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31220 Commits

Author SHA1 Message Date
Chris Lattner
2c1a96d901 If ELF subtargets don't want to support 4/8/16-byte mergable sections, allow 
them to null out the default section pointers.

llvm-svn: 79078
 2009-08-15 06:08:34 +00:00
Chris Lattner
3665e2058e add support for target-specific ELF section flags, add a new MCSectionXCore 
class which represents the XCore cp/dp section flags.  No functionality
change yet.

llvm-svn: 79077
 2009-08-15 05:56:11 +00:00
Dan Gohman
fcb5e33aa1 Simplify a few more things, eliminating a few more dependencies on 
"the current basic block".

llvm-svn: 79069
 2009-08-15 02:07:36 +00:00
Dan Gohman
a68aa347d8 Simplify this code to not depend as much on CurMBB. 
llvm-svn: 79068
 2009-08-15 02:06:22 +00:00
Evan Cheng
cf13e0c732 Do not use frame register to reference fixed stack objects if the function is frameless. 
llvm-svn: 79067
 2009-08-15 02:05:35 +00:00
Dan Gohman
d0419623b1 Always check to see if raw_fd_ostream's file descriptor is attached to 
a terminal, not just when it's STDOUT_FILENO.

llvm-svn: 79066
 2009-08-15 02:05:19 +00:00
Dan Gohman
8aea7a0db0 Add support for column computation on unbuffered streams. 
llvm-svn: 79065
 2009-08-15 02:02:59 +00:00
Dan Gohman
4541bef274 Move FormattedStream's write_impl out of line. 
llvm-svn: 79064
 2009-08-15 02:01:04 +00:00
Dan Gohman
fe04559261 Remove an unnecessary #include. 
llvm-svn: 79063
 2009-08-15 01:56:38 +00:00
Chris Lattner
c807a76334 switch DominanceFrontier::splitBlock to use a smallvector for 
the pred list instead of a vector, saving a boat load of malloc/free's.

llvm-svn: 79062
 2009-08-15 01:39:28 +00:00
Dan Gohman
d69323d37a On x86-64, for a varargs function, don't store the xmm registers to 
the register save area if %al is 0. This avoids touching xmm
regsiters when they aren't actually used.

llvm-svn: 79061
 2009-08-15 01:38:56 +00:00
Devang Patel
b6add4ace3 Do not completely skip subrange info for a zero sized array. 
llvm-svn: 79044
 2009-08-14 20:59:16 +00:00
Evan Cheng
4e97ccc132 Leaf functions which do not save CSRs can be frameless even with -disable-fp-elim. 
llvm-svn: 79039
 2009-08-14 20:48:13 +00:00
Anton Korobeynikov
3a0cde8c91 Allow targets to specify their choice of calling conventions per 
libcall. Take advantage of this in the ARM backend to rectify broken
choice of CC when hard float is in effect. PIC16 may want to see if
it could be of use in MakePIC16Libcall, which works unchanged.

Patch by Sandeep!

llvm-svn: 79033
 2009-08-14 20:10:52 +00:00
Evan Cheng
67fd47b38b Add Thumb2 lsr hooks. 
llvm-svn: 79032
 2009-08-14 20:09:37 +00:00
Daniel Dunbar
3c9ab92a24 llvm-mc: Fix bugs where bytes were unintentionally being printed as signed. 
- We now print all of 403.gcc cleanly (llvm-mc -> 'as' as diffed to 'as'), minus two 
   'rep;movsl' instructions (which I missed before).

llvm-svn: 79031
 2009-08-14 19:59:24 +00:00
Oscar Fuentes
4acb0629da CMake: Corrected variable check. 
llvm-svn: 79030
 2009-08-14 19:56:04 +00:00
Bruno Cardoso Lopes
e298b64a93 *try* to use a better name to describe how common symbols are marked on the elf object file. 
llvm-svn: 79029
 2009-08-14 19:45:38 +00:00
Evan Cheng
ebbcd00c17 80 col violation. 
llvm-svn: 79026
 2009-08-14 19:11:20 +00:00
Daniel Dunbar
b9d9ce9513 llvm-mc: When handling a .set, make sure to print subsequent references to the 
symbol as the symbol name itself, not the expression it was defined to. These
have different semantics due to the quirky .set behavior (which absolutizes an
expression that would otherwise be treated as a relocation).

llvm-svn: 79025
 2009-08-14 19:10:46 +00:00
Anton Korobeynikov
a52d80928a Cleanup the mess in msp430 target registration and hopefully unbreak the build 
llvm-svn: 79024
 2009-08-14 19:06:50 +00:00
Evan Cheng
1fa8ad98aa Indentation. 
llvm-svn: 79022
 2009-08-14 19:01:37 +00:00
Daniel Dunbar
b00271e266 llvm-mc: zerofill shouldn't print quotes around the section,segment. 
llvm-svn: 79017
 2009-08-14 18:51:45 +00:00
Chris Lattner
be587b554b fix "pc" to be lower case in a target triple, patch by Yonggang Luo 
llvm-svn: 79016
 2009-08-14 18:48:13 +00:00
Anton Korobeynikov
094a764f5d Hopefully unbreak cmake builds 
llvm-svn: 79015
 2009-08-14 18:46:49 +00:00
Evan Cheng
7d8caa143b Also shrink immediate branches; also more assembler workarounds. 
llvm-svn: 79014
 2009-08-14 18:31:44 +00:00
Anton Korobeynikov
5787e69dfb Give MSP430 a separate asmprinter lib 
llvm-svn: 79012
 2009-08-14 18:28:12 +00:00
Anton Korobeynikov
933d8e1118 Properly handle indirect win64 args when they're passed in memory 
llvm-svn: 79009
 2009-08-14 18:19:10 +00:00
Owen Anderson
fc21fa21cf Get the CPP backend into some semblance of working by updating for numerous LLVMContext changes, 
as well as the StringRef change.

