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Author SHA1 Message Date
Brian Gaeke
6620134331 ThreadSupport.h is now output from configure. 
llvm-svn: 11770
 2004-02-23 21:30:29 +00:00
Brian Gaeke
3918efe30b Remove check for slist 
llvm-svn: 11769
 2004-02-23 21:12:58 +00:00
Chris Lattner
253f77f2a7 Fix InstCombine/2004-02-23-ShiftShiftOverflow.ll 
Also, turn 'shr int %X, 1234' into 'shr int %X, 31'

llvm-svn: 11768
 2004-02-23 20:30:06 +00:00
Chris Lattner
39c2703ad4 Test for the other way also 
llvm-svn: 11767
 2004-02-23 20:24:16 +00:00
Chris Lattner
745388980f New testcase 
llvm-svn: 11766
 2004-02-23 20:19:51 +00:00
Brian Gaeke
7715d8e2ba Renamed to hash_set.in; move to using autoconf substitution tags. 
llvm-svn: 11765
 2004-02-23 18:56:36 +00:00
Brian Gaeke
3d632e3fd5 Renamed to hash_map.in; move to using autoconf substitution tags. 
llvm-svn: 11764
 2004-02-23 18:56:35 +00:00
Brian Gaeke
df2b904403 Add include/Support/hash_map and include/Support/hash_set as AC_OUTPUT files. 
llvm-svn: 11763
 2004-02-23 18:56:05 +00:00
Brian Gaeke
13ca0bda3f Regenerated using autoheader-2.57. 
llvm-svn: 11762
 2004-02-23 18:56:04 +00:00
Brian Gaeke
dc1f8bbbb1 Move HASH_* checks to using AC_SUBST instead of AC_DEFINE. Tighten up some whitespace and comments. 
llvm-svn: 11761
 2004-02-23 18:56:03 +00:00
Brian Gaeke
845d76139a Regenerated using autoconf-2.57. 
llvm-svn: 11760
 2004-02-23 18:56:02 +00:00
Alkis Evlogimenos
34f28e5d3f Add number of spilled registers statistic. 
llvm-svn: 11759
 2004-02-23 18:45:32 +00:00
Chris Lattner
82e1a3657d Fix bugs in finegrainification 
llvm-svn: 11758
 2004-02-23 18:40:08 +00:00
Chris Lattner
1bf9dde4a1 Finegrainify namespacification 
llvm-svn: 11757
 2004-02-23 18:38:20 +00:00
Alkis Evlogimenos
82a1d7d30e Use MachineBasicBlock::getParent(). 
llvm-svn: 11756
 2004-02-23 18:36:38 +00:00
Alkis Evlogimenos
2863fbd178 Remove implementation of default constructor as it is useless now. 
llvm-svn: 11755
 2004-02-23 18:28:35 +00:00
Brian Gaeke
2cb1841335 Renamed from include/Support/iterator. Doxygenify comments; add autoconf substitution tags. 
llvm-svn: 11754
 2004-02-23 18:16:10 +00:00
Brian Gaeke
560c89141f Replaced by include/Support/iterator.in. 
llvm-svn: 11753
 2004-02-23 18:16:10 +00:00
Brian Gaeke
c84da72de7 Regenerated with autoheader-2.57. 
llvm-svn: 11752
 2004-02-23 18:16:09 +00:00
Brian Gaeke
3d8b2af8a7 Add include/Support/iterator as an AC_OUTPUT file. 
llvm-svn: 11751
 2004-02-23 18:16:08 +00:00
Brian Gaeke
6385dd7b00 Make all iterator checks use AC_SUBST instead of AC_DEFINE. 
llvm-svn: 11750
 2004-02-23 18:16:07 +00:00
Brian Gaeke
7bee706526 Regenerated with autoconf-2.57. 
llvm-svn: 11749
 2004-02-23 18:16:06 +00:00
Alkis Evlogimenos
9b103024ef 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).

llvm-svn: 11748
 2004-02-23 18:14:48 +00:00
Chris Lattner
40e15a6000 Simplify code a bit, don't go off the end of the block, now that the current 
block we are in might be empty

llvm-svn: 11744
 2004-02-23 07:42:19 +00:00
Chris Lattner
28e4e925eb We were forgetting to add FP_REG_KILL instructions to basic blocks which will 
eventually get an assignment due to elimination of PHIs.

