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Author SHA1 Message Date
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
Owen Anderson
7f70078b63 Forgot to remove some explicit locking when it became implicit in the ValueMap. 
llvm-svn: 73778
 2009-06-19 18:34:09 +00:00
Owen Anderson
64a3af667e Fences are expensive. Avoid doing them when we're not in multithreaded mode. 
llvm-svn: 73777
 2009-06-19 17:50:11 +00:00
Dan Gohman
c71421c97e Make ScalarEvolution::print print getSCEVAtScope values for 
expressions, when interesting.

llvm-svn: 73776
 2009-06-19 17:49:54 +00:00
Owen Anderson
12e12ed0d4 Move the memory fences out of the path for single-threaded mode. 
llvm-svn: 73775
 2009-06-19 17:45:12 +00:00
Dan Gohman
d920fdb643 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.

llvm-svn: 73774
 2009-06-19 17:33:15 +00:00
Owen Anderson
c17c15cb23 Fix incorrect comment pointed out by Duncan. 
llvm-svn: 73773
 2009-06-19 17:20:50 +00:00
Bob Wilson
3d9e4468a2 Clean up nightly tester to use Perl's File::Find. 
Patch by Benjamin Kramer.

llvm-svn: 73772
 2009-06-19 17:19:38 +00:00
Owen Anderson
c0ba371831 Fix a major typo. 
Nicolas, this is probably the cause of the failures you were seeing.

llvm-svn: 73770
 2009-06-19 17:08:20 +00:00
Chris Lattner
8f6f044afd 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.

llvm-svn: 73768
 2009-06-19 16:27:56 +00:00
Chris Lattner
91740476a3 fix the sparc codegen to not depend on the sparc asmprinter. 
llvm-svn: 73767
 2009-06-19 15:48:10 +00:00
Duncan Sands
30dcb8401d Add support for AuroraUX. Patch by evocallaghan. 
llvm-svn: 73766
 2009-06-19 14:40:01 +00:00
Duncan Sands
229706d87f 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.

llvm-svn: 73765
 2009-06-19 12:40:30 +00:00
Evan Cheng
706927c96a Add comments. 
llvm-svn: 73761
 2009-06-19 07:06:07 +00:00
Eli Friedman
5cccb60bad Fix for PR2484: add an SSE1 pattern for a shuffle we normally prefer to 
handle with an SSE2 instruction.

llvm-svn: 73760
 2009-06-19 07:00:55 +00:00
Evan Cheng
8f613095de Should be using Bcc (average) latency to determine if-conversion threshold, not BL. 
llvm-svn: 73759
 2009-06-19 06:56:26 +00:00
Eli Friedman
eb83635a7e Minor cleanup; fixes review comments for a previous patch. Sorry for 
taking so long to get to this!

llvm-svn: 73757
 2009-06-19 06:01:55 +00:00
Nick Lewycky
a5f89b09c6 Teach jump threading to look at comparisons between phi nodes and non-constants. 
llvm-svn: 73755
 2009-06-19 04:56:29 +00:00
Eli Friedman
b2688e9b73 Misc tweaks to Intel asm printing to make it more compatible with MASM. 
Patch by Benedict Gaster.

llvm-svn: 73753
 2009-06-19 04:48:38 +00:00