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32 Commits

Author SHA1 Message Date
Chris Lattner
a1266f8ed5 Pass extra regclasses into spilling code 
llvm-svn: 23537
 2005-09-30 01:29:42 +00:00
Chris Lattner
4a8f6d97ff Implement the isLoadFromStackSlot interface 
llvm-svn: 23387
 2005-09-19 05:23:44 +00:00
Chris Lattner
e894de1791 The simple isel being gone makes this dead! 
llvm-svn: 22914
 2005-08-19 18:32:03 +00:00
Misha Brukman
bf3f6181fd * Remove trailing whitespace 
* Convert tabs to spaces

llvm-svn: 21426
 2005-04-21 23:38:14 +00:00
Chris Lattner
555a585fd8 Code insertion methods now return void instead of an int. 
llvm-svn: 15780
 2004-08-15 22:15:11 +00:00
Chris Lattner
e58190f5f6 These methods no longer take a TargetRegisterClass* operand. 
llvm-svn: 15774
 2004-08-15 21:56:44 +00:00
Nate Begeman
fabece673b Eliminate MachineFunction& argument from eliminateFrameIndex in x86 Target. Get MachineFunction from MachineInstruction's parent's parent 
llvm-svn: 15739
 2004-08-14 22:05:10 +00:00
Alkis Evlogimenos
2b94b048a9 Another API change to MRegisterInfo::foldMemoryOperand. Instead of a 
MachineBasicBlock::iterator take a MachineInstr*.

llvm-svn: 12392
 2004-03-14 20:14:27 +00:00
Alkis Evlogimenos
ff9482b664 Change MRegisterInfo::foldMemoryOperand to return the folded 
instruction to make the API more flexible.

llvm-svn: 12386
 2004-03-14 07:19:51 +00:00
Chris Lattner
e227ae6b88 Change to match the newer, simpler, interface 
llvm-svn: 11525
 2004-02-17 05:54:57 +00:00
Alkis Evlogimenos
c4ec9111bb Add API to check and fold memory operands into instructions. 
llvm-svn: 11519
 2004-02-17 04:33:18 +00:00
Chris Lattner
f28479d600 The prologue/epilogue related method calls have no reason to return a value, 
make them return void.

This allows us to avoid some costly MBB.size() calls

llvm-svn: 11448
 2004-02-14 19:49:54 +00:00
Alkis Evlogimenos
94cab18bdc Change interface so that we can add to the end of a basic block 
without getting an assertion from ilist that we are dereferencing
ilist<T>::end().

llvm-svn: 11345
 2004-02-12 08:11:04 +00:00
Alkis Evlogimenos
b755d35fd2 Change MachineBasicBlock's vector of MachineInstr pointers into an 
ilist of MachineInstr objects. This allows constant time removal and
insertion of MachineInstr instances from anywhere in each
MachineBasicBlock. It also allows for constant time splicing of
MachineInstrs into or out of MachineBasicBlocks.

llvm-svn: 11340
 2004-02-12 02:27:10 +00:00
Brian Gaeke
d25f86d683 Put all LLVM code into the llvm namespace, as per bug 109. 
llvm-svn: 9903
 2003-11-11 22:41:34 +00:00
Alkis Evlogimenos
c6a7c83333 Change all machine basic block modifier functions in MRegisterInfo to 
return the number of instructions added to/removed from the basic block
passed as their first argument.

Note: This is only needed because we use a std::vector instead of an
ilist to keep MachineBasicBlock instructions. Inserting an instruction
to a MachineBasicBlock invalidates all iterators to the basic
block. The return value can be used to update an index to the machine
basic block instruction vector and circumvent the iterator elimination
problem but this is really not needed if we move to a better
representation.

llvm-svn: 9704
 2003-11-04 22:57:09 +00:00
John Criswell
de34542f41 Added LLVM copyright header. 
llvm-svn: 9321
 2003-10-21 15:17:13 +00:00
Chris Lattner
457b33f7e4 Switch over to TableGen generated register file description 
llvm-svn: 7511
 2003-08-03 15:48:14 +00:00
Chris Lattner
8dce81478f This method is long dead 
llvm-svn: 7460
 2003-08-01 03:48:42 +00:00
Chris Lattner
56a499f4ee Changes to match new MRegisterInfo api 
llvm-svn: 5187
 2002-12-28 20:32:54 +00:00
Chris Lattner
34940d2aa8 Adjustments to match new simpler spill interface 
llvm-svn: 5147
 2002-12-25 05:06:43 +00:00
Chris Lattner
0b617b0e1d Update to use new interface for register info 
llvm-svn: 5098
 2002-12-17 04:19:17 +00:00
Chris Lattner
4214ac384a Simplify interfaces used by regalloc to insert code 
llvm-svn: 5052
 2002-12-15 20:06:35 +00:00
Chris Lattner
caa325a559 * Simplify TargetRegisterClass implementations 
* Change regclass iterators to use an extra level of pointers

llvm-svn: 5047
 2002-12-15 18:40:36 +00:00
Misha Brukman
fb02408496 Added moveReg2Reg() and moveImm2Reg() to accomodate moving data around due to 
PHI nodes.

llvm-svn: 5001
 2002-12-13 09:54:12 +00:00
Misha Brukman
7dc6877ce2 Implemented functions for emitting prologues and epilogues; 
removed EBP from the list of callee-saved registers (it isn't one).

llvm-svn: 4929
 2002-12-04 23:57:03 +00:00
Misha Brukman
101076f586 storeReg2RegOffset() and loadRegOffset2Reg() now take the iterator by value 
instead of by reference, since they return the modified iterator.

llvm-svn: 4914
 2002-12-04 17:14:13 +00:00
Misha Brukman
6e1c4851ea Moved buildReg2RegClassMap() into from X86RegisterInfo to MRegisterInfo, since 
it is target-independent.

llvm-svn: 4911
 2002-12-04 16:47:04 +00:00
Misha Brukman
5639a6279e Added support for callee- and caller-save registers. 
llvm-svn: 4897
 2002-12-03 23:11:21 +00:00
Misha Brukman
02c0acabb9 Added methods to read/write values to stack in .h, fixed implementation in 
.cpp to return the iterator correctly.

llvm-svn: 4827
 2002-11-22 22:43:47 +00:00
Misha Brukman
96283090dc Add definitions for function headers from MRegisterInfo.h: 
Some functions are in X86RegisterInfo.cpp, others, because of the data they
need, are in X86RegisterClasses.cpp, which also defines some register classes:
byte, short, and int.

llvm-svn: 4784
 2002-11-20 18:59:43 +00:00
Chris Lattner
d25a097994 Initial checkin of X86 backend. 
We can instruction select exactly one instruction 'ret void'.  Wow.

llvm-svn: 4284
 2002-10-25 22:55:53 +00:00