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Commit Graph

101229 Commits

Author SHA1 Message Date
Justin Bogner
4f1ecbd889 llvm-profdata: Make "merge" into a subcommand.
We'll be adding a few more subcommands in the near future.

llvm-svn: 204211
2014-03-19 02:20:46 +00:00
Justin Bogner
69b293fa05 llvm-profdata: Update to use the naive text format with function hash
This also uses line_iterator to simplify the parsing logic.

llvm-svn: 204210
2014-03-19 02:20:42 +00:00
Rafael Espindola
36d4b62fae Make the test harder by using a non-zero offset.
llvm-svn: 204205
2014-03-19 00:26:58 +00:00
Pete Cooper
ecaf9d531b When destroying a StringMap, just iterate over the map and destroy the contained elements. Don't reset them back to 0 as their values aren't needed any more. This results in ~StringMap() being mostly empty for POD types in BumpPtrAllocators
llvm-svn: 204204
2014-03-19 00:23:30 +00:00
Rafael Espindola
31c3d7c986 Revert "Add back r203962, r204028 and r204059."
This reverts commit r204178.

llvm-svn: 204203
2014-03-19 00:13:43 +00:00
David Blaikie
37f715972a DebugInfo: Use the comp_dir of the referencing type units when building debug_line.dwo
This isn't a complete fix - it falls back to non-comp_dir when multiple
compile units are in play. Adding a map of comp_dir to table is part of
the more general solution, but I gave up (in the short term) when I
realized I'd also have to calculate the size of each type unit so as to
produce correct DW_AT_stmt_list attributes.

llvm-svn: 204202
2014-03-19 00:11:28 +00:00
Eli Bendersky
ee591c4154 Expose "noduplicate" attribute as a property for intrinsics.
The "noduplicate" function attribute exists to prevent certain optimizations
from duplicating calls to the function. This is important on platforms where
certain function call duplications are unsafe (for example execution barriers
for CUDA and OpenCL).

This patch makes it possible to specify intrinsics as "noduplicate" and
translates that to the appropriate function attribute.

llvm-svn: 204200
2014-03-18 23:51:07 +00:00
Rui Ueyama
d98881f480 Object/COFF: Add function to check if section number is reserved one.
Differential Revision: http://llvm-reviews.chandlerc.com/D3103

llvm-svn: 204199
2014-03-18 23:37:53 +00:00
NAKAMURA Takumi
cc2cdbef09 Move yet another test that requires ARM to an ARM test directory.
llvm-svn: 204198
2014-03-18 23:12:09 +00:00
Jim Grosbach
ae21470955 Move tests that require ARM to an ARM test directory.
llvm-svn: 204197
2014-03-18 22:43:59 +00:00
Duncan P. N. Exon Smith
6fc0b70a7b Fix use_iterator crash in ObjCArc from r203364
The use_iterator redesign in r203364 introduced an increment past the
end of a range in -objc-arc-contract.  Added an explicit check for the
end of the range.

<rdar://problem/16333235>

llvm-svn: 204195
2014-03-18 22:32:43 +00:00
Jim Grosbach
916580a07d C++ style comments
llvm-svn: 204194
2014-03-18 22:13:13 +00:00
Jim Grosbach
4dbf47a060 Tidy up. Update per naming conventions.
No functional change.

llvm-svn: 204192
2014-03-18 22:09:10 +00:00
Jim Grosbach
d25aed4de9 MachO: Emit a version-min load command when possible.
When deployment target version information is available, emit it to the
target streamer for inclusion in the object file.

rdar://11337778

llvm-svn: 204191
2014-03-18 22:09:08 +00:00
Jim Grosbach
7f5f32ad56 Darwin: Add assembler directives to create version-min load commands.
Allow object files to be tagged with a version-min load command for iOS
or MacOSX.

Teach macho-dump to understand the version-min load commands for
testcases.

rdar://11337778

llvm-svn: 204190
2014-03-18 22:09:05 +00:00
Jim Grosbach
ed7f2e77fa MachO: Comment fields in the version_min load command.
llvm-svn: 204189
2014-03-18 22:08:58 +00:00
Chandler Carruth
536fb8893d [LV] While I'm here, use range based for loops which are so much cleaner
for this kind of walk.

llvm-svn: 204188
2014-03-18 22:00:32 +00:00
Chandler Carruth
9fa85c489d [LV] The actual change I intended to commit in r204148. Sorry for the
noise.

