Brian Gaeke [Mon, 23 Feb 2004 18:56:36 +0000 (18:56 +0000)]
Renamed to hash_set.in; move to using autoconf substitution tags.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11765
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Brian Gaeke [Mon, 23 Feb 2004 18:56:35 +0000 (18:56 +0000)]
Renamed to hash_map.in; move to using autoconf substitution tags.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11764
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Brian Gaeke [Mon, 23 Feb 2004 18:56:05 +0000 (18:56 +0000)]
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
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Brian Gaeke [Mon, 23 Feb 2004 18:56:04 +0000 (18:56 +0000)]
Regenerated using autoheader-2.57.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11762
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Brian Gaeke [Mon, 23 Feb 2004 18:56:03 +0000 (18:56 +0000)]
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
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Brian Gaeke [Mon, 23 Feb 2004 18:56:02 +0000 (18:56 +0000)]
Regenerated using autoconf-2.57.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11760
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Alkis Evlogimenos [Mon, 23 Feb 2004 18:45:32 +0000 (18:45 +0000)]
Add number of spilled registers statistic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11759
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Chris Lattner [Mon, 23 Feb 2004 18:40:08 +0000 (18:40 +0000)]
Fix bugs in finegrainification
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11758
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Chris Lattner [Mon, 23 Feb 2004 18:38:20 +0000 (18:38 +0000)]
Finegrainify namespacification
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11757
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Alkis Evlogimenos [Mon, 23 Feb 2004 18:36:38 +0000 (18:36 +0000)]
Use MachineBasicBlock::getParent().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11756
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Alkis Evlogimenos [Mon, 23 Feb 2004 18:28:35 +0000 (18:28 +0000)]
Remove implementation of default constructor as it is useless now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11755
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Brian Gaeke [Mon, 23 Feb 2004 18:16:10 +0000 (18:16 +0000)]
Renamed from include/Support/iterator. Doxygenify comments; add autoconf substitution tags.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11754
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Brian Gaeke [Mon, 23 Feb 2004 18:16:10 +0000 (18:16 +0000)]
Replaced by include/Support/iterator.in.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11753
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Brian Gaeke [Mon, 23 Feb 2004 18:16:09 +0000 (18:16 +0000)]
Regenerated with autoheader-2.57.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11752
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Brian Gaeke [Mon, 23 Feb 2004 18:16:08 +0000 (18:16 +0000)]
Add include/Support/iterator as an AC_OUTPUT file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11751
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Brian Gaeke [Mon, 23 Feb 2004 18:16:07 +0000 (18:16 +0000)]
Make all iterator checks use AC_SUBST instead of AC_DEFINE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11750
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Brian Gaeke [Mon, 23 Feb 2004 18:16:06 +0000 (18:16 +0000)]
Regenerated with autoconf-2.57.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11749
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Alkis Evlogimenos [Mon, 23 Feb 2004 18:14:48 +0000 (18:14 +0000)]
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
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Chris Lattner [Mon, 23 Feb 2004 07:42:19 +0000 (07:42 +0000)]
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
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Chris Lattner [Mon, 23 Feb 2004 07:29:45 +0000 (07:29 +0000)]
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
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Chris Lattner [Mon, 23 Feb 2004 07:16:20 +0000 (07:16 +0000)]
Implement cast.ll::test14/15
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11742
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Chris Lattner [Mon, 23 Feb 2004 07:16:03 +0000 (07:16 +0000)]
Add tests for casts that should be eliminated
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11741
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Chris Lattner [Mon, 23 Feb 2004 06:38:22 +0000 (06:38 +0000)]
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
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Chris Lattner [Mon, 23 Feb 2004 06:37:33 +0000 (06:37 +0000)]
Handle the unsigned form as well
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11739
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Alkis Evlogimenos [Mon, 23 Feb 2004 06:10:13 +0000 (06:10 +0000)]
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
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Chris Lattner [Mon, 23 Feb 2004 06:00:11 +0000 (06:00 +0000)]
Implement mul.ll:test11
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11737
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Chris Lattner [Mon, 23 Feb 2004 05:59:52 +0000 (05:59 +0000)]
Add a slight variant of test10
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11736
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Chris Lattner [Mon, 23 Feb 2004 05:47:48 +0000 (05:47 +0000)]
Implement "strength reduction" of X <= C and X >= C
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11735
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Chris Lattner [Mon, 23 Feb 2004 05:39:21 +0000 (05:39 +0000)]
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
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Chris Lattner [Mon, 23 Feb 2004 05:38:47 +0000 (05:38 +0000)]
This multiply can be eliminated
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11733
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Alkis Evlogimenos [Mon, 23 Feb 2004 04:12:30 +0000 (04:12 +0000)]
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
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Chris Lattner [Mon, 23 Feb 2004 03:51:34 +0000 (03:51 +0000)]
