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9546 Commits

Author SHA1 Message Date
Chris Lattner fc7bdac1b3 Fix ADCE/2003-12-19-MergeReturn.llx 
llvm-svn: 10539
 2003-12-19 09:08:34 +00:00
Chris Lattner b141a2aca6 New testcase for missed optimization 
llvm-svn: 10538
 2003-12-19 09:08:15 +00:00
Chris Lattner b8b9163a2f 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 918460190f Remove the wierd "Operands" loop, by traversing basicblocks in reverse order 
llvm-svn: 10536
 2003-12-19 08:18:16 +00:00
Chris Lattner 86dd6d835c Add support for people calling main recursively 
llvm-svn: 10535
 2003-12-19 07:51:46 +00:00
Chris Lattner 547192d688 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 a2d66a5ada New testcase 
llvm-svn: 10533
 2003-12-19 06:54:37 +00:00
Chris Lattner 3d35e879dc 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 031a3f8cc7 Generalize a special case to fix PR187 
llvm-svn: 10531
 2003-12-19 06:27:08 +00:00
Chris Lattner 91daeb5431 Factor code out into the Utils library 
llvm-svn: 10530
 2003-12-19 05:58:40 +00:00
Chris Lattner 04efa4b155 Add new function 
llvm-svn: 10529
 2003-12-19 05:56:28 +00:00
Chris Lattner 8f668f26a6 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 4953be9c73 Update template 
llvm-svn: 10525
 2003-12-19 03:34:46 +00:00
Alkis Evlogimenos 7139090fd2 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 bbe0f1d795 Add install target for libraries. 
llvm-svn: 10519
 2003-12-18 20:57:48 +00:00
Chris Lattner 8f88cdfa22 Prune some #includes 
Add a statistic for # reloads

llvm-svn: 10518
 2003-12-18 20:25:31 +00:00
John Criswell b22e9b4b35 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 86a3a48697 Merged in RELEASE_11. 
llvm-svn: 10516
 2003-12-18 16:43:17 +00:00
Alkis Evlogimenos e5e2bd6777 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 3bd69eaac5 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 c17d57bd82 Modify local register allocator to use the two-address instruction pass. 
llvm-svn: 10513
 2003-12-18 13:08:52 +00:00
Alkis Evlogimenos 725021cb6c 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 4d87219486 Rename LiveIntervals::expired() to LiveIntervals::expiredAt(). 
llvm-svn: 10511
 2003-12-18 08:56:11 +00:00
Alkis Evlogimenos 15b8036b29 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 40874c708f 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 b3fdf83d17 add boog 
llvm-svn: 10508
 2003-12-18 08:16:25 +00:00
Chris Lattner 9e2b42a0c8 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 44fea5416d 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 cb6dfffa63 Check in patch that Reid submitted 
llvm-svn: 10505
 2003-12-18 06:40:22 +00:00
Misha Brukman 3096ca319a 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 ee158ca708 * Converted C-style comments to C++ 
* Doxygenified comments
* Reordered #includes

llvm-svn: 10503
 2003-12-17 22:08:20 +00:00
Misha Brukman 0f42585924 Reordered #includes. 
llvm-svn: 10502
 2003-12-17 22:06:28 +00:00
Misha Brukman 426275b96d Doxygenified some comments, reduced extraneous space. 
llvm-svn: 10501
 2003-12-17 22:06:08 +00:00
Misha Brukman b01a80aa94 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 423ad188da 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 d4e013e885 Added Stacker to Reid Spencer's list of contributions. 
llvm-svn: 10494
 2003-12-17 18:15:04 +00:00
Brian Gaeke 0a9980582d Make getObjectType() smarter about ranlibbed Mac OS X archives. 
llvm-svn: 10493
 2003-12-17 00:18:18 +00:00
Misha Brukman 91ed92fe5f Disable __attribute__((weak)) on Mac OS X and other lame platforms. 
llvm-svn: 10489
 2003-12-16 22:57:30 +00:00
Chris Lattner e7670a0bbb Add a faq entry for the demo page 
llvm-svn: 10488
 2003-12-16 22:33:55 +00:00
Brian Gaeke b69acf9a87 Fix typo in comment. 
llvm-svn: 10487
 2003-12-16 21:55:45 +00:00
Chris Lattner e5ac39d664 There is no reason to add -load support to LLC 
llvm-svn: 10483
 2003-12-15 23:10:25 +00:00
Misha Brukman 34cba91956 Added info about PR186: weak linkage on memory functions. 
llvm-svn: 10479
 2003-12-15 22:48:12 +00:00
Misha Brukman 97f451555d 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 6c08bb8b8e Fix for PR185 & IndVarsSimplify/2003-12-15-Crash.llx 
llvm-svn: 10473
 2003-12-15 17:34:02 +00:00
Chris Lattner 98c265a382 New testcase, for PR185 
llvm-svn: 10471
 2003-12-15 17:33:41 +00:00
Chris Lattner 83025b214b This header is dead 
llvm-svn: 10470
 2003-12-15 06:39:18 +00:00
Alkis Evlogimenos 8870674da7 Change preserve all claim to just preserve live variables and phielimination. 
llvm-svn: 10469
 2003-12-15 04:55:38 +00:00
Chris Lattner ab475b85f7 New testcase 
llvm-svn: 10468
 2003-12-15 00:03:53 +00:00
Chris Lattner 884e824534 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 0fcc74f1df new test 
llvm-svn: 10466
 2003-12-14 23:39:34 +00:00