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26817 Commits

Author SHA1 Message Date
Bob Wilson
4c24546238 Add SelectionDAG::getNOT method to construct bitwise NOT operations, 
corresponding to the "not" and "vnot" PatFrags.  Use the new method
in some places where it seems appropriate.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62768 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-22 17:39:32 +00:00
Sanjiv Gupta
fcc6f1556e Few targets like the tiny little PIC16 have only 16-bit pointers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62763 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-22 10:14:21 +00:00
Evan Cheng
536ab130ec Eliminate a couple of fields from TargetRegisterClass: SubRegClasses and SuperRegClasses. These are not necessary. Also eliminate getSubRegisterRegClass and getSuperRegisterRegClass. These are slow and their results can change if register file names change. Just use TargetLowering::getRegClassFor() to get the right TargetRegisterClass instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62762 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-22 09:10:11 +00:00
Chris Lattner
e70909b8c9 fix a typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62761 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-22 07:21:55 +00:00
Chris Lattner
256baa4b1f add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62760 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-22 07:16:03 +00:00
Chris Lattner
12a7db3830 Fix PR3358, a really nasty bug where recursive phi translated 
analyses could be run without the caches properly sorted.  This
can fix all sorts of weirdness.  Many thanks to Bill for coming
up with the 'issorted' verification idea.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62757 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-22 07:04:01 +00:00
Dan Gohman
dbf5f2557e Recognize inline asm for bswap on x86-64 GLIBC. This allows it 
to be supported in the JIT.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62730 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-21 23:40:54 +00:00
Dale Johannesen
541ed9fd02 Do not use host floating point types when emitting 
ASCII IR; loading and storing these can change the
bits of NaNs on some hosts.  Remove or add warnings
at a few other places using host floating point;
this is a bad thing to do in general.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62712 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-21 20:32:55 +00:00
Evan Cheng
a095c972cc Also favors NOT64r. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62710 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-21 19:45:31 +00:00
Chris Lattner
0f2d995fd6 fix warning in release-asserts mode and spelling of assert. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62699 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-21 18:38:18 +00:00
Chris Lattner
1e42c5bdf5 add getPointerToGlobal to the C bindings, patch by Lennart Augustsson! 
PR3364


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62697 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-21 18:11:10 +00:00
Chris Lattner
455e9abf36 Remove uses of uint32_t in favor of 'unsigned' for better 
compatibility with cygwin.  Patch by Jay Foad!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62695 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-21 18:09:24 +00:00
Dan Gohman
764fd0cbc8 Simplify ReduceLoadWidth's logic: it doesn't need several different 
special cases after producing the new reduced-width load, because the
new load already has the needed adjustments built into it. This fixes
several bugs due to the special cases, including PR3317.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62692 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-21 15:17:51 +00:00
Dan Gohman
1ef4d8f7ee Fix a recent regression. ClrOpcode is not set for i8; for i8, if 
we want to clear %ah to zero before a division, just use a
zero-extending mov to %al. This fixes PR3366.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62691 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-21 14:50:16 +00:00
Mikhail Glushenkov
1421b7bc23 Mimic gcc behaviour with regard to response files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62688 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-21 13:14:02 +00:00
Sanjiv Gupta
2530566acd Fixed build warnings. Restoring changes done in 62600, they were lost in 62655. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62681 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-21 09:02:46 +00:00
Duncan Sands
9fbc7e2e7a Cleanup whitespace and comments, and tweak some 
prototypes, in operand type legalization.  No
functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62680 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-21 09:00:29 +00:00
Owen Anderson
d3be46214c I accidentally removed this check in an earlier commit, which cause breakage in the pre alloc splitter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62678 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-21 08:18:03 +00:00
Sanjiv Gupta
08b9b05218 Implement LowerOperationWrapper for legalizer. 
Also a few signed comparison fixes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62665 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-21 05:44:05 +00:00
Scott Michel
d1e8d9c0a5 CellSPU: 
- Ensure that (operation) legalization emits proper FDIV libcall when needed.
- Fix various bugs encountered during llvm-spu-gcc build, along with various
  cleanups.
- Start supporting double precision comparisons for remaining libgcc2 build.
  Discovered interesting DAGCombiner feature, which is currently solved via
  custom lowering (64-bit constants are not legal on CellSPU, but DAGCombiner
  insists on inserting one anyway.)
- Update README.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62664 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-21 04:58:48 +00:00
Sanjiv Gupta
bb326bbe88 Allow targets to legalize operations (with illegal operands) that produces multiple values. For example, a load with an illegal operand (a load produces two values, a value and chain). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62663 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-21 04:48:39 +00:00
Evan Cheng
aaf414c92c Favors generating "not" over "xor -1". For example. 
unsigned test(unsigned a) {
  return ~a;
}
llvm used to generate:
movl    $4294967295, %eax
xorl    4(%esp), %eax

