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83 Commits

Author SHA1 Message Date
Chris Lattner
f1cc8abdda improve documentation around memory lifetimes, 
patch by Jeffrey Yasskin!

llvm-svn: 70083
 2009-04-25 22:10:06 +00:00
Nate Begeman
5e78e558ff Add support to the JIT for true non-lazy operation. When a call to a function 
that has not been JIT'd yet, the callee is put on a list of pending functions
to JIT.  The call is directed through a stub, which is updated with the address
of the function after it has been JIT'd.  A new interface for allocating and
updating empty stubs is provided.

Add support for removing the ModuleProvider the JIT was created with, which
would otherwise invalidate the JIT's PassManager, which is initialized with the
ModuleProvider's Module.

Add support under a new ExecutionEngine flag for emitting the infomration 
necessary to update Function and GlobalVariable stubs after JITing them, by
recording the address of the stub and the name of the GlobalValue.  This allows
code to be copied from one address space to another, where libraries may live
at different virtual addresses, and have the stubs updated with their new
correct target addresses.

llvm-svn: 64906
 2009-02-18 08:31:02 +00:00
Nate Begeman
4de6ffb743 Add support for deleting a module provider from a JIT in such a way that it does not cause the owned module to be fully materialized. 
llvm-svn: 62864
 2009-01-23 19:27:28 +00:00
Dan Gohman
8271066844 Tidy up #includes, deleting a bunch of unnecessary #includes. 
llvm-svn: 61715
 2009-01-05 17:59:02 +00:00
Evan Cheng
3130873f30 DisableGVCompilation should not abort on internal GlobalValue's. 
llvm-svn: 60750
 2008-12-09 07:31:49 +00:00
Nicolas Geoffray
ce30b5caf0 Support for allocation of TLS variables in the JIT. Allocation of a global 
variable is moved to the execution engine. The JIT calls the TargetJITInfo
to allocate thread local storage. Currently, only linux/x86 knows how to
allocate thread local global variables.

llvm-svn: 58142
 2008-10-25 15:41:43 +00:00
Nuno Lopes
112ac04abd fix a tricky bug in the JIT global variable emitter, that was triggered when JITing a variable independently of a function. This lead to sharing memory memory between functions and GVs thus changing the value of a GV could change the code in execution. more details on the ML. 
llvm-svn: 57900
 2008-10-21 11:42:16 +00:00
Jim Grosbach
a49386d8e7 On Darwin ARM, memory needs special handling to do JIT. This patch expands 
this handling to work properly for modifying stub functions, relocations
back to entry points after JIT compilation, etc..

llvm-svn: 57013
 2008-10-03 16:17:20 +00:00
Evan Cheng
7eea8fb7cd Add runStaticConstructorsDestructors which runs ctors / dtors of a single module. Patch by David Chisnall. 
llvm-svn: 56849
 2008-09-30 15:51:21 +00:00
Evan Cheng
0ed8f5b185 Add DisableGVCompilation which forces the JIT to assert when it tries to allocate space for a GlobalVariable. 
llvm-svn: 56557
 2008-09-24 16:25:55 +00:00
Evan Cheng
054bbb0dd8 Add new parameter Fast to createJIT to enable the fast codegen path. 
llvm-svn: 54523
 2008-08-08 08:11:34 +00:00
Chris Lattner
b2c9317b8d Add a new flag that disables symbol lookup with dlsym when set. This allows 
a JIT client to completely control symbol lookup with the LazyFunctionCreator
interface.

llvm-svn: 52335
 2008-06-16 17:44:14 +00:00
Nate Begeman
26bb02a23a Fix a couple issues with the JIT and multiple modules: 
1. The "JITState" object creates a PassManager with the ModuleProvider that the
   jit is created with.  If the ModuleProvider is removed and deleted, the
   PassManager is invalid.

