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390 Commits

Author SHA1 Message Date
Chris Lattner
009de335ac add new apis for getting/setting !dbg metadata on 
instructions.  In addition to being a convenience,
they are faster than the old apis, particularly when
not going from an MDKindID like people should be
doing.

llvm-svn: 99982
 2010-03-31 03:34:40 +00:00
Daniel Dunbar
84b5ddc872 Remove dead include. 
llvm-svn: 98225
 2010-03-11 02:28:48 +00:00
Dale Johannesen
dd33104203 Move dbg_value generation to target-independent FastISel, 
as X86 is currently the only FastISel target.  Per review.

llvm-svn: 97255
 2010-02-26 20:01:55 +00:00
Dale Johannesen
3d1f1cccbb Fix comments to reflect renaming elsewhere. 
llvm-svn: 95730
 2010-02-10 00:11:11 +00:00
Chris Lattner
b06015aa69 move target-independent opcodes out of TargetInstrInfo 
into TargetOpcodes.h.  #include the new TargetOpcodes.h
into MachineInstr.  Add new inline accessors (like isPHI())
to MachineInstr, and start using them throughout the 
codebase.

llvm-svn: 95687
 2010-02-09 19:54:29 +00:00
Dale Johannesen
db2eb47835 After Victor's latest commits I am seeing null 
addresses in dbg.declare; ignore this for the
moment to prevent things from breaking.

llvm-svn: 95471
 2010-02-06 02:26:02 +00:00
Dale Johannesen
d5575f29f1 Generate DEBUG_VALUE comments on x86. The (limited) 
dbg.declare's we currently generate go through both
register allocators without perturbing the results.

llvm-svn: 94480
 2010-01-26 00:09:58 +00:00
Dale Johannesen
a3db6ef9a2 Revert 93811 per request. 
llvm-svn: 93818
 2010-01-19 00:10:52 +00:00
Dale Johannesen
0c90d43b70 Enable code to emit dbg.declare as DEBUG_VALUE 
comments (fast isel, X86).  This doesn't seem
to break any functionality, but will introduce
cases where -g affects the generated code.  I'll
be fixing that.

llvm-svn: 93811
 2010-01-18 23:34:55 +00:00
Victor Hernandez
b324e66f4c Improve llvm.dbg.declare intrinsic by referring directly to the storage in its first argument, via function-local metadata (instead of via a bitcast). 
This patch also cleans up code that expects there to be a bitcast in the first argument and testcases that call llvm.dbg.declare.
It also strips old llvm.dbg.declare intrinsics that did not pass metadata as the first argument.

llvm-svn: 93531
 2010-01-15 19:04:09 +00:00
Victor Hernandez
8d4904b639 Revert r93504 because older uses of llvm.dbg.declare intrinsics need to be auto-upgraded 
llvm-svn: 93515
 2010-01-15 17:36:47 +00:00
Victor Hernandez
5d6551816b Improve llvm.dbg.declare intrinsic by referring directly to the storage in its first argument, via function-local metadata (instead of via a bitcast). 
This patch also cleans up code that expects there to be a bitcast in the first argument and testcases that call llvm.dbg.declare.

llvm-svn: 93504
 2010-01-15 03:37:48 +00:00
Dan Gohman
f9d6d53823 Fix a typo in a comment. 
llvm-svn: 93227
 2010-01-12 04:30:26 +00:00
Dan Gohman
404a984780 Don't use the ISD::NodeType enum for SDNode opcodes, as CodeGen 
uses several kinds of opcode values which are not declared within
that enum. This fixes PR5946.

llvm-svn: 92794
 2010-01-05 22:26:32 +00:00
Devang Patel
33f80d2303 Delete renaming use of dead dbg intrinsics. 
Intrinsic::dbg_stoppoint
 Intrinsic::dbg_region_start
 Intrinsic::dbg_region_end
 Intrinsic::dbg_func_start

llvm-svn: 92672
 2010-01-05 01:47:06 +00:00
Chris Lattner
8e805be369 remove a bunch of unneeded functions. 
llvm-svn: 92263
 2009-12-29 09:32:19 +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
Bill Wendling
846ca9b38b Remove dead variable. 
llvm-svn: 92180
 2009-12-28 01:02:21 +00:00
Dan Gohman
18f94469dc Make TargetSelectInstruction protected and called from FastISel.cpp 
instead of SelectionDAGISel.cpp.

llvm-svn: 90636
 2009-12-05 01:27:58 +00:00
Chris Lattner
a48f44d9ee improve portability to avoid conflicting with std::next in c++'0x. 
Patch by Howard Hinnant!

llvm-svn: 90365
 2009-12-03 00:50:42 +00:00
Dan Gohman
1a6c47f1cb Rename SelectionDAGLowering to SelectionDAGBuilder, and rename 
SelectionDAGBuild.cpp to SelectionDAGBuilder.cpp.

llvm-svn: 89681
 2009-11-23 18:04:58 +00:00
Dan Gohman
ad97b3dbd0 Move some more code out of SelectionDAGBuild.cpp and into 
FunctionLoweringInfo.cpp.

