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Author SHA1 Message Date
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
Chris Lattner
97e7a7dd20 New testcase for PR194 
llvm-svn: 10568
 2003-12-21 19:06:15 +00:00
Alkis Evlogimenos
0e892b6337 Move FP_REG_KILL closer to the return instruction. 
llvm-svn: 10567
 2003-12-21 16:47:43 +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
John Criswell
80daeb4cdb Fix PR#193. 
Modified ReadArchiveBuffer() so that it dynamically allocates the
std::string object used to hold the bytecode object file's name.  This is
necessary because it is passed by reference to the new Module that is
allocated to represent the bytecode object, and previously we were
using a std::string that disappeared on function exit.

llvm-svn: 10565
 2003-12-20 22:37:29 +00:00
Alkis Evlogimenos
1ee3f839f8 Fix help string for --enable-spec2000 option 
llvm-svn: 10564
 2003-12-20 21:35:15 +00:00
Alkis Evlogimenos
7b61337ce6 Move FP_REG_KILL closer to the actual branch instruction. 
llvm-svn: 10563
 2003-12-20 17:28:15 +00:00
Alkis Evlogimenos
41bd8284e3 Remove floating point killer pass. This is now implemented in the 
instruction selector by adding a new pseudo-instruction
FP_REG_KILL. This instruction implicitly defines all x86 fp registers
and is a terminator so that passes which add machine code at the end
of basic blocks (like phi elimination) do not add instructions between
it and the branch or return instruction.

llvm-svn: 10562
 2003-12-20 16:22:59 +00:00
Chris Lattner
8ec3eba4c1 Another day, another bug 
llvm-svn: 10561
 2003-12-20 10:29:02 +00:00
Chris Lattner
461a62626a Add a new target-independent machine code freeing pass 
llvm-svn: 10560
 2003-12-20 10:20:58 +00:00
Chris Lattner
ef1bfa35d0 Finally, _actually delete the machine code_ for a function, after it has 
been emitted.  Also, since the FPK pass is causing memory access violations,
disable it.

llvm-svn: 10559
 2003-12-20 10:20:19 +00:00
Chris Lattner
013d4bee41 This should not be needed anymore 
llvm-svn: 10558
 2003-12-20 10:19:18 +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
ea52ffdb10 Fix memory leak in the stackifier, due to the machinebasicblocks not holding 
instructions on an ilist

llvm-svn: 10556
 2003-12-20 10:12:17 +00:00
Chris Lattner
544d512d4f Finegrainify namespacification 
Minor cleanups to killer pass

llvm-svn: 10555
 2003-12-20 09:58:55 +00:00
Chris Lattner
5099050009 Hoist some sparc specific code into the sparc target 
llvm-svn: 10554
 2003-12-20 09:17:40 +00:00
Chris Lattner
d476049d19 * Finegrainify namespacification 
* Move sparc specific code out of generic code
* Eliminate the getOffset() method which made INVALID_FRAME_OFFSET
  necessary, which made pulling in MAX_INT as a sentinal necessary.

llvm-svn: 10553
 2003-12-20 09:17:07 +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
Chris Lattner
0a3ecfc20c PR135 is now finally fixed 
llvm-svn: 10550
 2003-12-20 03:42:11 +00:00
Chris Lattner
edda0e5d4f Implement PR135, lazy emission of global variables 
llvm-svn: 10549
 2003-12-20 03:36:47 +00:00
Chris Lattner
cfa59c4d89 Cleanups to implement PR135 
llvm-svn: 10548
 2003-12-20 03:35:50 +00:00
Chris Lattner
214005e5fb Simple refactorings to prepare for lazy global emission 
Also, add a stat for the number of globals emitted

llvm-svn: 10547
 2003-12-20 02:45:37 +00:00
Chris Lattner
8fdf8b8d71 Simple refactorings to prepare for lazy global emission 
llvm-svn: 10546
 2003-12-20 02:45:16 +00:00
Chris Lattner
d3676d0774 A minor cleanup for better encapsulation 
llvm-svn: 10545
 2003-12-20 02:03:14 +00:00
Chris Lattner
cd8f92bc62 Cleanup the JIT as per PR176. This renames the VM class to JIT, and merges the 
VM.cpp and JIT.cpp files into JIT.cpp.  This also splits some nasty code out
into TargetSelect.cpp so that people hopefully won't notice it.  :)

