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917 Commits

Author SHA1 Message Date
Owen Anderson
600a8ca0d5 Convert uses of std::vector in TargetInstrInfo to SmallVector. This change had to be propoagated down into all the targets and up into all clients of this API. 
llvm-svn: 54802
 2008-08-14 22:49:33 +00:00
Evan Cheng
804e157031 Undo most of r54519. 
llvm-svn: 54534
 2008-08-08 17:56:50 +00:00
Evan Cheng
4708df4776 It's not legal to output a GV in a coalesced section if it's used in an ARM PIC relative constantpool. 
llvm-svn: 54519
 2008-08-08 06:56:16 +00:00
Anton Korobeynikov
d3009663dd Provide convenient helpers 
llvm-svn: 54451
 2008-08-07 09:51:54 +00:00
Anton Korobeynikov
ebd773939c Add hook for constant pool section selection for darwin. 
llvm-svn: 54449
 2008-08-07 09:51:02 +00:00
Anton Korobeynikov
d37daa2aeb Select section for constant pool entries 
llvm-svn: 54448
 2008-08-07 09:50:34 +00:00
Matthijs Kooijman
7f69239612 Remove trailing spaces. 
llvm-svn: 54447
 2008-08-07 09:00:46 +00:00
Owen Anderson
32ae9380f1 This option doesn't need to be a target option. It can be in SDISel instead. 
llvm-svn: 54336
 2008-08-05 00:27:28 +00:00
Owen Anderson
84fbc312d4 - Fix SelectionDAG to generate correct CFGs. 
- Add a basic machine-level dead block eliminator.

These two have to go together, since many other parts of the code generator are unable to handle the unreachable blocks otherwise created.

llvm-svn: 54333
 2008-08-04 23:54:43 +00:00
Dale Johannesen
f669e7c14f Add a flag to disable jump table generation (all 
switches use the binary search algorithm) for
environments that don't support it.  PPC64 JIT
is such an environment; turn the flag on for that.

llvm-svn: 54248
 2008-07-31 18:13:12 +00:00
Dan Gohman
9742f7772d Rename SDOperand to SDValue. 
llvm-svn: 54128
 2008-07-27 21:46:04 +00:00
Anton Korobeynikov
090eca95ab Tie small stuff to non-small by default on ELF platforms 
llvm-svn: 53919
 2008-07-22 17:09:41 +00:00
Bruno Cardoso Lopes
96ab649026 Basic support for small sections 
llvm-svn: 53907
 2008-07-22 15:26:53 +00:00
Anton Korobeynikov
5c0eb7e991 Use generic ELFTargetAsmInfo and DarwinTargetAsmInfo for X86 code 
llvm-svn: 53788
 2008-07-19 13:15:21 +00:00
Anton Korobeynikov
5298428cff Add TargetAsmInfo stuff for all darwin-based targets 
llvm-svn: 53787
 2008-07-19 13:14:46 +00:00
Anton Korobeynikov
3724600253 Add TargetAsmInfo for all ELF-based targets 
llvm-svn: 53786
 2008-07-19 13:14:11 +00:00
Dan Gohman
dd8c0b17bf Clarify the comments here, to make slightly more clear the 
difference in purpose of TargetInstrInfo and TargetInstrDesc,
which isn't immediately obvious from the name.

llvm-svn: 53683
 2008-07-16 16:02:59 +00:00
Anton Korobeynikov
80f0406385 Silence a warning 
llvm-svn: 53326
 2008-07-09 13:56:43 +00:00
Anton Korobeynikov
7b144cc108 Drop enum and use constants for SectionFlags 
llvm-svn: 53325
 2008-07-09 13:41:07 +00:00
Anton Korobeynikov
03614f247c First sketch of special section objects 
llvm-svn: 53320
 2008-07-09 13:28:49 +00:00
Anton Korobeynikov
3399dc61e5 Unbreak 
llvm-svn: 53317
 2008-07-09 13:27:37 +00:00
Anton Korobeynikov
1f697cd97b Another bunch of hacks for named sections support 
llvm-svn: 53315
 2008-07-09 13:26:52 +00:00
Anton Korobeynikov
933bf0ecc4 Add hacky way to distinguish named and named sections. This will be generalized in the future. 
llvm-svn: 53311
 2008-07-09 13:25:26 +00:00
Anton Korobeynikov
751cfda7dd Handle ELF mergeable sections 
llvm-svn: 53306
 2008-07-09 13:23:37 +00:00
Anton Korobeynikov
f42d75201a Provide general hook for section name calculation 
llvm-svn: 53304
 2008-07-09 13:22:46 +00:00
Anton Korobeynikov
c421fcddb4 Print entity size for mergeable sections 
llvm-svn: 53303
 2008-07-09 13:22:17 +00:00
Anton Korobeynikov
059999d321 Move flag decoding stuff into special hook 
llvm-svn: 53297
 2008-07-09 13:20:07 +00:00
Anton Korobeynikov
ca271dd426 Properly handle linkonce stuff 
llvm-svn: 53296
 2008-07-09 13:19:38 +00:00
Anton Korobeynikov
782a69505d Provide skeletone code for calculation of section, where global should be emitted into 
llvm-svn: 53295
 2008-07-09 13:19:08 +00:00
Anton Korobeynikov
c150d11dbd Make hooks virtual 
llvm-svn: 53293
 2008-07-09 13:18:21 +00:00
Anton Korobeynikov
5bc572ad96 Add default section name resolution routine 
llvm-svn: 53292
 2008-07-09 13:18:02 +00:00
Anton Korobeynikov
552675bb0f Constify 
llvm-svn: 53291
 2008-07-09 13:17:36 +00:00
Anton Korobeynikov
651865851c Add code for default section falgs computation 
llvm-svn: 53290
 2008-07-09 13:16:59 +00:00
Duncan Sands
3ea6f15708 Rather than having a different custom legalization 
hook for each way in which a result type can be
legalized (promotion, expansion, softening etc),
just use one: ReplaceNodeResults, which returns
a node with exactly the same result types as the
node passed to it, but presumably with a bunch of
custom code behind the scenes.  No change if the
new LegalizeTypes infrastructure is not turned on.