2. The Global maps in the JIT were not invalidated with a ModuleProvider was 
   removed.  This could lead to a case where the Module would be freed, and a 
   new Module with Globals at the same addresses could return invalid results.

llvm-svn: 51384
 2008-05-21 16:34:48 +00:00
Bill Wendling
1866fa680f Remove warnings about unused parameters and shadowed variables. 
llvm-svn: 51266
 2008-05-19 20:15:12 +00:00
Nicolas Geoffray
c80229e1c7 Cosmetic changes, as suggested by Evan. No functionality changes. 
llvm-svn: 49993
 2008-04-20 17:44:19 +00:00
Nicolas Geoffray
f005e6fa3b Enable jitting with a known memory size. 
llvm-svn: 49924
 2008-04-18 20:59:31 +00:00
Nicolas Geoffray
1f3211af01 Correlate stubs with functions in JIT: when emitting a stub, the JIT tells the memory manager which function 
the stub will resolve.

llvm-svn: 49814
 2008-04-16 20:46:05 +00:00
Chris Lattner
0891662a49 Make ExecutionEngine::updateGlobalMapping return the old mapping. 
llvm-svn: 49206
 2008-04-04 04:47:41 +00:00
Nicolas Geoffray
72fa78e195 Enable exception handling int JIT 
llvm-svn: 47079
 2008-02-13 18:39:37 +00:00
Chris Lattner
e0b1ee937a Don't attribute in file headers anymore. See llvmdev for the 
discussion of this change.  Boy are my fingers tired. ;-)

llvm-svn: 45411
 2007-12-29 19:59:42 +00:00
Dan Gohman
80af3e255d Add explicit keywords, and fix a minor typo that they uncovered. 
llvm-svn: 45034
 2007-12-14 15:41:34 +00:00
Chris Lattner
a7caf360c9 add a new ExecutionEngine::createJIT which can be used if you only want 
to create a JIT.  This lets you specify JIT-specific configuration items
like the JITMemoryManager to use.

llvm-svn: 44647
 2007-12-06 01:34:04 +00:00
Chris Lattner
e297cb5408 simplify creation of the interpreter, make ExecutionEngine ctor protected, 
delete one ExecutionEngine ctor, minor cleanup.

llvm-svn: 44646
 2007-12-06 01:08:09 +00:00
Chris Lattner
fefff1c2f7 improve header guard 
llvm-svn: 44641
 2007-12-05 23:45:41 +00:00
Chris Lattner
3043dc44cd split the JIT memory management code out from the main JIT logic into its 
own JITMemoryManager interface.  There is no functionality change with 
this patch.

llvm-svn: 44640
 2007-12-05 23:39:57 +00:00
Chris Lattner
ecea068eb2 add a mechanism for the JIT to invoke a function to lazily create functions as they are referenced. 
llvm-svn: 43210
 2007-10-22 02:50:12 +00:00
Chris Lattner
712119a5ed Add a convenience method for creating EE's. 
llvm-svn: 43206
 2007-10-21 22:57:11 +00:00
Devang Patel
b4a9a2e418 Add removeModuleProvider() 
llvm-svn: 43002
 2007-10-15 19:56:32 +00:00
Dale Johannesen
9ce8a9d633 Implement x86 long double in jit (not really 
complete, but common cases work)

llvm-svn: 42043
 2007-09-17 18:44:13 +00:00
Reid Spencer
564f193ad0 Make StoreValueToMemory a little more efficient by not copying a 
GenericValue to a temporary.

llvm-svn: 34957
 2007-03-06 05:02:28 +00:00
Reid Spencer
b5e0b0bc5e Make GenericeValue into a struct with a union instead of just a union. This 
allows an APInt value to be constructed. Remove all the native integer types
from the union. These are replaced with the single IntVal of type APInt.

llvm-svn: 34945
 2007-03-06 03:01:54 +00:00
Reid Spencer
cdb5aa2805 Make the creation functions take an error string. This will help the 
ExecutionEngine report errors on creation (like bytecode stuff) and also
help to get rid of exception handling.