llvm-svn: 10544
 2003-12-20 01:46:27 +00:00
Chris Lattner
32658dbaf3 Update for changes in the JIT 
llvm-svn: 10543
 2003-12-20 01:45:17 +00:00
Chris Lattner
1cb1efedb3 Rip JIT specific stuff out of TargetMachine, as per PR176 
llvm-svn: 10542
 2003-12-20 01:22:19 +00:00
Chris Lattner
2233ad8f0b Eliminate a spurious warning 
llvm-svn: 10540
 2003-12-19 19:48:43 +00:00
Chris Lattner
e0021ba353 Fix ADCE/2003-12-19-MergeReturn.llx 
llvm-svn: 10539
 2003-12-19 09:08:34 +00:00
Chris Lattner
7e4c9401c7 New testcase for missed optimization 
llvm-svn: 10538
 2003-12-19 09:08:15 +00:00
Chris Lattner
2aae4f3655 Expand on the AliasSetTracker a bit, so I can remember this next time I come back to it. :) 
llvm-svn: 10537
 2003-12-19 08:43:07 +00:00
Chris Lattner
399d5ad32e Remove the wierd "Operands" loop, by traversing basicblocks in reverse order 
llvm-svn: 10536
 2003-12-19 08:18:16 +00:00
Chris Lattner
b46031d8db Add support for people calling main recursively 
llvm-svn: 10535
 2003-12-19 07:51:46 +00:00
Chris Lattner
68db81e684 Implement LICM/sink_multiple.ll, by sinking all possible instructions in the 
loop before hoisting any.

llvm-svn: 10534
 2003-12-19 07:22:45 +00:00
Chris Lattner
94c7fcf93b New testcase 
llvm-svn: 10533
 2003-12-19 06:54:37 +00:00
Chris Lattner
b37f2a0c5e Turn QOI section into CQ section (QUI can be added later if needed) 
Add PR187

llvm-svn: 10532
 2003-12-19 06:31:56 +00:00
Chris Lattner
a0b16fb57d Generalize a special case to fix PR187 
llvm-svn: 10531
 2003-12-19 06:27:08 +00:00
Chris Lattner
e0e1fe84e8 Factor code out into the Utils library 
llvm-svn: 10530
 2003-12-19 05:58:40 +00:00
Chris Lattner
c1952a1fd6 Add new function 
llvm-svn: 10529
 2003-12-19 05:56:28 +00:00
Chris Lattner
906ef6c1f7 If -enable-linscan is specified, add ENABLE_LINEARSCAN=1 to the make commandline 
llvm-svn: 10527
 2003-12-19 03:47:31 +00:00
Chris Lattner
cb86fbe3f1 Update template 
llvm-svn: 10525
 2003-12-19 03:34:46 +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
Brian Gaeke
bcea2cdd89 Add install target for libraries. 
llvm-svn: 10519
 2003-12-18 20:57:48 +00:00
Chris Lattner
c984af2771 Prune some #includes 
Add a statistic for # reloads

llvm-svn: 10518
 2003-12-18 20:25:31 +00:00
John Criswell
3304c39869 Reverted back to previous revision - this was previously merged 
according to the CVS log messages.

llvm-svn: 10517
 2003-12-18 17:19:19 +00:00
John Criswell
0659bb0c4a Merged in RELEASE_11. 
llvm-svn: 10516
 2003-12-18 16:43:17 +00:00
Alkis Evlogimenos
f6e9dd4942 Modify linear scan register allocator to use the two-address 
instruction pass. This also fixes all remaining bugs for this new
allocator to pass all tests under test/Programs.

llvm-svn: 10515
 2003-12-18 13:15:02 +00:00
Alkis Evlogimenos
9bb0ad1a37 Fix bug in reserved registers. DH actually aliases DX and EDX which 
are not reserved registers.

llvm-svn: 10514
 2003-12-18 13:12:18 +00:00
Alkis Evlogimenos
48d20cb328 Modify local register allocator to use the two-address instruction pass. 
llvm-svn: 10513
 2003-12-18 13:08:52 +00:00