Commit Graph

87109 Commits

Author SHA1 Message Date
Adhemerval Zanella
375cbe4143 This patch fixes the Altivec addend construction for the fused multiply-add
instruction (vmaddfp) to conform with IEEE to ensure the sign of a zero
result when resulting product is -0.0.

The -0.0 vector addend to vmaddfp is generated by a creating a vector
with full bits sets and then shifting each elements by 31-bits to the
left, resulting in a vector of 0x80000000 (or -0.0 as float).

The 'buildvec_canonicalize.ll' was adjusted to reflect this change and
the 'vec_mul.ll' was complemented with the float vector multiplication
test.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168998 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-30 13:05:44 +00:00
Evgeniy Stepanov
98c63d0e1c [msan] Tests for vector manipulation instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168997 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-30 12:12:20 +00:00
Chandler Carruth
4334dd96a9 Switch LLVM_USE_RVALUE_REFERENCES to LLVM_HAS_RVALUE_REFERENCES.
Rationale:
1) This was the name in the comment block. ;]
2) It matches Clang's __has_feature naming convention.
3) It matches other compiler-feature-test conventions.

Sorry for the noise. =]

I've also switch the comment block to use a \brief tag and not duplicate
the name.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168996 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-30 11:45:22 +00:00
Kostya Serebryany
a17babb021 [asan] simplify the code around doesNotReturn call. It now magically works.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168995 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-30 11:08:59 +00:00
Chandler Carruth
a5bf44b0b3 Separate out the tests for whether the compiler suports R-value
references from whether it supports an R-value reference *this. No
version of GCC today supports the latter, which breaks GCC C++11
compiles of LLVM and Clang now.

Also add doxygen comments clarifying what's going on here, and update
the usage in Optional. I'll update the usages in Clang next.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168993 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-30 11:04:18 +00:00
Patrik Hagglund
58b4553549 More strict error checking in parseSpecifier + simplified code.
For example, don't allow empty strings to be passed to getInt.

Move asserts inside parseSpecifier. (One day we may want to pass parse
error messages to the user - from LLParser - instead of using asserts,
but keep the code simple until then. There have been an attempt to do
this. See r142288, which got reverted, and r142605.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168991 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-30 10:06:59 +00:00
Chandler Carruth
66ea2f9986 Fix non-determinism introduced in r168970 and pointed out by Duncan.
We're iterating over a non-deterministically ordered container looking
for two saturating flags. To do this correctly, we have to saturate
both, and only stop looping if both saturate to their final value.
Otherwise, which flag we see first changes the result.

This is also a micro-optimization of the previous version as now we
don't go into the (possibly expensive) test logic once the first
violation of either constraint is detected.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168989 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-30 09:34:29 +00:00
Chandler Carruth
06ec7211c1 Rearrange the comments, control flow, and variable names; no
functionality changed.

Evan's commit r168970 moved the code that the primary comment in this
function referred to to the other end of the function without moving the
comment, and there has been a steady creep of "boolean" logic in it that
is simpler if handled via early exit. That way each special case can
have its own comments. I've also made the variable name a bit more
explanatory than "AllFit". This is in preparation to fix the
non-deterministic output of this function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168988 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-30 09:26:25 +00:00
Eric Christopher
67587f462e Add the rest of the experimental fission sections to MC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168986 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-30 06:47:06 +00:00
Jyotsna Verma
b76c710aab Use multiclass for the store instructions with MEMri operand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168983 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-30 06:10:22 +00:00
Jyotsna Verma
65502aa5fd Use multiclass for the load instructions with 'base + register offset'
addressing mode.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168976 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-30 04:19:09 +00:00
Meador Inge
63f932ca3c Move library call simplification statistic to instcombine
The simplify-libcalls pass maintained a statistic to count the number
of library calls that have been simplified.  Now that library call
simplification is being carried out in instcombine the statistic should
be moved to there.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168975 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-30 04:05:06 +00:00
Chandler Carruth
84bcf93e0f Move the InstVisitor utility into VMCore where it belongs. It heavily
depends on the IR infrastructure, there is no sense in it being off in
Support land.

This is in preparation to start working to expand InstVisitor into more
special-purpose visitors that are still generic and can be re-used
across different passes. The expansion will go into the Analylis tree
though as nothing in VMCore needs it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168972 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-30 03:08:41 +00:00
Evan Cheng
40eef5fe36 Fix logic to determine whether to turn a switch into a lookup table. When
the tables cannot fit in registers (i.e. bitmap), do not emit the table
if it's using an illegal type.

rdar://12779436


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168970 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-30 02:02:42 +00:00
Preston Briggs
a4eff77e37 Modified dump() to provide a little
more information for dependences between
instructions that don't share a common loop.

Updated the test results appropriately.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168965 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-30 00:44:47 +00:00
Jordan Rose
adf0c3d82d Add a new C++11 compatibility macro, LLVM_LVALUE_FUNCTION.
This expands to '&', and is intended to be used when an /optional/ rvalue
override is available.

