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Commit Graph

99448 Commits

Author SHA1 Message Date
Craig Topper
85026d9375 Allow x86 mov instructions to/from memory with absolute address to be encoded and disassembled with a segment override prefix. Fixes PR16962.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199364 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-16 07:36:58 +00:00
Rafael Espindola
4500ebda77 Use a slightly smaller hack.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199363 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-16 07:36:00 +00:00
Quentin Colombet
6b925d4ed2 Revert r199361: Now, the sanitizer got the change
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199362 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-16 07:29:07 +00:00
Quentin Colombet
75d95de0ae [LTO] Modify lto.exports to force the sanitizer to rebuilt LTO.exports
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199361 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-16 07:14:01 +00:00
Bill Wendling
f847b5bbad Fix typo: : not ;
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199359 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-16 07:08:22 +00:00
Rui Ueyama
fb432acff8 llmv-objdump/COFF: Print export table contents.
This patch adds the capability to dump export table contents. An example
output is this:

  Export Table:
   Ordinal      RVA  Name
         5   0x2008  exportfn1
         6   0x2010  exportfn2

By adding this feature to llvm-objdump, we will be able to use it to check
export table contents in LLD's tests. Currently we are doing binary
comparison in the tests, which is fragile and not readable to humans.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199358 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-16 07:05:49 +00:00
Rafael Espindola
9dcfdf61a8 CommentColumn is always 40. Simplify.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199357 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-16 07:04:11 +00:00
Quentin Colombet
23262fb8a0 [cmake] Attempt to fix sanitizer buildbot.
The generation of the native_export_file end up in
several different makefiles. All those makefiles
write the same file, but can be executed concurrently...
and bad things happen!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199356 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-16 06:43:55 +00:00
Rafael Espindola
2cc9ba0125 Convert test to FileCheck.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199355 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-16 06:31:20 +00:00
Bill Wendling
a950ad4eec Reapply r194218 with fix:
Move copying of global initializers below the cloning of functions.

The BlockAddress doesn't have access to the correct basic blocks until the
functions have been cloned. This causes the BlockAddress to point to the old
values. Just wait until the functions have been cloned before copying the
initializers.
PR13163

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199354 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-16 06:29:36 +00:00
Craig Topper
fab01c1908 Remove use of OpSize for populating VEX_PP field. A prefix encoding is now used instead. Simplify some other code. No functional changes intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199353 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-16 06:14:45 +00:00
Rafael Espindola
da47fb533a Attempt to fix the MSVC build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199352 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-16 05:09:32 +00:00
Arnold Schwaighofer
8963071a14 BasicAA: We need to check both access sizes when comparing a gep and an
underlying object of unknown size.

Fixes PR18460.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199351 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-16 04:53:18 +00:00
Rafael Espindola
59c2fe1af1 Prevent calls to __jit_debug_register_code from being optimized out.
Patch by Andrew MacPherson. I just tweaked the comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199350 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-16 04:50:58 +00:00
Rui Ueyama
6a8151dba1 Don't use DataRefImpl to implement ImportDirectoryEntryRef.
DataRefImpl (a union of two integers and a pointer) is not the ideal data type
to represent a reference to an import directory entity. We should just use the
pointer to the import table and an offset instead to simplify. No functionality
change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199349 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-16 03:13:19 +00:00
Manman Ren
2666b15908 Report a warning when dropping outdated debug info metadata.
Use DiagnosticInfo to emit the warning.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199346 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-16 01:51:12 +00:00
Reed Kotler
897473a28d Adjust offsets for max load instruction offsets. This is more pessimistic
than it needs to be by 1 bit but I need to finish some other things so 
that all the boundary cases will work in that situation. constpool.c
in test-suite will fail to assemble under our new internal test-suite sync
without this change.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199343 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-16 00:47:46 +00:00
Rui Ueyama
d12cef8281 llvm-objdump: Don't print "Import table:" header if there's no import table.
If a binary does not depend on any DLL, it does not contain import table at
all. Printing the section title without contents looks wrong, so we shouldn't
print it in that case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199340 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 23:46:18 +00:00
David Peixotto
a034c96443 Fix parsing of .symver directive on ARM
ARM assembly syntax uses @ for a comment, execpt for the second
parameter of the .symver directive which requires @ as part of the
symbol name. This commit fixes the parsing of this directive by
adding a special case for ARM for this one argumnet.

