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Commit Graph

187 Commits

Author SHA1 Message Date
Dale Johannesen
c9f253214e Fix comments to reflect renaming elsewhere.
llvm-svn: 95730
2010-02-10 00:11:11 +00:00
Chris Lattner
7acf9be6c4 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
83f31d3511 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
d75f9dc3ff 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
e1ba7ecf45 Revert 93811 per request.
llvm-svn: 93818
2010-01-19 00:10:52 +00:00
Dale Johannesen
0b8b2713d3 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
c1b5223e76 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
97d7107d5e 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
aee71b4e81 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
da0bcb49b5 Fix a typo in a comment.
llvm-svn: 93227
2010-01-12 04:30:26 +00:00
Dan Gohman
9ef9e2c758 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
9c02d20409 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
d981b3fc91 remove a bunch of unneeded functions.
llvm-svn: 92263
2009-12-29 09:32:19 +00:00
Chris Lattner
9ec640a902 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
cd3aa9d1ff 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
008e2e1e7f Remove dead variable.
llvm-svn: 92180
2009-12-28 01:02:21 +00:00
Dan Gohman
c9454cd34f 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
9ce833945e 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
d23a0a12d9 Rename SelectionDAGLowering to SelectionDAGBuilder, and rename
SelectionDAGBuild.cpp to SelectionDAGBuilder.cpp.

llvm-svn: 89681
2009-11-23 18:04:58 +00:00
Dan Gohman
b0befa7c20 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
c024e96ca3 "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
5c983cb2ab Implement support to debug inlined functions.
llvm-svn: 86748
2009-11-10 23:06:00 +00:00
Duncan Sands
4fcf6123dd 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
72f708ec2f 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
c97c44b584 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
1639c0e45a 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
d24ba7a101 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
685eb70d06 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
964c0b8333 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
76cffeddd1 Revert r81171 which was causing pr4927.
llvm-svn: 81415
2009-09-10 00:49:22 +00:00
Dan Gohman
572ecc26b6 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
c24fb1af4f 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
fbaeda732e Reapply 79977.
Use MDNodes to encode debug info in llvm IR.

llvm-svn: 80406
2009-08-28 23:24:31 +00:00
Devang Patel
10c075a316 Revert 79977. It causes llvm-gcc bootstrap failures on some platforms.
llvm-svn: 80073
2009-08-26 05:01:18 +00:00
Devang Patel
7d42bfab6c 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
c071d6c1b4 Record variable debug info at ISel time directly.
llvm-svn: 79742
2009-08-22 17:12:53 +00:00
Owen Anderson
9df206d02d Push LLVMContexts through the IntegerType APIs.
llvm-svn: 78948
2009-08-13 21:58:54 +00:00
Owen Anderson
dbf9a912fb 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
75ebfc8728 Fix warnings.
llvm-svn: 78725
2009-08-11 21:59:30 +00:00
Owen Anderson
48f2f0ae72 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
b4bce99769 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
dcb47bda67 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
1dc40e205b 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
cc33e89571 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
cc287b28c9 Get rid of the Pass+Context magic.
llvm-svn: 76702
2009-07-22 00:24:57 +00:00
Owen Anderson
21d2d69727 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
393d8b0a0c 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
Devang Patel
5f93a737f6 Simplify debug info intrisinc lowering.
llvm-svn: 74733
2009-07-02 22:43:26 +00:00
Devang Patel
735f7d53ca Simplify.
llvm-svn: 74677
2009-07-02 00:28:03 +00:00
Devang Patel
9149c185a4 llvm.dbg.declare is always used for local variable's debug info.
llvm-svn: 74625
2009-07-01 18:51:07 +00:00