llvm-svn: 34886
 2007-03-03 18:18:11 +00:00
Reid Spencer
e96b55e61f Require the destination GlobalValue for LoadValueFromMemory to be passed 
in as a parameter instead of returned.

llvm-svn: 34882
 2007-03-03 08:35:14 +00:00
Reid Spencer
36fb227e99 Add APIntVal as a possible GenericeValue. 
llvm-svn: 34879
 2007-03-03 07:36:44 +00:00
Reid Spencer
f3265181e2 Rename BoolTy as Int1Ty. Patch by Sheng Zhou. 
llvm-svn: 33076
 2007-01-11 18:21:29 +00:00
Reid Spencer
a7eaf62ace For PR950: 
Change integer type names for signless integer types

llvm-svn: 32777
 2006-12-31 05:23:18 +00:00
Chris Lattner
89e9bb620a allow clients to indicate that they never want lazy compilation. 
llvm-svn: 31600
 2006-11-09 19:30:47 +00:00
Chris Lattner
cccfd59edf add a way to have multiple modules in a JIT :) 
llvm-svn: 29723
 2006-08-16 02:53:27 +00:00
Chris Lattner
1eabe5fb58 initial changes to support JIT'ing from multiple module providers, implicitly 
linking the program on the fly.

llvm-svn: 29721
 2006-08-16 01:24:12 +00:00
Chris Lattner
2a1973c8c2 Move methods out of line so that MutexGuard.h isn't required in the header. 
llvm-svn: 28178
 2006-05-08 22:00:26 +00:00
Owen Anderson
71bc529dfa Refactor TargetMachine, pushing handling of TargetData into the target-specific subclasses. This has one caller-visible change: getTargetData() now returns a pointer instead of a reference. 
This fixes PR 759.

llvm-svn: 28074
 2006-05-03 01:29:57 +00:00
Jeff Cohen
3fb8f32540 Fix headers 
llvm-svn: 27043
 2006-03-24 06:07:16 +00:00
Jeff Cohen
1dcffcaf83 Minor corrections. 
llvm-svn: 27041
 2006-03-24 02:58:54 +00:00
Jeff Cohen
dab30f45d8 Get JIT/Interpreter working on Windows again. 
llvm-svn: 27037
 2006-03-24 02:53:49 +00:00
Chris Lattner
2aa3f9a6b5 remove the intrinsiclowering hook 
llvm-svn: 26970
 2006-03-23 05:22:51 +00:00
Chris Lattner
05c3c52edf wrap lines to 80 columns. 
Add static JITCtor/InterpCtor fields

llvm-svn: 26945
 2006-03-22 06:06:37 +00:00
Chris Lattner
0b736a0d1e Add a helper method for running static ctors/dtors in the module. 
llvm-svn: 26619
 2006-03-08 18:42:46 +00:00
Reid Spencer
78910545f0 For PR540: 
This patch completes the changes for making lli thread-safe. Here's the list
of changes:
* The Support/ThreadSupport* files were removed and replaced with the
  MutexGuard.h file since all ThreadSupport* declared was a Mutex Guard.
  The implementation of MutexGuard.h is now based on sys::Mutex which hides
  its implementation and makes it unnecessary to have the -NoSupport.h and
  -PThreads.h versions of ThreadSupport.

* All places in ExecutionEngine that previously referred to "Mutex" now
  refer to sys::Mutex

* All places in ExecutionEngine that previously referred to "MutexLocker"
  now refer to MutexGuard (this is frivolous but I believe the technically
  correct name for such a class is "Guard" not a "Locker").

These changes passed all of llvm-test. All we need now are some test cases
that actually use multiple threads.

llvm-svn: 22404
 2005-07-12 15:51:55 +00:00
Misha Brukman
4ad5efd1a9 Remove trailing whitespace 
llvm-svn: 21409
 2005-04-21 20:39:54 +00:00
Reid Spencer
f7cd830e8d Add a convenience function for clearing the two global areas. 
Patch contributed by Morten Ofsted.

llvm-svn: 18890
 2004-12-13 16:22:32 +00:00