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112ac04abd
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776 Commits

Author SHA1 Message Date
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
Nuno Lopes
08a1a82acc little optimization: reuse getPointerToGlobalIfAvailable(CGV) value in emitGlobals() 
llvm-svn: 57484
 2008-10-14 10:04:52 +00:00
Mon P Wang
dc1aa21e4e Revert r57340 move guard mutex in getPointerToFunction as this can cause 
deadlock issues with java

llvm-svn: 57356
 2008-10-10 18:07:10 +00:00
Mon P Wang
6c79c8e822 Moved guard mutex upwards to guard materializing a function 
in getPointerToFunction

llvm-svn: 57340
 2008-10-10 01:47:42 +00:00
Dale Johannesen
075a62519f Add a "loses information" return value to APFloat::convert 
and APFloat::convertToInteger.  Restore return value to
IEEE754.  Adjust all users accordingly.

llvm-svn: 57329
 2008-10-09 23:00:39 +00:00
Dale Johannesen
9e57068854 Rename APFloat::convertToAPInt to bitcastToAPInt to 
make it clearer what the function does.  No functional
change.

llvm-svn: 57325
 2008-10-09 18:53:47 +00:00
Duncan Sands
8f296a3788 Add <cstdio> include where needed by gcc-4.4. 
Patch by Samuel Tardieu.

llvm-svn: 57291
 2008-10-08 07:23:46 +00:00
Daniel Dunbar
40fb36a42c Unbreak build. 
llvm-svn: 57017
 2008-10-03 17:11:57 +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
Dan Gohman
30c5ce1b7d Switch the MachineOperand accessors back to the short names like 
isReg, etc., from isRegister, etc.

llvm-svn: 57006
 2008-10-03 15:45:36 +00:00
Nicolas Geoffray
c3efec61f5 Acquire the lock only when necessary. More precisely, do not acquire 
the lock when calling a method which may materialize the llvm::Function.

llvm-svn: 56995
 2008-10-03 07:27:08 +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
Devang Patel
64dd7a2e89 Large mechanical patch. 
s/ParamAttr/Attribute/g
s/PAList/AttrList/g
s/FnAttributeWithIndex/AttributeWithIndex/g
s/FnAttr/Attribute/g

This sets the stage 
- to implement function notes as function attributes and 
- to distinguish between function attributes and return value attributes.

This requires corresponding changes in llvm-gcc and clang.

llvm-svn: 56622
 2008-09-25 21:00:45 +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
Devang Patel
a3e9bf1bca s/ParameterAttributes/Attributes/g 
llvm-svn: 56513
 2008-09-23 23:03:40 +00:00
Oscar Fuentes
0f25988689 Initial support for the CMake build system. 
llvm-svn: 56419
 2008-09-22 01:08:49 +00:00
Evan Cheng
a0459a1c5a Preliminary support for systems which require changing JIT memory regions privilege from read / write to read / executable. 
llvm-svn: 56303
 2008-09-18 07:54:21 +00:00
Anton Korobeynikov
6ad8b060d0 Make safer variant of alias resolution routine to be default 
llvm-svn: 56005
 2008-09-09 20:05:04 +00:00
Evan Cheng
15fd1af657 MMI may be null. 
llvm-svn: 55626
 2008-09-02 08:14:01 +00:00
Nicolas Geoffray
05014c43fa Add support for JIT exceptions on Darwin. Since we're dealing with libgcc, 
whose darwin code was written after the ability to dynamically register frames,
we need to do special hacks to make things work.

llvm-svn: 55507
 2008-08-28 22:34:49 +00:00
Dan Gohman
5438048f54 Avoid a warning about isTargetNullPtr being unused in release builds. 
llvm-svn: 55350
 2008-08-26 01:38:29 +00:00
Evan Cheng
4fa90a1d3e Get rid of a couple of dynamic_cast. 
llvm-svn: 55022
 2008-08-20 00:28:12 +00:00
Nicolas Geoffray
2f08e00f01 Update the JIT exception writer to better mimic the codegen exception writer. 
Also skip indirect encoding for platforms that ask for one: we direclty
write an address, not a pointer to the address.

llvm-svn: 54987
 2008-08-19 14:48:14 +00:00
Nicolas Geoffray
c5c2108727 Register the frame register function when allocating the JIT, 
so that lli works out of the box with -enable-eh.

llvm-svn: 54920
 2008-08-18 14:53:56 +00:00
Anton Korobeynikov
436f708112 Move SLEB/ULEB size calculation routines from AsmPrinter to TargetAsmInfo. This makes JIT asmprinter-free. 
llvm-svn: 54843
 2008-08-16 12:57:46 +00:00
Dale Johannesen
718fcee02d Some fixes for x86-64 JIT. Make it use small code 
model, except for external calls; this makes
addressing modes PC-relative.  Incomplete.

