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Author SHA1 Message Date
Brian Gaeke
cbc20b451d Renamed to hash_set.in; move to using autoconf substitution tags. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11765 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 18:56:36 +00:00
Brian Gaeke
6cd52446fa Renamed to hash_map.in; move to using autoconf substitution tags. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11764 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 18:56:35 +00:00
Brian Gaeke
c1cf42412e Add include/Support/hash_map and include/Support/hash_set as AC_OUTPUT files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11763 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 18:56:05 +00:00
Brian Gaeke
6ab1917840 Regenerated using autoheader-2.57. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11762 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 18:56:04 +00:00
Brian Gaeke
78e7d4a698 Move HASH_* checks to using AC_SUBST instead of AC_DEFINE. Tighten up some whitespace and comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11761 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 18:56:03 +00:00
Brian Gaeke
793c5f2aa7 Regenerated using autoconf-2.57. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11760 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 18:56:02 +00:00
Alkis Evlogimenos
575649322f Add number of spilled registers statistic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11759 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 18:45:32 +00:00
Chris Lattner
11d1f21e1d Fix bugs in finegrainification 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11758 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 18:40:08 +00:00
Chris Lattner
0742b59913 Finegrainify namespacification 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11757 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 18:38:20 +00:00
Alkis Evlogimenos
e699b16a76 Use MachineBasicBlock::getParent(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11756 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 18:36:38 +00:00
Alkis Evlogimenos
e6394e2b62 Remove implementation of default constructor as it is useless now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11755 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 18:28:35 +00:00
Brian Gaeke
c134395628 Renamed from include/Support/iterator. Doxygenify comments; add autoconf substitution tags. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11754 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 18:16:10 +00:00
Brian Gaeke
0e67d4cfe2 Replaced by include/Support/iterator.in. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11753 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 18:16:10 +00:00
Brian Gaeke
587bef9d1a Regenerated with autoheader-2.57. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11752 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 18:16:09 +00:00
Brian Gaeke
81d407d503 Add include/Support/iterator as an AC_OUTPUT file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11751 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 18:16:08 +00:00
Brian Gaeke
008bb70f8a Make all iterator checks use AC_SUBST instead of AC_DEFINE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11750 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 18:16:07 +00:00
Brian Gaeke
295d4b8590 Regenerated with autoconf-2.57. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11749 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 18:16:06 +00:00
Alkis Evlogimenos
743d0a1f83 Refactor rewinding code for finding the first terminator of a basic 
block into MachineBasicBlock::getFirstTerminator().

This also fixes a bug in the implementation of the above in both
RegAllocLocal and InstrSched, where instructions where added after the
terminator if the basic block's only instruction was a terminator (it
shouldn't matter for RegAllocLocal since this case never occurs in
practice).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11748 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 18:14:48 +00:00
Chris Lattner
fbc39d5045 Simplify code a bit, don't go off the end of the block, now that the current 
block we are in might be empty


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11744 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 07:42:19 +00:00
Chris Lattner
65cf42d32f We were forgetting to add FP_REG_KILL instructions to basic blocks which will 
eventually get an assignment due to elimination of PHIs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11743 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 07:29:45 +00:00
Chris Lattner
c5943fb186 Implement cast.ll::test14/15 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11742 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 07:16:20 +00:00
Chris Lattner
3c4de7fbe0 Add tests for casts that should be eliminated 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11741 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 07:16:03 +00:00
Chris Lattner
4cb170cc6e Refactor some code. In the mul - setcc folding case, we really care about 
whether this is the sign bit or not, so check unsigned comparisons as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11740 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 06:38:22 +00:00
Chris Lattner
19e40ade3d Handle the unsigned form as well 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11739 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 06:37:33 +00:00
Alkis Evlogimenos
12edc7ef3d Improved PhysRegTracker interface. RegAlloc lazily allocates the register tracker using a std::auto_ptr 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11738 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 06:10:13 +00:00
Chris Lattner
fed58fd72e Implement mul.ll:test11 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11737 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 06:00:11 +00:00
Chris Lattner
f4821745df Add a slight variant of test10 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11736 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 05:59:52 +00:00
Chris Lattner
45aaafef49 Implement "strength reduction" of X <= C and X >= C 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11735 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 05:47:48 +00:00
Chris Lattner
fb54b2b744 Implement InstCombine/mul.ll:test10, which is a case that occurs when dealing 
with "predication"


