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Author SHA1 Message Date
Chris Lattner
3249cd7521 implement several trivial operand printers, reducing 
failures in CodeGen/PowerPC from 120 -> 117

llvm-svn: 119063
 2010-11-14 20:11:21 +00:00
Chris Lattner
8d769a7610 Implement support for printing register and immediate operands, 
add support for darwin vs aix syntax.  We now can print instructions
like this:

	add r3, r3, r4
	blr 

and (in aix mode):
	add 3, 3, 4
	blr 

llvm-svn: 119062
 2010-11-14 20:02:39 +00:00
Chris Lattner
e137166772 stub out PPCMCInstLowering, add a new option that uses it and the new 
instprinter when -enable-ppc-inst-printer is passed to llc.

llvm-svn: 119061
 2010-11-14 19:53:02 +00:00
Rafael Espindola
1884e6d475 Fix the type of a symbol created with .comm and no corresponding .type. 
llvm-svn: 119060
 2010-11-14 19:40:55 +00:00
Chris Lattner
d045c38bf6 stub out a powerpc MCInstPrinter implementation. 
llvm-svn: 119059
 2010-11-14 19:40:38 +00:00
Chris Lattner
9cdb77382f hopefully fix cmake as well. 
llvm-svn: 119058
 2010-11-14 19:12:57 +00:00
Chris Lattner
bae8eb410d fix the autoconf script to detect "has asmprinter"ness of a target by 
looking for lib/Target/*AsmPrinter.cpp.  Fix llvm-config to handle targets
that don't have an explicit AsmPrinter library.

llvm-svn: 119057
 2010-11-14 19:10:47 +00:00
Chris Lattner
cec3b226a4 move all the target's asmprinters into the main target. The piece 
that should be split out is the InstPrinter (if a target is mc'ized).
This change makes all the targets be consistent.

llvm-svn: 119056
 2010-11-14 18:43:56 +00:00
Duncan Sands
63e80e0593 If dom tree information is available, make it possible to pass 
it to get better phi node simplification.

llvm-svn: 119055
 2010-11-14 18:36:10 +00:00
Chris Lattner
38ca2c6f0f move PPCAsmPrinter into the main PPC library, like ARM and X86. 
llvm-svn: 119054
 2010-11-14 18:33:33 +00:00
Chris Lattner
7e03d38bd7 fix cmake 
llvm-svn: 119053
 2010-11-14 18:27:11 +00:00
Chris Lattner
382e09bbc0 no alpha jit support. 
llvm-svn: 119052
 2010-11-14 18:25:50 +00:00
Chris Lattner
4533444a49 remove JIT support from the Alpha backend. The JIT will be moving to MC, 
and the Alpha backend isn't MCized yet.  Approved by Andrew.

llvm-svn: 119051
 2010-11-14 18:24:41 +00:00
Dale Johannesen
05a7c613fa Segregate tests by target. 
llvm-svn: 119050
 2010-11-14 18:14:32 +00:00
Chris Lattner
3e3e29381e random acts of tidiness. 
llvm-svn: 119049
 2010-11-14 18:09:50 +00:00
Duncan Sands
617030ad18 Teach InstructionSimplify about phi nodes. I chose to have it simply 
offload the work to hasConstantValue rather than do something more
complicated (such handling mutually recursive phis) because (1) it is
not clear it is worth it; and (2) if it is worth it, maybe such logic
would be better placed in hasConstantValue.  Adjust some GVN tests
which are now cleaned up much further (eg: all phi nodes are removed).

llvm-svn: 119043
 2010-11-14 13:30:18 +00:00
Duncan Sands
9a914e2b5e Boost the power of phi node constant folding slightly: if all 
operands are the phi node itself or undef, then return undef.
This logic already existed at a higher level so in practice it
shouldn't make the slightest difference.  Note that this code
could be replaced by a call to PN->hasConstantValue().  However
since we bail out the moment we see a non-constant operand, it
is more efficient to have a specialized version of that logic.

llvm-svn: 119041
 2010-11-14 12:53:18 +00:00
NAKAMURA Takumi
091345de13 unittests/CMakeLists.txt: Add missing VMCore/ValueMapTest.cpp to VMCoreTests. 
llvm-svn: 119040
 2010-11-14 12:37:51 +00:00
Duncan Sands
ab39985d42 Strip trailing whitespace. 
llvm-svn: 119038
 2010-11-14 11:23:23 +00:00
Chris Lattner
7ade54ed02 rename test. 
llvm-svn: 119033
 2010-11-14 07:03:49 +00:00
Chris Lattner
9b45357c09 filecheckize, remove an old and useless test 
llvm-svn: 119032
 2010-11-14 07:03:38 +00:00
Chris Lattner
449c3bd7b5 this test is pretty pointless and "propogation" isn't a word (or so Misha claims). 
llvm-svn: 119031
 2010-11-14 07:02:03 +00:00
Owen Anderson
ad4f83df6a Second attempt at providing correct encodings for Thumb2 binary operators. 
llvm-svn: 119029
 2010-11-14 05:37:38 +00:00
Rafael Espindola
444d9c0b02 Handle a peculiar comdat case: Creating a section with an undefined 
signature symbol causes a local symbol to be created unless there is
some other use of the symbol.

llvm-svn: 119026
 2010-11-14 04:17:37 +00:00
NAKAMURA Takumi
44e935f199 FileCheck: Eliminate DOSish \r from input file. 
It can pass two tests below on Win32.
  - Clang :: CodeGenCXX/dyncast.cpp
  - LLVM :: CodeGen/ARM/globals.ll

llvm-svn: 119023
 2010-11-14 03:28:22 +00:00
Rafael Espindola
55e673b1c2 Simplify getSymbolIndexInSymbolTable by setting the actual index of 
the symbols.