Original commit log:
Replace some dead code with an assert. When I first ported this pass
from a loop pass to a function pass I did so in the naive, recursive
way. It doesn't actually work, we need a worklist instead. When
I switched to the worklist I didn't delete the naive recursion. That
recursion was also buggy because it was dead and never really exercised.

llvm-svn: 204187
2014-03-18 21:58:38 +00:00
Chandler Carruth
4ac3e74751 [LV] Replace some dead code with an assert. When I first ported this
pass from a loop pass to a function pass I did so in the naive,
recursive way. It doesn't actually work, we need a worklist instead.
When I switched to the worklist I didn't delete the naive recursion.
That recursion was also buggy because it was dead and never really
exercised.

llvm-svn: 204184
2014-03-18 21:51:46 +00:00
Eric Christopher
40adcd40e2 More header and forward declaration cleanup.
llvm-svn: 204183
2014-03-18 21:44:12 +00:00
Eric Christopher
fd9bb8e5aa Add back the headers we're getting via (likely) transitive includes.
We really do use these things in the header.

llvm-svn: 204180
2014-03-18 20:58:35 +00:00
Rafael Espindola
4dfb01ef67 Add back r203962, r204028 and r204059.
This reverts commit r204137.

This includes a fix for handling aliases of aliases.

llvm-svn: 204178
2014-03-18 20:40:38 +00:00
Eric Christopher
7269e6876d Fix for coding style.
llvm-svn: 204177
2014-03-18 20:39:54 +00:00
Eric Christopher
de6cbc6841 Remove a bunch of unnecessary includes and forward declarations.
llvm-svn: 204176
2014-03-18 20:37:10 +00:00
Hans Wennborg
114745e7d4 X86 memcpy lowering: use "rep movs" even when esi is used as base pointer
For functions where esi is used as base pointer, we would previously fall back
from lowering memcpy with "rep movs" because that clobbers esi.

With this patch, we just store esi in another physical register, and restore
it afterwards. This adds a little bit of register preassure, but the more
efficient memcpy should be worth it.

Differential Revision: http://llvm-reviews.chandlerc.com/D2968

llvm-svn: 204174
2014-03-18 20:04:34 +00:00
Rui Ueyama
aa5f20ceeb Use early returns to reduce nesting.
llvm-svn: 204171
2014-03-18 18:58:51 +00:00
Michael Zolotukhin
b974cb54e8 Fix test lsr-normalization.ll broken in r204161.
llvm-svn: 204166
2014-03-18 18:17:59 +00:00
Raul E. Silvera
8ab4c5794b Add support for scalarizing/splitting vector bswap.
Summary:
  SLP Vectorization of intrinsics (r203707) has exposed cases where the
  expansion of vector bswap is failing (PR19151).

Reviewers: hfinkel

CC: chandlerc

Differential Revision: http://llvm-reviews.chandlerc.com/D3104

llvm-svn: 204163
2014-03-18 17:49:12 +00:00
Adrian Prantl
09abeac799 Debug info: Remove OdrMemberMap from DwarfDebug, it's not necessary.
Follow-up to r203982.

llvm-svn: 204162
2014-03-18 17:41:15 +00:00
Michael Zolotukhin
a73e842ea7 Add stride normalization to SCEV Normalize/Denormalize transformation.
llvm-svn: 204161
2014-03-18 17:34:03 +00:00
Andrea Di Biagio
b329156058 [DAGCombiner] teach how to simplify xor/and/or nodes according to the following rules:
1)  (AND (shuf (A, C, Mask), shuf (B, C, Mask)) -> shuf (AND (A, B), C, Mask)
 2)  (OR  (shuf (A, C, Mask), shuf (B, C, Mask)) -> shuf (OR  (A, B), C, Mask)
 3)  (XOR (shuf (A, C, Mask), shuf (B, C, Mask)) -> shuf (XOR (A, B), V_0, Mask)

 4)  (AND (shuf (C, A, Mask), shuf (C, B, Mask)) -> shuf (C, AND (A, B), Mask)
 5)  (OR  (shuf (C, A, Mask), shuf (C, B, Mask)) -> shuf (C, OR  (A, B), Mask)
 6)  (XOR (shuf (C, A, Mask), shuf (C, B, Mask)) -> shuf (V_0, XOR (A, B), Mask)

llvm-svn: 204160
2014-03-18 17:12:59 +00:00
Manuel Jacob
b550acfd2d X86: Use enums for memory operand decoding instead of integer literals.
Summary:
X86BaseInfo.h defines an enum for the offset of each operand in a memory operand
sequence.  Some code uses it and some does not.  This patch replaces (hopefully)
all remaining locations where an integer literal was used instead of this enum.
No functionality change intended.

