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Author SHA1 Message Date
Bill Wendling 4a8fc8f271 Revert r169656. 
The linker will call `lto_codegen_add_must_preserve_symbol' on all globals that
should be kept around. The linker will pretend that a dylib is being created.
<rdar://problem/12528059>

llvm-svn: 169770
 2012-12-10 21:33:45 +00:00
Bill Wendling 65a6ee11dd Add the `lto_codegen_set_export_dynamic' function. 
This function sets the `_exportDynamic' ivar. When that's set, we export all
symbols (e.g. we don't run the internalize pass). This is equivalent to the
`--export-dynamic' linker flag in GNU land:

--export-dynamic
  When creating a dynamically linked executable, add all symbols to the dynamic
  symbol table. The dynamic symbol table is the set of symbols which are visible
  from dynamic objects at run time. If you do not use this option, the dynamic
  symbol table will normally contain only those symbols which are referenced by
  some dynamic object mentioned in the link. If you use dlopen to load a dynamic
  object which needs to refer back to the symbols defined by the program, rather
  than some other dynamic object, then you will probably need to use this option
  when linking the program itself.

The Darwin linker will support this via the `-export_dynamic' flag. We should
modify clang to support this via the `-rdynamic' flag.

llvm-svn: 169656
 2012-12-08 00:18:16 +00:00
Chandler Carruth 4d88a1c233 Sort the #include lines for tools/... 
Again, tools are trickier to pick the main module header for than
library source files. I've started to follow the pattern of using
LLVMContext.h when it is included as a stub for program source files.

llvm-svn: 169252
 2012-12-04 10:44:52 +00:00
Rafael Espindola 0ecb8faa7c Remove lto_codegen_set_whole_program_optimization. It is a work in progress, 
so we don't want it to show up in the stable 3.1 interface.

While at it, add a comment about why LTOCodeGenerator manually creates the
internalize pass.

llvm-svn: 154807
 2012-04-16 10:58:38 +00:00
Bill Wendling deffc42d63 s/lto_codegen_whole_program_optimization/lto_codegen_set_whole_program_optimization/ 
llvm-svn: 154312
 2012-04-09 08:32:21 +00:00
Bill Wendling 8a49d049e1 Add a hook to turn on the internalize pass through the LTO interface. 
llvm-svn: 154306
 2012-04-09 05:26:48 +00:00
Bill Wendling 152e4739a2 Cleanup whitespace and remove unneeded 'extern' keyword on function definitions. 
llvm-svn: 153802
 2012-03-31 10:44:20 +00:00
Bill Wendling 36cbf03b9b Cleanup whitespace. Doxygenize comments. And indent to llvm coding standards. 
llvm-svn: 153740
 2012-03-30 10:29:38 +00:00
Chris Lattner 0ab5e2cded Fix a ton of comment typos found by codespell. Patch by 
Luis Felipe Strano Moraes!

llvm-svn: 129558
 2011-04-15 05:18:47 +00:00
Rafael Espindola 26b57ffa27 Add a lto_codegen_compile_to_file to avoid producing a file, reading it to 
memory and writing it back to disk.

llvm-svn: 128108
 2011-03-22 20:57:13 +00:00
Rafael Espindola b39c7c7b17 Add support in the LTO library for loading an object from the middle 
of an file.

llvm-svn: 127781
 2011-03-17 00:36:11 +00:00
Rafael Espindola fac373cacb Switch LTO to use MC. This takes the linking of libxul.so from about 7m to 
6m30.

llvm-svn: 126426
 2011-02-24 21:04:06 +00:00
Rafael Espindola 56e41f7f0b Don't open the file again in the gold plugin. To be able to do this, update 
MemoryBuffer::getOpenFile to not close the file descriptor.

llvm-svn: 125128
 2011-02-08 22:40:47 +00:00
Devang Patel 39bd6cebcd Do not include DataTypes.h in llvm-c/lto.h. 
This means avoid using uint32_t. This patch reverts r112200 and fixes original  problem by fixing argument type in lto.cpp.

llvm-svn: 123038
 2011-01-07 22:26:25 +00:00
Devang Patel 7b888fbd91 Fix prototypes. 
llvm-svn: 112200
 2010-08-26 17:47:45 +00:00
Rafael Espindola ccab1dddd1 Make it possible to set the cpu used for codegen. 
llvm-svn: 110759
 2010-08-11 00:15:13 +00:00
Rafael Espindola 0045646633 Make it possible to set the flags passed to the assembler. 
Nick, please review.

llvm-svn: 110705
 2010-08-10 18:55:09 +00:00
Rafael Espindola 4ef89f5200 Make it possible to set the target triple and expose that with an option in the 
gold plugin.

llvm-svn: 110604
 2010-08-09 21:09:46 +00:00
Nick Lewycky 129bb4165f Remove the GCC path from libLTO. This has been superceded by setAssemblerPath. 
llvm-svn: 77960
 2009-08-03 07:16:42 +00:00
Duncan Sands 31554aba47 Add newline at end of file. 
llvm-svn: 74774
 2009-07-03 15:38:01 +00:00
Owen Anderson 0ff993839c Maintain the old LTO API, by using the global context. 
llvm-svn: 74678
 2009-07-02 00:31:14 +00:00
Owen Anderson 1cf085d558 Hold the LLVMContext by reference rather than by pointer. 
llvm-svn: 74640
 2009-07-01 21:22:36 +00:00
Owen Anderson 6773d388aa Add a pointer to the owning LLVMContext to Module. This requires threading LLVMContext through a lot 
of the bitcode reader and ASM parser APIs, as well as supporting it in all of the tools.

