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Author SHA1 Message Date
Mikhail Glushenkov
97de12e4ec llvmc2: Documentation update. Describe recent work on plugins. 
llvm-svn: 57568
 2008-10-15 09:29:13 +00:00
Mikhail Glushenkov
3f10dec376 llvmc2: Some Makefile fixes and renames. 
llvm-svn: 57567
 2008-10-15 09:28:50 +00:00
Mikhail Glushenkov
3d1c799d72 Use (a slightly modified) llvm.css for llvmc2 docs. 
llvm-svn: 57566
 2008-10-15 09:27:44 +00:00
Dan Gohman
65702b2eb8 Now that predicates can be composed, simplify several of 
the predicates by extending simple predicates to create
more complex predicates instead of duplicating the logic
for the simple predicates.

This doesn't reduce much redundancy in DAGISelEmitter.cpp's
generated source yet; that will require improvements to
DAGISelEmitter.cpp's instruction sorting, to make it more
effectively group nodes with similar predicates together.

llvm-svn: 57565
 2008-10-15 06:50:19 +00:00
Mon P Wang
98c2e01394 Removed pinsrd and pinsrq intrinsics because the code generator does not support 
them since they map to insert element

llvm-svn: 57564
 2008-10-15 06:27:16 +00:00
Dan Gohman
1bf4053aa8 Add support for having multiple predicates on a TreePatternNode. 
This will allow predicates to be composed, which will allow the
predicate definitions to become less redundant, and eventually
will allow DAGISelEmitter.cpp to emit less redundant code.

llvm-svn: 57562
 2008-10-15 06:17:21 +00:00
Chris Lattner
33e7093540 regenerate 
llvm-svn: 57561
 2008-10-15 06:16:57 +00:00
Chris Lattner
9449f199b3 Fix the .ll grammar rules to allow any type before an 'i32', not just an 
integer type.  Invalid things like 'float 42' are now rejected by the
semantic analysis in the productions not the parser.  This fixes PR2733.

llvm-svn: 57560
 2008-10-15 06:16:45 +00:00
Chris Lattner
33079f9c37 regenerate 
llvm-svn: 57559
 2008-10-15 06:03:48 +00:00
Chris Lattner
dc80d9772a Eliminate the "IntType ::= INTTYPE" production, just use 
INTTYPE everywhere.

llvm-svn: 57558
 2008-10-15 06:03:37 +00:00
Chris Lattner
d91c01484c add a note 
llvm-svn: 57557
 2008-10-15 05:53:25 +00:00
Chris Lattner
7194e8406a add support for folding immediates into stores when they 
are due to argument passing in calls.  This is significant because
it hits all immediate arguments to calls on x86-32.

llvm-svn: 57556
 2008-10-15 05:38:32 +00:00
Chris Lattner
214643296b fold immediates into stores in simple cases, this produces diffs like 
this:

-	movl	$0, %eax
-	movl	%eax, _yy_n_chars
+	movl	$0, _yy_n_chars

llvm-svn: 57555
 2008-10-15 05:30:52 +00:00
Chris Lattner
5716b8daa4 fold compare of null pointer into compare with 0. 
llvm-svn: 57553
 2008-10-15 05:18:04 +00:00
Chris Lattner
928e8e5092 Some minor cleanups: 
1. Compute action in X86SelectSelect based on MVT instead of type.
2. Use TLI.getValueType(..) instead of MVT::getVT(..) because the former
   handles pointers and the later doesn't.
3. Don't pass TLI into isTypeLegal, since it already has access to it as 
   an ivar.

#2 gives fast isel some minor new functionality: handling load/stores of
pointers.

llvm-svn: 57552
 2008-10-15 05:07:36 +00:00
Chris Lattner
da69b5e401 Use switch on VT instead of Type* comparisons. 
llvm-svn: 57551
 2008-10-15 04:32:45 +00:00
Chris Lattner
052e062f08 Use X86FastEmitCompare for FCMP_OEQ and FCMP_UNE: it doesn't 
change the generated code, but makes the code simpler.

llvm-svn: 57550
 2008-10-15 04:29:23 +00:00
Chris Lattner
d7024dafbf refactor compare emission out into a new X86FastEmitCompare method, 
which makes it easy to share the compare/imm folding logic with 'setcc'.
This shaves a bunch of instructions off the common select case, which
happens a lot in llvm-gcc.

llvm-svn: 57549
 2008-10-15 04:26:38 +00:00
Chris Lattner
cbea6edde5 Fold immediates into compares when possible, producing "cmp $4, %eax" instead of 
loading 4 into a register and then doing the compare.

llvm-svn: 57548
 2008-10-15 04:13:29 +00:00
Chris Lattner
905dbd0dea more minor refactoring of X86SelectBranch, no functionality change. 
llvm-svn: 57547
 2008-10-15 04:02:26 +00:00
Chris Lattner
99d88895b6 factor buildmi calls in X86SelectBranch 
llvm-svn: 57546
 2008-10-15 03:58:05 +00:00
Chris Lattner
97e96bcca0 factor some more BuildMI's in X86SelectCmp 
llvm-svn: 57545
 2008-10-15 03:52:54 +00:00
Chris Lattner
e66c12b3f5 factor some BuildMI calls, no functionality change. 
llvm-svn: 57544
 2008-10-15 03:47:17 +00:00
Dan Gohman
2ed6f318da Adjust whitespace in debug messages to be more consistent 
with other debug messages.

