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539 Commits

Author SHA1 Message Date
Chris Lattner
be23568cea Simplify some code 
llvm-svn: 28066
 2006-05-03 00:13:06 +00:00
Chris Lattner
2bf37af52d Several related changes: 
1. Change several methods in the MachineCodeEmitter class to be pure virtual.
2. Suck emitConstantPool/initJumpTableInfo into startFunction, removing them
   from the MachineCodeEmitter interface, and reducing the amount of target-
   specific code.
3. Change the JITEmitter so that it allocates constantpools and jump tables
   *right* next to the functions that they belong to, instead of in a separate
   pool of memory.  This makes all memory for a function be contiguous, and
   means the JITEmitter only tracks one block of memory now.

llvm-svn: 28065
 2006-05-02 23:22:24 +00:00
Chris Lattner
8054cd3830 Do not make the JIT memory manager manage the memory for globals. Instead 
just have the JIT malloc them.

llvm-svn: 28062
 2006-05-02 21:57:51 +00:00
Chris Lattner
41cc593fc3 Minor cleanups, no functionality change. 
llvm-svn: 28061
 2006-05-02 21:44:14 +00:00
Chris Lattner
055baf5c7b Refactor the machine code emitter interface to pull the pointers for the current 
code emission location into the base class, instead of being in the derived classes.

This change means that low-level methods like emitByte/emitWord now are no longer
virtual (yaay for speed), and we now have a framework to support growable code
segments.  This implements feature request #1 of PR469.

llvm-svn: 28059
 2006-05-02 18:27:26 +00:00
Chris Lattner
5c1abc2b94 Remove dead method 
llvm-svn: 28055
 2006-05-02 17:20:28 +00:00
Nate Begeman
acdefe26fa Fix a warning 
llvm-svn: 27967
 2006-04-25 17:46:32 +00:00
Nate Begeman
7ed816f900 JumpTable support! What this represents is working asm and jit support for 
x86 and ppc for 100% dense switch statements when relocations are non-PIC.
This support will be extended and enhanced in the coming days to support
PIC, and less dense forms of jump tables.

llvm-svn: 27947
 2006-04-22 18:53:45 +00:00
Chris Lattner
4f0240b577 Fix JIT support for static ctors, which was apparently completely broken! 
This allows Prolangs-C++/city and probably a bunch of other stuff to work
well with the new front-end

llvm-svn: 27941
 2006-04-22 05:02:46 +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
56a6600a72 prune #includes 
llvm-svn: 26975
 2006-03-23 05:43:58 +00:00
Chris Lattner
3d5ca510c9 remove always-null IntrinsicLowering argument. 
llvm-svn: 26971
 2006-03-23 05:28:02 +00:00
Chris Lattner
2aa3f9a6b5 remove the intrinsiclowering hook 
llvm-svn: 26970
 2006-03-23 05:22:51 +00:00
Chris Lattner
ab22cd5c33 Eliminate the dependency of ExecutionEngine on the JIT/Interpreter libraries. 
Now you can build a tool with just the JIT or just the interpreter.

llvm-svn: 26946
 2006-03-22 06:07:50 +00:00
Reid Spencer
728a2e9f62 Convert llvm.cs.uiuc.edu -> llvm.org 
llvm-svn: 26748
 2006-03-14 05:54:52 +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
Chris Lattner
e976315aec simplify this code now that each constant pool entry is not separately allocated 
llvm-svn: 26079
 2006-02-09 04:49:59 +00:00
Chris Lattner
c81f375f21 Adjust to MachineConstantPool interface change: instead of keeping a 
value/alignment pair for each constant, keep a value/offset pair.

llvm-svn: 26078
 2006-02-09 04:46:04 +00:00
Chris Lattner
1111a4b76d rename fields of constant pool entries 
llvm-svn: 26076
 2006-02-09 04:22:52 +00:00
Jeff Cohen
e66383eb06 The interpreter assumes that the caller of runFunction() must be lli, and 
therefore the function being called must be a main() returning an int.  The
consequences when these assumptions are false are not good, so don't assume
them.

llvm-svn: 26031
 2006-02-07 05:29:44 +00:00
Jeff Cohen
909ee648c7 Teach the interpreter to handle global variables that are added to a module after 
interpretation has begun.  The JIT already handles this situation correctly, and
the interpreter can already handle new functions being added.