llvm-svn: 11743
 2004-02-23 07:29:45 +00:00
Chris Lattner
74418a30aa Implement cast.ll::test14/15 
llvm-svn: 11742
 2004-02-23 07:16:20 +00:00
Chris Lattner
fe1e1787c8 Add tests for casts that should be eliminated 
llvm-svn: 11741
 2004-02-23 07:16:03 +00:00
Chris Lattner
a65e5e3df1 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.

llvm-svn: 11740
 2004-02-23 06:38:22 +00:00
Chris Lattner
4a306afab5 Handle the unsigned form as well 
llvm-svn: 11739
 2004-02-23 06:37:33 +00:00
Alkis Evlogimenos
50598d1135 Improved PhysRegTracker interface. RegAlloc lazily allocates the register tracker using a std::auto_ptr 
llvm-svn: 11738
 2004-02-23 06:10:13 +00:00
Chris Lattner
9ecc3fc3c1 Implement mul.ll:test11 
llvm-svn: 11737
 2004-02-23 06:00:11 +00:00
Chris Lattner
c4076cb09d Add a slight variant of test10 
llvm-svn: 11736
 2004-02-23 05:59:52 +00:00
Chris Lattner
51b37305d9 Implement "strength reduction" of X <= C and X >= C 
llvm-svn: 11735
 2004-02-23 05:47:48 +00:00
Chris Lattner
c31a2e26ab Implement InstCombine/mul.ll:test10, which is a case that occurs when dealing 
with "predication"

llvm-svn: 11734
 2004-02-23 05:39:21 +00:00
Chris Lattner
ca8a8b6c3a This multiply can be eliminated 
llvm-svn: 11733
 2004-02-23 05:38:47 +00:00
Alkis Evlogimenos
99af6ca36b Simplify iterator usage now that we have next(). Also don't pass iterators by reference now that MachineInstr* are in an ilist 
llvm-svn: 11732
 2004-02-23 04:12:30 +00:00
Chris Lattner
d1828a306f Update the 'new features' section 
llvm-svn: 11731
 2004-02-23 03:51:34 +00:00
Chris Lattner
d1425828a3 Bug fixed 
llvm-svn: 11730
 2004-02-23 03:36:36 +00:00
Chris Lattner
b200638dc4 Work around a gas bug. Print '-9223372036854775808' as unsigned. 
llvm-svn: 11729
 2004-02-23 03:27:05 +00:00
Chris Lattner
85f13fae06 Implement cast fp -> bool 
llvm-svn: 11728
 2004-02-23 03:21:41 +00:00
Chris Lattner
2ec31046bc Add testcase for the casts that are missing in PR249 
llvm-svn: 11727
 2004-02-23 03:21:09 +00:00
Chris Lattner
795ca35cde Stop passing iterators around by reference now that we have ilists! 
Implement cast Type::ULongTy -> double

llvm-svn: 11726
 2004-02-23 03:10:10 +00:00
Alkis Evlogimenos
976f485826 Some code cleanups from Chris 
llvm-svn: 11724
 2004-02-23 01:57:39 +00:00
Alkis Evlogimenos
1525e120a6 Fix comments in PhysRegTracker and rename isPhysRegAvail to isRegAvail to be consistent with the other two 
llvm-svn: 11723
 2004-02-23 01:25:05 +00:00
Chris Lattner
f9acb33dfd Add a new cmove instruction 
llvm-svn: 11722
 2004-02-23 01:16:05 +00:00
Alkis Evlogimenos
ee3ef42726 Move LiveIntervals.h up to be the first included header 
llvm-svn: 11721
 2004-02-23 01:01:21 +00:00
Alkis Evlogimenos
ba2b9aec71 Pull PhysRegTracker out of RegAllocLinearScan as it can be used by other allocators as well 
llvm-svn: 11720
 2004-02-23 00:53:31 +00:00
Alkis Evlogimenos
850bd0819f Move LiveIntervals.h to lib/CodeGen since it shouldn't be exposed to other parts of the compiler 
llvm-svn: 11719
 2004-02-23 00:50:15 +00:00
Chris Lattner
cf8db3e8aa 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 :)

llvm-svn: 11717
 2004-02-22 19:47:26 +00:00
Chris Lattner
5485375e5d Another bug fix for empty MBB's 
llvm-svn: 11716
 2004-02-22 19:37:31 +00:00