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64024 Commits

Author SHA1 Message Date
Anders Carlsson 3b484b928d More work on the constant struct builder. We can now convert the struct to a packed struct when necessary. 
llvm-svn: 77038
 2009-07-25 01:40:29 +00:00
Evan Cheng c1a5cfa9a0 Get rid of a couple of unnecessary getOpcode calls. 
llvm-svn: 77035
 2009-07-25 01:25:08 +00:00
Dan Gohman 62ef6a7f1c Teach ScalarEvolution to make use of no-overflow flags when 
analyzing add recurrences.

llvm-svn: 77034
 2009-07-25 01:22:26 +00:00
Dan Gohman 29f2baf3b3 Convert a few more uses of llvm/Support/Streams.h to raw_ostream. 
llvm-svn: 77033
 2009-07-25 01:13:51 +00:00
Dan Gohman 0b89dff37d Instead of eagerly creating new SCEVs to replace all SCEVs that are 
affected after a PHI node has been analyzed, just remove affected
SCEVs from the Scalars map, so that they'll be (lazily) recreated as
needed. This avoids creating SCEV objects that aren't actually needed.

Also, rewrite the associated def-use walking code to be non-recursive
and to continue traversing past Instructions that don't have an
entry in the Scalars map.

llvm-svn: 77032
 2009-07-25 01:13:03 +00:00
Evan Cheng 3b5791f982 I've lost my mind. PR4572 has not been fixed. 
llvm-svn: 77031
 2009-07-25 01:11:46 +00:00
Fariborz Jahanian f464edf81f Some code refactoring per Daniel's feedback. 
llvm-svn: 77030
 2009-07-25 01:08:28 +00:00
Dan Gohman 43d19d61d4 Make AliasAnalysis and related classes use 
getAnalysisIfAvailable<TargetData>().

llvm-svn: 77028
 2009-07-25 00:48:42 +00:00
Daniel Dunbar 67395e7c2c One more getName -> getNameStr 
llvm-svn: 77027
 2009-07-25 00:43:31 +00:00
Evan Cheng b2c22f00de Another TODO. 
llvm-svn: 77026
 2009-07-25 00:39:37 +00:00
Jeffrey Yasskin f4e1db1722 Add a missing ilist_node.h #include to SparseBitVector, and add a very short 
test for it. The test is by no means complete, but it tests the problem I was
fixing.

llvm-svn: 77025
 2009-07-25 00:33:57 +00:00
Evan Cheng f3a1fce8ae Change Thumb2 jumptable codegen to one that uses two level jumps: 
Before:
      adr r12, #LJTI3_0_0
      ldr pc, [r12, +r0, lsl #2]
LJTI3_0_0:
      .long    LBB3_24
      .long    LBB3_30
      .long    LBB3_31
      .long    LBB3_32

After:
      adr r12, #LJTI3_0_0
      add pc, r12, +r0, lsl #2
LJTI3_0_0:
      b.w    LBB3_24
      b.w    LBB3_30
      b.w    LBB3_31
      b.w    LBB3_32

This has several advantages.
1. This will make it easier to optimize this to a TBB / TBH instruction +
   (smaller) table.
2. This eliminate the need for ugly asm printer hack to force the address
   into thumb addresses (bit 0 is one).
3. Same codegen for pic and non-pic.
4. This eliminate the need to align the table so constantpool island pass
   won't have to over-estimate the size.

Based on my calculation, the later is probably slightly faster as well since
ldr pc with shifter address is very slow. That is, it should be a win as long
as the HW implementation can do a reasonable job of branch predict the second
branch.

llvm-svn: 77024
 2009-07-25 00:33:29 +00:00
Sean Callanan bcf2ae6aa5 MemoryObject - Abstract base class for contiguous addressable memory. 
Necessary for cases in which the memory is in another process, in a
  file, or on a remote machine.

The primary use for this is the llvm-mc disassemblers, so that they
can be targeted at arbitrary objects, not just in-process memory.

llvm-svn: 77023
 2009-07-25 00:30:51 +00:00
Anders Carlsson e9e9abb2fb Whoops, did not mean to check this in. 
llvm-svn: 77022
 2009-07-25 00:26:00 +00:00
Anders Carlsson 87a9a34e5b More work on the constant struct builder. We now try to layout all constant structs but throw away the result. 
llvm-svn: 77021
 2009-07-25 00:24:56 +00:00
Evan Cheng 8c8e88bd39 Remove a duplicated test. 
llvm-svn: 77020
 2009-07-25 00:24:40 +00:00
Daniel Dunbar 0dd5e1ed39 More migration to raw_ostream, the water has dried up around the iostream hole. 
- Some clients which used DOUT have moved to DEBUG. We are deprecating the
   "magic" DOUT behavior which avoided calling printing functions when the
   statement was disabled. In addition to being unnecessary magic, it had the
   downside of leaving code in -Asserts builds, and of hiding potentially
   unnecessary computations.