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11734 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 05:39:21 +00:00
Chris Lattner
1dda055e55 This multiply can be eliminated 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11733 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 05:38:47 +00:00
Alkis Evlogimenos
fc2b449a17 Simplify iterator usage now that we have next(). Also don't pass iterators by reference now that MachineInstr* are in an ilist 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11732 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 04:12:30 +00:00
Chris Lattner
a118ae1c9d Update the 'new features' section 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11731 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 03:51:34 +00:00
Chris Lattner
3fd8259c9b Bug fixed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11730 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 03:36:36 +00:00
Chris Lattner
f7b42259e9 Work around a gas bug. Print '-9223372036854775808' as unsigned. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11729 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 03:27:05 +00:00
Chris Lattner
311ca2e51f Implement cast fp -> bool 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11728 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 03:21:41 +00:00
Chris Lattner
16865af5d5 Add testcase for the casts that are missing in PR249 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11727 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 03:21:09 +00:00
Chris Lattner
baa58a5691 Stop passing iterators around by reference now that we have ilists! 
Implement cast Type::ULongTy -> double


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11726 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 03:10:10 +00:00
Alkis Evlogimenos
25d9d5800c Some code cleanups from Chris 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11724 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 01:57:39 +00:00
Alkis Evlogimenos
534f545ef1 Fix comments in PhysRegTracker and rename isPhysRegAvail to isRegAvail to be consistent with the other two 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11723 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 01:25:05 +00:00
Chris Lattner
2d0a82570a Add a new cmove instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11722 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 01:16:05 +00:00
Alkis Evlogimenos
98e17cf543 Move LiveIntervals.h up to be the first included header 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11721 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 01:01:21 +00:00
Alkis Evlogimenos
888b1a6ccd Pull PhysRegTracker out of RegAllocLinearScan as it can be used by other allocators as well 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11720 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 00:53:31 +00:00
Alkis Evlogimenos
a2f6a408dc Move LiveIntervals.h to lib/CodeGen since it shouldn't be exposed to other parts of the compiler 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11719 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 00:50:15 +00:00
Chris Lattner
986618ebc7 Only insert FP_REG_KILL instructions in MachineBasicBlocks that actually 
use FP instructions.  This reduces the number of instructions inserted in
176.gcc (for example) from 58074 to 101 (it doesn't use much FP, which
is typical).  This reduction speeds up the entire code generator.  In the
case of 176.gcc, llc went from taking 31.38s to 24.78s.  The passes that
sped up the most are the register allocator and the 2 live variable analysis
passes, which sped up 2.3, 1.3, and 1.5s respectively.  The asmprinter
pass also sped up because it doesn't print the instructions in comments :)

Note that this patch is likely to expose latent bugs in machine code passes,
because now basicblock can be empty, where they were never empty before.  I
cleaned out regalloclocal, but who knows about linscan :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11717 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-22 19:47:26 +00:00
Chris Lattner
d0d1c8f830 Another bug fix for empty MBB's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11716 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-22 19:37:31 +00:00
Alkis Evlogimenos
890f92328d Move MOTy::UseType enum into MachineOperand. This eliminates the 
switch statements in the constructors and simplifies the
implementation of the getUseType() member function. You will have to
specify defs using MachineOperand::Def instead of MOTy::Def though
(similarly for Use and UseAndDef).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11715 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-22 19:23:26 +00:00
Chris Lattner
688c8252d2 Fix a bug where we were implicitly assuming that there would be at least 
one terminator instruction in each basic block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11714 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-22 19:08:15 +00:00
Chris Lattner
7ca04097ad Reduce the number of pointless copies inserted due to constant pointer refs. 
Also, make an assertion actually fireable!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11713 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-22 17:35:42 +00:00
Chris Lattner
827832c705 Fix bug in previous checkout: leave the iterator at the first instruction 
AFTER the GEP that was emitted.  :(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11712 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-22 17:05:38 +00:00
Alkis Evlogimenos
e33da36cbd Fix silly bug in implementation of getUseType(). Thanks Misha. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11711 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-22 07:24:19 +00:00