llvm-svn: 119022
 2010-11-14 03:12:24 +00:00
Rafael Espindola
1b4c835948 Fix warning. 
llvm-svn: 119021
 2010-11-14 01:34:31 +00:00
Duncan Sands
47dddbe925 Testcase to go along with commit 118923 ("Have GVN simplify instructions 
as it goes").  Before -std-compile-opts only got it down to
  %a = tail call i32 @foo(i32 0) readnone
  %x = tail call i32 @foo(i32 %a) readnone
  %y = tail call i32 @foo(i32 %a) readnone
  %z = icmp eq i32 %x, %y
  ret i1 %z
while now -basicaa -gvn alone reduce it to
  %a = call i32 @foo(i32 0) readnone
  %x = call i32 @foo(i32 %a) readnone
  ret i1 true

llvm-svn: 119009
 2010-11-13 21:33:19 +00:00
Peter Collingbourne
4ec6b2dbe7 Recognise 32-bit ror-based bswap implementation used by uclibc 
llvm-svn: 119007
 2010-11-13 19:54:30 +00:00
Peter Collingbourne
6c3094234e Support ; as asm separator 
llvm-svn: 119006
 2010-11-13 19:54:23 +00:00
Duncan Sands
88fc6cd7fe Generalize the reassociation transform in SimplifyCommutative (now renamed to 
SimplifyAssociativeOrCommutative) "(A op C1) op C2" -> "A op (C1 op C2)",
which previously was only done if C1 and C2 were constants, to occur whenever
"C1 op C2" simplifies (a la InstructionSimplify).  Since the simplifying operand
combination can no longer be assumed to be the right-hand terms, consider all of
the possible permutations.  When compiling "gcc as one big file", transform 2
(i.e. using right-hand operands) fires about 4000 times but it has to be said
that most of the time the simplifying operands are both constants.  Transforms
3, 4 and 5 each fired once.  Transform 6, which is an existing transform that
I didn't change, never fired.  With this change, the testcase is now optimized
perfectly with one run of instcombine (previously it required instcombine +
reassociate + instcombine, and it may just have been luck that this worked).

llvm-svn: 119002
 2010-11-13 15:10:37 +00:00
Duncan Sands
6ff5e53731 Fix typo pointed out by Trevor Harmon. 
llvm-svn: 119001
 2010-11-13 12:16:27 +00:00
Bill Wendling
49dd03e223 Comment out the defms until they're activated. 
llvm-svn: 119000
 2010-11-13 11:20:05 +00:00
Bill Wendling
fadcb3cded Add uses of the *_ldst_multi multiclasses. These aren't used yet. 
llvm-svn: 118999
 2010-11-13 10:57:02 +00:00
Bill Wendling
184bc1368d Convert the modes to lower case. 
llvm-svn: 118998
 2010-11-13 10:43:34 +00:00
Bill Wendling
0a55425158 Minor cleanups: 
- Get the opcode once.
- Add a ParserMatchClass to reglist.

llvm-svn: 118997
 2010-11-13 10:40:19 +00:00
Bill Wendling
aa9ca6fcca Add *_ldst_mult multiclasses to the ARM back-end. These will be used in the 
future to separate out the ia, ib, da, db variants of the load/store multiple
instructions.

llvm-svn: 118995
 2010-11-13 09:09:38 +00:00
Daniel Dunbar
2ba9f79194 MC: Simplify Mach-O and ELF object writer implementations. 
- What was I thinking?????

llvm-svn: 118992
 2010-11-13 07:33:40 +00:00
Wesley Peck
4a2644f203 Fixed error and re-enabled MBlaze MC disassembler tests. 
llvm-svn: 118987
 2010-11-13 05:48:21 +00:00
Evan Cheng
239d9b439d Conditional moves are slightly more expensive than moves. 
llvm-svn: 118985
 2010-11-13 05:14:20 +00:00
Rafael Espindola
d2ff64abae Fix warning and add support for printing gnu_unique_object. 
llvm-svn: 118981
 2010-11-13 04:55:06 +00:00
Rafael Espindola
9cd0fd30e0 Parse and record the gnu_unique_object type. 
llvm-svn: 118980
 2010-11-13 04:51:02 +00:00
Jim Grosbach
4635621b41 Trailing whitespace. 
llvm-svn: 118978
 2010-11-13 04:17:15 +00:00
Dale Johannesen
7a2e75185a This test stops after disassembling 1 instructions on 
darwin and, judging from the buildbots, Linux.
Removing it for now, but this is not the right fix,
Wesley please look at it.

llvm-svn: 118977
 2010-11-13 03:55:04 +00:00
Rafael Espindola
00c5605efc Parse and remember discriminators in .loc line. I try to output them with 
another patch.
This lets us parse a bit more of the gcc 4.5 output.

llvm-svn: 118975
 2010-11-13 03:18:27 +00:00
Wesley Peck
5c8b28f1fe Add test cases that should have been committed with 118969. 
llvm-svn: 118974
 2010-11-13 02:51:00 +00:00
Daniel Dunbar
fef193dc12 JIT: More nitty style tweakage, aka territory marking. 
llvm-svn: 118973
 2010-11-13 02:48:57 +00:00
Daniel Dunbar
1f695efa5e report_fatal_error: Simplify a possible ambiguity. 
llvm-svn: 118972
 2010-11-13 02:48:51 +00:00
Daniel Dunbar
5517a3a720 More style nittiness. 
llvm-svn: 118971
 2010-11-13 02:48:46 +00:00
Daniel Dunbar
8b2d88846b Clean up some doxyments/style. 
llvm-svn: 118970
 2010-11-13 02:48:41 +00:00