 cols 
llvm-svn: 73838
 2009-06-21 01:52:00 +00:00
Chris Lattner
481746a193 remove #if 0 code 
llvm-svn: 73837
 2009-06-21 01:48:49 +00:00
Chris Lattner
5ef06d833d cosmetic changes. 
llvm-svn: 73836
 2009-06-21 01:27:55 +00:00
Chris Lattner
affcc71da2 implement PR4424: 0/x is always 0 for integer division. 
llvm-svn: 73835
 2009-06-21 01:15:55 +00:00
Chris Lattner
580eecebbd 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.

llvm-svn: 73834
 2009-06-20 20:38:48 +00:00
Chris Lattner
965cc0e45b no need for unwind info 
llvm-svn: 73832
 2009-06-20 19:48:26 +00:00
Chris Lattner
33d1976328 no need for unwind info here. 
llvm-svn: 73831
 2009-06-20 19:43:09 +00:00
Chris Lattner
f1510099c3 remove dead code, the main codepath never has to deal 
with MBB's.

llvm-svn: 73830
 2009-06-20 19:34:47 +00:00
Chris Lattner
12ba79a2b7 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.

llvm-svn: 73829
 2009-06-20 19:34:09 +00:00
Duncan Sands
02f2e932e3 Clarify that if the alignment is zero then an alignment 
compatible with the type will be used (at least the ABI
alignment).

llvm-svn: 73827
 2009-06-20 13:26:06 +00:00
Chris Lattner
b0324ab35a fix edit-o 
llvm-svn: 73824
 2009-06-20 08:13:12 +00:00
Chris Lattner
3ffae2f77e some comments and cleanup 
llvm-svn: 73818
 2009-06-20 07:59:10 +00:00
Chris Lattner
7b43ca847d 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.

llvm-svn: 73817
 2009-06-20 07:03:18 +00:00
Evan Cheng
b45918e5bb Fix PR4419: handle defs of partial uses. 
llvm-svn: 73816
 2009-06-20 04:34:51 +00:00
Devang Patel
a011b501a0 Remove unused field. 
llvm-svn: 73815
 2009-06-20 01:07:54 +00:00
Devang Patel
7003004d00 Initialize MMI 
llvm-svn: 73813
 2009-06-20 01:00:07 +00:00
Chris Lattner
18485eef13 hook up printMemReference. 
llvm-svn: 73811
 2009-06-20 00:50:32 +00:00
Chris Lattner
19fc691c16 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.

llvm-svn: 73810
 2009-06-20 00:49:26 +00:00
Chris Lattner
fba2cdee3d make immediates be int64_t like machineoperand. Add some apis 
llvm-svn: 73809
 2009-06-20 00:47:37 +00:00
Dan Gohman
b60dedbf0a Tweak this test to be a little less unusual. 
llvm-svn: 73808
 2009-06-20 00:40:56 +00:00
Dan Gohman
29100270c0 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.

llvm-svn: 73807
 2009-06-20 00:35:32 +00:00
Owen Anderson
c1a4bbe1c8 Workaround for an... interesting bug in Darwin's pthread_rwlock_init. 
llvm-svn: 73806
 2009-06-20 00:32:27 +00:00
Dan Gohman
074c629d46 Use ScalarEvolution's new GetMinSignBits and GetMinLeadingZeros 
in the loop backedge-taken count computation of the maximum
possible trip count.

llvm-svn: 73805
 2009-06-20 00:32:22 +00:00
Owen Anderson
b66d0add26 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.

llvm-svn: 73803
 2009-06-20 00:27:21 +00:00
Owen Anderson
56b666e12a Forgot this file. 
llvm-svn: 73802
 2009-06-20 00:26:26 +00:00
Owen Anderson
733fa621f6 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.

llvm-svn: 73801
 2009-06-20 00:24:58 +00:00
Chris Lattner
2e95d43f24 stub out some hacky code for wiring up the new asmprinter interfaces 
on X86.  Not useful yet.

llvm-svn: 73799
 2009-06-19 23:59:57 +00:00
Chris Lattner
aa5577283c allow clients of the asmprinter to opt-out of the boilerplate with a #define. 
llvm-svn: 73798
 2009-06-19 23:57:53 +00:00
Dan Gohman
a81541945b Fix a typo in a comment that Frits von Bommel noticed. 
llvm-svn: 73796
 2009-06-19 23:41:37 +00:00
Dan Gohman
d3c3963eea 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.

llvm-svn: 73794
 2009-06-19 23:29:04 +00:00
Dan Gohman
651faa1905 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.

llvm-svn: 73793
 2009-06-19 23:23:27 +00:00
Devang Patel
e8b5c14209 DwarfWriter is used to emit EH info also. 
llvm-svn: 73792
 2009-06-19 23:21:20 +00:00
Evan Cheng
f18de63563 Enable arm pre-allocation load / store multiple optimization pass. 
llvm-svn: 73791
 2009-06-19 23:17:27 +00:00
Owen Anderson
295610c408 Fix a serious bug that would cause deadlock during abstract type refinement. The constant creation 
gets involved, and we end up trying to recursively acquire a writer lock.  The fix for this is slightly horrible,
and involves passing a boolean "locked" parameter around in Constants.cpp, but it's better than having locked and
unlocked versions of most of the code.

llvm-svn: 73790
 2009-06-19 23:16:19 +00:00
Dan Gohman
9bd151655f Fix LSR's OptimizeSMax to ignore max operators with more than 2 operands, 
which it isn't prepared to handle.

llvm-svn: 73787
 2009-06-19 23:03:46 +00:00
Devang Patel
e2b1c9a530 mv CodeGen/DebugLoc.h Support/DebugLoc.h 
llvm-svn: 73786
 2009-06-19 22:08:58 +00:00
Devang Patel
35810cd07b Move up dwarf writer initialization in common AsmPrinter class. 
llvm-svn: 73784
 2009-06-19 21:54:26 +00:00
Evan Cheng
b90241ac42 Revert 73718. It's breaking 254.gap. 
llvm-svn: 73783
 2009-06-19 21:15:06 +00:00
Anton Korobeynikov
ff313dba2f Unbreak cyclic deps 
llvm-svn: 73781
 2009-06-19 19:36:55 +00:00
Owen Anderson
47968a6dec Fix bad paste-o in the MSVC atomics. 
Patch by Иван Сорокин.

llvm-svn: 73779
 2009-06-19 18:37:50 +00:00