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Commit Graph

109033 Commits

Author SHA1 Message Date
Lang Hames
ff617b77f3 [MCJIT] Make repeat calls to MCJIT::getPointerToFunction for declarations safe.
MCJIT::getPointerForFunction adds the resulting address to the global mapping.
This should be done via updateGlobalMapping rather than addGlobalMapping, since
the latter asserts if a mapping already exists.

MCJIT::getPointerToFunction is actually deprecated - hopefully we can remove it
(or more likely re-task it) entirely soon. In the mean time it should at least
work as advertised.

<rdar://problem/18727946>

llvm-svn: 220444
2014-10-22 23:18:42 +00:00
David Majnemer
3dcde7d270 Attempt to fix the build after r220439
llvm-svn: 220440
2014-10-22 22:46:05 +00:00
Derek Schuff
c767cbf942 [MC] Attach labels to existing fragments instead of using a separate fragment
Summary:
Currently when emitting a label, a new data fragment is created for it if the
current fragment isn't a data fragment.
This change instead enqueues the label and attaches it to the next fragment
(e.g. created for the next instruction) if possible.

When bundle alignment is not enabled, this has no functionality change (it
just results in fewer extra fragments being created). For bundle alignment,
previously labels would point to the beginning of the bundle padding instead
of the beginning of the emitted instruction. This was not only less efficient
(e.g. jumping to the nops instead of past them) but also led to miscalculation
of the address of the GOT (since MC uses a label difference rather than
emitting a "." symbol).

Fixes https://code.google.com/p/nativeclient/issues/detail?id=3982

Test Plan: regression test attached

Reviewers: jvoung, eliben

Subscribers: jfb, llvm-commits

Differential Revision: http://reviews.llvm.org/D5915

llvm-svn: 220439
2014-10-22 22:38:06 +00:00
Colin LeMahieu
88461f5b7a [Hexagon] Adding encoding bits for add opcode.
Adding llvm-mc tests.
Removing unit tests.

http://reviews.llvm.org/D5624

llvm-svn: 220427
2014-10-22 20:58:35 +00:00
Chad Rosier
19ef65a831 [AArch64] Add support for the .inst directive.
This has been implement using the MCTargetStreamer interface as is done in the
ARM, Mips and PPC backends.

Phabricator: http://reviews.llvm.org/D5891
PR20964

llvm-svn: 220422
2014-10-22 20:35:57 +00:00
Peter Collingbourne
995034d1b1 Go: add binding for LLVMSetUnnamedAddr.
llvm-svn: 220416
2014-10-22 20:20:27 +00:00
Benjamin Kramer
a6c059251d Strength reduce constant-sized vectors into arrays. No functionality change.
llvm-svn: 220412
2014-10-22 19:55:26 +00:00
Peter Collingbourne
373678636f Do not add -gsplit-dwarf to LLVM_DEFINITIONS.
This would cause the flag to appear in the output of "llvm-config --cppflags",
which should contain only preprocessor flags. The -gsplit-dwarf flag in
particular can cause problems with certain downstream users such as cgo.

Differential Revision: http://reviews.llvm.org/D5895

llvm-svn: 220410
2014-10-22 19:49:19 +00:00
Benjamin Kramer
7eb4c6d7ca LoopVectorize: Simplify code. No functionality change.
llvm-svn: 220405
2014-10-22 19:13:54 +00:00
Diego Novillo
e87aec19c1 Shorten auto iterators for function basic blocks.
Use consistent naming for basic block instances.

No functional changes.

llvm-svn: 220404
2014-10-22 18:39:50 +00:00
Matt Arsenault
192429493a Fix number of operands in documentation for minnum / maxnum
llvm-svn: 220402
2014-10-22 18:25:02 +00:00
Justin Bogner
91c1c31b3d test: Make this test runnable in directories with @ in their names
Jenkins likes to use directories with names involving the '@'
character, which breaks the sed expression in this test. Switch to use
'|' on the assumption that it's less likely to show up in a path.

