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2cca3008e8
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1936 Commits

Author SHA1 Message Date
Chris Lattner
2cca3008e8 One of the 'annoying' things about ilists is that the iterators don't behave 
quite the same as for non-intrusive lists of pointers to nodes.  To support
transitioning code bases, add a new 'compatibility' iterator.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11172 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-08 00:51:31 +00:00
Chris Lattner
04364fb01e Change to use iterators instead of direct access 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11170 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-08 00:22:41 +00:00
Chris Lattner
e187d56520 Abstract out the Nodes collection. Instead of providing a getNodes() method, 
provide node_begin/end iterators, which are only guaranteed to be
bidirectional, not random access.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11165 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-07 23:57:09 +00:00
Chris Lattner
bee5ff3ae2 Actually USE isForwarding method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11160 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-07 23:02:32 +00:00
Chris Lattner
d1d2be3c16 As Alkis pointed out to me, I forgot to commit this... :( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11159 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-07 22:54:19 +00:00
Misha Brukman
dadf3853e7 Fix grammar. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11153 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-06 18:40:35 +00:00
Alkis Evlogimenos
14be64018f Modify the two address instruction pass to remove the duplicate 
operand of the instruction and thus simplify the register allocation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11124 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 22:17:40 +00:00
Brian Gaeke
fc1f6e835c Include <iosfwd> and <string> instead of <iostream>. 
Take away the default iostream argument of createMachineFunctionPrinterPass(),
at Chris's request.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11121 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 21:41:10 +00:00
Chris Lattner
cb2b3e5005 Check in header file I forgot before. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11115 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 03:59:08 +00:00
Chris Lattner
3fb57b691d Delete the BasicBlock ctor that only takes a BasicBlock to insert before. This 
fails when the basic block points to the function->end.  Instead, require that
the client pass in the function AND the basicblock to insert into.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11112 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 03:57:34 +00:00
Alkis Evlogimenos
4e7854407c When an instruction like: A += B had both A and B virtual registers 
spilled, A was loaded from its stack location twice. This fixes the bug.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11093 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-03 01:13:07 +00:00
Alkis Evlogimenos
9fe7602862 Revert changes. Will implement this using a different set of primitives 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11091 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 23:08:58 +00:00
Alkis Evlogimenos
782ce955b2 Add MachineOperand::setDef() and MachineOperand::setUse() so that the 
TwoAddressInstructionPass can correctly update use/def information.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11086 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 21:55:18 +00:00
Brian Gaeke
2d62c896a5 Add prototype for llvm::allocatePowerPCTargetMachine(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11072 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 19:05:08 +00:00
Chris Lattner
c07cd132cb Correct the method I just added to actually return false sometimes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11069 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 18:53:04 +00:00
Chris Lattner
f0fd6845ee Add a new method to ConstantFP 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11068 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 18:40:29 +00:00
Chris Lattner
cf2c4f8ae5 The first half of a fix for PR218 & test/Regression/Assembler/2004-02-01-NegativeZero.llx 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11063 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 22:48:09 +00:00
Alkis Evlogimenos
93aa52a8a9 Add MRegisterInfo::getNumRegs(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11058 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 17:14:20 +00:00
Chris Lattner
369b123bc7 Add comments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11042 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 00:32:48 +00:00
Alkis Evlogimenos
08cec00588 Merge safe parts from last night's buggy commit. These do not break 
any test cases :-)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11032 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-31 19:59:32 +00:00
Chris Lattner
bd490d919b Add two static methods to avoid having client code explicitly compare against 
FirstVirtualRegister


