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77 Commits

Author SHA1 Message Date
Devang Patel
01262e129e DIGlobalVariable can be used to encode debug info for globals that are directly folded into a constant by FE. 
llvm-svn: 112072
 2010-08-25 18:52:02 +00:00
Owen Anderson
a7aed18624 Reapply r110396, with fixes to appease the Linux buildbot gods. 
llvm-svn: 110460
 2010-08-06 18:33:48 +00:00
Owen Anderson
bda59bd247 Revert r110396 to fix buildbots. 
llvm-svn: 110410
 2010-08-06 00:23:35 +00:00
Owen Anderson
755aceb5d0 Don't use PassInfo* as a type identifier for passes. Instead, use the address of the static 
ID member as the sole unique type identifier.  Clean up APIs related to this change.

llvm-svn: 110396
 2010-08-05 23:42:04 +00:00
Owen Anderson
a57b97e7e7 Fix batch of converting RegisterPass<> to INTIALIZE_PASS(). 
llvm-svn: 109045
 2010-07-21 22:09:45 +00:00
Dan Gohman
afbe4a7a10 Make this code a little more readable. 
llvm-svn: 108968
 2010-07-20 23:49:44 +00:00
Dan Gohman
b22dd85bb3 Fix a typo. 
llvm-svn: 108962
 2010-07-20 23:10:36 +00:00
Dan Gohman
5c2e65b7bf Don't look up the "dbg" metadata kind by name. 
llvm-svn: 108961
 2010-07-20 23:09:34 +00:00
Devang Patel
2b434e12cd Debugging infomration is encoded in llvm IR using metadata. This is designed 
such a way that debug info for symbols preserved even if symbols are
optimized away by the optimizer. 

Add new special pass to remove debug info for such symbols.

llvm-svn: 107416
 2010-07-01 19:49:20 +00:00
Devang Patel
b9e2e4b762 If a named mdnode is removed then mark module as changed. 
llvm-svn: 107412
 2010-07-01 18:27:46 +00:00
Devang Patel
db735cbbab Remove all debug info related named mdnodes. 
llvm-svn: 107323
 2010-06-30 21:29:00 +00:00
Gabor Greif
d50572802e use ArgOperand API 
llvm-svn: 107277
 2010-06-30 12:40:35 +00:00
Duncan Sands
17f1ca8793 Return Changed. This required setting Changed if dbg metadata 
is stripped off.  Currently set unconditionally, since the API
does not provide a way of working out if anything was actually
stripped off.

llvm-svn: 107142
 2010-06-29 14:52:10 +00:00
Devang Patel
e2ff7f3a7d Strip llvm.dbg.lv also. 
llvm-svn: 104236
 2010-05-20 16:49:22 +00:00
Devang Patel
211746a69a Strip new llvm.dbg.value intrinsic. 
llvm-svn: 95807
 2010-02-10 21:19:56 +00:00
Benjamin Kramer
3838dfbaea Another strncmp -> StringRef.startswith simplification. 
llvm-svn: 94203
 2010-01-22 20:00:21 +00:00
Chris Lattner
a0566979b7 Final step in the metadata API restructuring: move the 
getMDKindID/getMDKindNames methods to LLVMContext (and add
convenience methods to Module), eliminating MetadataContext.
Move the state that it maintains out to LLVMContext.

llvm-svn: 92259
 2009-12-29 09:01:33 +00:00
Chris Lattner
2f2aa2b067 This is a major cleanup of the instruction metadata interfaces that 
I asked Devang to do back on Sep 27.  Instead of going through the
MetadataContext class with methods like getMD() and getMDs(), just
ask the instruction directly for its metadata with getMetadata()
and getAllMetadata().

This includes a variety of other fixes and improvements: previously
all Value*'s were bloated because the HasMetadata bit was thrown into
value, adding a 9th bit to a byte.  Now this is properly sunk down to
the Instruction class (the only place where it makes sense) and it
will be folded away somewhere soon.

This also fixes some confusion in getMDs and its clients about 
whether the returned list is indexed by the MDID or densely packed.
This is now returned sorted and densely packed and the comments make
this clear.

This introduces a number of fixme's which I'll follow up on.

llvm-svn: 92235
 2009-12-28 23:41:32 +00:00
Chris Lattner
7093946ab1 rename getMDKind -> getMDKindID, make it autoinsert if an MD Kind 
doesn't exist already, eliminate registerMDKind.  Tidy up a bunch
of random stuff.

llvm-svn: 92225
 2009-12-28 20:45:51 +00:00
Devang Patel
12144a2348 Remove debug info attached with an instruction. 
llvm-svn: 89016
 2009-11-17 00:47:06 +00:00
Devang Patel
ffd561bc2d llvm.dbg.global_variables do not exist anymore. 
llvm-svn: 85402
 2009-10-28 16:51:52 +00:00
Chris Lattner
a91a563530 Previously, all operands to Constant were themselves constant. 
In the new world order, BlockAddress can have a BasicBlock operand.
This doesn't permute much, because if you have a ConstantExpr (or
anything more specific than Constant) we still know the operand has
to be a Constant.

