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77 Commits

Author SHA1 Message Date
David Greene
070216fa44 Re-apply LiveInterval index dumping patch, with fixes suggested by Bill 
and others.

llvm-svn: 78003
 2009-08-03 21:55:09 +00:00
Daniel Dunbar
339c88008f Move more to raw_ostream, provide support for writing MachineBasicBlock, 
LiveInterval, etc to raw_ostream.

llvm-svn: 76965
 2009-07-24 10:36:58 +00:00
Chris Lattner
135caf1a2b revert r76602, 76603, and r76615, pending design discussions. 
llvm-svn: 76646
 2009-07-21 21:12:58 +00:00
David Greene
979d7aa03a Add PrefixPrinter arguments to the dump routines for MachineFunction and 
MachineBasicBlock.  We'll use these shortly.

llvm-svn: 76603
 2009-07-21 18:27:05 +00:00
Dan Gohman
5e839321f2 If a MachineBasicBlock has multiple ways of reaching another block, 
allow it to have multiple CFG edges to that block. This is needed
to allow MachineBasicBlock::isOnlyReachableByFallthrough to work
correctly. This fixes PR4126.

llvm-svn: 71018
 2009-05-05 21:10:19 +00:00
Dan Gohman
86e4d0130c Reapply 68073, with fixes. EH Landing-pad basic blocks are not 
entered via fall-through. Don't miss fallthroughs from blocks
terminated by conditional branches. Also, move
isOnlyReachableByFallthrough out of line.

llvm-svn: 68129
 2009-03-31 18:39:13 +00:00
Dan Gohman
abcfb30fc2 Constify arguments in isSuccessor and isLayoutSuccessor. 
llvm-svn: 68054
 2009-03-30 20:06:29 +00:00
Dan Gohman
321b716d84 Delete unnecessary parens around return values. 
llvm-svn: 61950
 2009-01-08 22:19:34 +00:00
Dan Gohman
30c5ce1b7d Switch the MachineOperand accessors back to the short names like 
isReg, etc., from isRegister, etc.

llvm-svn: 57006
 2008-10-03 15:45:36 +00:00
Dan Gohman
bf63ae1e29 Add a new MachineBasicBlock utility function, isLayoutSuccessor, that 
can be used when deciding if a block can transfer control to another
via a fall-through instead of a branch.

llvm-svn: 56968
 2008-10-02 22:09:09 +00:00
Dan Gohman
fa32c7c6d9 Remove isImm(), isReg(), and friends, in favor of 
isImmediate(), isRegister(), and friends, to avoid confusion
about having two different names with the same meaning. I'm
not attached to the longer names, and would be ok with
changing to the shorter names if others prefer it.

llvm-svn: 56189
 2008-09-13 17:58:21 +00:00
Dan Gohman
9653b21dc2 Fold the useful features of alist and alist_node into ilist, and 
a new ilist_node class, and remove them. Unlike alist_node,
ilist_node doesn't attempt to manage storage itself, so it avoids
the associated problems, including being opaque in gdb.

Adjust the Recycler class so that it doesn't depend on alist_node.
Also, change it to use explicit Size and Align parameters, allowing
it to work when the largest-sized node doesn't have the greatest
alignment requirement.

Change MachineInstr's MachineMemOperand list from a pool-backed
alist to a std::list for now.

llvm-svn: 54146
 2008-07-28 21:51:04 +00:00
Dan Gohman
f38f99ccc5 Re-introduce LeakDetector support for MachineInstrs and MachineBasicBlocks. 
Fix a leak that this turned up in LowerSubregs.cpp.
And, comment a leak in LiveIntervalAnalysis.cpp.

llvm-svn: 53746
 2008-07-17 23:49:46 +00:00
Dan Gohman
cd25487258 Pool-allocation for MachineInstrs, MachineBasicBlocks, and 
MachineMemOperands. The pools are owned by MachineFunctions.

This drastically reduces the number of calls to malloc/free made
during the "Emit" phase of scheduling, as well as later phases
in CodeGen. Combined with other changes, this speeds up the
"instruction selection" phase of CodeGen by 10% in some cases.

llvm-svn: 53212
 2008-07-07 23:14:23 +00:00
Mon P Wang
84a269e023 Added addition atomic instrinsics and, or, xor, min, and max. 
llvm-svn: 50663
 2008-05-05 19:05:59 +00:00
Evan Cheng
1a97cb159e - Check if a register is livein before removing it. It may have already been removed. 
- Do not iterate over SmallPtrSet, the order of iteration is not deterministic.

llvm-svn: 50209
 2008-04-24 09:06:33 +00:00
Evan Cheng
f8b1257d2e Add a quick and dirty "loop aligner pass". x86 uses it to align its loops to 16-byte boundaries. 
llvm-svn: 47703
 2008-02-28 00:43:03 +00:00
Bill Wendling
8fb166bf6c Rename PrintableName to Name. 
llvm-svn: 47629
 2008-02-26 21:47:57 +00:00
Bill Wendling
50f5c4be14 Change "Name" to "AsmName" in the target register info. Gee, a refactoring tool 
would have been a Godsend here!

llvm-svn: 47625
 2008-02-26 21:11:01 +00:00
Dan Gohman
cabaec582f Rename MRegisterInfo to TargetRegisterInfo. 
llvm-svn: 46930
 2008-02-10 18:45:23 +00:00
Chris Lattner
f4f5495b06 remove #includage 
llvm-svn: 45697
 2008-01-07 07:42:25 +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
f7f96d818f Rename MachineInstr::getInstrDescriptor -> getDesc(), which reflects 
that it is cheap and efficient to get.

