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382 Commits

Author SHA1 Message Date
Chris Lattner
c37577eb9f Clean up a lot of the code I added yesterday by exposing the IntrinsicLowering 
implementation from the TargetMachine directly.

llvm-svn: 10636
 2003-12-28 21:23:38 +00:00
Alkis Evlogimenos
fc01aac4d8 Add coalescing to register allocator. A hint is added to each interval 
which denotes the register we would like to be assigned to (virtual or
physical). In register allocation, if this hint exists and we can map
it to a physical register (it is either a physical register or it is a
virtual register that already got assigned to a physical one) we use
that register if it is available instead of a random one in the free
pool.

llvm-svn: 10634
 2003-12-28 17:58:18 +00:00
Chris Lattner
215d4146fe add argument 
llvm-svn: 10625
 2003-12-28 09:42:49 +00:00
Chris Lattner
00a54b7c00 Move header into top-level llvm dir 
llvm-svn: 10622
 2003-12-28 08:30:07 +00:00
Chris Lattner
8bc92e92ee Add new interface that allows removal of some code from the code generators, 
provides for future extensibility, might help the LLVA project avoid having to
hack their own LLI, and provides support required for the experimental Venus
project.

llvm-svn: 10620
 2003-12-28 08:19:13 +00:00
Alkis Evlogimenos
4401d0a7a3 Change weight into a float so that we can take into account the 
nesting level when computing it. Right now the allocator uses:

    w = sum_over_defs_uses( 10 ^ nesting level );

llvm-svn: 10569
 2003-12-21 20:19:10 +00:00
Alkis Evlogimenos
4f98b79ef0 Add support for inactive intervals. This effectively reuses registers 
for live ranges that fall into assigned registers' holes.

llvm-svn: 10566
 2003-12-21 05:43:40 +00:00
Chris Lattner
58d2beb555 Rearrange code, indent for the namespace, add the createMachineFunctionPrinterPass 
to passes.h, and add the machien destruction pass to Passes.h

llvm-svn: 10557
 2003-12-20 10:18:58 +00:00
Chris Lattner
f987d900a4 Remove sparc specific passes from public headers 
llvm-svn: 10552
 2003-12-20 09:15:21 +00:00
Chris Lattner
1963b162db Remove a horrible API 
llvm-svn: 10551
 2003-12-20 09:15:01 +00:00
Alkis Evlogimenos
9181e0ab5b Remove TwoAddressInstruction from the public headers and add an ID 
instead, since this pass doesn't expose any state to its users.

llvm-svn: 10520
 2003-12-18 22:40:24 +00:00
Alkis Evlogimenos
90aeecae42 Add TwoAddressInstructionPass to handle instructions that have two or 
more operands and the two first operands are constrained to be the
same. The pass takes an instruction of the form:

        a = b op c

and transforms it into:

        a = b
        a = a op c

and also preserves live variables.

llvm-svn: 10512
 2003-12-18 13:06:04 +00:00
Alkis Evlogimenos
befef566f6 Rename LiveIntervals::expired() to LiveIntervals::expiredAt(). 
llvm-svn: 10511
 2003-12-18 08:56:11 +00:00
Alkis Evlogimenos
8e2fcc7d79 Handle multiple virtual register definitions gracefully. 
Move some of the longer LiveIntervals::Interval method out of the
header and add debug information to them. Fix bug and simplify range
merging code.

llvm-svn: 10509
 2003-12-18 08:48:48 +00:00
Alkis Evlogimenos
ac4fe24ed8 I wonder how this didn't cause any tests to fail... 
llvm-svn: 10462
 2003-12-14 13:30:19 +00:00
Alkis Evlogimenos
29127b8825 Change interface of MachineOperand as follows: 
a) remove opIsUse(), opIsDefOnly(), opIsDefAndUse()
    b) add isUse(), isDef()
    c) rename opHiBits32() to isHiBits32(),
              opLoBits32() to isLoBits32(),
              opHiBits64() to isHiBits64(),
              opLoBits64() to isLoBits64().

This results to much more readable code, for example compare
"op.opIsDef() || op.opIsDefAndUse()" to "op.isDef()" a pattern used
very often in the code.

llvm-svn: 10461
 2003-12-14 13:24:17 +00:00
Alkis Evlogimenos
f84f86137b Ignore non-allocatable physical registers in live interval analysis. 
llvm-svn: 10449
 2003-12-13 11:11:02 +00:00
Alkis Evlogimenos
229c2b9181 Move operator<<(std::ostream&, const LiveInterval&) out of the header file. 
llvm-svn: 10290
 2003-12-05 10:38:28 +00:00
Chris Lattner
e595976ed9 Add some "useful" methods 
llvm-svn: 10277
 2003-12-01 05:30:29 +00:00
Alkis Evlogimenos
6627a32ff9 Merging the linear scan register allocator in trunk. It currently passes most tests under test/Programs/SingleSource/Benchmarks/Shootout so development will continue on trunk. The allocator is not enabled by default. You will need to pass -regallo=linearscan to lli or llc to use it. 
llvm-svn: 10103
 2003-11-20 03:32:25 +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
Chris Lattner
59ee30fa40 Actually share constants local to a function! 
llvm-svn: 9417
 2003-10-23 16:29:12 +00:00
Chris Lattner
a227bfeff3 Add a new map 
llvm-svn: 9311
 2003-10-20 20:55:13 +00:00
John Criswell
16c6cda9d5 Added LLVM copyright header (for lack of a better term). 
llvm-svn: 9304
 2003-10-20 20:19:47 +00:00
Brian Gaeke
2a7cedb657 This file has funny include guards and funny extra whitespace. 
Make this file less funny.