llvm-svn: 85375
 2009-10-28 05:14:34 +00:00
Devang Patel
27e0be274e Derive metadata hierarchy from Value instead of User. 
llvm-svn: 84801
 2009-10-21 23:57:35 +00:00
Nick Lewycky
88214fbd12 Remove VISIBILITY_HIDDEN from this file. 
llvm-svn: 80903
 2009-09-03 06:43:15 +00:00
Devang Patel
80ae34974b Reapply 79977. 
Use MDNodes to encode debug info in llvm IR.

llvm-svn: 80406
 2009-08-28 23:24:31 +00:00
Devang Patel
f08e35d9dc Revert 79977. It causes llvm-gcc bootstrap failures on some platforms. 
llvm-svn: 80073
 2009-08-26 05:01:18 +00:00
Devang Patel
02aac922b4 Update DebugInfo interface to use metadata, instead of special named llvm.dbg.... global variables, to encode debugging information in llvm IR. This is mostly a mechanical change that tests metadata support very well. 
This change speeds up llvm-gcc by more then 6% at "-O0 -g" (measured by compiling InstructionCombining.cpp!)

llvm-svn: 79977
 2009-08-25 05:24:07 +00:00
Dan Gohman
a6d0afcb74 Fix a bunch of namespace pollution. 
llvm-svn: 78363
 2009-08-07 01:32:21 +00:00
Devang Patel
ae5ead6df4 Use DebugInfoFinder. 
llvm-svn: 78333
 2009-08-06 20:53:06 +00:00
Owen Anderson
b292b8ce70 Move more code back to 2.5 APIs. 
llvm-svn: 77635
 2009-07-30 23:03:37 +00:00
Daniel Dunbar
6115b39ffd Remove Value::getName{Start,End}, the last of the old Name APIs. 
llvm-svn: 77152
 2009-07-26 09:48:23 +00:00
Owen Anderson
47db941fd3 Get rid of the Pass+Context magic. 
llvm-svn: 76702
 2009-07-22 00:24:57 +00:00
Chris Lattner
58f9bb2ccd implement a new magic global "llvm.compiler.used" which is like llvm.used, but 
doesn't cause ".no_dead_strip" to be emitted on darwin.

llvm-svn: 76399
 2009-07-20 06:14:25 +00:00
Owen Anderson
20b34ac794 Move the ConstantInt uniquing table into LLVMContextImpl. This exposed a number of issues in 
our current context-passing stuff, which is also fixed here

llvm-svn: 76089
 2009-07-16 18:04:31 +00:00
Owen Anderson
605a8c743f More LLVMContext-ification. 
llvm-svn: 74811
 2009-07-06 01:34:54 +00:00
Devang Patel
0751a28888 Remove debug info anchors - llvm.dbg.compile_units, llvm.dbg.subprograms 
and llvm.dbg.global_variables.

llvm-svn: 74251
 2009-06-26 01:49:18 +00:00
Dan Gohman
b17dcbdadc The second argument to RecursivelyDeleteTriviallyDeadInstructions has 
a default value, and will hopefully be going away soon.

llvm-svn: 70642
 2009-05-02 20:22:10 +00:00
Dale Johannesen
a4ac735531 Fix -strip-debug-declare to work when there are 
llvm.global.variable's but no llvm.declare's.

llvm-svn: 66977
 2009-03-13 22:59:47 +00:00
Devang Patel
4a1b0776b3 Remove llvm.dbg.global_variables also. 
llvm-svn: 66471
 2009-03-09 21:32:28 +00:00
Devang Patel
66f84e7a42 Add helper pass to remove llvm.dbg.declare intrinsics. 
llvm-svn: 66454
 2009-03-09 20:49:37 +00:00
Devang Patel
b833ce74d8 Recursively remove dead argument while removing llvm.dbg.declare intrinsic. 
llvm-svn: 65971
 2009-03-03 21:31:02 +00:00
Devang Patel
49d64927e1 Remove all dbg symobls, including those with circular references. 
This is ugly, but I can't figure out a quick way out of this.

llvm-svn: 65889
 2009-03-02 22:50:58 +00:00
Rafael Espindola
6de96a1b5d Add the private linkage. 
llvm-svn: 62279
 2009-01-15 20:18:42 +00:00
Devang Patel
c8b2fe1eed Do not forget llvm.dbg.declare's first argument while removing debugging information. 
llvm-svn: 59688
 2008-11-20 01:20:42 +00:00
Devang Patel
25662f3e4a Remove unused variables. 
llvm-svn: 59570
 2008-11-19 00:22:02 +00:00
Devang Patel
ebd2363339 Fix typo. 
llvm-svn: 59569
 2008-11-19 00:19:18 +00:00
Devang Patel
b5e867acff Add new helper pass that strips all symbol names except debugging information. 
This pass makes it easier to test wheter debugging info. influences optimization passes or not.

llvm-svn: 59552
 2008-11-18 21:34:39 +00:00
Devang Patel
3b7a2be88e Remove even more llvm.dbg variables. 
Remove all dead globals from llvm.metadata.
Ignore linkonce linkage for selected llvm.dbg values.

llvm-svn: 59547
 2008-11-18 21:13:41 +00:00
Chris Lattner
f8f6270f14 simplify loop 
llvm-svn: 59406
 2008-11-16 06:35:18 +00:00
Devang Patel
8ada1d5de5 Refactor code. 
Strip debug information before stripping symbol names. 

llvm-svn: 59328
 2008-11-14 22:49:37 +00:00