To make the change we had to move the AllowAtInIdentifier variable
to the MCAsmLexer interface (from AsmLexer) and expose a setter for
the value.  The ELFAsmParser then toggles this value when parsing
the second argument to the .symver directive for a target that
uses @ as a comment symbol


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199339 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 22:40:02 +00:00
Quentin Colombet
4c831d97bf [LTO] Add a hook to map LLVM diagnostics into the clients of LTO.
Add a hook in the C API of LTO so that clients of the code generator can set
their own handler for the LLVM diagnostics.
The handler is defined like this:
typedef void (*lto_diagnostic_handler_t)(lto_codegen_diagnostic_severity_t
severity, const char *diag, void *ctxt)
- severity says how bad this is.
- diag is a string that contains the diagnostic message.
- ctxt is the registered context for this handler.

This hook is more general than the lto_get_error_message, since this function
keeps only the latest message and can only be queried when something went wrong
(no warning for instance).

<rdar://problem/15517596>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199338 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 22:04:35 +00:00
Bob Wilson
7fa843cfef Remove support for armv7f slice. <rdar://problem/12478440>
This was never used for anything so we should just get rid of it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199337 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 21:44:14 +00:00
Chandler Carruth
070764ee85 Use a heavier hammer when --enable-libcpp is passed to bypass the tests
which catch buggy versions of libstdc++. While libc++ would pass them,
we don't actually update the state in the configure script to use libc++
when we pass --enable-libcpp, the logic for that is in the
Makefiles. So just completely skip the library test when that configure
flag is passed.

Hopefully this will be enough to fix the darwin bots at last, and thanks
to Duncan Smith for getting things set up so I can watch the bots myself
on lab.llvm.org and see any failures!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199334 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 21:21:48 +00:00
Andrea Di Biagio
36280bde58 Update test/CodeGen/X86/vbinop-simplify-bug.ll.
Redirect the output of llc to /dev/null.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199329 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 20:16:14 +00:00
Andrea Di Biagio
3cab648f22 [DAGCombiner] Fix a wrong check in method SimplifyVBinOp.
This fixes a regression intruced by r199135.

Revision 199135 tried to simplify part of the logic in method
DAGCombiner::SimplifyVBinOp introducing calls to method BuildVectorSDNode::isConstant().

However, that revision wrongly changed the check performed by method
SimplifyVBinOp to identify dag nodes that can be folded.
Before revision 199135, that method only tried to simplify vector binary operations
if both operands were build_vector of Constant/ConstantFP/Undef only.

After revision 199135, method SimplifyVBinop tried to
simplify also vector binary operations with only one constant operand.

This fixes the problem restoring the old behavior of SimplifyVBinOp.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199328 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 19:51:32 +00:00
Rafael Espindola
1fca78a9b1 Return an ErrorOr<Binary *> from createBinary.
I did write a version returning ErrorOr<OwningPtr<Binary> >, but it is too
cumbersome to use without std::move. I will keep the patch locally and submit
when we switch to c++11.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199326 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 19:37:43 +00:00
Chandler Carruth
0893113a05 Sink the autoconf check for sufficiently modern host toolchain below the
enable flag that selects the C++ standard library to use with the host
toolchain. Otherwise we end up testing the wrong config.

I'm not really happy about this placement, but its pragmatic and should
unblock the Apple builders.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199325 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 19:19:13 +00:00
Kevin Enderby
96f3b25e8a Update the X86 assembler for .intel_syntax to accept
the | and & bitwise operators.

rdar://15570412


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199323 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 19:05:24 +00:00
Rafael Espindola
03f1cb72a4 Make sure we create a new archive by deleting any stale ones first.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199319 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 16:56:57 +00:00
Zoran Jovanovic
814c8910f2 LL and SC decoder method fix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199316 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 13:17:33 +00:00
Zoran Jovanovic
f5c2d3896b Added support for LWU microMIPS instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199315 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 13:01:18 +00:00
Chandler Carruth
9ac0e23865 Fix a bug in r199313 where I failed to restore CXXFLAGS. Doh! Not
*quite* ready to just slam C++11 on by default.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199314 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 10:34:30 +00:00
Chandler Carruth
9c62b5eabb Add a check to configure that the libstdc++ selected by Clang isn't
libstdc++v4.6. This is quite hard to test directly, so we test for it by
checking a known missing feature in that version that was added in v4.7.

This should prevent users from upgrading Clang but not GCC and hosting
with a too-old GCC's libstdc++ and getting strange and hard to debug
errors when we switch to C++11 by default.

Also, switch several of the macros I introduced to use AC_LANG_SOURCE
rather than AC_LANG_PROGRAM as we don't need configure's help writing
our main function (and we don't need such a function at all for most of
the tests).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199313 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 10:31:15 +00:00
David Majnemer
f62176f047 WinCOFF: Transform IR expressions featuring __ImageBase into image relative relocations
MSVC on x64 requires that we create image relative symbol
references to refer to RTTI data. Seeing as how there is no way to
explicitly make reference to a given relocation type in LLVM IR, pattern
match expressions of the form &foo - &__ImageBase.

