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98adea1149
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7555 Commits

Author SHA1 Message Date
Dan Gohman
98adea1149 Rename SDep's isSpecial to isArtificial, to make this field a little 
less mysterious.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59782 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-21 02:18:56 +00:00
Bill Wendling
1c55a9c0cc Rename "ADDO" to "SADDO" and "UADDO". The "UADDO" isn't equivalent to "ADDC" 
because the boolean it returns to indicate an overflow may not be treated like
as a flag. It could be stored to memory, for instance.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59780 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-21 02:12:42 +00:00
Bill Wendling
7cdc3c8ad2 Implement the sadd_with_overflow intrinsic. This is converted into 
"ISD::ADDO". ISD::ADDO is lowered into a target-independent form that does the
addition and then checks if the result is less than one of the operands. (If it
is, then there was an overflow.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59779 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-21 02:03:52 +00:00
Bill Wendling
08c85d1209 Update comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59766 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-21 00:45:00 +00:00
Dan Gohman
c8c2827993 Implement ComputeLatency for MachineInstr ScheduleDAGs. Factor 
some of the latency computation logic out of the SDNode
ScheduleDAG code into a TargetInstrItineraries helper method
to help with this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59761 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-21 00:12:10 +00:00
Bill Wendling
ea7b527aa5 Add UADDO and SADDO nodes. These will be used for determining an overflow 
condition in an addition operation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59760 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-21 00:11:16 +00:00
Bill Wendling
e6ed6ecfb0 Introduce two new "add" intrinsics. These return the sum plus a bit indicating 
that an overflow/carry occured. These are converted into ISD::[SU]ADDO nodes,
which are lowered in a target-independent way into something sane. Eventually,
each target can implement their own method of checking the overflow/carry flags.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59756 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-21 00:05:31 +00:00
Dan Gohman
eb3904bc25 Delete redundant inline keywords. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59754 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 22:10:21 +00:00
Dan Gohman
33372a18c5 Doxygenate comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59753 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 22:09:52 +00:00
Bill Wendling
8449edf599 Reformatting. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59717 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 07:23:34 +00:00
Chris Lattner
0fbdfc3664 add an operator= to assign to smallstring. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59715 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 07:09:17 +00:00
Evan Cheng
d37c13cfd1 - Register scavenger should use MachineRegisterInfo and internal map to find the first use of a register after a given machine instruction. 
- When scavenging a register, in addition to the spill, insert a restore before the first use.
- Abort if client is looking to scavenge a register even when a previously scavenged register is still live.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59697 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 02:32:35 +00:00
Dan Gohman
a1e6d363e5 Factor out the code for verifying the work of the scheduler, 
extend it a bit, and make use of it in all schedulers, to
ensure consistent checking.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59689 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 01:26:25 +00:00
Dan Gohman
343f0c0467 Experimental post-pass scheduling support. Post-pass scheduling 
is currently off by default, and can be enabled with
-disable-post-RA-scheduler=false.

This doesn't have a significant impact on most code yet because it doesn't
yet do anything to address anti-dependencies and it doesn't attempt to
disambiguate memory references. Also, several popular targets
don't have pipeline descriptions yet.