Now it generates:
movl      4(%esp), %eax
notl      %eax

It's 3 bytes shorter.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62661 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-21 02:09:05 +00:00
Dale Johannesen
ed6af24e14 Make special cases (0 inf nan) work for frem. 
Besides APFloat, this involved removing code
from two places that thought they knew the
result of frem(0., x) but were wrong.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62645 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-21 00:35:19 +00:00
Owen Anderson
6cf7c390ec Be more aggressive about renumbering vregs after splitting them. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62639 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-21 00:13:28 +00:00
Devang Patel
476615934a Encode member accessibility. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62638 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-21 00:08:04 +00:00
Devang Patel
2a574669f3 Appropriately mark fowrad decls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62625 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-20 22:27:02 +00:00
Evan Cheng
a894ae130b Fix PR3243: a LiveVariables bug. When HandlePhysRegKill is checking whether the last reference is also the last def (i.e. dead def), it should also check if last reference is the current machine instruction being processed. This can happen when it is processing a physical register use and setting the current machine instruction as sub-register's last ref. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62617 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-20 21:25:12 +00:00
Duncan Sands
9c70819da0 Fix typo. Patch by Alexei Svitkine. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62616 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-20 21:20:23 +00:00
Bill Wendling
e9a7286087 Use "SINT_TO_FP" instead of "UINT_TO_FP" when getting the exponent. This was 
causing the limited precision stuff to produce the wrong result for values in
the range [0, 1).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62615 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-20 21:17:57 +00:00
Devang Patel
2be5893a04 Fix struct member's debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62610 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-20 21:02:02 +00:00
Devang Patel
6906ba52f0 Need only one set of debug info versions enum. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62602 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-20 19:22:03 +00:00
Evan Cheng
04ee5a1d92 Change TargetInstrInfo::isMoveInstr to return source and destination sub-register indices as well. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62600 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-20 19:12:24 +00:00
Devang Patel
9ec50ab3f8 Fix global variable's address in a DIE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62596 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-20 18:55:39 +00:00
Devang Patel
eab4a2e8ac Enable debug info for enums. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62594 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-20 18:35:14 +00:00
Dale Johannesen
24b66a83ca Add an IEEE remainder function, which is not 
fully implemented yet and not used.  This is
mainly to clarify that APFloat::mod implements
C fmod, not remainder.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62593 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-20 18:35:05 +00:00
Chris Lattner
ccb3ab46f6 improve compatibility with various versions of graphviz, patch by 
Patrick Boettcher!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62592 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-20 18:25:03 +00:00
Chris Lattner
79abedb83a Eliminate use of uint32_t to improve compatibility with cygwin 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62590 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-20 18:22:57 +00:00
Devang Patel
ce31b027e7 Enable debug info for composite types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62589 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-20 18:13:03 +00:00
Evan Cheng
e08eb9ca1d Refactor code. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62573 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-20 06:44:16 +00:00
Bill Wendling
6c53334b90 Shift types need to match. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62571 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-20 06:10:42 +00:00
Chris Lattner
63bf29b5b1 another fix for PR3354 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62561 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-20 01:15:41 +00:00
Dan Gohman
8289b05c4c Add a README entry noticed while investigating PR3216. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62558 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-20 01:07:33 +00:00
Dan Gohman
f5add58549 Fix a dagcombine to not generate loads of non-round integer types, 
as its comment says, even in the case where it will be generating
extending loads. This fixes PR3216.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62557 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-20 01:06:45 +00:00
Devang Patel
c2997f4a34 Do not use DenseMap because the iterator is invalidated while constructing types. After all there was a reason why std::map was used initially! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62555 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-20 00:58:55 +00:00
Nick Lewycky
f514e2d28f Make the Interpreter use libffi if it's available. Patch from Alexei Svitkine! 
This requires a rebuild of 'configure' itself. I will be committing that next, but
built with the wrong version of autoconf. Somebody who has the right one, please update
it.

As a side-note, because of the way autoconf works, all built tools will link against
libffi, not just lli. If you know how to fix this, please let me know ...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62553 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-20 00:51:40 +00:00
Evan Cheng
d0deec20f6 Make linear scan's trivial coalescer slightly more aggressive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62547 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-20 00:16:18 +00:00
Bill Wendling
5049fa6bbc Doxygen-ify comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62546 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-19 23:43:56 +00:00
Devang Patel
b79b5359fb Verify debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62545 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-19 23:21:49 +00:00
Chris Lattner
6ff645bf0f Fix a problem exposed by PR3354: simplifycfg was making a potentially 
trapping instruction be executed unconditionally.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62541 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-19 23:03:13 +00:00
Dan Gohman
c533612949 Remove SDNode's virtual destructor. This makes it impossible for 
SDNode subclasses to keep state that requires non-trivial
destructors, however it was already effectively impossible,
since the destructor isn't actually ever called. There currently
aren't any SDNode subclasses affected by this, and in general
it's desireable to keep SDNode objects light-weight.

This eliminates the last virtual member function in the SDNode
class, so it eliminates the need for a vtable pointer, making
SDNode smaller.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62539 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-19 22:39:36 +00:00