Move a variety of predicates from TargetInstrInfo into 
TargetInstrDescriptor, which makes it much easier to query a predicate
when you don't have TII around.  Now you can use MI->getDesc()->isBranch()
instead of going through TII, and this is much more efficient anyway. Not
all of the predicates have been moved over yet.

Update old code that used MI->getInstrDescriptor()->Flags to use the
new predicates in many places.

llvm-svn: 45674
 2008-01-07 01:56:04 +00:00
Chris Lattner
39b56ec51b Implement automatically updated def/use lists for all MachineInstr register 
operands.  The lists are currently kept in MachineRegisterInfo, but it does
not yet provide an iterator interface to them.

llvm-svn: 45477
 2008-01-01 01:12:31 +00:00
Chris Lattner
d8b7ecd871 properly encapsulate the parent field of MBB and MI with get/set accessors. 
llvm-svn: 45469
 2007-12-31 04:56:33 +00:00
Chris Lattner
9e5cc35593 Add new shorter predicates for testing machine operands for various types: 
e.g. MO.isMBB() instead of MO.isMachineBasicBlock().  I don't plan on 
switching everything over, so new clients should just start using the 
shorter names.

Remove old long accessors, switching everything over to use the short
accessor: getMachineBasicBlock() -> getMBB(), 
getConstantPoolIndex() -> getIndex(), setMachineBasicBlock -> setMBB(), etc.

llvm-svn: 45464
 2007-12-30 23:10:15 +00:00
Chris Lattner
ad9a6ccb83 Remove attribution from file headers, per discussion on llvmdev. 
llvm-svn: 45418
 2007-12-29 20:36:04 +00:00
Dan Gohman
30ba45b569 Use empty() member functions when that's what's being tested for instead 
of comparing begin() and end().

llvm-svn: 42585
 2007-10-03 19:26:29 +00:00
Anton Korobeynikov
5b49f44609 Silence warning while compiling with gcc 4.2 
llvm-svn: 41676
 2007-09-02 22:11:14 +00:00
David Greene
ad230f223f Fix misue of iterator pointing to erased object. Uncovered by 
_GLIBCXX_DEBUG.

llvm-svn: 37793
 2007-06-29 02:45:24 +00:00
Evan Cheng
978058bcd7 Move CorrectExtraCFGEdges() from BranchFolding.cpp to a MachineBasicBlock method. 
llvm-svn: 37633
 2007-06-18 22:43:58 +00:00
Evan Cheng
0dbe4d04db Move ReplaceUsesOfBlockWith() out of BranchFolding into a MachineBasicBlock general facility. 
llvm-svn: 37408
 2007-06-04 06:44:01 +00:00
Evan Cheng
b4cc6606d5 Move isSuccessor() offline, change it to use std::find. 
llvm-svn: 37190
 2007-05-17 23:58:53 +00:00
Chris Lattner
c7f45f4572 print isLandingPad() for MBBs 
llvm-svn: 36600
 2007-04-30 23:12:53 +00:00
Evan Cheng
e7ba7ee5d8 Print preds / succs BB numbers. 
llvm-svn: 35040
 2007-03-09 08:29:08 +00:00
Evan Cheng
e4ab9c032b Re-apply my liveintervalanalysis changes. Now with PR1207 fixes. 
llvm-svn: 34428
 2007-02-19 21:49:54 +00:00
Reid Spencer
b27fcf3482 For PR1207: 
Revert patches that caused the problem. Evan, please investigate and reapply
when you've discovered the problem.

llvm-svn: 34399
 2007-02-19 03:20:00 +00:00
Evan Cheng
d45a3628a2 Added removeLiveIn. 
llvm-svn: 34381
 2007-02-17 11:10:48 +00:00
Evan Cheng
6dc088ffd4 Add live-ins to MachineBasicBlock. 
llvm-svn: 34111
 2007-02-10 02:38:19 +00:00
Jeff Cohen
c396e18e8e The best unbreakage yet, addressing Bill's concerns. 
llvm-svn: 32622
 2006-12-16 02:15:42 +00:00
Jeff Cohen
03161dd132 An even better unbreakage... 
llvm-svn: 32617
 2006-12-15 22:57:14 +00:00
Bill Wendling
4d1444725b Removed more <iostream> includes 
llvm-svn: 32321
 2006-12-07 20:28:15 +00:00
Evan Cheng
98fa7ab4d7 Change MachineInstr ctor's to take a TargetInstrDescriptor reference instead 
of opcode and number of operands.

llvm-svn: 31947
 2006-11-27 23:37:22 +00:00
Chris Lattner
3a34164b82 Implement operator<< for machine basic blocks to make it easier to dump them. 
llvm-svn: 31857
 2006-11-18 21:47:36 +00:00
Chris Lattner
131eb21cc7 add moveBefore/moveAfter helper methods 
llvm-svn: 31145
 2006-10-24 00:02:26 +00:00
Chris Lattner
ad60994822 print labels even if a MBB doesn't have a corresponding LLVM BB, just don't 
print the LLVM BB label.

llvm-svn: 30775
 2006-10-06 21:28:17 +00:00
Chris Lattner
5fc3bb074c MachineBasicBlock::splice was incorrectly updating parent pointers on 
instructions.

llvm-svn: 30760
 2006-10-06 01:12:44 +00:00
Chris Lattner
4dde0288ed Print the MBB ID # along with the bb tag in the -print-machine-instrs output. 
llvm-svn: 30708
 2006-10-03 20:17:24 +00:00
Chris Lattner
c628ee3402 print the preds of each MBB 
llvm-svn: 30606
 2006-09-26 03:41:59 +00:00
Owen Anderson
29e4d70aed Refactor a bunch of includes so that TargetMachine.h doesn't have to include 
TargetData.h.  This should make recompiles a bit faster with my current
TargetData tinkering.

llvm-svn: 28238
 2006-05-12 06:33:49 +00:00