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433 Commits

Author SHA1 Message Date
Chris Lattner
7cdc2977f0 Change MachineBasicBlock's to not be Annotations, instead they are kept as 
part of a linked list tracked by MachineFunction.  MachineBasicBlock::get
is now linear time instead of constant time, and thus is deprecated!

llvm-svn: 4337
 2002-10-28 05:30:46 +00:00
Chris Lattner
89a424167f Make Scheduling Class variables be 'unsigned' instead of 'int' 
llvm-svn: 4333
 2002-10-28 04:53:02 +00:00
Chris Lattner
e309cdbc95 Rename the redundant MachineOperand::getOperandType() to MachineOperand::getType() 
llvm-svn: 4331
 2002-10-28 04:45:29 +00:00
Chris Lattner
7000bbb63f Fairly major overhaul of MachineInstr & Operand classes 
- Inline methods that are mostly a single line anyway
  - Eliminate several methods that were never called
  - Group methods a bit more consistently

llvm-svn: 4329
 2002-10-28 04:24:49 +00:00
Chris Lattner
dd22b9e8b6 Add #includes now that MachineInstr.h doesn't include llvm/Target/MachineInstrInfo.h 
llvm-svn: 4327
 2002-10-28 02:28:39 +00:00
Chris Lattner
a7e9d3e90f Don't #include <Support/*>, #include "Support/*" 
llvm-svn: 4325
 2002-10-28 02:11:53 +00:00
Chris Lattner
df1d87f5f3 *** empty log message *** 
llvm-svn: 4323
 2002-10-28 02:01:37 +00:00
Chris Lattner
6b66fadf2c MachineFunction now includes MachineBasicBlock so there is no need to 
reinclude it

llvm-svn: 4322
 2002-10-28 02:01:35 +00:00
Chris Lattner
b8c6acfbc0 Rename MachineCodeForBasicBlock to MachineBasicBlock 
llvm-svn: 4318
 2002-10-28 01:41:47 +00:00
Chris Lattner
ef1475aa32 *** empty log message *** 
llvm-svn: 4317
 2002-10-28 01:41:27 +00:00
Chris Lattner
4f2c612b21 Inline some methods from .cpp files into .h files, minor cleanups 
llvm-svn: 4313
 2002-10-28 01:21:55 +00:00
Chris Lattner
61e42343e5 Minor cleanups 
llvm-svn: 4312
 2002-10-28 01:16:38 +00:00
Chris Lattner
33b00d8186 Move machine code generation/destruction passes out of Sparc.cpp because 
they are generic

llvm-svn: 4310
 2002-10-28 01:12:41 +00:00
Chris Lattner
ce3ede5938 Prune #includes 
llvm-svn: 4307
 2002-10-28 01:02:51 +00:00
Chris Lattner
ffa0482331 Updates to match misha's changes 
llvm-svn: 4302
 2002-10-28 00:37:53 +00:00
Misha Brukman
142795fd17 Changed MachineCodeForMethod' to MachineFunction'. 
llvm-svn: 4301
 2002-10-28 00:28:31 +00:00
Chris Lattner
a952881e00 Initial checkin of codegen infrastructure for LLVM-JIT 
llvm-svn: 4282
 2002-10-25 22:54:41 +00:00
Chris Lattner
47508d5c0f Tell PassManager that this pass does not invalidate the CFG so that dominator 
information and Loop info will not have to be recomputed after this runs.

llvm-svn: 4269
 2002-10-23 03:30:47 +00:00
Chris Lattner
b8ffbe6966 Ensure definate initialization 
llvm-svn: 4263
 2002-10-22 23:34:11 +00:00
Chris Lattner
dfc8fbf16b - Two minor improvements to the MachineInstr class to reduce footprint and 
overhead: Merge 3 parallel vectors into 1, change regsUsed hash_set to be a
    bitvector.  Sped up LLC a little less than 10% in a debug build!

llvm-svn: 4261
 2002-10-22 23:16:21 +00:00
Vikram S. Adve
3a54b695ce Significant improvement: GEP used by a load or store no longer generates 
a separate ADD; instead just use the indexed load/store instruction!
Also, a bug fix: folding a GEP with a leading non-zero index with
its predecessor was incorrect: now it only happens if the predecessor
is pointing to an indexable type (aka SequentialType).

llvm-svn: 4168
 2002-10-14 16:30:55 +00:00
Vikram S. Adve
e18a54c249 Use vectors instead of hash_maps for issueGaps and conflictLists. 
These hash lookups were a major sink of time because they happen so often!
Also, add option to disable scheduling.

llvm-svn: 4138
 2002-10-13 00:40:37 +00:00
Vikram S. Adve
211f972d28 Major bug fix: was not adding CD edges for RETURNs! 
llvm-svn: 4137
 2002-10-13 00:39:22 +00:00
Vikram S. Adve
be4905b56a Major bug fix: spill code for an instruction in a delay slot was 
merrily being inserted before/after the instruction!

llvm-svn: 4116
 2002-10-11 16:12:40 +00:00
Vikram S. Adve
f19f08c3ab Don't pad variables in stack slots for performance! 
llvm-svn: 4115
 2002-10-11 16:10:53 +00:00
Vikram S. Adve
01e64b5eef Bug fix in folding getElementPtr instructions: don't fold one into 
a predecessor if it has a non-zero first index and the predecessor
ends with a struct index.