llvm-svn: 26030
 2006-02-07 05:11:57 +00:00
Evan Cheng
f115c17f23 Allow the specification of explicit alignments for constant pool entries. 
llvm-svn: 25855
 2006-01-31 22:23:14 +00:00
Chris Lattner
201586783d Add #include of <iostream> 
llvm-svn: 25516
 2006-01-22 23:41:42 +00:00
Robert Bocchino
51e0be55e8 Fixed InitializeMemory to handle ConstantPacked. 
llvm-svn: 25481
 2006-01-20 18:18:40 +00:00
Chris Lattner
446a1e7a68 Wrap long lines. 
llvm-svn: 25140
 2006-01-07 06:20:51 +00:00
Chris Lattner
05a3f338cd wrap long line 
llvm-svn: 25139
 2006-01-07 06:12:07 +00:00
Chris Lattner
5b4d016b3f Fix a nasty bug that was causing miscompilation of global variables 
on big endian 32-bit targets in some cases (e.g. PPC).  This fixes several
PPC JIT failures.

llvm-svn: 23914
 2005-10-23 23:54:56 +00:00
Chris Lattner
965f10f2f2 Shrinkify to match llc 
llvm-svn: 23912
 2005-10-23 22:39:01 +00:00
Jim Laskey
1f9c40400c Add help support for -mcpu and -mattr. 
llvm-svn: 23222
 2005-09-02 19:27:43 +00:00
Jim Laskey
f32ef9a37f 1. Use SubtargetFeatures in llc/lli. 
2. Propagate feature "string" to all targets.

3. Implement use of SubtargetFeatures in PowerPCTargetSubtarget.

llvm-svn: 23192
 2005-09-01 21:38:21 +00:00
Andrew Lenharth
a48ff3bd21 one cannot allocate a global, until one is done initializing the global pointers 
llvm-svn: 22568
 2005-08-01 17:35:40 +00:00
Jeff Cohen
019104459d Keep tabs and trailing spaces out. 
llvm-svn: 22565
 2005-07-30 18:33:25 +00:00
Andrew Lenharth
d8bfbd99e9 support near allocations for the JIT 
llvm-svn: 22554
 2005-07-29 23:40:16 +00:00
Andrew Lenharth
02e0c80ecb Like constants, globals on some platforms are GOT relative. This means they have to be allocated 
near the GOT, which new doesn't do.  So break out the allocate into a new function.

Also move GOT index handling into JITResolver.  This lets it update the mapping when a Lazy
function is JITed.  It doesn't managed the table, just the mapping.  Note that this is
still non-ideal, as any function that takes a function address should also take a GOT
index, but that is a lot of changes.  The relocation resolve process updates any GOT entry
it sees is out of date.

llvm-svn: 22537
 2005-07-28 12:44:13 +00:00
Jeff Cohen
bd51ec7461 Eliminate all remaining tabs and trailing spaces. 
llvm-svn: 22523
 2005-07-27 06:12:32 +00:00
Chris Lattner
dd4417e8f9 fix a warning on 32-bit systems 
llvm-svn: 22513
 2005-07-25 23:42:58 +00:00
Andrew Lenharth
8a56432457 the JIT memory manager will construct a GOT if you want it too. Also, it places the constants in the allocated memory, rather than a malloc area 
llvm-svn: 22497
 2005-07-22 20:48:12 +00:00
Chris Lattner
648d6f150e count the number of relocations performed. 
llvm-svn: 22480
 2005-07-20 16:29:20 +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
Chris Lattner
cd3e31ee5a fix long lines 
llvm-svn: 22369
 2005-07-11 02:49:16 +00:00
Andrew Lenharth
a9214fec08 core changes for varargs 
llvm-svn: 22254
 2005-06-18 18:34:52 +00:00
Chris Lattner
5f2a0d17ab Fix a really horrible problem that causes the JIT to miscompile any program 
that use 64-bit integers on 32-bit hosts.

llvm-svn: 21886
 2005-05-12 06:01:28 +00:00
Chris Lattner
4e9d804f1d Make the stub functions be tail calls 
llvm-svn: 21738
 2005-05-06 06:48:54 +00:00
Misha Brukman
3ef1d71bfa Convert tabs to spaces 
llvm-svn: 21440
 2005-04-22 04:08:30 +00:00
Misha Brukman
933cdaf254 Remove trailing whitespace 
llvm-svn: 21422
 2005-04-21 22:55:34 +00:00
Misha Brukman
dda9dce10f * Remove trailing whitespace 
* Convert tabs to spaces

llvm-svn: 21421
 2005-04-21 22:43:08 +00:00
Misha Brukman
774e55c446 Remove trailing whitespace 
llvm-svn: 21420
 2005-04-21 22:36:52 +00:00
Chris Lattner
25a77fc58f Add support for targets that require stubs for external functions. 
llvm-svn: 21313
 2005-04-18 01:44:27 +00:00
Chris Lattner
c9a3ea81bf Fix the missing symbols problem Bill was hitting. Patch contributed by 
Bill Wendling!!

llvm-svn: 20649
 2005-03-17 15:38:16 +00:00
Chris Lattner
4b688a1c70 This mega patch converts us from using Function::a{iterator|begin|end} to 
using Function::arg_{iterator|begin|end}.  Likewise Module::g* -> Module::global_*.