Reviewers: nadav

CC: llvm-commits, t.p.northover

Differential Revision: http://llvm-reviews.chandlerc.com/D3108

llvm-svn: 204158
2014-03-18 16:14:11 +00:00
Krzysztof Parzyszek
d2f1561895 Enable CFI on Hexagon.
llvm-svn: 204157
2014-03-18 16:02:37 +00:00
Bill Schmidt
ec1edc24b0 Fix PR19144: Incorrect offset generated for int-to-fp conversion at -O0.
When converting a signed 32-bit integer to double-precision floating point on
hardware without a lfiwax instruction, we have to instead use a lfd followed
by fcfid.  We were erroneously offsetting the address by 4 bytes in
preparation for either a lfiwax or lfiwzx when generating the lfd.  This fixes
that silly error.

This was not caught in the test suite since the conversion tests were run with
-mcpu=pwr7, which implies availability of lfiwax.  I've added another test
case for older hardware that checks the code we expect in the absence of
lfiwax and other flavors of fcfid.  There are fewer tests in this test case
because we punt to DAG selection in more cases on older hardware.  (We must
generate complex fiddly sequences in those cases, and there is marginal
benefit in duplicating that logic in fast-isel.)

llvm-svn: 204155
2014-03-18 14:32:50 +00:00
Evgeniy Stepanov
4e42dcfe00 [msan] Origin tracking with history.
LLVM part of MSan implementation of advanced origin tracking,
when we record not only creation point, but all locations where
an uninitialized value was stored to memory, too.

llvm-svn: 204151
2014-03-18 13:30:56 +00:00
Diego Novillo
119221ccbc Tolerate unmangled names in sample profiles.
Summary:
The compiler does not always generate linkage names. If a function
has been inlined and its body elided, its linkage name may not be
generated.

When the binary executes, the profiler will use its unmangled name
when attributing samples. This results in unmangled names in the
input profile.

We are currently failing hard when this happens. However, in this case
all that happens is that we fail to attribute samples to the inlined
function. While this means fewer optimization opportunities, it should
not cause a compilation failure.

This patch accepts all valid function names, regardless of whether
they were mangled or not.

Reviewers: chandlerc

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D3087

llvm-svn: 204142
2014-03-18 12:03:12 +00:00
Alexander Kornienko
8ea3406726 Revert r203962 and two revisions depending on it: r204028 and r204059.
The revision I'm reverting breaks handling of transitive aliases. This blocks us
and breaks sanitizer bootstrap:
http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-bootstrap/builds/2651
(and checked locally by Alexey).

This revision is the result of:

  svn merge -r204059:204058 -r204028:204027 -r203962:203961 .

+ the regression test added to test/MC/ELF/alias.s

Another way to reproduce the regression with clang:
  $ cat q.c
  void a1();
  void a2() __attribute__((alias("a1")));
  void a3() __attribute__((alias("a2")));
  void a1() {}

  $ ~/work/llvm-build/bin/clang-3.5-good -c q.c && mv q.o good.o && \
      ~/work/llvm-build/bin/clang-3.5-bad -c q.c && mv q.o bad.o && \
      objdump -t good.o bad.o

    good.o:     file format elf64-x86-64

    SYMBOL TABLE:
    0000000000000000 l    df *ABS*  0000000000000000 q.c
    0000000000000000 l    d  .text  0000000000000000 .text
    0000000000000000 l    d  .data  0000000000000000 .data
    0000000000000000 l    d  .bss   0000000000000000 .bss
    0000000000000000 l    d  .comment       0000000000000000 .comment
    0000000000000000 l    d  .note.GNU-stack        0000000000000000 .note.GNU-stack
    0000000000000000 l    d  .eh_frame      0000000000000000 .eh_frame
    0000000000000000 g     F .text  0000000000000006 a1
    0000000000000000 g     F .text  0000000000000006 a2
    0000000000000000 g     F .text  0000000000000006 a3