llvm-svn: 9186
 2003-10-16 23:43:35 +00:00
Chris Lattner
9db0d011b4 We'll need this soon as well 
llvm-svn: 9145
 2003-10-15 22:09:46 +00:00
Alkis Evlogimenos
33a498f90c Forward declare class Type since it is used in this class and Type.h is not included 
llvm-svn: 8958
 2003-10-08 04:45:45 +00:00
Alkis Evlogimenos
a37b58ce09 Moved enum and command-line option in separate file. Also added function that returns the user selected register allocator to the caller. 
llvm-svn: 8819
 2003-10-02 16:57:49 +00:00
Alkis Evlogimenos
42a09316bb Change llc command line for register allocators 
llvm-svn: 8815
 2003-10-02 06:13:19 +00:00
Chris Lattner
c3767eab12 Forward declare a class 
llvm-svn: 8797
 2003-09-30 20:15:40 +00:00
Chris Lattner
d63bd276f0 This got merged into Passes.h 
llvm-svn: 8796
 2003-09-30 20:15:32 +00:00
Chris Lattner
08d6f140ab Include the sparc register in this file 
llvm-svn: 8794
 2003-09-30 20:14:43 +00:00
Chris Lattner
4e4c763dfc Standardize header file comments 
llvm-svn: 8782
 2003-09-30 18:37:50 +00:00
Chris Lattner
0c15a20712 Fix header comment 
llvm-svn: 8779
 2003-09-30 18:12:25 +00:00
Chris Lattner
1ea5d5a0c0 Fix header, remove dead decl 
llvm-svn: 8777
 2003-09-30 18:06:51 +00:00
Chris Lattner
7d059b8c3d Fix header file comment 
llvm-svn: 8776
 2003-09-30 18:05:30 +00:00
Chris Lattner
87d223c70e Remove header files that were privatized 
llvm-svn: 8307
 2003-09-01 20:33:38 +00:00
Chris Lattner
aeb98733eb This file is never #included 
llvm-svn: 8300
 2003-09-01 20:19:31 +00:00
Tanya Lattner
ff06e1a796 Moved index in BB to common graph class. 
llvm-svn: 8175
 2003-08-28 15:31:28 +00:00
Tanya Lattner
68f651356f *** empty log message *** 
llvm-svn: 8161
 2003-08-27 15:52:23 +00:00
Tanya Lattner
93162e16d6 Cleaned up the code (spacing, not needed headers) and changed ostream function. Also made some functions inline. 
llvm-svn: 8154
 2003-08-27 02:45:08 +00:00
Tanya Lattner
9353c099ac SchedGraphCommon header file. Contains class definition for SchedGraphCommon which is used by SchedGraph and ModuloSchedGraph (coming soon). 
llvm-svn: 8149
 2003-08-25 23:12:23 +00:00
Chris Lattner
8e9740071f Add missing #include 
llvm-svn: 8063
 2003-08-22 23:08:55 +00:00
Misha Brukman
cda7f97dbb The word dependent' has no a'. 
llvm-svn: 8030
 2003-08-21 22:14:26 +00:00
Chris Lattner
d929db2450 Add support for basic blocks, unary/binary unspecs, conditional branches, ... 
llvm-svn: 7874
 2003-08-15 04:52:51 +00:00
Brian Gaeke
4651096037 Factory methods for function passes now return type FunctionPass *. 
llvm-svn: 7839
 2003-08-14 06:09:32 +00:00
Brian Gaeke
77c65be59e Factory methods for FunctionPasses now return type FunctionPass *. 
llvm-svn: 7823
 2003-08-13 18:18:15 +00:00
Vikram S. Adve
1e41dd39ae Make MInst2LVSetBI and MInst2LVSetAI be hash_maps instead of maps. 
Add some comments and non-const methods to fix constness problems.

llvm-svn: 7797
 2003-08-12 23:39:08 +00:00
Chris Lattner
49f6244b56 Initial checkin of SelectionDAG header file 
llvm-svn: 7716
 2003-08-11 14:56:26 +00:00
Chris Lattner
142e03de74 There was no reason for these to be bit-fields, they just need to be unique. 
Also, add an isVoid item

llvm-svn: 7659
 2003-08-07 00:17:00 +00:00