llvm-svn: 89674
 2009-11-23 17:42:46 +00:00
Devang Patel
2904aa9f6e "Attach debug info with llvm instructions" mode was enabled a month ago. Now make it permanent and remove old way of inserting intrinsics to encode debug info for line number and scopes. 
llvm-svn: 87014
 2009-11-12 19:02:56 +00:00
Devang Patel
f6eeaebd76 Implement support to debug inlined functions. 
llvm-svn: 86748
 2009-11-10 23:06:00 +00:00
Duncan Sands
8e6ccb65df I don't see any point in having both eh.selector.i32 and eh.selector.i64, 
so get rid of eh.selector.i64 and rename eh.selector.i32 to eh.selector.
Likewise for eh.typeid.for.  This aligns us with gcc, which always uses a
32 bit value for the selector on all platforms.  My understanding is that
the register allocator used to assert if the selector intrinsic size didn't
match the pointer size, and this was the reason for introducing the two
variants.  However my testing shows that this is no longer the case (I
fixed some bugs in selector lowering yesterday, and some more today in the
fastisel path; these might have caused the original problems).

llvm-svn: 84106
 2009-10-14 16:11:37 +00:00
Devang Patel
d7ebfe3963 s/DebugLoc.CompileUnit/DebugLoc.Scope/g 
s/DebugLoc.InlinedLoc/DebugLoc.InlinedAtLoc/g

llvm-svn: 84054
 2009-10-13 23:28:53 +00:00
Devang Patel
df45c7f642 Extract scope information from the variable itself, instead of relying on alloca or llvm.dbg.declare location. 
While recording beginning of a function, use scope info from the first location entry instead of just relying on first location entry itself.

llvm-svn: 83684
 2009-10-09 22:42:28 +00:00
Devang Patel
4598eb6214 Add support to handle debug info attached to an instruction. 
This is not yet enabled.

llvm-svn: 83400
 2009-10-06 18:37:31 +00:00
Devang Patel
4dbca6dfd4 If location info is attached with an instruction then keep track of alloca slots used by a variable. This info will be used by AsmPrinter to emit debug info for variables. 
llvm-svn: 83189
 2009-10-01 01:03:26 +00:00
Dan Gohman
9cbef32726 Make fast-isel try ISD::FNEG before resorting to bitcasts and xors. 
llvm-svn: 81493
 2009-09-11 00:36:43 +00:00
Dan Gohman
89b090e51e Reapply r81171 with a fix: don't try to use i64 when it 
isn't legal.

llvm-svn: 81492
 2009-09-11 00:34:46 +00:00
Bob Wilson
59e4c84c6f Revert r81171 which was causing pr4927. 
llvm-svn: 81415
 2009-09-10 00:49:22 +00:00
Dan Gohman
2512a42548 Fix a thinko: When lowering fneg with xor, bitcast the operands 
from floating-point to integer first, and bitcast the result
back to floating-point. Previously, this test was passing by
falling back to SelectionDAG lowering. The resulting code isn't
as nice, but it's correct and CodeGen now stays on the fast path.

llvm-svn: 81171
 2009-09-07 23:47:14 +00:00
Dan Gohman
aa92dc1e61 LLVM currently represents floating-point negation as -0.0 - x. Fix 
FastISel to recognize this pattern and emit a floating-point
negation using xor.

llvm-svn: 80963
 2009-09-03 22:53:57 +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
Devang Patel
0939595711 Record variable debug info at ISel time directly. 
llvm-svn: 79742
 2009-08-22 17:12:53 +00:00
Owen Anderson
55f1c09e31 Push LLVMContexts through the IntegerType APIs. 
llvm-svn: 78948
 2009-08-13 21:58:54 +00:00
Owen Anderson
117c9e8497 Add contexts to some of the MVT APIs. No functionality change yet, just the infrastructure work needed to get the contexts to where they need to be first. 
llvm-svn: 78759
 2009-08-12 00:36:31 +00:00
Owen Anderson
c6daf8f17c Fix warnings. 
llvm-svn: 78725
 2009-08-11 21:59:30 +00:00
Owen Anderson
9f94459d24 Split EVT into MVT and EVT, the former representing _just_ a primitive type, while 
the latter is capable of representing either a primitive or an extended type.

llvm-svn: 78713
 2009-08-11 20:47:22 +00:00
Owen Anderson
53aa7a960c Rename MVT to EVT, in preparation for splitting SimpleValueType out into its own struct type. 
llvm-svn: 78610
 2009-08-10 22:56:29 +00:00
Owen Anderson
c30530d105 Start moving TargetLowering away from using full MVTs and towards SimpleValueType, which will simplify the privatization of IntegerType in the future. 
llvm-svn: 78584
 2009-08-10 18:56:59 +00:00
Owen Anderson
5a1acd9912 Move a few more APIs back to 2.5 forms. The only remaining ones left to change back are 
metadata related, which I'm waiting on to avoid conflicting with Devang.

llvm-svn: 77721
 2009-07-31 20:28:14 +00:00
Owen Anderson
edb4a70325 Revert the ConstantInt constructors back to their 2.5 forms where possible, thanks to contexts-on-types. More to come. 
llvm-svn: 77011
 2009-07-24 23:12:02 +00:00
Owen Anderson
47db941fd3 Get rid of the Pass+Context magic. 
llvm-svn: 76702
 2009-07-22 00:24:57 +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
53a52215b5 Begin the painful process of tearing apart the rat'ss nest that is Constants.cpp and ConstantFold.cpp. 
This involves temporarily hard wiring some parts to use the global context.  This isn't ideal, but it's
the only way I could figure out to make this process vaguely incremental.

llvm-svn: 75445
 2009-07-13 04:09:18 +00:00