    bad.o:     file format elf64-x86-64

    SYMBOL TABLE:
    0000000000000000 l    df *ABS*  0000000000000000 q.c
    0000000000000000 l    d  .text  0000000000000000 .text
    0000000000000000 l    d  .data  0000000000000000 .data
    0000000000000000 l    d  .bss   0000000000000000 .bss
    0000000000000000 l    d  .comment       0000000000000000 .comment
    0000000000000000 l    d  .note.GNU-stack        0000000000000000 .note.GNU-stack
    0000000000000000 l    d  .eh_frame      0000000000000000 .eh_frame
    0000000000000000 g     F .text  0000000000000006 a1
    0000000000000000 g     F .text  0000000000000006 a2
    0000000000000000 g       .text  0000000000000000 a3

llvm-svn: 204137
2014-03-18 10:36:11 +00:00
Renato Golin
1ffbd3a5f9 Add IAS/EHABI changes to release notes
llvm-svn: 204134
2014-03-18 10:16:15 +00:00
NAKAMURA Takumi
fc7fe0c42b DebugIRTests: Fixup for r204130.
llvm-svn: 204132
2014-03-18 09:58:28 +00:00
Evgeniy Stepanov
cfd1cf2b01 [msan] Kill -msan-store-clean-origin flag.
Not only is it slower than the alternative, but also subtly broken.
This commit does not change the default behavior.

llvm-svn: 204131
2014-03-18 09:47:06 +00:00
Alon Mishne
70ba46ff38 [C++11] Change DebugInfoFinder to use range-based loops
Also changes the iterators to return actual DI type over MDNode.

llvm-svn: 204130
2014-03-18 09:41:07 +00:00
Evgeniy Stepanov
7ad8a1f5a2 [msan] Remove unused code.
llvm-svn: 204125
2014-03-18 08:29:42 +00:00
Craig Topper
f7e1d669fe [C++11] Mark the target fast isel classes as 'final' so that the compiler can de-virtualize some of the internal calls.
llvm-svn: 204123
2014-03-18 07:27:13 +00:00
Alexey Samsonov
c29886ea05 [C++11] Change the interface of getCOFF{Section,Relocation,Symbol} to make it work with range-based for loops.
Reviewers: ruiu

Reviewed By: ruiu

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D3097

llvm-svn: 204120
2014-03-18 06:53:02 +00:00
NAKAMURA Takumi
a0deabb112 CodeGen/R600/v_cndmask.ll: Relax an expression to unbreak msvcrt.
V_CNDMASK_B32_e64 v0, v0, -1.#QNAN0e+00, s[2:3], 0, 0, 0, 0

FIXME: We really need to implement our formatter...
llvm-svn: 204118
2014-03-18 06:17:22 +00:00
NAKAMURA Takumi
24c711e6ca DebugInfo/lto-comp-dir.ll: Tweak for dos path.
llvm-svn: 204117
2014-03-18 06:01:14 +00:00
Saleem Abdulrasool
208386ebfa ARM: add an assertion
Add an assertion that a valid section is referenced.  The potential NULL pointer
dereference was identified by the clang static analyzer.

llvm-svn: 204114
2014-03-18 05:26:55 +00:00
Adrian Prantl
2858669a6f DwarfDebug: Only unique retained types instead of all types.
This is a follow-up to r203983 based on feedback from dblaikie and mren (Thanks!)
No functionality change.

llvm-svn: 204107
2014-03-18 02:35:03 +00:00
Adrian Prantl
c28a560ab2 Switch the type field in DIVariable and DIGlobalVariable over to DITypeRefs.
This allows us to catch more opportunities for ODR-based type uniquing
during LTO.
Paired commit with CFE which updates some testcases to verify the new
DIBuilder behavior.

llvm-svn: 204106
2014-03-18 02:34:58 +00:00
Adrian Prantl
ca108f3f54 Replace unnecessary #include directive with forward declarations.
llvm-svn: 204104
2014-03-18 02:34:52 +00:00