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Author SHA1 Message Date
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
Owen Anderson
430444b102 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73790 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 23:16:19 +00:00
Dan Gohman
4d1c1efd80 Fix LSR's OptimizeSMax to ignore max operators with more than 2 operands, 
which it isn't prepared to handle.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73787 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 23:03:46 +00:00
Devang Patel
1e86a66b00 mv CodeGen/DebugLoc.h Support/DebugLoc.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73786 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 22:08:58 +00:00
Devang Patel
14a55d952c Move up dwarf writer initialization in common AsmPrinter class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73784 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 21:54:26 +00:00
Evan Cheng
73a76736fb Revert 73718. It's breaking 254.gap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73783 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 21:15:06 +00:00
Anton Korobeynikov
e494b9e0d7 Unbreak cyclic deps 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73781 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 19:36:55 +00:00
Owen Anderson
b9c2f58229 Fix bad paste-o in the MSVC atomics. 
Patch by Иван Сорокин.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73779 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 18:37:50 +00:00
Owen Anderson
1f0ba8c57b Forgot to remove some explicit locking when it became implicit in the ValueMap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73778 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 18:34:09 +00:00
Owen Anderson
94fefe27f5 Fences are expensive. Avoid doing them when we're not in multithreaded mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73777 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 17:50:11 +00:00
Dan Gohman
0c689c5e05 Make ScalarEvolution::print print getSCEVAtScope values for 
expressions, when interesting.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73776 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 17:49:54 +00:00
Owen Anderson
8e1c17aa5a Move the memory fences out of the path for single-threaded mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73775 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 17:45:12 +00:00
Dan Gohman
958e292c7a Don't (unconditionally) use getSCEVAtScope to simplify the step 
expression in IVUsers, because in the case of a use of a non-linear
addrec outside of a loop, this causes the addrec to be evaluated as
a linear addrec.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73774 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 17:33:15 +00:00
Owen Anderson
ae60c0f78e Fix incorrect comment pointed out by Duncan. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73773 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 17:20:50 +00:00
Bob Wilson
6dc11b4df9 Clean up nightly tester to use Perl's File::Find. 
Patch by Benjamin Kramer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73772 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 17:19:38 +00:00
Owen Anderson
1b19a50cdb Fix a major typo. 
Nicolas, this is probably the cause of the failures you were seeing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73770 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 17:08:20 +00:00
Chris Lattner
79c740ff47 make jump threading handle lexically identical compare instructions 
as if they were multiple uses of the same instruction.  This interacts
well with the existing loadpre that j-t does to open up many new jump
threads earlier.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73768 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 16:27:56 +00:00
Chris Lattner
225503a5b5 fix the sparc codegen to not depend on the sparc asmprinter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73767 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 15:48:10 +00:00
Duncan Sands
852cd112ed Add support for AuroraUX. Patch by evocallaghan. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73766 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 14:40:01 +00:00
Duncan Sands
9ff4c13668 Since -Wno-long-long is ignored without -pedantic, 
place it with -pedantic.  Remove -Wunused since it
is implied by -Wall.  Group -Wno-unused-parameter
with -Wall -W since it is the combination of these
two that turns on -Wunused-parameter.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73765 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 12:40:30 +00:00
Evan Cheng
b1019480b6 Add comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73761 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 07:06:07 +00:00