This patch is contributed by Gabor Greif, thanks!

llvm-svn: 20597
 2005-03-15 04:54:21 +00:00
Chris Lattner
b632a13aa7 Use const iterators where possible. Patch by Evan Jones! 
llvm-svn: 20354
 2005-02-27 19:06:10 +00:00
Chris Lattner
68c342b28f Fix problems running the HowToUseJIT on powerpc, and probably problems with 
ANY program that does not have all functions internalized.

llvm-svn: 20258
 2005-02-20 18:43:35 +00:00
Chris Lattner
11f76e4975 This is no longer needed. Global variables with undef initializers can be 
initialized to anything, including garbage.

llvm-svn: 20010
 2005-02-02 20:50:50 +00:00
Chris Lattner
24bf1ca350 If the interpreter tries to execute an external function, kill it. Of course 
since we are dirty, special case __main.  This should fix the infinite loop
horrible stuff that happens on linux-alpha when configuring llvm-gcc.  It
might also help cygwin, who knows??

llvm-svn: 19729
 2005-01-21 19:59:37 +00:00
Chris Lattner
605b9a23a2 Improve compatiblity with HPUX on Itanium, patch by Duraid Madina 
llvm-svn: 19586
 2005-01-16 01:31:31 +00:00
Chris Lattner
b35b30c283 Rework constant pool handling so that function constant pools are no longer 
leaked to the system.  Now they are destroyed with the JITMemoryManager is
destroyed.

llvm-svn: 19434
 2005-01-10 18:23:22 +00:00
Chris Lattner
7a6914d3fc Silence warnings 
llvm-svn: 19392
 2005-01-08 20:13:44 +00:00
Chris Lattner
ed92fd75e8 Silence VS warnings. 
llvm-svn: 19391
 2005-01-08 20:13:19 +00:00
Chris Lattner
f1c684b3a2 Silence VS warnings. 
llvm-svn: 19390
 2005-01-08 20:07:03 +00:00
Chris Lattner
a4a16f17a3 Silence VS warnings 
llvm-svn: 19389
 2005-01-08 20:05:34 +00:00
Reid Spencer
5cc7e5cbd5 Be double sure about including sys/stat.h by wrapping the inclusion in 
an "#if defined(HAVE_SYS_STAT_H)".

llvm-svn: 19069
 2004-12-20 06:34:02 +00:00
Reid Spencer
96bd09da4a Move the #include of sys/stat.h inside the linux "hack" for the stat 
family of functions so it gets noticed if we ever remove this.

llvm-svn: 19022
 2004-12-17 19:09:16 +00:00
Reid Spencer
bf452c05e9 Only #include sys/stat.h if we're on linux where we have the PR274 problem. 
llvm-svn: 19020
 2004-12-17 18:56:29 +00:00
Reid Spencer
663dc7fb78 Get rid of some leaks found by VC leak detector. 
Patch contributed by Morten Ofsted.

llvm-svn: 18889
 2004-12-13 16:04:04 +00:00
Chris Lattner
fd2cb25d5f Properly implement a fix for PR475 
llvm-svn: 18537
 2004-12-05 07:19:16 +00:00
Chris Lattner
0f2cf7324c Revert this patch, it broke a ton of programs. 
llvm-svn: 18535
 2004-12-05 06:59:59 +00:00
Alkis Evlogimenos
687155333f Fix PR475. 
llvm-svn: 18515
 2004-12-05 01:51:20 +00:00
Chris Lattner
cfb8e1d6c8 Remove darwin specific majik 
llvm-svn: 18467
 2004-12-03 23:02:55 +00:00
Chris Lattner
378036ed74 Do not look here for elegance. 
This fixes the ugly darwin "cannot find symbols starting with __" issue.

Thanks for Owen/resistor for testing this out for me.

llvm-svn: 18454
 2004-12-03 07:16:51 +00:00
Chris Lattner
e4350af487 Remove unneeded cast. 
llvm-svn: 18405
 2004-12-01 17:13:05 +00:00
Chris Lattner
1196903800 Fix the JIT when being used from llvm-db 
llvm-svn: 18391
 2004-11-30 17:41:49 +00:00
Reid Spencer
74b17227a5 Use System/DynamicLibrary instead of Support/DynamicLinker 
llvm-svn: 18357
 2004-11-29 14:11:29 +00:00
Chris Lattner
76705f0c6b Rename Emitter.cpp -> JITEmitter.cpp 
llvm-svn: 18132
 2004-11-22 22:00:25 +00:00
Chris Lattner
70c19defde Fix the FIXME, nuke the JIT specific forceCompilationOf method. 
llvm-svn: 18131
 2004-11-22 21:54:35 +00:00
Chris Lattner
d38029313a These methods are obsolete 
llvm-svn: 18129
 2004-11-22 21:48:33 +00:00
Chris Lattner
8909e6452a Support targets that require stubs for external functions better 
llvm-svn: 18098
 2004-11-22 07:24:43 +00:00
Chris Lattner
596d18c8dd Clean up DEBUG output 
llvm-svn: 18081
 2004-11-21 03:44:32 +00:00
Chris Lattner
ce43d636fe Allow targets to avoid emitting a stub for EVERY lazily resolved call. In 
most cases (e.g. direct calls) no stub is needed.