The majority of the changes here are splitting the SelectionDAG-specific
code out of ScheduleDAG, so that ScheduleDAG can be moved to
libLLVMCodeGen.a. The interface between ScheduleDAG-using code and
the rest of the scheduling code is somewhat rough and will evolve.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59676 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 23:18:57 +00:00
Dan Gohman
7d1cd3f21d Move the code for printing a graph node label for an SUnit into 
a virtual method of SelectionDAG.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59667 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 22:09:45 +00:00
Dan Gohman
252ae9e8ae Convert SUnit's dump method into a print method and implement 
dump in terms of it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59665 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 21:32:03 +00:00
Devang Patel
dfca407c79 Do not use separate utility to walk all instructions and remove dead dbg intrinsics. Let instcombiner do this job. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59659 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 19:01:37 +00:00
Sanjiv Gupta
021f3f252e Int type for PIC16 is i16. Added i16 intrinsics for memmove, memcpy and memset. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59612 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 08:50:17 +00:00
Chris Lattner
16062ca93a add a write method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59595 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 06:45:06 +00:00
Daniel Dunbar
911cfdb7d7 LLVMC2: -emit-llvm stops compilation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59586 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 04:15:56 +00:00
Daniel Dunbar
ff6477b720 LLVMC2: Teach llvm_gcc_c tool about -include and -fsyntax-only. 
- Only focusing on llvm_gcc_c for now, eventually this needs to be
   refactored so it can be shared via all the gcc-like tools.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59582 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 02:59:00 +00:00
Evan Cheng
01f63cdb04 Fix indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59558 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 22:27:13 +00:00
Devang Patel
f17fc461d1 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59552 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 21:34:39 +00:00
Oscar Fuentes
56608780c3 CMake: Remove HAVE_LT_DLOPEN from config.h.cmake because it was 
removed from config.h.in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59546 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 21:12:01 +00:00
Dan Gohman
cbad42cfd1 Add more const qualifiers. This fixes build breakage from r59540. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59542 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 19:49:32 +00:00
Dan Gohman
b3b930a011 Make some methods const. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59540 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 19:04:29 +00:00
Dan Gohman
3dbc4e3502 Whitespace cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59532 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 17:05:42 +00:00
Bill Wendling
5734450d40 Rename stackprotector_create intrinsic to stackprotector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59519 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 11:01:33 +00:00
Nicolas Geoffray
67c8c4caba Implement support for JIT exceptions on X86_64. Relative offsets are 
encoded on 32 bytes, and the personality function is not encoded as
relative.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59516 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 10:44:46 +00:00
Bill Wendling
733bbc5320 Remove the stackprotector_check intrinsic. Use a volatile load instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59504 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 07:30:57 +00:00
Dan Gohman
3cc6243ddf Change SUnit's dump method to take a ScheduleDAG* instead of 
a SelectionDAG*.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59488 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 02:06:40 +00:00
Dan Gohman
e45b6f10e2 There is no InstrStage class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59480 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 01:05:04 +00:00
Mikhail Glushenkov
35fde15059 Support dependencies between plugins by priority-sorting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59449 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-17 17:30:25 +00:00
Mikhail Glushenkov
010887765a Add a layer of indirection to make plugins more flexible. 
Use strings instead of TableGen defs in the compilation graph
definition. Makes it easier for the plugins to modify an existing graph.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59447 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-17 17:29:18 +00:00
Zhongxing Xu
69e3bd10ec move partial template specialization to FoldingSet.h. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59434 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-17 02:40:00 +00:00
Zhongxing Xu
0cf717d6b8 Fix 80-col violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59394 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 04:44:41 +00:00
Chris Lattner
a236c89ee3 add a new m_Specific pattern that matches only if we have a specific Value*. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59393 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 04:38:30 +00:00
Chris Lattner
67abc10616 add a new template for matching a select between two constants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59391 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 04:33:10 +00:00
Zhongxing Xu
f5b55475b3 Add partial specialization of FoldingSetTrait for ImmutableList. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59387 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 04:23:49 +00:00
Zhongxing Xu
2c228834fc Fix 80-column violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59385 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 04:14:33 +00:00
Nick Lewycky
ac44d25bdd Clean up some strange whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59373 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-15 20:32:33 +00:00
Zhongxing Xu
2ef5d4cd6a Add Profile method to ImmutableList. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59362 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-15 09:26:02 +00:00
Oscar Fuentes
50925fbed4 CMake: Adds header and TableGen files to Visual Studio solution. A new 
dummy library, `llvm_headers_do_not_build', is created for containing
all header and TableGen files under include/llvm.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59346 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-15 02:08:08 +00:00
Oscar Fuentes
422fcf3837 CMake: Moved generation of Intrinsics.gen to 
include/llvm/CMakeLists.txt. Does it with the `tablegen' cmake macro.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59342 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-15 00:24:38 +00:00
Dan Gohman
7e6a1bc0fa Add support for building a ScheduleDAG from MachineInstrs. This is currently 
fairly conservative; it doesn't do alias-analysis queries and it doesn't
attempt to break anti-dependencies.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59324 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-14 21:47:58 +00:00
Richard Osborne
1d8f975890 Add XCore intrinsics for getid (returns thread id) and bitrev (reverses 
bits in a word).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59296 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-14 10:12:16 +00:00
Dan Gohman
59d5f1d13b Add a version of NewSUnit for creating units with MachineInstrs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59282 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-14 00:41:36 +00:00
Dan Gohman
f449bf36ef Initial support for carrying MachineInstrs in SUnits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59278 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-14 00:06:09 +00:00
Dan Gohman
ae78a88e12 Clarify the comment about NumPreds and NumSuccs to reflect that they only 
count non-control preds and succs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59276 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-13 23:41:41 +00:00
Dan Gohman
d23e0f81bc Remove the FlaggedNodes member from SUnit. Instead of requiring each SUnit 
to carry a SmallVector of flagged nodes, just calculate the flagged nodes
dynamically when they are needed.

The local-liveness change is due to a trivial scheduling change where
the scheduler arbitrary decision differently.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59273 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-13 23:24:17 +00:00