Before:
  void foo() const { ... }

After:
  void foo() const LLVM_LVALUE_FUNCTION { ... }
  void foo() && { ... }

This is used to allow moving the contents of an Optional.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168963 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-30 00:38:53 +00:00
Kevin Enderby
1c83093cd5 Fixed the arm disassembly of invalid BFI instructions to not build a bad MCInst
which would then cause an assert when printed.  rdar://11437956


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168960 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 23:47:11 +00:00
Eric Christopher
5cf823cd82 More comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168952 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 22:56:13 +00:00
Dan Gohman
c63ee60ef0 Update comment for malloc being a library call now, rather than an instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168946 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 21:58:47 +00:00
Michael Ilseman
4b896dd613 copyFastMathFlags utility and test case
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168943 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 21:25:12 +00:00
Eli Bendersky
e8832680f8 Add a FileCheck test that makes sure two different CHECKs won't match the
same string


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168942 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 21:24:44 +00:00
Dan Gohman
78532fd6ef Update my email address.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168941 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 21:17:26 +00:00
Chad Rosier
33634833aa Whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168937 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 20:58:08 +00:00
Chad Rosier
a04d6c948c Fix 80-column violations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168936 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 20:56:58 +00:00
Benjamin Kramer
f56c3e28b9 Object: Pass the buffer name through when making a copy.
Should bring the buildbots back to life.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168935 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 20:08:03 +00:00
Quentin Colombet
8facb9ecf2 Add cortex-a5 subtarget to the supported ARM architectures
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168933 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 19:48:01 +00:00
Justin Holewinski
db62a883a7 Cleanup recent addition of DAGTypeLegalizer::SplitVecOp_VSELECT
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168932 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 19:42:09 +00:00
Shuxin Yang
84fca61ca5 rdar://12100355 (part 1)
This revision attempts to recognize following population-count pattern:

 while(a) { c++; ... ; a &= a - 1; ... },
  where <c> and <a>could be used multiple times in the loop body.

 TODO: On X8664 and ARM, __buildin_ctpop() are not expanded to a efficent 
instruction sequence, which need to be improved in the following commits.

Reviewed by Nadav, really appreciate!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168931 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 19:38:54 +00:00
Bill Wendling
7360116048 Handle the situation where CodeGenPrepare removes a reference to a BB that has
the last invoke instruction in the function. This also removes the last landing
pad in an function. This is fine, but with SjLj EH code, we've already placed a
bunch of code in the 'entry' block, which expects the landing pad to stick
around.

When we get to the situation where CGP has removed the last landing pad, go
ahead and nuke the SjLj instructions from the 'entry' block.
<rdar://problem/12721258>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168930 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 19:38:06 +00:00
Jyotsna Verma
b53b791efd Use multiclass for 'transfer' instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168929 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 19:35:44 +00:00
Nadav Rotem
3d1a975026 No need to run LICM after loop vectorization because we dont generate invariant code any more.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168928 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 19:28:29 +00:00
Nadav Rotem
dddaad624e When broadcasting invariant scalars into vectors, place the broadcast code in the preheader.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168927 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 19:25:41 +00:00
Dmitri Gribenko
c8c3dbd911 Documentation for FileCheck: use 'option' and 'program' directives.
This enables option cross-referencing and now '--' in option names are no more turned into en dashes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168926 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 19:21:02 +00:00
Meador Inge
aa8cccf129 instcombine: Migrate puts optimizations
This patch migrates the puts optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

All the simplifiers from simplify-libcalls have now been migrated to
instcombine.  Yay!  Just a few other bits to migrate (prototype attribute
inference and a few statistics) and simplify-libcalls can finally be put
to rest.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168925 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 19:15:17 +00:00
Dmitri Gribenko
f2c87b1c05 Documentation for llvm-link: reformat
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168924 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 19:14:35 +00:00
Jim Grosbach
596e474101 Fix a memory leak in MachOObjectFile.
MachOObjectFile owns a MachOObj, but never frees it. Both MachOObjectFile
and MachOObj want to own the MemoryBuffer, though, so we have to be careful
and give them each one of their own.

Thanks to Greg Clayton, Eric Christopher and Michael Spencer for helping
figure out what's going wrong here.

rdar://12561773

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168923 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 19:14:11 +00:00
Dmitri Gribenko
90d0e7e8be Documentation for llvm-cov: reformat
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168922 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 19:10:21 +00:00
Benjamin Kramer
7d4253af16 Follow up to 168711: It's safe to base this analysis on the found compare, just return the value for the right predicate.
Thanks to Andy for catching this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168921 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 19:07:57 +00:00
Dmitri Gribenko
b36be80510 Documentation for llvm-stress: reformat
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168920 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 19:05:55 +00:00
Dmitri Gribenko
f03b5e947b Documentation for opt: reformat
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168919 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 19:02:50 +00:00
Andrew Trick
ffc9ee4bbf Improve isImpliedCond comment a bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168914 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 18:35:13 +00:00
Alexey Samsonov
d6f62c8da5 [ASan] Simplify check added in r168861. Bail out from module pass early if the module is blacklisted.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168913 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 18:27:01 +00:00
Dmitri Gribenko
dff966c9d8 Documentation for llc: reformat.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168912 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 18:16:11 +00:00
Matt Beaumont-Gay
cb5d04a904 Apply Takumi's patch to suppress unused-variable warnings in -Asserts builds.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168911 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 18:15:49 +00:00
Alexey Samsonov
ee548275c6 Add options to AddressSanitizer passes to make them configurable by frontend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168910 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 18:14:24 +00:00
Shuxin Yang
07149b7797 fix a typo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168909 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 18:09:37 +00:00
Dmitri Gribenko
bc5fb06785 Documentation for lit: more formatting: use 'option' and 'program' directives.
This enables cross-referencing and now '--' in option names are no more turned into en dashes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168906 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 18:03:08 +00:00
Pedro Artigas
6eda081345 One more step towards making doInitialization and doFinalization useful for
start up and clean up module passes, now that ASAN and TSAN are fixed the
tests pass



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168905 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 17:47:05 +00:00
Dmitri Gribenko
6a144e40b0 Documentation for tblgen: formatting
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168904 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 17:41:05 +00:00
Dmitri Gribenko
e26b62cb61 Documentation for lit: formatting improvements.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168902 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 17:05:34 +00:00