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Commit Graph

9629 Commits

Author SHA1 Message Date
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
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
382bfbffeb When a variable is killed and redifined in a basic block only one
killing instruction is tracked. This causes the LiveIntervals to
create bogus intervals. The workaound is to add a range to the
interval from the redefinition to the end of the basic block.

llvm-svn: 10510
2003-12-18 08:53:43 +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
Chris Lattner
417d156218 add boog
llvm-svn: 10508
2003-12-18 08:16:25 +00:00
Chris Lattner
17122cbe7b When we delete instructions from the loop, make sure to remove them from the
AliasSetTracker as well.

llvm-svn: 10507
2003-12-18 08:12:32 +00:00
Chris Lattner
457dd0b6c7 Add a new AliassetTracker::remove method. Because we need to be able to remove
a pointer from an AliasSet, maintain the pointer values on a doubly linked
list instead of a singly linked list, to permit efficient removal from the
middle of the list.

llvm-svn: 10506
2003-12-18 08:11:56 +00:00
Chris Lattner
754c9b8b69 Check in patch that Reid submitted
llvm-svn: 10505
2003-12-18 06:40:22 +00:00
Misha Brukman
9b9d3e0bef Fix the links to match our 'llvm' namespace in doxygen-generated docs.
llvm-svn: 10504
2003-12-17 23:10:49 +00:00
Misha Brukman
adac37e69b * Converted C-style comments to C++
* Doxygenified comments
* Reordered #includes

llvm-svn: 10503
2003-12-17 22:08:20 +00:00
Misha Brukman
61860852dc Reordered #includes.
llvm-svn: 10502
2003-12-17 22:06:28 +00:00
Misha Brukman
9f2f87bb6b Doxygenified some comments, reduced extraneous space.
llvm-svn: 10501
2003-12-17 22:06:08 +00:00
Misha Brukman
fe533cc4e6 Reorganized the Sparc backend to be more modular -- each different
implementation of a Target{RegInfo, InstrInfo, Machine, etc} now has a separate
header and a separate implementation file.

This means that instead of a massive SparcInternals.h that forces a
recompilation of the whole target whenever a minor detail is changed, you should
only recompile a few files.

Note that SparcInternals.h is still around; its contents should be minimized.

llvm-svn: 10500
2003-12-17 22:04:00 +00:00
Misha Brukman
65ab1b90ee Since we are now in the 'llvm' namespace, the mangled C++ name of structs
and hence the links, all change.

llvm-svn: 10495
2003-12-17 18:46:49 +00:00
John Criswell
1a74a6208a Added Stacker to Reid Spencer's list of contributions.
llvm-svn: 10494
2003-12-17 18:15:04 +00:00
Brian Gaeke
81d68517ea Make getObjectType() smarter about ranlibbed Mac OS X archives.
llvm-svn: 10493
2003-12-17 00:18:18 +00:00
Misha Brukman
dbedab0d6d Disable __attribute__((weak)) on Mac OS X and other lame platforms.
llvm-svn: 10489
2003-12-16 22:57:30 +00:00
Chris Lattner
25f3d9c8b6 Add a faq entry for the demo page
llvm-svn: 10488
2003-12-16 22:33:55 +00:00
Brian Gaeke
98cfeec17b Fix typo in comment.
llvm-svn: 10487
2003-12-16 21:55:45 +00:00
Chris Lattner
ce63e55d3f There is no reason to add -load support to LLC
llvm-svn: 10483
2003-12-15 23:10:25 +00:00
Misha Brukman
e7445371ae Added info about PR186: weak linkage on memory functions.
llvm-svn: 10479
2003-12-15 22:48:12 +00:00
Misha Brukman
94364aa87d Make all memory functions have weak linkage so that they can be overridden with
custom memory-management implementations (e.g., bash).

llvm-svn: 10478
2003-12-15 22:32:50 +00:00
Chris Lattner
062d3a4ab5 Fix for PR185 & IndVarsSimplify/2003-12-15-Crash.llx
llvm-svn: 10473
2003-12-15 17:34:02 +00:00
Chris Lattner
ced27a3b11 New testcase, for PR185
llvm-svn: 10471
2003-12-15 17:33:41 +00:00
Chris Lattner
5956155f00 This header is dead
llvm-svn: 10470
2003-12-15 06:39:18 +00:00
Alkis Evlogimenos
657eb40294 Change preserve all claim to just preserve live variables and phielimination.
llvm-svn: 10469
2003-12-15 04:55:38 +00:00
Chris Lattner
43f78576a7 New testcase
llvm-svn: 10468
2003-12-15 00:03:53 +00:00
Chris Lattner
5fc36a496f Refactor code just a little bit, allowing us to implement TailCallElim/return_constant.ll
llvm-svn: 10467
2003-12-14 23:57:39 +00:00
Chris Lattner
ccf7c2cee2 new test
llvm-svn: 10466
2003-12-14 23:39:34 +00:00
Chris Lattner
9047cde657 Finegrainify namespacification
llvm-svn: 10465
2003-12-14 23:25:48 +00:00
Chris Lattner
2fdf5e32aa Finegrainify namespacification
llvm-svn: 10464
2003-12-14 21:35:53 +00:00
Chris Lattner
30ae898eb7 Finegrainify namespacification
Make the Timer code give correct user/system/user+system times when -track-memory is enabled

llvm-svn: 10463
2003-12-14 21:27:33 +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
b96436e679 Change preserve all claim to just preserve live variables and phielimination.
llvm-svn: 10460
2003-12-14 10:14:23 +00:00
Chris Lattner
03449cbaa7 Rev the release notes to 1.2
llvm-svn: 10459
2003-12-14 05:03:43 +00:00
Chris Lattner
0d3a8b1cb4 Do not promote volatile alias sets into registers
llvm-svn: 10458
2003-12-14 04:52:31 +00:00
Chris Lattner
a9d238d598 Finegrainify namespacification
Add capability to represent volatile AliasSet's
Propagate this information from loads&stores into the aliassets

llvm-svn: 10457
2003-12-14 04:52:11 +00:00
Chris Lattner
69a2e9985d Add capability to represent volatile AliasSet's
llvm-svn: 10456
2003-12-14 04:51:34 +00:00
Chris Lattner
607465d961 Testcase for PR179
llvm-svn: 10455
2003-12-14 04:46:07 +00:00
Alkis Evlogimenos
d58f58b351 When reserving a preallocated register spill the aliases of this
register too.

llvm-svn: 10450
2003-12-13 11:58:10 +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
18bf6b5ad7 Expire any active intervals left when register allocation is done.
llvm-svn: 10448
2003-12-13 05:50:19 +00:00
Alkis Evlogimenos
225fc9c6db Add instruction numbers to debugging output.
llvm-svn: 10447
2003-12-13 05:48:57 +00:00