llvm-svn: 53137
 2008-07-04 11:47:58 +00:00
Duncan Sands
aac5c915ed Linux also does not require exception handling 
moves in order to get correct debug info.  Since
I can't imagine how any target could possibly
be any different, I've just stripped out the
option: now all the world's like Darwin!

llvm-svn: 53134
 2008-07-04 09:55:48 +00:00
Owen Anderson
604f9f722d Make LiveVariables even more optional, by making it optional in the call to TargetInstrInfo::convertToThreeAddressInstruction 
Also, if LV isn't around, then TwoAddr doesn't need to be updating flags, since they won't have been set in the first place.

llvm-svn: 53058
 2008-07-02 23:41:07 +00:00
Bill Wendling
27c38cee90 Darwin doesn't need exception handling information for the "move" info when 
debug information is being output, because it's leet!

llvm-svn: 52994
 2008-07-01 23:34:48 +00:00
Evan Cheng
5389352c98 Avoid creating expensive comment string if it's not going to be printed. 
llvm-svn: 52992
 2008-07-01 23:18:29 +00:00
Dan Gohman
83c1b4cede Prune a few dependencies on MachineFunction.h. 
llvm-svn: 52976
 2008-07-01 18:15:35 +00:00
Owen Anderson
fe73cb09c8 Make the subregister hashtable output more readable by wrapping the lines, 
and mark it const along with the associated changes to TargetRegisterInfo.

llvm-svn: 52966
 2008-07-01 17:34:38 +00:00
Owen Anderson
9e88ac84bf Implement suggestions from Chris: 
- Use a more accurate heuristic for the size of the hashtable.
  - Use bitwise and instead of modulo since the size is a power of two.
  - Use new[] instead of malloc().

llvm-svn: 52951
 2008-07-01 07:02:30 +00:00
Owen Anderson
059d64938b Replace the dynamically computed std::set lookup method for subregisters with a hashtable-based 
version that is computed by tblgen at the time LLVM is compiled.

llvm-svn: 52945
 2008-07-01 00:18:52 +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
Dan Gohman
e58f07e5d6 Update comments to new-style syntax. 
llvm-svn: 52925
 2008-06-30 21:00:56 +00:00
Dan Gohman
a44757308c Reorder the fields in TargetLowering to require less padding. 
llvm-svn: 52919
 2008-06-30 20:36:26 +00:00
Dan Gohman
7c7639816b Change bools to 1-bit bitfields to shrink ArgListEntry slightly. 
llvm-svn: 52918
 2008-06-30 20:33:57 +00:00
Dan Gohman
295abfe228 Replace some std::vectors that showed up in heap profiling with 
SmallVectors. Change the signature of TargetLowering::LowerArguments
to avoid returning a vector by value, and update the two targets
which still use this directly, Sparc and IA64, accordingly.

llvm-svn: 52917
 2008-06-30 20:31:15 +00:00
Evan Cheng
421919a049 Eliminate TargetRegisterDesc::ImmSubRegs. It's no longer in use. 
llvm-svn: 52892
 2008-06-30 07:32:56 +00:00
Anton Korobeynikov
9e8c154272 Start refactoring of asmprinters: provide a TAI hook, which will select a 'section kind' for a global. 
llvm-svn: 52868
 2008-06-28 13:45:57 +00:00
Owen Anderson
59ed35b2c2 Cache subregister relationships in a set in TargetRegisterInfo to allow faster lookups. 
This speeds up LiveVariables from 0.6279s to 0.6165s on kimwitu++.

llvm-svn: 52818
 2008-06-27 06:56:04 +00:00