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Author SHA1 Message Date
Dale Johannesen
3da6e09de5 Ignore DBG_VALUE in a couple more places. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96207 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-15 01:45:47 +00:00
Dan Gohman
4559855013 When restoring a saved insert location, check to see if the saved 
insert location has become an "inserted" instruction since the time
it was saved. If so, advance to the first non-"inserted" instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96203 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-15 00:21:43 +00:00
Chris Lattner
751d5aa1ea constize 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96199 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-14 22:33:49 +00:00
Chris Lattner
4766132036 clean up a bunch of code, move some random predicates 
on TreePatternNode to be methods on TreePatternNode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96197 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-14 22:22:58 +00:00
Chris Lattner
eb079a3491 mark "addr" as having type "iPTR", eliminating some type comparisons 
in hte generated dag isel fil.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96193 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-14 21:53:19 +00:00
Chris Lattner
c87bf389dc remove the DisablePatternForFastISel predicate, which is a check 
that predated -fast-isel which attempted to speed up the dag pattern
matchers at -O0.  Since fast-isel is around, this is basically 
obsolete and removing it shrinks the generated dag isels.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96188 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-14 21:11:53 +00:00
Chris Lattner
383fed9c7a add an insertion operator. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96187 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-14 21:10:33 +00:00
Chris Lattner
523f6a5848 tidy up 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96186 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-14 21:10:15 +00:00
Dan Gohman
441a38993e Fix whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96179 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-14 18:51:39 +00:00
Dan Gohman
6020d85c41 Fix a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96178 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-14 18:51:20 +00:00
Dan Gohman
ce947366ec When complicated expressions are broken down into subexpressions 
with multiplication by constants distributed through, occasionally
those subexpressions can include both x and -x. For now, if this
condition is discovered within LSR, just prune such cases away,
as they won't be profitable. This fixes a "zero allocated in a
base register" assertion failure.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96177 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-14 18:50:49 +00:00
Sanjiv Gupta
44de6823fc fixes to pagesel/banksel inserter. 
1. restore these across direct/indirect calls.
2. restore pagesel for any macros with gotos.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96175 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-14 18:27:42 +00:00
Anton Korobeynikov
77709ac7db Forgot to commit the header 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96174 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-14 18:25:41 +00:00
Chris Lattner
782ab584e5 follow-on to PR6280 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96172 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-14 18:20:09 +00:00
Anton Korobeynikov
245ba9698e Drop winmcasminfo and use normal AT&T COFF for all windows targets. 
Otherwise AT&T asm printer is used with non-compatible MCAsmInfo and
there is no way to override this behaviour.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96165 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-14 15:19:54 +00:00
Johnny Chen
2faf3919d4 Try to factorize the specification of saturating add/subtract operations a bit, 
as suggested by Bob Wilson.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96153 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-14 06:32:20 +00:00
Dan Gohman
590bfe8641 Actually, this code doesn't have to be quite so conservative in 
the no-TLI case. But it should still default to declining the
transformation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96152 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-14 03:21:49 +00:00
Dan Gohman
1d826a76f5 In rememberInstruction, if the value being remembered is the 
current insertion point, advance the current insertion point.
This avoids a use-before-def situation in a testcase extracted
from clang which is difficult to reduce to a reasonable-sized
regression test.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96151 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-14 03:12:47 +00:00
Dan Gohman
0402577f38 Simplify this code; no need for a custom subclass if it doesn't need 
to override anything from the parent class.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96150 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-14 02:48:58 +00:00
Dan Gohman
9269926bfb Remove a 'protected' keyword, now that SCEVExpander is no longer 
intended to be subclassed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96149 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-14 02:47:26 +00:00
Dan Gohman
2763dfdc70 Don't attempt aggressive post-inc uses if TargetLowering is not available, 
because profitability can't be sufficiently approximated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96148 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-14 02:45:21 +00:00
Daniel Dunbar
ca1c816f25 2.7: Note that DataTypes.h moved. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96143 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-14 01:47:19 +00:00
John McCall
6d09ab8ba2 Make LSR not crash if invoked without target lowering info, e.g. if invoked 
from opt.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96135 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 23:40:16 +00:00
Eric Christopher
77ffe3b31e Fix a problem where we had bitcasted operands that gave us 
odd offsets since the bitcasted pointer size and the offset pointer
size are going to be different types for the GEP vs base object.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96134 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 23:38:01 +00:00
Mikhail Glushenkov
18c67b994c Forward parameter options as '-option=parameter'. 
Some tools do not like the '-option parameter' form. Should this be
configurable?

