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1288 Commits

Author SHA1 Message Date
Evan Cheng
2a533e6894 Revert 46556 and 46585. Dan please fix the PseudoSourceValue problem and re-commit. 
llvm-svn: 46623
 2008-01-31 21:00:00 +00:00
Evan Cheng
705212577d Add an extra operand to LABEL nodes which distinguishes between debug, EH, or misc labels. This fixes the EH breakage. However I am not convinced this is *the* solution. 
llvm-svn: 46609
 2008-01-31 09:59:15 +00:00
Christopher Lamb
1a102eecb0 Allow ComplexExpressions in InstrInfo.td files to be slightly more... complex! ComplexExpressions can now have attributes which affect how TableGen interprets 
the pattern when generating matchin code. 

The first (and currently, only) attribute causes the immediate parent node of the ComplexPattern operand to be passed into the matching code rather than the node at the root of the entire DAG containing the pattern.

llvm-svn: 46606
 2008-01-31 07:27:46 +00:00
Dan Gohman
4326d513ab Create a new class, MemOperand, for describing memory references 
in the backend. Introduce a new SDNode type, MemOperandSDNode, for
holding a MemOperand in the SelectionDAG IR, and add a MemOperand
list to MachineInstr, and code to manage them. Remove the offset
field from SrcValueSDNode; uses of SrcValueSDNode that were using
it are all all using MemOperandSDNode now.

Also, begin updating some getLoad and getStore calls to use the
PseudoSourceValue objects.

Most of this was written by Florian Brander, some
reorganization and updating to TOT by me.

llvm-svn: 46585
 2008-01-31 00:25:39 +00:00
Devang Patel
bfc534c67f Always put version numbers at the end because they are optional. 
llvm-svn: 46563
 2008-01-30 18:30:11 +00:00
Dan Gohman
f5b35ce0f9 Update this file for 2.0 syntax. 
llvm-svn: 46512
 2008-01-29 12:35:50 +00:00
Scott Michel
81b8a391a6 Fix to bug 1951: tblgen gratuitously renames variables when no temporary was 
generated. This feature would only show up in fairly complex patterns, such
as this one in CellSPU:

  def : Pat<(add (SPUhi tconstpool:$in, 0), (SPUlo tconstpool:$in, 0)),
	    (IOHLlo (ILHUhi tconstpool:$in), tconstpool:$in)>;

which generated the following emit code:

SDNode *Emit_0(const SDOperand &N, unsigned Opc0, unsigned Opc1, MVT::ValueType VT0, MVT::ValueType VT1) DISABLE_INLINE {
  SDOperand N0 = N.getOperand(0);
  SDOperand N00 = N0.getOperand(0);
  SDOperand N01 = N0.getOperand(1);
  SDOperand N1 = N.getOperand(1);
  SDOperand N10 = N1.getOperand(0);
  SDOperand N11 = N1.getOperand(1);
  SDOperand Tmp3(CurDAG->getTargetNode(Opc0, VT0, N00), 0);
  return CurDAG->SelectNodeTo(N.Val, Opc1, VT1, Tmp3, Tmp2); /* Tmp2 s/b N00 */
}

Tested against the test suites without incident.

llvm-svn: 46487
 2008-01-29 02:29:31 +00:00
Anton Korobeynikov
f3813b1d76 Add interator interface to DAGInit also 
llvm-svn: 46250
 2008-01-22 11:00:07 +00:00
Anton Korobeynikov
7aff8f1a5d Provide iterator access to ListInit contents 
llvm-svn: 46223
 2008-01-21 22:30:26 +00:00
Evan Cheng
0c07bad50f Fix makefiles to enable Apply style debug build. 
llvm-svn: 46180
 2008-01-18 21:01:00 +00:00
Devang Patel
426d7eaab5 Enable CBE 
llvm-svn: 46112
 2008-01-17 02:10:08 +00:00
Chuck Rose III
7dfc302a45 Add files to windows project files. Also include <algorithm> explicitly so that vstudio build works 
llvm-svn: 46013
 2008-01-15 21:43:17 +00:00
Evan Cheng
d7403ac663 Rename CCIfStruct to CCIfByVal and CCStructAssign to CCPassByVal. Remove unused parameters of CCStructAssign and add size and alignment requirement info. 
llvm-svn: 45997
 2008-01-15 03:34:58 +00:00
Evan Cheng
fceb25b8e6 Revert my last commit. Not needed. 
llvm-svn: 45994
 2008-01-15 03:10:35 +00:00
Evan Cheng
672ba05b73 Need a space to separate Make options. 
llvm-svn: 45964
 2008-01-14 17:58:03 +00:00
Evan Cheng
01ee195d38 Add -disable-lto optimization. 
llvm-svn: 45900
 2008-01-12 04:27:18 +00:00
Evan Cheng
2e84453e5b ByVal arguments are passed on stack. Make sure to allocate a slot using size and alignment information on the parameter attribute. 
llvm-svn: 45897
 2008-01-12 01:07:41 +00:00
Chris Lattner
bfffa4f21e Simplify the side effect stuff a bit more and make licm/sinking 
both work right according to the new flags.