llvm-svn: 79006
 2009-08-14 17:41:33 +00:00
Bob Wilson
80db08baec Now that all the legal Neon shuffles (or at least the ones that have been 
implemented so far) are recognized during legalization, it is easy to fall
back to the default expansion for other shuffles.

llvm-svn: 78995
 2009-08-14 05:16:33 +00:00
Bob Wilson
d337cde6e5 Create a new ARM-specific DAG node, VDUP, to represent a splat from a 
scalar_to_vector.  Generate these VDUP nodes during legalization instead
of trying to recognize the pattern during selection.

llvm-svn: 78994
 2009-08-14 05:13:08 +00:00
Bob Wilson
7a311914ab During legalization, change Neon vdup_lane operations from shuffles to 
target-specific VDUPLANE nodes.  This allows the subreg handling for the
quad-register version to be done easily with Pats in the .td file, instead
of with custom code in ARMISelDAGToDAG.cpp.

llvm-svn: 78993
 2009-08-14 05:08:32 +00:00
Oscar Fuentes
ed9c7f2749 CMake: updated list of source files for library MC. 
llvm-svn: 78988
 2009-08-14 04:14:45 +00:00
Daniel Dunbar
dc5840c57c Update llvm-mc / MCAsmStreamer to print the instruction using the actual target 
specific printer (this only works on x86, for now).
 - This makes it possible to do some correctness checking of the parsing and
   matching, since we can compare the results of 'as' on the original input, to
   those of 'as' on the output from llvm-mc.

 - In theory, we could now have an easy ATT -> Intel syntax converter. :)

llvm-svn: 78986
 2009-08-14 03:48:55 +00:00
Daniel Dunbar
ca38bc510e Add virtual printMCInst method to AsmPrinter, as a quick way to expose the API 
to print one instruction.

llvm-svn: 78985
 2009-08-14 03:43:57 +00:00
Daniel Dunbar
b0adbe646d Add X86 instruction printer support for printing MCValue operands. 
llvm-svn: 78984
 2009-08-14 03:42:12 +00:00
Daniel Dunbar
259bc4b0e7 Add MCSymbol::{print, dump} 
llvm-svn: 78983
 2009-08-14 03:41:23 +00:00
Daniel Dunbar
127e3bc13f Add MCValue::{print, dump} 
llvm-svn: 78982
 2009-08-14 03:11:09 +00:00
Daniel Dunbar
da9a46b9de llvm-mc: Move MCAsmToken::getLoc() into MC library where it belongs. 
llvm-svn: 78980
 2009-08-14 02:18:40 +00:00
Evan Cheng
8a3ff4615e Indentation change. 
llvm-svn: 78978
 2009-08-14 01:56:37 +00:00
Evan Cheng
45d6a21e21 Shrink ADR and LDR from constantpool late during constantpool island pass. 
llvm-svn: 78970
 2009-08-14 00:32:16 +00:00
Evan Cheng
22969c64d0 New entry. 
llvm-svn: 78968
 2009-08-14 00:16:47 +00:00
Dan Gohman
b3aa090ddf Make TargetData optional in GlobalOpt and ArgumentPromotion. 
llvm-svn: 78967
 2009-08-14 00:11:03 +00:00
Dan Gohman
ba476a2945 Make these matching rules more strict so that they don't 
accidentally match unrelated things.

llvm-svn: 78966
 2009-08-14 00:10:19 +00:00
Erick Tryzelaar
f5b44db848 Expose LLVMContext to llvm-c. 
llvm-svn: 78964
 2009-08-14 00:01:31 +00:00
Dan Gohman
3497fde219 Fix MCSectionELF::ShouldOmitSectionDirective's matching of .data and 
friends so that it doesn't match sections like .data.rel.local, which
should not be emitted as section directives.

llvm-svn: 78963
 2009-08-13 23:56:34 +00:00
Daniel Dunbar
eab68eaec4 TargetRegistry: Change AsmPrinter constructor to be typed as returning an 
AsmPrinter instance (instead of just a FunctionPass)

llvm-svn: 78962
 2009-08-13 23:48:47 +00:00
Daniel Dunbar
d4c5293717 llvm-mc: Add dummy MCStreamer implementation, (eventually) for use in profiling. 
- Currently unused.

 - A few other random comment fixes lumped in.

llvm-svn: 78960
 2009-08-13 23:36:34 +00:00
Bruno Cardoso Lopes
98ffbd5041 Remove HasCrazyBSS and add a flag in TAI to indicate that '.section' 
must be emitted for PowerPC-Linux '.bss' section

llvm-svn: 78958
 2009-08-13 23:30:21 +00:00
Owen Anderson
dc11fe967d Actually privatize a IntegerTypes, and fix a few bugs exposed by this. 
llvm-svn: 78955
 2009-08-13 23:27:32 +00:00