llvm-svn: 57543
 2008-10-15 02:57:38 +00:00
Evan Cheng
cb8b4e9dd4 - Add target lowering hooks that specify which setcc conditions are illegal, 
i.e. conditions that cannot be checked with a single instruction. For example,
SETONE and SETUEQ on x86.
- Teach legalizer to implement *illegal* setcc as a and / or of a number of
legal setcc nodes. For now, only implement FP conditions. e.g. SETONE is
implemented as SETO & SETNE, SETUEQ is SETUO | SETEQ.
- Move x86 target over.

llvm-svn: 57542
 2008-10-15 02:05:31 +00:00
Dan Gohman
c070ffc493 FastISel support for exception-handling constructs. 
- Move the EH landing-pad code and adjust it so that it works
   with FastISel as well as with SDISel.
 - Add FastISel support for @llvm.eh.exception and
   @llvm.eh.selector.

llvm-svn: 57539
 2008-10-14 23:54:11 +00:00
Daniel Dunbar
e11e618cc6 Prevent assert when using '"' in names (via hexadecimal). 
Update LangRef to mention \xx quoting in names.

llvm-svn: 57538
 2008-10-14 23:51:43 +00:00
Daniel Dunbar
f3b4f45878 Change getLLVMName to use raw_ostream & PrintLLVMName. 
- Avoids duplicated quotification code.
 - Remove QuoteNameIfNeeded.
 - No functionality change.

llvm-svn: 57537
 2008-10-14 23:28:09 +00:00
Daniel Dunbar
2f3ec96450 Add llvm::hexdigit to StringExtras (number -> hexadecimal char) 
llvm-svn: 57536
 2008-10-14 23:26:20 +00:00
Daniel Dunbar
f78f8fdfed Add some ReleaseNotes on clang codegen. 
llvm-svn: 57535
 2008-10-14 23:25:09 +00:00
Daniel Dunbar
9dfbc7987d Remove Stacker.html from Xcode project. 
llvm-svn: 57534
 2008-10-14 23:23:59 +00:00
Dale Johannesen
19407daf55 Accept -march=i586, because gcc does (a synonym 
for pentium).  Fixes
gcc.target/i386/20000720-1.c
gcc.target/i386/pr26826.c

llvm-svn: 57528
 2008-10-14 22:06:33 +00:00
Evan Cheng
3faedff2de Rename LoadX to LoadExt. 
llvm-svn: 57526
 2008-10-14 21:26:46 +00:00
Jim Grosbach
d0ff59ec42 Update ARM Insn encoding to get endian-ness to match the documentation (31-0 left to right) 
llvm-svn: 57524
 2008-10-14 20:36:24 +00:00
Devang Patel
3e8ed97454 Remove dead code. 
llvm-svn: 57522
 2008-10-14 20:30:54 +00:00
Dan Gohman
9543edc4ef Fix command-line option printing to print two spaces where needed, 
instead of requiring all "short description" strings to begin with
two spaces. This makes these strings less mysterious, and it fixes
some cases where short description strings mistakenly did not
begin with two spaces.

llvm-svn: 57521
 2008-10-14 20:25:08 +00:00
Devang Patel
4045b6a017 Document attributes changes. 
llvm-svn: 57518
 2008-10-14 20:03:43 +00:00
Nicolas Geoffray
da65ee7fd0 Add VMKit notes. 
llvm-svn: 57517
 2008-10-14 19:23:04 +00:00
Evan Cheng
591baeed7c Combine (fcmp cc0 x, y) | (fcmp cc1 x, y) into a single fcmp when possible. 
llvm-svn: 57515
 2008-10-14 18:44:08 +00:00
Evan Cheng
778b47e6c0 - Somehow I forgot about one / une. 
- Renumber fcmp predicates to match their icmp counterparts.
- Try swapping operands to expose more optimization opportunities.

llvm-svn: 57513
 2008-10-14 18:13:38 +00:00
Evan Cheng
39a819027c Fix indentation. 
llvm-svn: 57508
 2008-10-14 17:15:39 +00:00
Evan Cheng
91528965e7 Optimize anding of two fcmp into a single fcmp if the operands are the same. e.g. uno && ueq -> ueq 
ord && olt -> olt
     ord && ueq -> oeq

llvm-svn: 57507
 2008-10-14 17:15:11 +00:00
Dan Gohman
0c6c14ef30 Mention a few methods in ConstantSDNode that were renamed. 
llvm-svn: 57505
 2008-10-14 17:06:44 +00:00
Dan Gohman
d53d4be7a8 HTML syntax fixes. 
llvm-svn: 57503
 2008-10-14 17:00:38 +00:00
Dan Gohman
75d70feb9b Fix missing end tags and invalid HTML entity syntax. 
llvm-svn: 57500
 2008-10-14 16:51:45 +00:00
Dan Gohman
7227e51b8d Add a missing close-tag. 
llvm-svn: 57497
 2008-10-14 16:32:04 +00:00
Dan Gohman
0c0b17ec3f Fix a few close tags. 
llvm-svn: 57496
 2008-10-14 16:23:02 +00:00
Dan Gohman
80b968a645 Fix a typo. 
llvm-svn: 57495
 2008-10-14 16:13:59 +00:00
Dan Gohman
6ba508d258 Add a brief mention of the new free-list management code. 
llvm-svn: 57490
 2008-10-14 15:14:55 +00:00
Gabor Greif
d22d9a65f7 minor corrections, improved formatting 
llvm-svn: 57486
 2008-10-14 11:31:14 +00:00