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96130 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 22:37:28 +00:00
Mikhail Glushenkov
49e496b1cc Support some more Darwin-only options. 
We really need a conditional compilation mechanism...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96129 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 22:37:13 +00:00
Mikhail Glushenkov
b88c6f6cdc Support -mfix-and-continue properly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96128 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 22:37:00 +00:00
Mikhail Glushenkov
2ac7ab129d Revert r94752, turns out we don't need to touch these options. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96127 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 22:36:43 +00:00
Daniel Dunbar
2df89fa407 Trim trailing spaces (aka, trigger rebuild). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96126 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 22:23:47 +00:00
Chris Lattner
a0cdf17f37 pull a bunch of huge inline methods in the PatternCodeEmitter 
class out of line.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96113 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 20:06:50 +00:00
Chris Lattner
1cea10a663 teach the encoder to handle pseudo instructions like FP_REG_KILL, 
encoding them into nothing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96110 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 19:16:53 +00:00
Chris Lattner
c09687bb7e remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96109 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 19:07:06 +00:00
Daniel Dunbar
591047f714 MCAssembler: Fix pcrel relocations. Oh and, 
--
ddunbar@ozzy:tmp$ clang -m32 -integrated-as hello.c && ./a.out
hello world!
--

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96096 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 09:45:59 +00:00
Daniel Dunbar
f6346769b3 MC/Mach-O: Start emitting fixups/relocations for instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96095 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 09:29:02 +00:00
Daniel Dunbar
2be2fd0730 MCAssembler: Switch MCAsmFixup to storing MCFixupKind instead of just a size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96094 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 09:28:54 +00:00
Daniel Dunbar
0bcf074867 MCAssembler: Sink fixup list into MCDataFragment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96093 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 09:28:43 +00:00
Daniel Dunbar
a4766d7af9 MCAssembler: Switch MCFillFragment to only taking constant values. Symbolic expressions can always be emitted as data + fixups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96092 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 09:28:32 +00:00
Daniel Dunbar
45f4874611 MC/Mach-O: Implement EmitValue using data fragments + fixups instead of fill fragment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96091 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 09:28:22 +00:00
Daniel Dunbar
3a30b827a5 MCAssembler: Start applying fixups in the data section. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96090 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 09:28:15 +00:00
Daniel Dunbar
b7c3a4b195 MCAssembler: Add assorted dump() methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96089 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 09:28:03 +00:00
Daniel Dunbar
a8dfb79e6f X86: Move extended MCFixupKinds into X86FixupKinds.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96088 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 09:27:52 +00:00
Chris Lattner
98d5c3141e Split some code out to a helper function (FindReusablePredBB) 
and add a doxygen comment.

Cache the phi entry to avoid doing tons of 
PHINode::getBasicBlockIndex calls in the common case.

On my insane testcase from re2c, this speeds up CGP from
617.4s to 7.9s (78x).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96083 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 05:35:08 +00:00
Chris Lattner
6686c6bf68 Speed up codegen prepare from 3.58s to 0.488s. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96081 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 05:01:14 +00:00
Chris Lattner
277cccc58f PHINode::getBasicBlockIndex is O(n) in the number of inputs 
to a PHI, avoid it in the common case where the BB occurs
in the same index for multiple phis.  This speeds up CGP on
an insane testcase from 8.35 to 3.58s.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96080 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 04:24:19 +00:00
Chris Lattner
2f36ea8b74 iterate over preds using PHI information when available instead of 
using pred_begin/end.  It is much faster.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96079 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 04:15:26 +00:00
Chris Lattner
3f65b5e733 speed up CGP a bit by scanning predecessors through phi operands 
instead of with pred_begin/end.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96078 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 04:04:42 +00:00
Chris Lattner
b779033a23 add encoder support and tests for rdtscp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96076 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 03:42:24 +00:00
Johnny Chen
a1e7621510 Add SETEND and BXJ instructions for disassembly only. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96075 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 02:51:09 +00:00
Sean Callanan
cebe955779 Added the rdtscp instruction to the x86 instruction 
tables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96073 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 02:06:11 +00:00
Jakob Stoklund Olesen
d135f14f61 Fix PR6283. 
When coalescing with a physreg, remember to add imp-def and imp-kill when
dealing with sub-registers.

Also fix a related bug in VirtRegRewriter where substitutePhysReg may
reallocate the operand list on an instruction and invalidate the reg_iterator.
This can happen when a register is mentioned twice on the same instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96072 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 02:06:10 +00:00