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87 Commits

Author SHA1 Message Date
Bill Wendling 50f318384c 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>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169770 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-10 21:33:45 +00:00
Bill Wendling f62b9cd890 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169656 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-08 00:18:16 +00:00
Chandler Carruth f010c464a1 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169252 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-04 10:44:52 +00:00
Rafael Espindola 4d2e9d9a1c 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154807 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-16 10:58:38 +00:00
Bill Wendling a3706d6754 s/lto_codegen_whole_program_optimization/lto_codegen_set_whole_program_optimization/ 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154312 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-09 08:32:21 +00:00
Bill Wendling 3029a0c56a Add a hook to turn on the internalize pass through the LTO interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154306 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-09 05:26:48 +00:00
Bill Wendling 168f142834 Cleanup whitespace and remove unneeded 'extern' keyword on function definitions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153802 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-31 10:44:20 +00:00
Bill Wendling 8fd3fcdba8 Cleanup whitespace. Doxygenize comments. And indent to llvm coding standards. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153740 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-30 10:29:38 +00:00
Chris Lattner 7a2bdde0a0 Fix a ton of comment typos found by codespell. Patch by 
Luis Felipe Strano Moraes!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129558 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-15 05:18:47 +00:00
Rafael Espindola 6421a8815e Add a lto_codegen_compile_to_file to avoid producing a file, reading it to 
memory and writing it back to disk.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128108 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-22 20:57:13 +00:00
Rafael Espindola f21b1058a1 Add support in the LTO library for loading an object from the middle 
of an file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127781 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-17 00:36:11 +00:00
Rafael Espindola e9efea1194 Switch LTO to use MC. This takes the linking of libxul.so from about 7m to 
6m30.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126426 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 21:04:06 +00:00
Rafael Espindola b4cc031a3e 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125128 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-08 22:40:47 +00:00
Devang Patel 6a6623c596 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123038 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-07 22:26:25 +00:00
Devang Patel 767b5b6227 Fix prototypes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112200 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 17:47:45 +00:00
Rafael Espindola 2d643ef328 Make it possible to set the cpu used for codegen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110759 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-11 00:15:13 +00:00
Rafael Espindola 98197e55c1 Make it possible to set the flags passed to the assembler. 
Nick, please review.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110705 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 18:55:09 +00:00
Rafael Espindola cbb170d057 Make it possible to set the target triple and expose that with an option in the 
gold plugin.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110604 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-09 21:09:46 +00:00
Nick Lewycky 3e4c41a84a Remove the GCC path from libLTO. This has been superceded by setAssemblerPath. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77960 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-03 07:16:42 +00:00
Duncan Sands d44d4bf04b Add newline at end of file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74774 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-03 15:38:01 +00:00
Owen Anderson 0e7a54672c Maintain the old LTO API, by using the global context. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74678 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-02 00:31:14 +00:00
Owen Anderson 31895e7359 Hold the LLVMContext by reference rather than by pointer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74640 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-01 21:22:36 +00:00
Owen Anderson 8b477ed579 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74614 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-01 16:58:40 +00:00
Evan Cheng 855a168dbe Indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74281 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-26 06:57:16 +00:00
Nick Kledzik cbad586240 <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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72823 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-04 00:28:45 +00:00
Nick Lewycky 195bea3498 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70490 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-30 15:24:09 +00:00
Nick Kledzik 920ae9863b fix dangling pointer and argv off by one errors. Add support for --disable-inlining 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53249 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-08 21:14:10 +00:00
Devang Patel a93ae711a9 Provide a hook to set the code generation debug options to investigate lto failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53119 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-03 22:53:14 +00:00
Devang Patel ebd69421a2 Rename new lto2 tool as lto. 
lto2->lto


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52912 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 18:15:01 +00:00
Devang Patel 5eabc9d4f6 Remove old LTO interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52909 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 18:04:55 +00:00
Dale Johannesen 7d5633e907 Add CommonLinkage to lto (treated same as weak AFAICT) 
and llvm-nm (prints as C).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51209 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-16 22:44:18 +00:00
Owen Anderson d2368dc344 Move MemCpyOpt after GVN. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50097 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-22 07:12:26 +00:00
Owen Anderson ecbc963eda Add MemCpyOpt to LTO. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50081 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-22 03:57:36 +00:00
Owen Anderson eb60fb9c1f Use GVN in LTO instead of GCSE+LoadVN. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50036 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-21 07:51:07 +00:00
Dale Johannesen dedf502fba Make EH work with unnamed functions. Reenable running 
StripSymbols when EH is on.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49110 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-02 20:10:52 +00:00
Devang Patel 5252ae6eca Begin setting features for target based on target triple string. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46863 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-07 22:32:50 +00:00
Devang Patel 0e50128099 Do not set time out, lets assume assembler will do its job in reasonable amount of time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46718 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-04 21:16:10 +00:00
Devang Patel bc9ed593d7 Do not strip symbols when EH is ON. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46657 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-02 01:32:38 +00:00
Devang Patel 59c8d8ae89 Supply appropriate arch info to darwin assembler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46567 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-30 19:19:31 +00:00
Devang Patel 21b70b237d Enable exception handling if it is supported. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46560 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-30 17:43:03 +00:00
Devang Patel 5e563c3264 - Introduces versioning macro LLVM_LTO_VERSION 
- Communicate symbol visibility
- Communicate code generation model


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46033 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 23:52:34 +00:00
Chris Lattner 21c62da287 remove attributions from tools. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45421 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-29 20:44:31 +00:00
Devang Patel fe085f3fde Revert my previous check-in. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45249 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-20 01:46:01 +00:00
Devang Patel e3611871cb Add lto version check mechanism. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45238 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-20 00:24:01 +00:00
Gordon Henriksen 4b2b9402c5 Switching TargetMachineRegistry to use the new generic Registry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43094 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-17 21:28:48 +00:00
Reid Spencer cbb7ec7396 Fix a sys::Path API error caught by a gcc 4.2 warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39995 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-18 05:27:33 +00:00
Gabor Greif a99be51bf5 Here is the bulk of the sanitizing. 
Almost all occurrences of "bytecode" in the sources have been eliminated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37913 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-05 17:07:56 +00:00
Chris Lattner 744879ea01 switch tools to bitcode from bytecode 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36872 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-06 09:32:02 +00:00
Chris Lattner 68d4922adf bitcodify 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36838 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-06 04:49:55 +00:00
Devang Patel 54959d6cf6 Now LICM is a LoopPass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35001 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-07 04:41:30 +00:00