Differential Revision: http://llvm-reviews.chandlerc.com/D2523


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199312 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 09:16:42 +00:00
Renato Golin
f433beee88 Revert 199262 - MCJIT remote still failing on ARM
Disabling remote MCJIT tests on ARM again, as they're still failing when
self-hosting on ARM, despite all my tests. At least now we have more info
on what message it's breaking and what is going on. Investigating.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199310 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 09:09:46 +00:00
Renato Golin
fdd4da1f8b Re-disable MCJIT remote tests on ARM
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199309 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 09:09:39 +00:00
NAKAMURA Takumi
7871309054 Whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199305 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 08:21:38 +00:00
Kostya Serebryany
3846ce9490 replace LeakSanitizerIsTurnedOffForTheCurrentProcess with __lsan_is_turned_off, but this time hide it under __has_feature(address_sanitizer); also include <sanitizer/lsan_interface.h>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199303 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 07:59:37 +00:00
Elena Demikhovsky
a1bcd56f68 Fixed identation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199301 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 07:18:11 +00:00
Andrew Trick
d5a74a754d Fix PR18449: SCEV needs more precise max BECount for multi-exit loop.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199299 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 06:42:11 +00:00
Craig Topper
33ce2bd3de Add OpSize16 to the two byte forms of INC/DEC that we only use in 64-bit mode and a 64-bit only LEA. Even though we'll not be in 16-bit mode when we use them it makes their tables consistent with their 32-bit counterparts.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199297 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 05:20:59 +00:00
Jiangning Liu
b6db372c96 For AArch64, lowering sext_inreg and generate optimized code by using SXTL.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199296 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 05:08:01 +00:00
Craig Topper
38e6f7301d Simplify x86 disassembler table handling of when to use TYPE_Rv/TYPE_R16/TYPE_R32 now that HasOpSizePrefix only means 16-bit instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199295 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 05:02:02 +00:00
Hans Wennborg
89fa06ba0f Switch-to-lookup tables: set threshold to 3 cases
There has been an old FIXME to find the right cut-off for when it's worth
analyzing and potentially transforming a switch to a lookup table.

The switches always have two or more cases. I could not measure any speed-up
by transforming a switch with two cases. A switch with three cases gets a nice
speed-up, and I couldn't measure any compile-time regression, so I think this
is the right threshold.

In a Clang self-host, this causes 480 new switches to be transformed,
and reduces the final binary size with 8 KB.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199294 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 05:00:27 +00:00
Rafael Espindola
27a41c1547 Check the error code and save a call to sys::fs::exists.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199293 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 04:49:50 +00:00
Arnold Schwaighofer
e96fec2e43 LoopVectorize: Only strip casts from integer types when replacing symbolic
strides

Fixes PR18480.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199291 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 03:35:46 +00:00
Rafael Espindola
574df95d7a Fix uninitialized variable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199288 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 03:27:26 +00:00
Rafael Espindola
f6cb056e41 Only mark functions as micromips.
The GNU as behavior is a bit different and very strange. It will mark any
label that contains an instruction. We can implement that, but using the
type looks more natural since gas will not mark a function if a .word is
used to output the instructions!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199287 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 03:07:12 +00:00
Hans Wennborg
268226b9f3 LangRef.rst: fix LangRef data layout text about m specifier, take 2
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199286 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 02:49:17 +00:00
Hans Wennborg
37a98536bd LangRef: attempt to fix line breaks
The line breaks around the "m:<mangling>" text in the Data Layout section
look weird. Let's see if this helps.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199285 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 02:30:37 +00:00
Weiming Zhao
2a0c41756b PR 18466: Fix ARM Pseudo Expansion
When expanding neon pseudo stores, it may miss the implicit uses of sub
regs, which may cause post RA scheduler reorder instructions that
breakes anti dependency.

For example:
  VST1d64QPseudo %R0<kill>, 16, %Q9_Q10, pred:14, pred:%noreg
  will be expanded to
    VST1d64Q %R0<kill>, 16, %D18, pred:14, pred:%noreg;

An instruction that defines %D20 may be scheduled before the store by
mistake.

This patches adds implicit uses for such case. For the example above, it
emits:
  VST1d64Q %R0<kill>, 8, %D18, pred:14, pred:%noreg, %Q9_Q10<imp-use>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199282 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 01:32:12 +00:00