llvm-svn: 77019
 2009-07-25 00:23:56 +00:00
Evan Cheng f297256136 ARM code emitter can't handle Thumb2 instructions yet. So don't even try. 
llvm-svn: 77018
 2009-07-25 00:13:11 +00:00
Daniel Dunbar 4bd53c6479 Tweak, raw_ostream is a ostream, not iostream replacement 
llvm-svn: 77017
 2009-07-24 23:54:34 +00:00
Daniel Dunbar 15d3967f92 Fix build for GCC 4.0? 
llvm-svn: 77016
 2009-07-24 23:42:33 +00:00
Daniel Dunbar b2dc296910 Fix compile with 4.4 (I hope?); PR4617. 
llvm-svn: 77015
 2009-07-24 23:23:46 +00:00
Andreas Bolka c76c723e25 Forward-declare raw_ostream. 
llvm-svn: 77014
 2009-07-24 23:19:28 +00:00
Owen Anderson b7a2fe6f81 Update for LLVM API change. 
llvm-svn: 77012
 2009-07-24 23:12:58 +00:00
Owen Anderson edb4a70325 Revert the ConstantInt constructors back to their 2.5 forms where possible, thanks to contexts-on-types. More to come. 
llvm-svn: 77011
 2009-07-24 23:12:02 +00:00
Daniel Dunbar fcd54f73bf CodingStandards: Emphasize use of raw_ostream more. 
- Chris, please approve.

llvm-svn: 77010
 2009-07-24 23:04:51 +00:00
Dan Gohman 85a791ef7a AliasAnalysis wants sizes in address-units, not bits. 
llvm-svn: 77009
 2009-07-24 23:01:30 +00:00
Evan Cheng 01740ab57b Forgot this test earlier. 
llvm-svn: 77007
 2009-07-24 22:42:45 +00:00
Evan Cheng aee0e1f48c Fix these tests. 
llvm-svn: 77006
 2009-07-24 22:42:22 +00:00
Eli Friedman 5c9cdb3e3a Fix assert assembling zero-argument constant GEP. 
There's still a strict-aliasing violation here, but I don't feel like 
dealing with that right now...

llvm-svn: 77005
 2009-07-24 21:56:17 +00:00
Evan Cheng c64ce30c67 Uh. It would be useful to actually print the operand. 
llvm-svn: 77004
 2009-07-24 20:47:38 +00:00
Douglas Gregor a6ef8f0813 Template instantiation for static data members that are defined out-of-line. 
Note that this also fixes a bug that affects non-template code, where we 
were not treating out-of-line static data members are "file-scope" variables,
and therefore not checking their initializers.

llvm-svn: 77002
 2009-07-24 20:34:43 +00:00
Fariborz Jahanian 4dcc53f312 Fixes broken test by accident. 
llvm-svn: 77001
 2009-07-24 20:33:35 +00:00
Fariborz Jahanian a5c335527d More Sema check for constructor's member initializer along 
with type conversion to fix ir-gen crash.

llvm-svn: 77000
 2009-07-24 20:28:49 +00:00
Chris Lattner 70fa4661eb fix some predicates 
llvm-svn: 76999
 2009-07-24 20:27:11 +00:00
Ted Kremenek b9cb11391d In the "use of floating point variable as loop counter" check, check 
if the DeclRefExpr is a float, not just either argument.

llvm-svn: 76998
 2009-07-24 20:26:31 +00:00
Chris Lattner a39aaa5fd5 change SectionKindForGlobal from being a public (and 
previously virtual) function to being a static function
in the .cpp file.

llvm-svn: 76997
 2009-07-24 20:14:10 +00:00
Ted Kremenek 9c3952c03e Have 'clang --analyze' run syntactic static analysis security checks. 
llvm-svn: 76996
 2009-07-24 20:03:11 +00:00
Evan Cheng c26c76ec1d Disable my constant island pass optimization (to make use soimm more effectively). It caused infinite looping on lencod. 
llvm-svn: 76995
 2009-07-24 19:31:03 +00:00
Eric Christopher fae639c9ad Move insertps tests to sse41 combo test file, convert to filecheck 
format and add an extract/insert test.

llvm-svn: 76994
 2009-07-24 19:24:26 +00:00
Chris Lattner 708e559247 make SectionKindForGlobal target independent, and therefore non-virtual. 
It's classifications now include elf-specific discriminators.  Targets
that don't have these features (like darwin and pecoff) simply treat
data.rel like data, etc.

llvm-svn: 76993
 2009-07-24 19:15:47 +00:00
Mike Stump d3bb557559 Fix 80-col violations, reflow a few comments and zap some extra 
whitespace at ends of lines.

llvm-svn: 76992
 2009-07-24 19:02:52 +00:00
Evan Cheng 5a49c54061 Add a workaround for Darwin assembler bug where it's not setting the thumb bit in Thumb2 jumptable entries. We now pass Olden. 
llvm-svn: 76991
 2009-07-24 18:54:23 +00:00
Chris Lattner 73f6651439 we already know the sectionkind when invoking SelectSectionForGlobal, 
pass it in instead of recomputing it.

llvm-svn: 76990
 2009-07-24 18:42:53 +00:00
Chris Lattner bf9ac228f7 make SectionForGlobal non-virtual, add a hook for pic16 to do its "address=" hack. 
llvm-svn: 76989
 2009-07-24 18:34:27 +00:00
Dan Gohman 0b5be94c79 Fix this condition I accidentally inverted. 
llvm-svn: 76988
 2009-07-24 18:31:07 +00:00
Jakob Stoklund Olesen 1ae0736830 Add support for promoting SETCC operations. 
llvm-svn: 76987
 2009-07-24 18:22:59 +00:00
Evan Cheng 666c912ce3 Make sure thumb2 jumptable entries are aligned. 
llvm-svn: 76986
 2009-07-24 18:20:44 +00:00
Anders Carlsson 5e66fb5d16 Fix a release build warning. 
llvm-svn: 76985
 2009-07-24 18:20:38 +00:00
Evan Cheng 886f303480 Clean up. 
llvm-svn: 76984
 2009-07-24 18:20:16 +00:00
Evan Cheng 986fc8e74b Replace use of std::set with SmallPtrSet. 
llvm-svn: 76983
 2009-07-24 18:19:46 +00:00