This removes the TII::isReallySideEffectFree predicate, and adds
TII::isInvariantLoad. 

It removes NeverHasSideEffects+MayHaveSideEffects and adds
UnmodeledSideEffects as machine instr flags.  Now the clients
can decide everything they need.

I think isRematerializable can be implemented in terms of the
flags we have now, though I will let others tackle that.

llvm-svn: 45843
 2008-01-10 23:08:24 +00:00
Chris Lattner
9d7971791b Start inferring side effect information more aggressively, and fix many bugs in the 
x86 backend where instructions were not marked maystore/mayload, and perf issues where
instructions were not marked neverHasSideEffects.  It would be really nice if we could
write patterns for copy instructions.

I have audited all the x86 instructions down to MOVDQAmr.  The flags on others and on
other targets are probably not right in all cases, but no clients currently use this
info that are enabled by default.

llvm-svn: 45829
 2008-01-10 07:59:24 +00:00
Chris Lattner
64104d9b2f Fix a crash on code like: let x = 1 {x 
llvm-svn: 45827
 2008-01-10 07:01:53 +00:00
Chris Lattner
e3584964b8 if an instr lacks a pattern, assume it has side effects (unless never has s-e is true). 
llvm-svn: 45823
 2008-01-10 05:40:54 +00:00
Chris Lattner
6a41e14ee2 start inferring 'no side effects'. 
llvm-svn: 45822
 2008-01-10 05:39:30 +00:00
Chris Lattner
bd352f9008 Infer mayload 
llvm-svn: 45819
 2008-01-10 04:44:48 +00:00
Chris Lattner
c656c40445 realize that instructions who match intrinsics that read memory read memory. 
Also, instructions with any nodes that are SDNPMayLoad also read memory.

llvm-svn: 45817
 2008-01-10 04:38:57 +00:00
Chris Lattner
9b7b3ade8f add a mayLoad property for machine instructions, a correlary to mayStore. 
This is currently not set by anything.

llvm-svn: 45748
 2008-01-08 18:05:21 +00:00
Chris Lattner
f83aae613c rename TargetInstrDescriptor -> TargetInstrDesc. 
Make MachineInstr::getDesc return a reference instead
of a pointer, since it can never be null.

llvm-svn: 45695
 2008-01-07 07:27:27 +00:00
Chris Lattner
57e851edfe Rename all the M_* flags to be namespace qualified enums, and switch 
all clients over to using predicates instead of these flags directly.
These are now private values which are only to be used to statically
initialize the tables.

llvm-svn: 45692
 2008-01-07 06:42:05 +00:00
Chris Lattner
9b987de2c5 rename hasVariableOperands() -> isVariadic(). Add some comments. 
Evan, please review the comments I added to getNumDefs to make sure
that they are accurate, thx.

llvm-svn: 45687
 2008-01-07 05:19:29 +00:00
Chris Lattner
b0e50db817 Move M_* flags down in the file. Move SchedClass up in the 
TargetInstrDescriptor class and shrink to 16-bits, saving a 
word in TargetInstrDescriptor.  Add some comments.

llvm-svn: 45686
 2008-01-07 05:06:49 +00:00
Chris Lattner
26171363b9 the name field of instructions is never set to a non-empty string, 
just unconditionally use the def name of the instruction.

llvm-svn: 45684
 2008-01-07 04:57:31 +00:00
Chris Lattner
93e1e6ee12 Add predicates methods to TargetOperandInfo, and switch all clients 
over to using them, instead of diddling Flags directly.  Change the
various flags from const variables to enums.