Patches for Clang and LLVM-GCC to follow.

llvm-svn: 74614
 2009-07-01 16:58:40 +00:00
Evan Cheng d6460965a5 Indentation. 
llvm-svn: 74281
 2009-06-26 06:57:16 +00:00
Nick Kledzik cac8c8a9b3 <rdar://problem/6940611> libLTO.dylib needs to let linker specify path to assembler 
Add lto_codegen_set_assembler_path() API which allows the linker to specify the
path to the assembler tool to run.  When assembler is used (instead of compiler)
different command line options are used.
Add LTO_API_VERSION #define so clients (linkers) can conditionalize use of new APIs.

llvm-svn: 72823
 2009-06-04 00:28:45 +00:00
Nick Lewycky a303097de0 Allow a user of libLTO to specify the full pathname of the gcc executable to 
run when assembling.

Wire this up to the gold plugin. You can now pass --plugin-opt gcc=/foo/bar/gcc
and it will run that gcc instead of looking for it on the path.

llvm-svn: 70490
 2009-04-30 15:24:09 +00:00
Nick Kledzik c232347cb8 fix dangling pointer and argv off by one errors. Add support for --disable-inlining 
llvm-svn: 53249
 2008-07-08 21:14:10 +00:00
Devang Patel a0e4fb8283 Provide a hook to set the code generation debug options to investigate lto failures. 
llvm-svn: 53119
 2008-07-03 22:53:14 +00:00
Devang Patel 4be1c150e4 Rename new lto2 tool as lto. 
lto2->lto

llvm-svn: 52912
 2008-06-30 18:15:01 +00:00
Devang Patel a1e5413983 Remove old LTO interface. 
llvm-svn: 52909
 2008-06-30 18:04:55 +00:00
Dale Johannesen 829dab0221 Add CommonLinkage to lto (treated same as weak AFAICT) 
and llvm-nm (prints as C).

llvm-svn: 51209
 2008-05-16 22:44:18 +00:00
Owen Anderson 7432cbd048 Move MemCpyOpt after GVN. 
llvm-svn: 50097
 2008-04-22 07:12:26 +00:00
Owen Anderson a5030c3017 Add MemCpyOpt to LTO. 
llvm-svn: 50081
 2008-04-22 03:57:36 +00:00
Owen Anderson 2988ccad6a Use GVN in LTO instead of GCSE+LoadVN. 
llvm-svn: 50036
 2008-04-21 07:51:07 +00:00
Dale Johannesen 491557712a Make EH work with unnamed functions. Reenable running 
StripSymbols when EH is on.

llvm-svn: 49110
 2008-04-02 20:10:52 +00:00
Devang Patel eef348687e Begin setting features for target based on target triple string. 
llvm-svn: 46863
 2008-02-07 22:32:50 +00:00
Devang Patel 623df7620d Do not set time out, lets assume assembler will do its job in reasonable amount of time. 
llvm-svn: 46718
 2008-02-04 21:16:10 +00:00
Devang Patel 1a06334403 Do not strip symbols when EH is ON. 
llvm-svn: 46657
 2008-02-02 01:32:38 +00:00
Devang Patel 540d03bda9 Supply appropriate arch info to darwin assembler. 
llvm-svn: 46567
 2008-01-30 19:19:31 +00:00
Devang Patel b432c9e866 Enable exception handling if it is supported. 
llvm-svn: 46560
 2008-01-30 17:43:03 +00:00
Devang Patel 41f375a45c - Introduces versioning macro LLVM_LTO_VERSION 
- Communicate symbol visibility
- Communicate code generation model

llvm-svn: 46033
 2008-01-15 23:52:34 +00:00
Chris Lattner 345353d6b4 remove attributions from tools. 
llvm-svn: 45421
 2007-12-29 20:44:31 +00:00
Devang Patel c006744c38 Revert my previous check-in. 
llvm-svn: 45249
 2007-12-20 01:46:01 +00:00
Devang Patel 6d279d484a Add lto version check mechanism. 
llvm-svn: 45238
 2007-12-20 00:24:01 +00:00
Gordon Henriksen ef5d08f4ea Switching TargetMachineRegistry to use the new generic Registry. 
llvm-svn: 43094
 2007-10-17 21:28:48 +00:00
Reid Spencer c49a5b9952 Fix a sys::Path API error caught by a gcc 4.2 warning. 
llvm-svn: 39995
 2007-07-18 05:27:33 +00:00
Gabor Greif e16561cd5d Here is the bulk of the sanitizing. 
Almost all occurrences of "bytecode" in the sources have been eliminated.

llvm-svn: 37913
 2007-07-05 17:07:56 +00:00
Chris Lattner f5599efb00 switch tools to bitcode from bytecode 
llvm-svn: 36872
 2007-05-06 09:32:02 +00:00
Chris Lattner 6147489a09 bitcodify 
llvm-svn: 36838
 2007-05-06 04:49:55 +00:00
Devang Patel 69730c96db Now LICM is a LoopPass. 
llvm-svn: 35001
 2007-03-07 04:41:30 +00:00