llvm-svn: 18080
 2004-11-21 03:37:42 +00:00
Chris Lattner
d8c2739b24 Implement relocation support by adding a target independent resolver interface. 
llvm-svn: 18069
 2004-11-20 23:57:07 +00:00
Chris Lattner
c6c7f2ac58 This method does not exist any longer. 
llvm-svn: 18061
 2004-11-20 23:51:03 +00:00
Chris Lattner
d70e6be604 Add getCurrentPCOffset() and addRelocation() methods. 
Add stub support for relocations to finishFunction

llvm-svn: 18035
 2004-11-20 03:46:14 +00:00
Chris Lattner
5bf6fe1636 Add accessor 
llvm-svn: 18030
 2004-11-20 03:11:07 +00:00
Chris Lattner
2978400c23 Match change in MachineCodeEmitter prototype. 
llvm-svn: 18009
 2004-11-19 20:56:46 +00:00
Chris Lattner
0169ce5e9e This is a horrible hack to work around libstdc++ bugs :( 
llvm-svn: 17988
 2004-11-19 08:44:07 +00:00
Chris Lattner
89536fedee Now that we have ghost linkage, we can force resolution of external symbols 
immediately instead of lazily.

In this program, for example:

int main() {
  printf("hello world\n");
  printf("hello world\n");
  printf("hello world\n");
  printf("hello world\n");
}

We used to have to go through compilation callback 4 times (once for each
call to printf), now we don't go to it at all.

Thanks to Misha for noticing this, and for adding the initial ghost linkage
patches.

llvm-svn: 17864
 2004-11-15 23:20:04 +00:00
Chris Lattner
583ea4764c There is no reason to try to materialize the function from bytecode if it 
already has been.  This may be a small speedup.

llvm-svn: 17863
 2004-11-15 23:18:09 +00:00
Misha Brukman
8c397821a5 Implement ExecutionEngine::freeMachineCodeForFunction() 
llvm-svn: 17601
 2004-11-07 23:58:46 +00:00
Brian Gaeke
a757bae04f When emitting debug msgs for function stubs, don't truncate the 
printed pointer value if sizeof(unsigned) != pointer size.  Instead,
use uintptr_t.

llvm-svn: 17338
 2004-10-29 18:22:45 +00:00
Reid Spencer
1be896397a Fix library name. 
llvm-svn: 17307
 2004-10-28 05:37:24 +00:00
Reid Spencer
d3f7233495 Change Library Names Not To Conflict With Others When Installed 
llvm-svn: 17286
 2004-10-27 23:18:45 +00:00
Reid Spencer
1a344dfd95 Changes to support rand48 tests 
llvm-svn: 17284
 2004-10-27 23:03:44 +00:00
Chris Lattner
0dbd792854 Fix the interpreter crash that Michael McCracken found 
llvm-svn: 17239
 2004-10-26 05:35:14 +00:00
Misha Brukman
cfd8a7eb53 Use cleaner quoting and eliminate blank space 
llvm-svn: 17174
 2004-10-22 23:35:57 +00:00
Reid Spencer
e48ba34fd4 We won't use automake 
llvm-svn: 17155
 2004-10-22 03:35:04 +00:00
Reid Spencer
ce514b1c2c Initial automake generated Makefile template 
llvm-svn: 17136
 2004-10-18 23:55:41 +00:00
Chris Lattner
2fae8a1ef9 Add support for unreachable 
llvm-svn: 17056
 2004-10-16 18:21:33 +00:00
Chris Lattner
8d479b62ad Add support for undef 
llvm-svn: 17055
 2004-10-16 18:19:26 +00:00
Reid Spencer
e6418ec30f Update to reflect changes in Makefile rules. 
llvm-svn: 16950
 2004-10-13 11:46:52 +00:00
Reid Spencer
7d9cba7a0f Initial version of automake Makefile.am file. 
llvm-svn: 16885
 2004-10-10 20:43:57 +00:00
Reid Spencer
c6a8d70cff Convert code to compile with vc7.1. 
Patch contributed by Paolo Invernizzi. Thanks Paolo!

llvm-svn: 16368
 2004-09-15 17:06:42 +00:00