Update the 'new features' section
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11731
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Chris Lattner [Mon, 23 Feb 2004 03:36:36 +0000 (03:36 +0000)]
Bug fixed
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11730
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Chris Lattner [Mon, 23 Feb 2004 03:27:05 +0000 (03:27 +0000)]
Work around a gas bug. Print '-
9223372036854775808' as unsigned.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11729
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Chris Lattner [Mon, 23 Feb 2004 03:21:41 +0000 (03:21 +0000)]
Implement cast fp -> bool
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11728
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Chris Lattner [Mon, 23 Feb 2004 03:21:09 +0000 (03:21 +0000)]
Add testcase for the casts that are missing in PR249
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11727
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Chris Lattner [Mon, 23 Feb 2004 03:10:10 +0000 (03:10 +0000)]
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
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Alkis Evlogimenos [Mon, 23 Feb 2004 01:57:39 +0000 (01:57 +0000)]
Some code cleanups from Chris
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11724
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Alkis Evlogimenos [Mon, 23 Feb 2004 01:25:05 +0000 (01:25 +0000)]
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
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Chris Lattner [Mon, 23 Feb 2004 01:16:05 +0000 (01:16 +0000)]
Add a new cmove instruction
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11722
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Alkis Evlogimenos [Mon, 23 Feb 2004 01:01:21 +0000 (01:01 +0000)]
Move LiveIntervals.h up to be the first included header
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11721
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Alkis Evlogimenos [Mon, 23 Feb 2004 00:53:31 +0000 (00:53 +0000)]
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
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Alkis Evlogimenos [Mon, 23 Feb 2004 00:50:15 +0000 (00:50 +0000)]
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
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Chris Lattner [Sun, 22 Feb 2004 19:47:26 +0000 (19:47 +0000)]
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
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Chris Lattner [Sun, 22 Feb 2004 19:37:31 +0000 (19:37 +0000)]
Another bug fix for empty MBB's
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11716
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Alkis Evlogimenos [Sun, 22 Feb 2004 19:23:26 +0000 (19:23 +0000)]
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
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Chris Lattner [Sun, 22 Feb 2004 19:08:15 +0000 (19:08 +0000)]
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
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Chris Lattner [Sun, 22 Feb 2004 17:35:42 +0000 (17:35 +0000)]
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
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Chris Lattner [Sun, 22 Feb 2004 17:05:38 +0000 (17:05 +0000)]
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
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Alkis Evlogimenos [Sun, 22 Feb 2004 07:24:19 +0000 (07:24 +0000)]
Fix silly bug in implementation of getUseType(). Thanks Misha.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11711
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Chris Lattner [Sun, 22 Feb 2004 07:04:00 +0000 (07:04 +0000)]
Completely rewrite how getelementptr instructions are expanded. This has two
(minor) benefits right now:
1. An extra dummy MOVrr32 is gone. This move would often be coallesced by
both allocators anyway.
2. The code now uses the gep_type_iterator to walk the gep, which should future
proof it a bit. It still assumes that array indexes are Longs though.
These don't really justify rewriting the code. The big benefit will come later
though.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11710
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Alkis Evlogimenos [Sun, 22 Feb 2004 06:54:26 +0000 (06:54 +0000)]
When folding memory operands in machine instructions be careful to
leave register operands with the same use/def flags as the original
instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11709
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Chris Lattner [Sun, 22 Feb 2004 06:27:03 +0000 (06:27 +0000)]
Significantly simplify gep_type_iterator, and make its interface more general/powerful
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11708
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Chris Lattner [Sun, 22 Feb 2004 06:26:17 +0000 (06:26 +0000)]
Fix a soon-to-be-missing #include
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11707
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Chris Lattner [Sun, 22 Feb 2004 06:25:38 +0000 (06:25 +0000)]
Get all instruction definitions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11706
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Chris Lattner [Sun, 22 Feb 2004 05:53:54 +0000 (05:53 +0000)]
Wow this is out of date. When we have _real_ code generator documentation,
this should be folded into it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11705
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Alkis Evlogimenos [Sun, 22 Feb 2004 05:46:04 +0000 (05:46 +0000)]
Print basic block boundaries in machine instruction debug output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11704
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Chris Lattner [Sun, 22 Feb 2004 05:45:02 +0000 (05:45 +0000)]
Link to most recent "LLVM document"
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11703
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Chris Lattner [Sun, 22 Feb 2004 05:25:17 +0000 (05:25 +0000)]
Implement Transforms/InstCombine/cast.ll:test13, a case which occurs in a
hot 164.gzip loop.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11702
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Chris Lattner [Sun, 22 Feb 2004 05:24:09 +0000 (05:24 +0000)]
Test that the instruction combiner can fold away a cast in a GEP instruction.
