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6ecf50908c
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1890 Commits

Author SHA1 Message Date
Dan Gohman
6ecf50908c Make MBBMap a DenseMap instead of a std::map. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55220 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-23 02:44:46 +00:00
Dan Gohman
f350b277f3 Move the point at which FastISel taps into the SelectionDAGISel 
process up to a higher level. This allows FastISel to leverage
more of SelectionDAGISel's infastructure, such as updating Machine
PHI nodes.

Also, implement transitioning from SDISel back to FastISel in
the middle of a block, so it's now possible to go back and
forth. This allows FastISel to hand individual CallInsts and other
complicated things off to SDISel to handle, while handling the rest
of the block itself.

To help support this, reorganize the SelectionDAG class so that it
is allocated once and reused throughout a function, instead of
being completely reallocated for each block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55219 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-23 02:25:05 +00:00
Dan Gohman
6f17966a80 Move SelectionDAG's constructor out of line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55212 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-23 00:50:30 +00:00
Dan Gohman
3c8f36fd03 Reapply r55191 and r55192. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55205 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-22 21:28:19 +00:00
Bill Wendling
449416deb6 Reverting r55190, r55191, and r55192. They broke the build with this error message: 
{standard input}:17:bad register name `%sil'
make[4]: *** [libgcc/./_addvsi3.o] Error 1
make[4]: *** Waiting for unfinished jobs....
{standard input}:23:bad register name `%dil'
{standard input}:28:bad register name `%dil'
make[4]: *** [libgcc/./_addvdi3.o] Error 1
{standard input}:18:bad register name `%sil'
make[4]: *** [libgcc/./_subvsi3.o] Error 1



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55200 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-22 20:51:05 +00:00
Dan Gohman
e0182ec0e4 Support non-fallthrough unconditional branches in FastISel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55191 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-22 19:21:41 +00:00
Owen Anderson
a794ef7f5d Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55189 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-22 18:26:07 +00:00
Chris Lattner
2dba6a1bdb consolidate DenseMapInfo implementations, and add one for std::pair. 
Patch contributed by m-s.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55167 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-22 05:08:25 +00:00
Dan Gohman
22bb31103d Factor out the predicate check code from DAGISelEmitter.cpp 
and use it in FastISelEmitter.cpp, and make FastISel
subtarget aware. Among other things, this lets it work
properly on x86 targets that don't have SSE, where it
successfully selects x87 instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55156 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-22 00:20:26 +00:00
Dan Gohman
2bb1e3eede Add libcalls for the new rounding opcodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55133 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-21 18:38:14 +00:00
Dan Gohman
8471ef5f4e Fix a typo that Dale noticed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55132 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-21 18:13:12 +00:00
Dan Gohman
509e84fa71 Add libm-oriented ISD opcodes for rounding operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55130 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-21 17:55:02 +00:00
Dan Gohman
ad3460c3c9 Simplify SelectRoot's interface, and factor out some common code 
from all targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55124 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-21 16:36:34 +00:00
Dan Gohman
815ffa24c4 SelectionDAGISel::SelectRootInit does not need to be virtual. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55122 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-21 16:06:51 +00:00
Dan Gohman
ec20183c35 Make HandleSDNode::getValue return an SDValue instead of 
the full SDUse, which isn't needed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55121 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-21 16:02:46 +00:00
Dan Gohman
d5fe57d2f9 Basic fast-isel support for instructions with constant int operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55099 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-21 01:41:07 +00:00
Dan Gohman
7f92ebddd2 Improve the doxygen comment for SelectInstructions::SelectInstructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55094 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-21 00:19:43 +00:00
Dan Gohman
c7f72de3b4 Begin making more use of the FastISelEmitter class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55093 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-21 00:19:05 +00:00
Owen Anderson
cb37188323 Use raw_ostream throughout the AsmPrinter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55092 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-21 00:14:44 +00:00
Evan Cheng
83785c8096 First cut, un-optimized (and untested) fast isel lowering of GetElementPtrInst. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55085 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-20 22:45:34 +00:00
Dan Gohman
bb466331e7 Simplify FastISel's constructor argument list, make the FastISel 
class hold a MachineRegisterInfo member, and make the
MachineBasicBlock be passed in to SelectInstructions rather
than the FastISel constructor.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55076 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-20 21:05:57 +00:00
Dan Gohman
a267651b7e Disable DAGCombine's alignment inference in "fast" codegen mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55059 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-20 16:30:28 +00:00
Dan Gohman
b8d2f550b8 Change the FoldingSetNodeID usage for objects which carry 
alignment and volatility information, such as loads and
stores, to reduce the number of integer values added to
the FoldingSetNodeID.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55058 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-20 15:58:01 +00:00
Dan Gohman
cc8430f742 Fix a leak in the FastISel code that Chris pointed out. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55031 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-20 00:56:17 +00:00
Dan Gohman
bdedd44773 Add FastISel support for several more binary operators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55020 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-20 00:11:48 +00:00
Dan Gohman
40610241d0 Fix the FastISel class' doxygen comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54957 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-18 23:41:46 +00:00
Owen Anderson
d6664311ac Resurrect some ancient code to add spill ranges without attempting folding, remat, or splitting. This code has been updated to current APIs 
in so far as it compiles and, in theory, works, but does not take advantage of recent advancements.  For instance, it could be improved by using
MachineRegisterInfo::use_iterator.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54924 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-18 18:05:32 +00:00
Gordon Henriksen
5eca075b74 Rename some GC classes so that their roll will hopefully be clearer. 
In particular, Collector was confusing to implementors. Several
thought that this compile-time class was the place to implement
their runtime GC heap. Of course, it doesn't even exist at runtime.
Specifically, the renames are:

  Collector               -> GCStrategy
  CollectorMetadata       -> GCFunctionInfo
  CollectorModuleMetadata -> GCModuleInfo
  CollectorRegistry       -> GCRegistry
  Function::getCollector  -> getGC (setGC, hasGC, clearGC)

Several accessors and nested types have also been renamed to be
consistent. These changes should be obvious.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54899 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-17 18:44:35 +00:00
Anton Korobeynikov
2b11004d56 Link GC metadata printers by default to llc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54892 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-17 14:33:01 +00:00
Anton Korobeynikov
4a8978b61c Fix merge error 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54891 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-17 13:56:03 +00:00
Gordon Henriksen
5a29c9eed1 Factor GC metadata table assembly generation out of Collector in preparation for splitting AsmPrinter into its own library. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54881 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-17 12:56:54 +00:00
Gordon Henriksen
c317a60c27 Factor GC metadata table assembly generation out of Collector in preparation for splitting AsmPrinter into its own library. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54880 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-17 12:08:44 +00:00
Anton Korobeynikov
ffe31d7bf1 Move SLEB/ULEB size calculation routines from AsmPrinter to TargetAsmInfo. This makes JIT asmprinter-free. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54843 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-16 12:57:46 +00:00
Owen Anderson
79e6ed9d47 Move MachineInstr::getOpcode inline. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54807 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-14 23:25:30 +00:00
Dan Gohman
e285a74f7c Make FastISel's constructor protected, and give it a destructor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54793 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-14 21:51:29 +00:00
Dan Gohman
a8c763b307 Use empty() instead of begin() == end(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54780 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-14 18:13:49 +00:00
Owen Anderson
289983123b Expunge the last uses of std::map from LiveIntervals. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54766 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-13 22:28:50 +00:00
Owen Anderson
20e2839cb9 Move r2iMap_ over to DenseMap from std::map. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54765 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-13 22:08:30 +00:00
Owen Anderson
03857b29d8 Make the allocation of LiveIntervals explicit, rather than holding them in the r2iMap_ by value. This will prevent references to them from being invalidated 
if the map is changed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54763 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-13 21:49:13 +00:00
Owen Anderson
49bfdd63f4 Switch this from std::map to DenseMap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54761 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-13 21:24:24 +00:00
Dan Gohman
b0cf29c5cf Initial checkin of the new "fast" instruction selection support. See 
the comments in FastISelEmitter.cpp for details on what this is.
This is currently experimental and unusable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54751 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-13 20:19:35 +00:00
Dan Gohman
925a7e8ed6 Rename SelectionDAGISel's FastISel to Fast, to begin to make 
room for the new FastISel instruction selection code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54749 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-13 19:47:40 +00:00
Anton Korobeynikov
f5b6a47bb5 Handle visibility printing with all generality. Remove bunch of duplicate code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54540 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-08 18:25:07 +00:00
Bruno Cardoso Lopes
e36bfe678d Add the remaining fp_round libcalls: 
FPROUND_F80_F32, FPROUND_PPCF128_F32, 
FPROUND_F80_F64, FPROUND_PPCF128_F64

Support for soften float fp_round operands is added, Mips 
needs this to round f64->f32.

Also added support to soften float FABS result, Mips doesn't 
support double fabs results while in 'single float only' mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54484 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-07 19:01:24 +00:00
Matthijs Kooijman
b3e15c0008 Silence a warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54462 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-07 13:36:30 +00:00
Evan Cheng
39fd6e81b1 Factor code that finalize PHI nodes, jump tables, etc. out of SelectBasicBlock. No functionality changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54438 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-07 00:43:25 +00:00
Dan Gohman
6da38a05f6 Clarify "node" vs. "value" in some comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54409 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-06 15:18:10 +00:00
Dan Gohman
ec89a364b8 Correct an assertion string. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54348 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-05 14:42:28 +00:00
Owen Anderson
bd3ba461eb - 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54333 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-04 23:54:43 +00:00
Dan Gohman
0b12aef490 Move SelectionDAG::viewGraph() out of line; as an inline function 
it isn't always visible to gdb.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54228 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-30 18:48:53 +00:00