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19263 Commits

Author SHA1 Message Date
Chris Lattner de8c7b6981 remove a dead case 
llvm-svn: 37916
 2007-07-05 17:18:32 +00:00
Evan Cheng a6246f4346 Unbreak the build. 
llvm-svn: 37915
 2007-07-05 17:13:56 +00:00
Evan Cheng 085314b455 Unbreak the build. 
llvm-svn: 37914
 2007-07-05 17:13:19 +00:00
Gabor Greif e16561cd5d Here is the bulk of the sanitizing. 
Almost all occurrences of "bytecode" in the sources have been eliminated.

llvm-svn: 37913
 2007-07-05 17:07:56 +00:00
Chris Lattner 6d1cf76c97 the arm backend is not building, temporarily disable it. 
llvm-svn: 37911
 2007-07-05 16:11:52 +00:00
Duncan Sands 4836e3a6f8 Make sure only one copy of a filter is placed in the 
exception handling table if we encounter it multiple
times.  Filters could be folded harder than this, but
that would mean a lot more work for not much gain.

llvm-svn: 37908
 2007-07-05 15:15:01 +00:00
Evan Cheng 94f04c6fc9 Reflects the chanegs made to PredicateOperand. 
llvm-svn: 37898
 2007-07-05 07:18:20 +00:00
Evan Cheng a7f77599a4 Added ARM::CPSR to represent ARM CPSR status register. 
llvm-svn: 37897
 2007-07-05 07:17:13 +00:00
Evan Cheng 7e90b11550 Unfortunately we now require C++ code to isel Bcc, conditional moves, etc. 
llvm-svn: 37896
 2007-07-05 07:15:27 +00:00
Evan Cheng aa3b8014bd Each ARM use predicate operand is now made up of two components. The new component is the CPSR register. 
llvm-svn: 37895
 2007-07-05 07:13:32 +00:00
Evan Cheng 49ffa1e488 Added ARM::CPSR to represent ARM CPSR status register. 
llvm-svn: 37894
 2007-07-05 07:11:03 +00:00
Evan Cheng ea4a82bcfb PPC conditional branch predicate does not change after isel. 
llvm-svn: 37893
 2007-07-05 07:09:50 +00:00
Evan Cheng 756d15ac6f - Added zero_reg def to stand for register 0. 
- Added two variants of PredicateOperand: ImmutablePredicateOperand, whose predicate does not change after isel; PredicateDefOperand, which represent a predicate defintion operand.

llvm-svn: 37892
 2007-07-05 07:09:09 +00:00
Evan Cheng 0721084327 Do not check isPredicated() on non-predicable instructions. 
llvm-svn: 37891
 2007-07-05 07:06:46 +00:00
Evan Cheng bb6ecf0067 Better assertion messages. 
llvm-svn: 37890
 2007-07-05 07:05:38 +00:00
Nick Lewycky 73dd692173 Break "variable canonicalization" out of InequalityGraph and into its own class 
"ValueNumbering".

llvm-svn: 37881
 2007-07-05 03:15:00 +00:00
Owen Anderson ca1a184fd8 Fix another bug, this time in PREing select instructions. 
llvm-svn: 37878
 2007-07-04 22:33:23 +00:00
Dale Johannesen 3d7008cd49 Refactor X87 instructions. As a side effect, all 
their names are changed.

llvm-svn: 37876
 2007-07-04 21:07:47 +00:00
Duncan Sands fe80638417 Extend eh.selector to support both catches and filters. 
Drop the eh.filter intrinsic.

llvm-svn: 37875
 2007-07-04 20:52:51 +00:00
Owen Anderson cd94fc982a Fix a typo that was killing GVNPRE of select instructions. 
llvm-svn: 37871
 2007-07-04 18:26:18 +00:00
Owen Anderson 664e260a9c Fix an error in phi translation of GEPs that was causing failures. 
llvm-svn: 37868
 2007-07-04 04:51:16 +00:00
Bill Wendling 8590f920c7 Support generation of GR64 to MMX code in the JIT. 
llvm-svn: 37866
 2007-07-04 01:29:22 +00:00
Bill Wendling 3053244b27 Allow a GR64 to be moved into an MMX register via the "movd" instruction. 
Still need to have JIT generate this code.

llvm-svn: 37863
 2007-07-04 00:19:54 +00:00
Owen Anderson 2e4b6feac2 Add support for performing GVNPRE on GEP instructions. 
llvm-svn: 37862
 2007-07-03 23:51:19 +00:00
Owen Anderson b9a494aea3 Add functionality to value number GEP instructions. This also provides the infrastructure that will 
be used for function calls.  NOTE: This does not yet do any transformation of GEPs or function calls.