This occurs in 164.gzip, as a result of it declaring arrays extern.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11701
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Chris Lattner [Sun, 22 Feb 2004 04:44:58 +0000 (04:44 +0000)]
The two address pass cannot handle two addr instructions where one incoming
value is a physreg and one is a virtreg. For this reason, disable copy folding
entirely for physregs. Also, use the new isMoveInstr target hook which gives us
folding of FP moves as well.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11700
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Alkis Evlogimenos [Sun, 22 Feb 2004 04:05:13 +0000 (04:05 +0000)]
Abstract merging of ranges away from number of slots per instruction.
Also make it less aggressive as the current implementation breaks in
some cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11696
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Chris Lattner [Sun, 22 Feb 2004 00:53:54 +0000 (00:53 +0000)]
Use isNull instead of getNode() to test for existence of a node, this is cheaper.
FIX MAJOR BUG, whereby we didn't merge null edges correctly. Correcting this
fixes poolallocation on 175.vpr, and possibly others.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11695
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Chris Lattner [Sat, 21 Feb 2004 22:28:26 +0000 (22:28 +0000)]
Fix an iterator invalidation problem which was causing some nodes to not be
correctly merged over!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11693
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Chris Lattner [Sat, 21 Feb 2004 22:27:31 +0000 (22:27 +0000)]
Use handy method
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11692
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Chris Lattner [Sat, 21 Feb 2004 22:27:20 +0000 (22:27 +0000)]
Update comments and add warning
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11691
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Misha Brukman [Sat, 21 Feb 2004 21:51:41 +0000 (21:51 +0000)]
`cat' is usually in /bin, not /usr/bin, at least on our systems.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11690
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Chris Lattner [Sat, 21 Feb 2004 21:06:19 +0000 (21:06 +0000)]
When printing a stack trace, demangle it if possible. Since we are potentially
in a signal handler, allocating memory or doing other unsafe things is bad,
which means we should do it in a different process.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11689
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Alkis Evlogimenos [Sat, 21 Feb 2004 18:07:33 +0000 (18:07 +0000)]
Make 'fold' statistic's description the same in both allocators.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11687
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Chris Lattner [Sat, 21 Feb 2004 00:30:28 +0000 (00:30 +0000)]
Instead of cloning the globals for main into the globals graph at the end of
BU propagation, clone the globals into the GG of EACH FUNCTION that finishes
processing! The GlobalsGraph *must* include all globals and effects from
all functions in the program. Fixing this makes pool allocation work better
on 175.vpr, but it still ultimately crashes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11686
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Chris Lattner [Fri, 20 Feb 2004 23:52:15 +0000 (23:52 +0000)]
There is no need to merge the globals graph into the function graphs at the
end of the BU and CBU passes. The globals will be marked incomplete, so it
doesn't matter if they are missing some info, and merging isn't guaranteed
to bring everything in anyway!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11684
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Chris Lattner [Fri, 20 Feb 2004 23:27:09 +0000 (23:27 +0000)]
Add two missing returns, which caused us to be very pessimistic about the
printf and scanf families!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11683
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Chris Lattner [Fri, 20 Feb 2004 23:05:43 +0000 (23:05 +0000)]
new testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11682
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John Criswell [Fri, 20 Feb 2004 22:30:46 +0000 (22:30 +0000)]
Added the POVRAY_ROOT to locate Povray.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11681
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John Criswell [Fri, 20 Feb 2004 22:30:22 +0000 (22:30 +0000)]
Added an option for configuring Povray. By default, it should find my local
installation of Povray (and not do anything for people who don't have it).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11680
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John Criswell [Fri, 20 Feb 2004 21:26:46 +0000 (21:26 +0000)]
Build an archive for use with Povray.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11678
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Alkis Evlogimenos [Fri, 20 Feb 2004 20:53:26 +0000 (20:53 +0000)]
Some more statistics improvements.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11676
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Alkis Evlogimenos [Fri, 20 Feb 2004 20:46:49 +0000 (20:46 +0000)]
Disambiguate statistic descriptions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11675
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Alkis Evlogimenos [Fri, 20 Feb 2004 20:43:08 +0000 (20:43 +0000)]
Rename statistic and add another one.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11674
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Chris Lattner [Fri, 20 Feb 2004 20:27:11 +0000 (20:27 +0000)]
Add support for some string functions, the scanf family, and sprintf