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11031 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-31 19:57:11 +00:00
Alkis Evlogimenos
4d46e1e521 Revert last night's changes as they broke some tests. Will remerge parts of the patch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11029 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-31 14:37:41 +00:00
Alkis Evlogimenos
32bdd4ea65 Several performance enhancements and cleanups from Chris. 
Simplification of LiveIntervals::Interval::overlaps() and addition of
examples to overlaps() and liveAt() to make them clearer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11028 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-31 04:56:07 +00:00
Chris Lattner
762e8e846f Add a new pointsToConstantMemory method to the AliasAnalysis interface 
which can be implemented to improve the quality of mod-ref information.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11020 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-30 22:15:41 +00:00
Chris Lattner
43549f710a Add a new lazily constructed mapping from Idx's the MBB they represent 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11017 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-30 22:08:09 +00:00
Brian Gaeke
09caa3751f Give clients of MachineFunctionPrinter the ability to specify a banner and 
choose an ostream.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11016 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-30 21:53:46 +00:00
Misha Brukman
fbdf4bf179 Doxygenify comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11014 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-30 17:22:50 +00:00
Chris Lattner
14c67ccf02 Keep track of all of the globals inserted into the scalar map 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10995 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-28 03:01:22 +00:00
Chris Lattner
18348fe201 Pull the ScalarMap out into something that is more structured than what we had 
before.  This allows us to have a place to implement optimizations in a
structured way.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10994 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-28 02:42:12 +00:00
Chris Lattner
660f1e90ec Minor tweaks 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10983 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-27 21:49:42 +00:00
Chris Lattner
7a31285c3f Add comments, allow DSNode "copy ctor" to ignore outgoing links, add more 
structured access to the globals list, add a couple helper methods.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10982 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-27 21:49:25 +00:00
Chris Lattner
5f549af582 * cloneReachable* and clonePartiallyInto are not obsolete 
* Make AssertNodeInGraph not be HORRIBLY time consuming
* Eliminate the dead mergeInGlobalsGraph method
*** Add the definition for the new ReachabilityCloner class


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10981 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-27 21:48:35 +00:00
Alkis Evlogimenos
79b0c3f0b9 Fix failing test cases with joined live intervals. It turns out that 
when joining we need to check if we overlap with the second interval
or any of its aliases.

Also make joining intervals the default.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10973 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-23 13:37:51 +00:00
Chris Lattner
078c513e87 Add new flag, other minor modifications 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10969 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-23 01:42:32 +00:00
Chris Lattner
1db1c93b30 Fix grammar 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10968 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-23 01:42:16 +00:00
Alkis Evlogimenos
e88280a422 Add option to join live intervals. Two intervals are joined if there 
is a move between two registers, at least one of the registers is
virtual and the two live intervals do not overlap.

This results in about 40% reduction in intervals, 30% decrease in the
register allocators running time and a 20% increase in peephole
optimizations (mainly move eliminations).

The option can be enabled by passing -join-liveintervals where
appropriate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10965 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-22 23:08:45 +00:00
Chris Lattner
2f561384fb Eliminated the CompletedNodes argument to the cloneReachable* methods. This 
map was only used to implement a marginal GlobalsGraph optimization, and it
actually slows the analysis down (due to the overhead of keeping it), so just
eliminate it entirely.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10955 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-22 16:56:13 +00:00
Chris Lattner
9a37f2d96a It doesn't make sense for one side to be const, but not the other. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10952 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-22 16:08:51 +00:00
Chris Lattner
9e9848d037 Remove const qualifier (all Value*'s are nonconst in DSA, so it's not clear 
why this one was)

Add new method proto


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10950 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-22 15:26:52 +00:00
Chris Lattner
c4282a33d1 Specialize std::swap correctly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10949 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-22 15:26:15 +00:00
Misha Brukman
c0039e25a4 To materialize a module, you need to know what functions NEED to be read and 
which ones don't, which is state that the parent class doesn't know without
knowing the implementation. Let the children classes implement
materializeModule().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10942 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-21 22:54:10 +00:00
Misha Brukman
61eec1573a If you call abort(), #include <cstdlib> 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10941 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-21 22:50:12 +00:00
Brian Gaeke
554831c479 Regenerated using autoconf-2.57 and autoheader-2.57. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10934 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-21 19:39:29 +00:00
Chris Lattner
db9b998f63 Move SlotCalculator.h from include/llvm to include/llvm/Analysis 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10930 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-20 19:50:12 +00:00
Tanya Lattner
a105c802b2 Moved iterators to common file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10925 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-20 17:49:42 +00:00
Chris Lattner
a2b4f93a1b add a method proto, make a method not inline 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10921 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-20 00:54:47 +00:00
Chris Lattner
8d763d25ec Add enum for compaction table. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10916 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-18 21:09:23 +00:00
Chris Lattner
af894e963b Add support for representing the "compaction table" 
Change protected members to private.  Nothing should subclass SlotCalculator


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10912 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-18 21:03:49 +00:00
Chris Lattner
440f87eea2 Revision of Brian's threading support library to be a bit more generic and 
platform independent.  This code is completely untested (but never used),
and needs autoconf support for detecting pthreads, but it's a start, and
deletes two emails from my inbox.  :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10906 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-17 19:54:29 +00:00
Alkis Evlogimenos
3b02cbe752 Fold open interval ends handling into 
LiveIntervals::Interval::expiredAt() and simplify regalloc code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10894 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-16 20:17:05 +00:00