llvm-svn: 37860
 2007-07-03 22:50:56 +00:00
Owen Anderson 6b958c72bd Make the unary operator case a bit faster, since casts are the only kind of unary operation. 
llvm-svn: 37857
 2007-07-03 19:01:42 +00:00
Owen Anderson 59bd053fc5 Add support for performing GVNPRE on cast instructions, and add a testcase for this. 
llvm-svn: 37856
 2007-07-03 18:37:08 +00:00
Dale Johannesen c2a6089b8b Some spacing fixes. Cosmetic. 
llvm-svn: 37853
 2007-07-03 17:07:33 +00:00
Dan Gohman 06563a8702 Fix several over-aggressive folds for undef nodes in dagcombine, to 
follow the rules for undef used in instcombine.

llvm-svn: 37851
 2007-07-03 14:03:57 +00:00
Dale Johannesen a2b3c175db Fix for PR 1505 (and 1489). Rewrite X87 register 
model to include f32 variants.  Some factoring
improvments forthcoming.

llvm-svn: 37847
 2007-07-03 00:53:03 +00:00
Dan Gohman f9ae1c6001 Vector results may be returned in XMM0 and XMM1, not just XMM0. With 
the recent lowering changes, this allows types like <4 x double> to
be returned, using two vector registers.

llvm-svn: 37844
 2007-07-02 16:21:53 +00:00
Dan Gohman 533dd16a7f Replace ExpandScalarFormalArgs and ExpandScalarCallArgs with the newly 
refactored getCopyFromParts and getCopyToParts, which are more general.
This effectively adds support for lowering illegal by-val vector call
arguments.

llvm-svn: 37843
 2007-07-02 16:18:06 +00:00
Dan Gohman 9a70823375 Teach GetNegatedExpression to negate 0-B to B in UnsafeFPMath mode, and 
visitFSUB to fold 0-B to -B in UnsafeFPMath mode. Also change visitFNEG
to use isNegatibleForFree/GetNegatedExpression instead of doing a subset
of the same thing manually.

This fixes test/CodeGen/X86/negative-sin.ll.

llvm-svn: 37842
 2007-07-02 15:48:56 +00:00
Dan Gohman 1eb8ed47f5 Add explicit keywords. 
llvm-svn: 37839
 2007-07-02 14:53:37 +00:00
Nick Lewycky 5105adfcd1 Fix undefined behaviour reported by the new --enable-expensive-checks option. 
llvm-svn: 37829
 2007-07-01 03:06:30 +00:00
Evan Cheng a1a3cc130d (For Chris): Fix failure where we rejected compiling stubs when lazy compilation is disabled. 
llvm-svn: 37825
 2007-06-30 00:10:37 +00:00
Devang Patel 88197332e7 Add loop info verification mechanism. 
llvm-svn: 37822
 2007-06-29 23:13:42 +00:00
Devang Patel 0975c6d7f9 Preserve DominanceFrontier. 
llvm-svn: 37820
 2007-06-29 23:11:49 +00:00
Evan Cheng fa68d069ad Only do FNEG xform when the vector type is a floating point type. 
llvm-svn: 37818
 2007-06-29 21:44:35 +00:00
David Greene cf2a51e8db Remove unused variables. 
llvm-svn: 37816
 2007-06-29 21:42:03 +00:00
Evan Cheng 9458e6a551 Fix a vector FP constant CSE bug. 
llvm-svn: 37814
 2007-06-29 21:36:04 +00:00
John Criswell 2660cef6d7 Convert .cvsignore files 
llvm-svn: 37801
 2007-06-29 16:35:07 +00:00
David Greene 4c1e6f3804 Remove unnecessary attributions in comments. 
llvm-svn: 37799
 2007-06-29 03:42:23 +00:00
David Greene 1e2a12019f Fix reference to iterator invalidated by an erase operation. Uncovered 
by _GLIBCXX_DEBUG.

llvm-svn: 37796
 2007-06-29 02:53:16 +00:00
David Greene 9468bfd932 Fix reference to cached end iterator invalidated by an erase operation. 
Uncovered by _GLIBCXX_DEBUG.

llvm-svn: 37795
 2007-06-29 02:49:11 +00:00
David Greene 5b6f755575 Remove the "special tie breaker" because it resulted in inconsistent 
ordering and thus violated the strict weak ordering requirement of
priority_queue.  Uncovered by _GLIBCXX_DEBUG.

llvm-svn: 37794
 2007-06-29 02:48:09 +00:00
David Greene 451d1a6ecd Fix misue of iterator pointing to erased object. Uncovered by 
_GLIBCXX_DEBUG.

llvm-svn: 37793
 2007-06-29 02:45:24 +00:00
Devang Patel 9feb7f5846 Do not filter loop if candidate branch is in loop header. 
llvm-svn: 37792
 2007-06-29 01:39:53 +00:00
Evan Cheng 58d1eacd80 Prevent PPC::BCC first operand, the PRED number, from being isel'd into a LI instruction. 
llvm-svn: 37790
 2007-06-29 01:25:06 +00:00
Owen Anderson 67799d4ffb Add support for value numbering (but not actually optimizing) cast instructions. 
llvm-svn: 37789
 2007-06-29 00:51:03 +00:00