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bf843e6974
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251 Commits

Author SHA1 Message Date
Cameron Zwarich
bf843e6974 Fix LTO after the recent MC subtarget refactoring. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134930 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-11 22:19:51 +00:00
Evan Cheng
ffc0e73046 Change createAsmParser to take a MCSubtargetInfo instead of triple, 
CPU, and feature string. Parsing some asm directives can change
subtarget state (e.g. .code 16) and it must be reflected in other
modules (e.g. MCCodeEmitter). That is, the MCSubtargetInfo instance
must be shared.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134795 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-09 05:47:46 +00:00
Evan Cheng
ebdeeab812 Eliminate asm parser's dependency on TargetMachine: 
- Each target asm parser now creates its own MCSubtatgetInfo (if needed).
- Changed AssemblerPredicate to take subtarget features which tablegen uses
  to generate asm matcher subtarget feature queries. e.g.
  "ModeThumb,FeatureThumb2" is translated to
  "(Bits & ModeThumb) != 0 && (Bits & FeatureThumb2) != 0".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134678 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-08 01:53:10 +00:00
Evan Cheng
276365dd4b Fix the ridiculous SubtargetFeatures API where it implicitly expects CPU name to 
be the first encoded as the first feature. It then uses the CPU name to look up
features / scheduling itineray even though clients know full well the CPU name
being used to query these properties.

The fix is to just have the clients explictly pass the CPU name!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134127 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-30 01:53:36 +00:00
Evan Cheng
ab8be96fd3 Sink SubtargetFeature and TargetInstrItineraries (renamed MCInstrItineraries) into MC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134049 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-29 01:14:12 +00:00
Chad Rosier
bd35f27ce9 Reinstate r133516 "Remove some unnecessary uses of c_str()." A trailing null 
character in std::string was causing failures for a few ObjC and Obj-C++ tests
when -flto was enabled.  Revision 133999 resolved this issue. Thanks Jay!
rdar://9685235
PR10210


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134017 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-28 18:26:12 +00:00
Jay Foad
4f91054fe4 PR10210: New method ConstantArray::getAsCString(). Use it in LTO to 
avoid getting embedded trailing null bytes in std::strings.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133999 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-28 08:24:19 +00:00
Chad Rosier
26f448079f Revert r133516 "Remove some unnecessary uses of c_str()." 
This was causing compile-time failures for some of the Objc and Obj-C++
benchmarks.  The specific errors were of the form: "ld: duplicate symbol …"
rdar://9660124

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133955 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-27 22:54:29 +00:00
Jay Foad
06155e88d0 Remove some unnecessary uses of c_str(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133516 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-21 15:36:24 +00:00
Chris Lattner
817a01ffb2 switch bugpoint and liblto to PassManagerBuilder. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131821 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-22 00:20:07 +00:00
Rafael Espindola
debd7e4e8b Simplify the handling of pcrel relocations on ELF. Now we do the right thing 
for all symbol differences and can drop the old EmitPCRelSymbolValue
method.

This also make getExprForFDESymbol on ELF equal to the one on MachO, and it
can be made non-virtual.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130634 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-01 03:50:49 +00:00
Rafael Espindola
e8cfbd843d Remove unused argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129955 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-21 23:39:26 +00:00
Nick Lewycky
333ed454d0 Fix typo in comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129902 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-21 01:54:08 +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
Devang Patel
c9d2f0cad3 Update CMakeLists.txt 
Patch by arrowdoger.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128719 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-01 18:03:58 +00:00
Devang Patel
a89cfd23c4 Expoert c interface for disassembler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128440 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 00:01:39 +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
11d1803770 We don't need a null terminator for the output file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128098 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-22 19:20:47 +00:00
Rafael Espindola
f19d7a7af3 Use lazy parsing in LTO. Unfortunately this is only a 3% time saving for 
'ar'. Have to figure out how to make libLTO even lazier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127901 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-18 19:51:00 +00:00
Rafael Espindola
9a4584b54b Simplify the computation of undefined symbols. Instead of walking 
functions and initializers, just report the declarations present in
the module.

The motivation is to open the way for using the lazy module parsing,
which should speed up clients that just want a symbol list (nm, ar).

This is slightly less precise, but since both -strip-dead-prototypes
and -globaldce are part of the standard pipeline, this shouldn't
change the result for clang/dragonegg produced binaries.

Any decl in an IL file was also put there because a FE expected it
to be necessary, so this should not be a problem for "-O0 -emit-llvm".

