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Author SHA1 Message Date
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
Chris Lattner
8ddc06469c Improve tail call elim to move loads above readonly calls 
when it allows forming a tail call.  Patch by Frits van
Bommel.  This implements PR4323.

llvm-svn: 73752
 2009-06-19 04:22:16 +00:00
Chris Lattner
3a683c551f part of PR4405: disable a contentious optimization for 
strcmp -> memcmp when the lengths of the strings are unknown.

Patch by Nick Lewycky!

llvm-svn: 73751
 2009-06-19 04:17:36 +00:00
Lang Hames
1bade5ff09 More VNInfo tweaking, plus a little progress on intra-block splitting. 
llvm-svn: 73750
 2009-06-19 02:17:53 +00:00
Evan Cheng
667924dc46 Transfer dead markers when a ldrd is changed into a ldm or a pair of ldr. 
llvm-svn: 73749
 2009-06-19 01:59:04 +00:00
Zhongxing Xu
d290ff9411 Include DataTypes.h for 'uint64_t'. 
llvm-svn: 73748
 2009-06-19 01:56:53 +00:00
Evan Cheng
f671ce4eba Latency information for ARM v6. It's rough and not yet hooked up. Right now we are only using branch latency to determine if-conversion limits. 
llvm-svn: 73747
 2009-06-19 01:51:50 +00:00
Eli Friedman
003abaa60d Mark a few Thumb instructions commutable; just happened to spot this 
while experimenting.  I'm reasonably sure this is correct, but please 
tell me if these instructions have some strange property which makes this
change unsafe.

llvm-svn: 73746
 2009-06-19 01:43:08 +00:00
Owen Anderson
5fa89d2f8d Fix weird class-size-being-different problems. At some level this is being caused by config.h not being 
included everywhere.

llvm-svn: 73745
 2009-06-19 00:48:22 +00:00
Chris Lattner
f077552a99 add a file I missed, this goes with r73743 
llvm-svn: 73744
 2009-06-19 00:47:59 +00:00
Chris Lattner
3624754e23 Add some scaffolding for a new experimental asmprinter 
implementation.  The idea is that we want asmprinting to
work by converting MachineInstrs into a new MCInst class,
then the per-instruction asmprinter works on MCInst.  MCInst
and the new asmprinters will not depend on most of the 
llvm code generators.  This allows building diassemblers
that don't link in the whole llvm code generator.  This is
step #1 of many.

llvm-svn: 73743
 2009-06-19 00:47:33 +00:00
Chris Lattner
c2b0fd0304 merge the common darwin settings from the X86/PPC/ARM targets 
into DarwinTargetAsmInfo.cpp.  The remaining differences should
be evaluated.  It seems strange that x86/arm has .zerofill but ppc
doesn't, etc.

llvm-svn: 73742
 2009-06-19 00:08:39 +00:00
Chris Lattner
aa193955e5 fix build problem pointed out by John Thompson! 
llvm-svn: 73739
 2009-06-18 23:46:04 +00:00
Chris Lattner
6cd267dcc5 move mangler quote handling from asm printers to TargetAsmInfo. 
llvm-svn: 73738
 2009-06-18 23:41:35 +00:00
Chris Lattner
fea7aa45b7 minor cleanup 
llvm-svn: 73737
 2009-06-18 23:33:13 +00:00
Chris Lattner
ea0ea2f4bc simplify macro debug info directive handling. 
llvm-svn: 73736
 2009-06-18 23:31:37 +00:00
Evan Cheng
7426d278ae Remove UseThumbBacktraces. Just check if subtarget is darwin. 
llvm-svn: 73734
 2009-06-18 23:14:30 +00:00