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Author SHA1 Message Date
Evan Cheng
c6b54d5a33 Get rid of a couple of unnecessary getOpcode calls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77035 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-25 01:25:08 +00:00
Dan Gohman
eb490a7aa3 Teach ScalarEvolution to make use of no-overflow flags when 
analyzing add recurrences.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77034 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-25 01:22:26 +00:00
Dan Gohman
6c1980b335 Convert a few more uses of llvm/Support/Streams.h to raw_ostream. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77033 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-25 01:13:51 +00:00
Dan Gohman
fef8bb24de 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77032 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-25 01:13:03 +00:00
Evan Cheng
b140f4907c I've lost my mind. PR4572 has not been fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77031 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-25 01:11:46 +00:00
Dan Gohman
fc2a3ed0c9 Make AliasAnalysis and related classes use 
getAnalysisIfAvailable<TargetData>().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77028 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-25 00:48:42 +00:00
Daniel Dunbar
d5b385c09f One more getName -> getNameStr 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77027 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-25 00:43:31 +00:00
Evan Cheng
3c91f36a45 Another TODO. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77026 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-25 00:39:37 +00:00
Jeffrey Yasskin
f595d6dd9a 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77025 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-25 00:33:57 +00:00
Evan Cheng
66ac53165e 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77024 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-25 00:33:29 +00:00
Sean Callanan
4711326d60 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77023 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-25 00:30:51 +00:00
Evan Cheng
b2fa93dc1c Remove a duplicated test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77020 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-25 00:24:40 +00:00
Daniel Dunbar
ce63ffb52f 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77019 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-25 00:23:56 +00:00
Evan Cheng
90daf4d035 ARM code emitter can't handle Thumb2 instructions yet. So don't even try. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77018 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-25 00:13:11 +00:00
Daniel Dunbar
26fe866cec Tweak, raw_ostream is a ostream, not iostream replacement 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77017 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 23:54:34 +00:00
Daniel Dunbar
961f5852ca Fix build for GCC 4.0? 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77016 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 23:42:33 +00:00
Daniel Dunbar
7cdf01d6c5 Fix compile with 4.4 (I hope?); PR4617. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77015 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 23:23:46 +00:00
Andreas Bolka
0baa25d539 Forward-declare raw_ostream. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77014 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 23:19:28 +00:00
Owen Anderson
eed707b1e6 Revert the ConstantInt constructors back to their 2.5 forms where possible, thanks to contexts-on-types. More to come. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77011 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 23:12:02 +00:00
Daniel Dunbar
e8530a3d8c CodingStandards: Emphasize use of raw_ostream more. 
- Chris, please approve.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77010 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 23:04:51 +00:00
Dan Gohman
67efc56b80 AliasAnalysis wants sizes in address-units, not bits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77009 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 23:01:30 +00:00
Evan Cheng
caca2b659f Forgot this test earlier. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77007 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 22:42:45 +00:00
Evan Cheng
0bc116192d Fix these tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77006 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 22:42:22 +00:00
Eli Friedman
4e9bac3769 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...



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77005 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 21:56:17 +00:00
Evan Cheng
0b6afa8c71 Uh. It would be useful to actually print the operand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77004 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 20:47:38 +00:00
Chris Lattner
fbd3d4a5c3 fix some predicates 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76999 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 20:27:11 +00:00
Chris Lattner
0d4960c3ca change SectionKindForGlobal from being a public (and 
previously virtual) function to being a static function
in the .cpp file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76997 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 20:14:10 +00:00
Evan Cheng
40efc251cd Disable my constant island pass optimization (to make use soimm more effectively). It caused infinite looping on lencod. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76995 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 19:31:03 +00:00
Eric Christopher
a1a491c094 Move insertps tests to sse41 combo test file, convert to filecheck 
format and add an extract/insert test.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76994 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 19:24:26 +00:00
Chris Lattner
b303504a56 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76993 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 19:15:47 +00:00
Evan Cheng
49f846805e Add a workaround for Darwin assembler bug where it's not setting the thumb bit in Thumb2 jumptable entries. We now pass Olden. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76991 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 18:54:23 +00:00
Chris Lattner
f20f250b6f we already know the sectionkind when invoking SelectSectionForGlobal, 
pass it in instead of recomputing it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76990 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 18:42:53 +00:00
Chris Lattner
7420ab2191 make SectionForGlobal non-virtual, add a hook for pic16 to do its "address=" hack. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76989 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 18:34:27 +00:00
Dan Gohman
731b5d97be Fix this condition I accidentally inverted. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76988 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 18:31:07 +00:00
Jakob Stoklund Olesen
78d12644b9 Add support for promoting SETCC operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76987 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 18:22:59 +00:00
Evan Cheng
789476240d Make sure thumb2 jumptable entries are aligned. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76986 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 18:20:44 +00:00
Evan Cheng
23606e35ab Clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76984 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 18:20:16 +00:00
Evan Cheng
c324ecb7bc Replace use of std::set with SmallPtrSet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76983 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 18:19:46 +00:00
Dan Gohman
02a436c48e Convert several more passes to use getAnalysisIfAvailable<TargetData>() 
instead of getAnalysis<TargetData>().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76982 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 18:13:53 +00:00
Dan Gohman
6b118a2122 Add specific classes for Add, Sub, and Mul, for convenience. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76981 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 18:12:25 +00:00
Chris Lattner
7c023d6759 start refactoring pic16 section selection logic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76977 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 17:13:27 +00:00
Chris Lattner
2dcafe4b8f move ELF-specific code into ELFTargetAsmInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76976 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 17:02:17 +00:00
Chris Lattner
e5ca0ac36b tidy up 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76975 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 16:53:52 +00:00
Chris Lattner
27f3065cf3 split the ELF-specific section flag inference-from-name code out 
into its own helper function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76974 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 16:50:24 +00:00
Chris Lattner
8adc547a91 make SectionFlagsForGlobal a private static function instead of a public 
virtual one.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76973 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 16:46:50 +00:00
Chris Lattner
104bbd10e4 move a method up in the file, GV is always non-null, so remove a check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76972 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 16:44:01 +00:00
Chris Lattner
3df6d5d83b There is no need to pass the name into lib/Target/TargetAsmInfo.cpp 
when we have a global with no section explicitly specified.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76971 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 16:40:45 +00:00
Chris Lattner
d0418ce890 remove a use of SectionFlagsForGlobal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76970 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 16:40:09 +00:00
Daniel Dunbar
895c9ede1f Another getName -> getNameStr 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76967 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 12:21:08 +00:00
Daniel Dunbar
a717b7be88 More move to raw_ostream. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76966 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 10:47:20 +00:00