The assertion at the top of Emitter::runOnMachineFunction
was obviously bogus (always true) so I removed it.
If someone knows what the correct test should be to cover
all the various targets, please fix.

llvm-svn: 54656
 2008-08-11 23:46:25 +00:00
Gordon Henriksen
b0ee2172b0 Fix the LLVMCreateJITCompiler C binding. 
Evan broke it in r54523 by adding a parameter in the implementation without
updating the header correspondingly.

llvm-svn: 54555
 2008-08-08 20:49:28 +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
Dale Johannesen
a4de0fa539 Rewrite JIT handling of GlobalVariables so they 
are allocated in the same buffer as the code,
jump tables, etc.

The default JIT memory manager does not handle buffer
overflow well.  I didn't introduce this and I'm not
attempting to fix it here, but it is more likely to
be hit now since we're putting more stuff in the
buffer.  This affects one test that I know of so far,
MultiSource/Benchmarks/NPB-serial/is.

llvm-svn: 54442
 2008-08-07 01:30:15 +00:00
Dan Gohman
3e389ed424 Use strcpy instead of sprintf here. This avoids a GCC 4.3 format-string 
warning. There wasn't actually a problem here, because the contents of
the string are known.

llvm-svn: 54385
 2008-08-05 23:36:35 +00:00
Dan Gohman
1238bf634b Trim #includes. 
llvm-svn: 54350
 2008-08-05 15:32:23 +00:00
Evan Cheng
10d4254f45 Fix for PR2578. Do not split off a block whose size is less than FreeRangeHeader::getMinBlockSize(). Patch by Damien. 
llvm-svn: 54152
 2008-07-29 07:38:32 +00:00
Chris Lattner
c5d6ef88ff Add a new hidden option to the interpreter to cause it to print 
out every volatile load and store.  This is useful for tracking 
down insane volatile memory bugs.

llvm-svn: 53241
 2008-07-08 17:25:49 +00:00
Dan Gohman
6c9a53ffac Use empty() instead of size(). 
llvm-svn: 53178
 2008-07-07 17:52:43 +00:00
Dan Gohman
27986beb10 Correct a comment. 
llvm-svn: 53064
 2008-07-03 00:51:05 +00:00
Dan Gohman
83c1b4cede Prune a few dependencies on MachineFunction.h. 
llvm-svn: 52976
 2008-07-01 18:15:35 +00:00
Dan Gohman
c8097f8c8c Split ISD::LABEL into ISD::DBG_LABEL and ISD::EH_LABEL, eliminating 
the need for a flavor operand, and add a new SDNode subclass,
LabelSDNode, for use with them to eliminate the need for a label id
operand.

Change instruction selection to let these label nodes through
unmodified instead of creating copies of them. Teach the MachineInstr
emitter how to emit a MachineInstr directly from an ISD label node.

This avoids the need for allocating SDNodes for the label id and
flavor value, as well as SDNodes for each of the post-isel label,
label id, and label flavor.

llvm-svn: 52943
 2008-07-01 00:05:16 +00:00
Chris Lattner
9c5a1a7da3 Implement JIT support for global aliases, patch by David Chisnall! 
llvm-svn: 52738
 2008-06-25 20:21:35 +00:00
Chris Lattner
ef1aa7c9db Switch the PPC backend and target-independent JIT to use the libsystem 
InvalidateInstructionCache method instead of calling through
a hook on the JIT.  This is a host feature, not a target feature.

llvm-svn: 52734
 2008-06-25 17:18:44 +00:00
Dan Gohman
7460588026 Use back() instead of [size()-1]. 
llvm-svn: 52600
 2008-06-21 22:00:54 +00:00
Dan Gohman
9b9cf4cf9c Use static_cast instead of reinterpret_cast for casting void*. 
llvm-svn: 52592
 2008-06-21 20:17:03 +00:00
Gordon Henriksen
50ca4ebe97 Add C binding for ExecutionEngine::addGlobalMapping. 
llvm-svn: 52523
 2008-06-20 02:16:11 +00:00
Anton Korobeynikov
5b04f6d658 Provide generic hooks for icache invalidation. Add PPC implementation. 
Patch by Gary Benson!

llvm-svn: 52418
 2008-06-17 17:30:05 +00:00
Evan Cheng
d43a533365 Don't forget to initialize SymbolSearchingDisabled. 
llvm-svn: 52414
 2008-06-17 16:49:02 +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
Dan Gohman
c877140168 Add #includes to make some dependencies explicit. 
llvm-svn: 51496
 2008-05-23 20:40:06 +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
Dan Gohman
e6bb320822 Fix ExecutionEngine's constant code to work properly when structs and arrays 
will become first-class types.

llvm-svn: 51293
 2008-05-20 03:20:09 +00:00
Nate Begeman
f924b6e0d9 Fix a backwards check in the JIT symbol table code 
llvm-svn: 51229
 2008-05-18 19:09:10 +00:00
Evan Cheng
d86d86bbdf Disable JIT symbol table for now. 
llvm-svn: 51152
 2008-05-15 17:31:35 +00:00