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11673
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Chris Lattner [Fri, 20 Feb 2004 20:15:47 +0000 (20:15 +0000)]
Add a simple implementation of strncpy
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11672
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Chris Lattner [Fri, 20 Feb 2004 19:08:12 +0000 (19:08 +0000)]
New testcase, do not emit a call to __builtin_sqrt, emit a call to sqrt instead!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11668
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Chris Lattner [Fri, 20 Feb 2004 17:41:35 +0000 (17:41 +0000)]
Bug fixed
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11662
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Chris Lattner [Fri, 20 Feb 2004 17:32:24 +0000 (17:32 +0000)]
PR244: [llvm-gcc] miscompilation when a function is re-declared as static
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11661
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Brian Gaeke [Fri, 20 Feb 2004 06:41:59 +0000 (06:41 +0000)]
Add checks for <execinfo.h> and backtrace().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11660
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Alkis Evlogimenos [Fri, 20 Feb 2004 06:41:12 +0000 (06:41 +0000)]
Fix crash in debug output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11659
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Brian Gaeke [Fri, 20 Feb 2004 06:40:59 +0000 (06:40 +0000)]
Use backtrace() and include execinfo.h, if they were detected by autoconf.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11658
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Brian Gaeke [Fri, 20 Feb 2004 06:40:58 +0000 (06:40 +0000)]
Regenerated using autoheader-2.57.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11657
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Brian Gaeke [Fri, 20 Feb 2004 06:40:57 +0000 (06:40 +0000)]
Regenerated using autoconf-2.57.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11656
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Alkis Evlogimenos [Fri, 20 Feb 2004 06:29:51 +0000 (06:29 +0000)]
Fix instruction numbering in debug output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11655
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Alkis Evlogimenos [Fri, 20 Feb 2004 06:15:40 +0000 (06:15 +0000)]
Too many changes in one commit:
1. LiveIntervals now implement a 4 slot per instruction model. Load,
Use, Def and a Store slot. This is required in order to correctly
represent caller saved register clobbering on function calls,
register reuse in the same instruction (def resues last use) and
also spill code added later by the allocator. The previous
representation (2 slots per instruction) was insufficient and as a
result was causing subtle bugs.
2. Fixes in spill code generation. This was the major cause of
failures in the test suite.
3. Linear scan now has core support for folding memory operands. This
is untested and not enabled (the live interval update function does
not attempt to fold loads/stores in instructions).
4. Lots of improvements in the debugging output of both live intervals
and linear scan. Give it a try... it is beautiful :-)
In summary the above fixes all the issues with the recent reserved
register elimination changes and get the allocator very close to the
next big step: folding memory operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11654
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Chris Lattner [Fri, 20 Feb 2004 06:12:58 +0000 (06:12 +0000)]
If bugpoint can't match the reference output, at LEAST provide the output
we can get.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11653
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Chris Lattner [Fri, 20 Feb 2004 05:58:58 +0000 (05:58 +0000)]
Wild and passionate uncontrolled goose chases are amusing to watch, but not
very helpful. Let bugpoint favor being helpful instead of determined.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11652
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Chris Lattner [Fri, 20 Feb 2004 05:56:48 +0000 (05:56 +0000)]
Format a bit more nicely
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11651
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Chris Lattner [Fri, 20 Feb 2004 05:49:22 +0000 (05:49 +0000)]
It is totally unacceptable to print out (literally) millions of zeros when
compiling 129.compress... so don't!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11649
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Chris Lattner [Thu, 19 Feb 2004 21:44:41 +0000 (21:44 +0000)]
Add strndup
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11638
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Chris Lattner [Thu, 19 Feb 2004 21:27:50 +0000 (21:27 +0000)]
Add a method useful for updating DSA
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11636
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Chris Lattner [Thu, 19 Feb 2004 21:21:23 +0000 (21:21 +0000)]
Disable the stack trace thing until we can get an autoconf test for it. This
call breaks on sparcs
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11635
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Chris Lattner [Thu, 19 Feb 2004 20:33:00 +0000 (20:33 +0000)]
Make sure to print a stack trace whenever an error signal is delivered
to the tool.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11634
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Chris Lattner [Thu, 19 Feb 2004 20:32:39 +0000 (20:32 +0000)]
Make sure to print a stack trace whenever an error signal is delivered to
the tool.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11633
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