llvm-svn: 3982
 2002-09-29 22:55:05 +00:00
Vikram S. Adve
69d19cf9a9 Convert DIRS to PARALLEL_DIRS. They can be built independently. 
llvm-svn: 3972
 2002-09-29 11:52:14 +00:00
Vikram S. Adve
59778ef96d Added a couple of helper methods for live range construction. 
llvm-svn: 3970
 2002-09-28 17:05:43 +00:00
Vikram S. Adve
2710051771 Live ranges for Return value and return address of a Call are now 
created here, simply by handling all implicit operands (which should
have been done anyway).

llvm-svn: 3969
 2002-09-28 17:05:22 +00:00
Vikram S. Adve
7e39b876eb Fixed method getReturnValue(): it should return NULL if the 
callee does not return a value.

llvm-svn: 3968
 2002-09-28 17:03:54 +00:00
Vikram S. Adve
7c0175962a Fixed incorrect assertion: spill code for function ptr should be 
handled like normal operands, not like other call arguments.

llvm-svn: 3967
 2002-09-28 17:02:40 +00:00
Vikram S. Adve
c795b90eac Sign-extend integer constants from original type size to 64 bits! 
llvm-svn: 3958
 2002-09-27 14:26:20 +00:00
Vikram S. Adve
07a33b5553 Add method IGNode::getCombinedDegree to count the sum of the degrees 
of two nodes, excluding duplicates.

llvm-svn: 3848
 2002-09-20 00:55:04 +00:00
Vikram S. Adve
1d139cf8de Add PostOpts/ and rename PreSelection/ to PreOpts/. 
llvm-svn: 3847
 2002-09-20 00:53:53 +00:00
Vikram S. Adve
47303cde2d Add method MachineInstr::replace to rewrite a machine instruction in place. 
llvm-svn: 3843
 2002-09-20 00:47:49 +00:00
Vikram S. Adve
ccb33335a3 Allow copy coalescing in more cases: if sum of node degrees is more than 
than #available regs, compute the sum excluding duplicates and if that
is less than #regs, go ahead and coalesce.
Add method IGNode::getCombinedDegree to count excluding duplicates.

llvm-svn: 3842
 2002-09-20 00:45:47 +00:00
Vikram S. Adve
82b15d7253 Peephole optimization pass on final machine code. 
llvm-svn: 3840
 2002-09-20 00:42:11 +00:00
Vikram S. Adve
8dc14ec198 Files moved to CodeGen/PreOpts. 
llvm-svn: 3839
 2002-09-20 00:30:46 +00:00
Vikram S. Adve
6f0ad9998b Moving these files from Code/PreSelection to here. 
Original logs for PreSelection.cpp:

  revision 1.2
  date: 2002/09/17 23:50:32;  author: lattner;  state: Exp;  lines: +1 -3
  Don't put default parameter values into .cpp files, it breaks 3.x compilers

  revision 1.1
  date: 2002/09/16 15:31:13;  author: vadve;  state: Exp;
  New preselection pass that specializes LLVM code for a target machine,
  while remaining in legal portable LLVM form and preserving type
  information and type safety.

llvm-svn: 3838
 2002-09-20 00:29:28 +00:00
Chris Lattner
86e6e0f6e3 Don't put default parameter values into .cpp files, it breaks 3.x compilers 
llvm-svn: 3799
 2002-09-17 23:50:32 +00:00
Chris Lattner
7c1b7e5889 Add support for GCC 2.96 
llvm-svn: 3777
 2002-09-17 17:23:09 +00:00
Vikram S. Adve
04cace44d8 Add subdirectory PreSelection. 
llvm-svn: 3739
 2002-09-16 15:32:07 +00:00
Vikram S. Adve
a5b251ed67 New preselection pass that specializes LLVM code for a target machine, 
while remaining in legal portable LLVM form and preserving type
information and type safety.

llvm-svn: 3738
 2002-09-16 15:31:13 +00:00
Vikram S. Adve
3d9c3e8751 Dump routine now writes out allocated register numbers if available. 
llvm-svn: 3737
 2002-09-16 15:18:53 +00:00
Vikram S. Adve
df1e95af82 Improve and fix error in allocating stack slots: adjust alignment after adding 
base address of the relevant region (instead of assuming that each region
is maximally aligned).

llvm-svn: 3736
 2002-09-16 15:18:16 +00:00
Vikram S. Adve
533c888d4a Add a version of ChooseRegOrImmed to handle numerical constants 
introduced by InstrSelection.

llvm-svn: 3735
 2002-09-16 15:15:57 +00:00
Vikram S. Adve
74823d9145 Add an assertion. 
llvm-svn: 3734
 2002-09-16 15:13:59 +00:00
Vikram S. Adve
69cf056052 Fix typos in previous checkin. 
llvm-svn: 3726
 2002-09-15 15:33:48 +00:00
Chris Lattner
db2c0b75ab RegAllocCommon no longer includes CommandLine.h so we have to include it 
here.

llvm-svn: 3725
 2002-09-15 07:07:55 +00:00
Vikram S. Adve
2ebafaf8ff Break RA_DEBUG option into several levels to get better control over 
debug output.

llvm-svn: 3724
 2002-09-14 23:05:33 +00:00