As a sanity check, I have bootstrapped clang on linux and built
firefox on both linux and darwin. A clang bootstrap on darwin
with LTO fails with or without this patch because, ironically,
the linker doesn't like the combination of dead_strip and LTO
when building libLTO.so :-)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127870 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-18 05:12:38 +00:00
NAKAMURA Takumi
0e8d588948 tools/lto/LTOModule.cpp: Eliminate an unused variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127859 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-18 03:21:11 +00:00
Rafael Espindola
9916d2ac39 Use RequiresNullTerminator to create buffers without a null terminator 
instead of copying.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127835 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-17 22:18:42 +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
Oscar Fuentes
8e3db304c1 Build LTO as a static library too. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127553 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-12 22:01:36 +00:00
Oscar Fuentes
54efb7371a Build LTO as a static library too. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127549 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-12 17:32:30 +00:00
Oscar Fuentes
798403babd Update link components for llvm-dis and LTO. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127545 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-12 16:48:49 +00:00
Oscar Fuentes
1dc550b383 Add LTO and gold plugin to the CMake build. Linux-only, support for 
other systems pending.

PR9456.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127466 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-11 15:44:24 +00:00
Rafael Espindola
38c4e53549 Add a special streamer to libLTO that just records symbols definitions and 
uses.

The result produced by the streamer is used to give the linker more accurate
information and to add to llvm.compiler.used. The second improvement removes
the need for the user to add __attribute__((used)) to functions only used in
inline asm. The first one lets us build firefox with LTO on Darwin :-)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126830 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-02 04:14:42 +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
cd6c93ec48 Fix some memory leaks and avoid looking in the hash tables twice. 
libxul links in 7m0.403s.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126085 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-20 16:27:25 +00:00
Rafael Espindola
2e3066b319 Preserve aliases if needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125439 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-12 18:03:13 +00:00
Rafael Espindola
d7401b35e3 Fix a silly bug I introduced when dropping std::string. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125420 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-12 00:19:56 +00:00
Rafael Espindola
ef1860a117 Remove std::string version of getNameWithPrefix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125363 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-11 05:23:09 +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
Rafael Espindola
4cb310b67d Don't tell the linker about available_externally definitions. If we do, it will 
complain about duplicated definitions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124634 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-01 00:41:51 +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
Michael J. Spencer
3ff9563c3e MemoryBuffer now return an error_code and returns a OwningPtr<MemoryBuffer> via an out parm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121958 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-16 03:29:14 +00:00
Rafael Espindola
89b9372605 Fixed version of 121434 with no new memory leaks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121471 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 07:39:47 +00:00
Rafael Espindola
f7fd4aa261 Revert my previous patch to make the valgrind bots happy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121461 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 04:01:09 +00:00
Rafael Espindola
1c952b9cc9 Initial support for the cfi directives. This is just enough to get 
f:
        .cfi_startproc
        nop
        .cfi_endproc

assembled (on ELF).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121434 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 23:48:29 +00:00
Michael J. Spencer
f2f516fc26 More code not compiled by CMake. :(. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121387 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 18:06:07 +00:00
Devang Patel
9267d140de Do not try luck by using given name to create temporary file. In parallel builds it may not work. 
This time for .s file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121016 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 18:04:39 +00:00
Devang Patel
b7bbd46122 Do not try luck by using given name to create temporary file. In parallel builds it may not work. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120860 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-03 23:58:31 +00:00
Michael J. Spencer
3cc52ea33c I swear I did a make clean and make before committing all this... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120304 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 18:47:54 +00:00
Rafael Espindola
02003caf22 Record sysbols created by aliases. Fixes PR8414. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116910 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-20 04:57:22 +00:00
Daniel Dunbar
8535403ee0 lto: Respect LLVM_VERSION_INFO make variable, since setting CC arguments with 
spaces gives tests fits and shell escaping is an art best left to jabberwockies.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116632 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-15 22:46:15 +00:00
Dan Gohman
9f36c4e156 This file needs ToolOutputFile.h too. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115976 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-07 20:48:46 +00:00
Bill Wendling
34711747a1 Provide a fast "get me the target triple from the module" API. This can 
drastically reduce the linking time during LTO.

Patch by Shantonu Sen!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115728 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-06 01:22:42 +00:00
Bill Wendling
7afea0cfc4 Add a new scope type "LTO_SYMBOL_SCOPE_DEFAULT_CAN_BE_HIDDEN" for the 
"linker_private_weak_auto_def" linkage type for LTO.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114868 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 20:17:45 +00:00
Bill Wendling
563ef5ec91 The "linker_private_weak*" linkages should set the LTO_SYMBOL_DEFINITION_WEAK 
during LTO.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114850 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 18:05:19 +00:00