llvm-svn: 45677
 2008-01-07 02:39:19 +00:00
Chris Lattner
14310afe42 rename isLoad -> isSimpleLoad due to evan's desire to have such a predicate. 
llvm-svn: 45667
 2008-01-06 23:38:27 +00:00
Chris Lattner
5489888580 rename isStore -> mayStore to more accurately reflect what it captures. 
llvm-svn: 45656
 2008-01-06 08:36:04 +00:00
Chris Lattner
8b4b75c771 Change the 'isStore' inferrer to look for 'SDNPMayStore' 
instead of "ISD::STORE".  This allows us to mark target-specific dag
nodes as storing (such as ppc byteswap stores).  This allows us to remove
more explicit isStore flags from the .td files.

Finally, add a warning for when a .td file contains an explicit 
isStore and tblgen is able to infer it.

llvm-svn: 45654
 2008-01-06 06:44:58 +00:00
Chris Lattner
01d46ed7cc set the 'isstore' flag for instructions whose pattern is an 
intrinsic that writes to memory.

llvm-svn: 45650
 2008-01-06 05:36:50 +00:00
Chris Lattner
ed75a9c636 remove some old hacky code that tried to infer whether a store 
occured in a pattern, but failed miserably.  The new code works for
any instruction that has a store in its pattern, including all the 
x86 mem op mem instructions.

The only target-independent code that uses this is branch folding,
so this won't change anything in practice.

llvm-svn: 45648
 2008-01-06 02:16:26 +00:00
Chris Lattner
51500436de rearrange some code to allow inferring instr info from the pattern of the instr, but don't do so yet. 
llvm-svn: 45647
 2008-01-06 01:53:37 +00:00
Chris Lattner
7414f541ca improve const correctness. 
llvm-svn: 45646
 2008-01-06 01:52:22 +00:00
Chris Lattner
e9f0c9b6f9 Split the impl of CodeGenInstruction out to its own .cpp file, add a getName() accessor. 
llvm-svn: 45645
 2008-01-06 01:35:39 +00:00
Chris Lattner
e0f76407f9 final cleanups. 
llvm-svn: 45644
 2008-01-06 01:21:51 +00:00
Chris Lattner
4eecc7c085 further simplifications and cleanup 
llvm-svn: 45643
 2008-01-06 01:20:13 +00:00
Chris Lattner
1d89a5f45d simplify some code 
llvm-svn: 45642
 2008-01-06 01:12:44 +00:00
Chris Lattner
1a15091e2d rename CodegenDAGPatterns -> CodeGenDAGPatterns 
llvm-svn: 45641
 2008-01-06 01:10:31 +00:00
Chris Lattner
5675305d1a split enum emission out from InstrInfoEmitter into it's own tblgen backend. 
llvm-svn: 45640
 2008-01-06 00:49:05 +00:00
Chris Lattner
95fa0c3c8d fix build on case sensitive file systems. 
llvm-svn: 45639
 2008-01-05 23:37:52 +00:00
Chris Lattner
e61657979a now that computing CodegenDAGPatterns doesn't implicitly print stuff 
out, DAGISelEmitter can compute it in its ctor, which simplifies some code.

Now we can use CodegenDAGPatterns in other parts of tblgen that want access
to dag pattern info, woo!

llvm-svn: 45636
 2008-01-05 22:58:54 +00:00
Chris Lattner
521466d0d1 move Node Transformation printing from CodeGenDAGPatterns -> DAGISelEmitter. 
The only difference in output is that we now print them in alphabetical 
order instead of reverse alphabetical order.

llvm-svn: 45635
 2008-01-05 22:54:53 +00:00
Chris Lattner
2fb8b5aaf9 move predicate printing code from CodeGenDAGPatterns -> DAGISelEmitter. 
llvm-svn: 45634
 2008-01-05 22:43:57 +00:00
Chris Lattner
a66efc2de9 fix a fixme by improving const correctness. 
llvm-svn: 45633
 2008-01-05 22:30:17 +00:00
Chris Lattner
3cd393b5ab change getQualifiedName to be a global function. 
Split the pattern parsing code out from the dag isel emitter into it's own file.

No functionality change.

llvm-svn: 45632
 2008-01-05 22:25:12 +00:00