llvm-svn: 220401
2014-10-22 18:18:54 +00:00
Hans Wennborg
dbfab2bba5 Fix VS2012 build; C++11 type aliases are not supported.
llvm-svn: 220399
2014-10-22 17:47:49 +00:00
Colin LeMahieu
f359444940 Ammending 220393 - Removing unused decoding tables.
llvm-svn: 220397
2014-10-22 17:23:01 +00:00
Colin LeMahieu
05568816b4 Ammending 220393 - Removing unused functions.
llvm-svn: 220396
2014-10-22 17:03:19 +00:00
Bill Schmidt
1033a05374 [PATCH] Support select-cc for VSFRC when VSX is enabled
A previous patch enabled SELECT_VSRC and SELECT_CC_VSRC for VSX to
handle <2 x double> cases.  This patch adds SELECT_VSFRC and
SELECT_CC_VSFRC to allow use of all 64 vector-scalar registers for the
f64 type when VSX is enabled.  The changes are analogous to those in
the previous patch.  I've added a new variant to vsx.ll to test the
code generation.

(I also cleaned up a little formatting in PPCInstrVSX.td from the
previous patch.)

llvm-svn: 220395
2014-10-22 16:58:20 +00:00
Diego Novillo
bdc18f1388 Use auto iteration in lib/Transforms/Scalar/SampleProfile.cpp. No functional changes.
llvm-svn: 220394
2014-10-22 16:51:50 +00:00
Colin LeMahieu
f6f8bdf091 [Hexagon] Adding basic disassembler.
Marking all instructions as CodeGenOnly since encoding bits are not set yet.
http://reviews.llvm.org/D5829?vs=on&id=15023&whitespace=ignore-all#toc

llvm-svn: 220393
2014-10-22 16:49:14 +00:00
Philip Reames
9ac0ad927c Preserving 'nonnull' metadata in SimplifyCFG
When we hoist two loads above an if, we can preserve the nonnull metadata.  We could also do the same for sinking them, but we appear to not handle metadata at all in that case.

Thanks to Hal for the review.

Differential Revision: http://reviews.llvm.org/D5910

llvm-svn: 220392
2014-10-22 16:37:13 +00:00
Sanjay Patel
2e19fa34bb Shrinkify libcalls: use float versions of double libm functions with fast-math (bug 17850)
When a call to a double-precision libm function has fast-math semantics 
(via function attribute for now because there is no IR-level FMF on calls), 
we can avoid fpext/fptrunc operations and use the float version of the call
if the input and output are both float.

We already do this optimization using a command-line option; this patch just
adds the ability for fast-math to use the existing functionality.

I moved the cl::opt from InstructionCombining into SimplifyLibCalls because
it's only ever used internally to that class.

Modified the existing test cases to use the unsafe-fp-math attribute rather
than repeating all tests.

This patch should solve: http://llvm.org/bugs/show_bug.cgi?id=17850

Differential Revision: http://reviews.llvm.org/D5893

llvm-svn: 220390
2014-10-22 15:29:23 +00:00
Rafael Espindola
d5fc2ad2f5 Make two helper functions static.
llvm-svn: 220389
2014-10-22 15:05:51 +00:00
Diego Novillo
d46a4d6eb2 Change error to warning when a profile cannot be found.
When the profile for a function cannot be applied, we use to emit an
error. This seems extreme. The compiler can continue, it's just that the
optimization opportunities won't include profile information.

llvm-svn: 220386
2014-10-22 13:36:35 +00:00
Bill Schmidt
884633f291 [PowerPC] Support select-cc for VSX
The tests test/CodeGen/Generic/select-cc.ll and
test/CodeGen/PowerPC/select-cc.ll both fail with VSX enabled.  The
problem is that the lowering logic for the SELECT and SELECT_CC
operations doesn't currently support the VSX registers.  This patch
fixes that.

In lib/Target/PowerPC/PPCInstrInfo.td, we have pseudos to handle this
for other register classes.  Similar pseudos are added in
PPCInstrVSX.td (they must be there, because the "vsrc" register class
definition appears there) for the VSRC register class.  The
SELECT_VSRC pseudo is then used in pattern matching for SELECT_CC.

The rest of the patch just adds logic for SELECT_VSRC wherever similar
logic appears for SELECT_VRRC.

There are no new test cases because the existing tests above test
this, along with a variant in test/CodeGen/PowerPC/vsx.ll.

After discussion with Hal, a future patch will add similar _VSFRC
variants to override f64 type handling (currently using F8RC).

llvm-svn: 220385
2014-10-22 13:13:40 +00:00
Aaron Ballman
ef1bb4257a Fixing a -Wsign-compare warning; NFC.
I think it might make sense to make COFF::MaxNumberOfSections16 be a uint32_t, however, that may have wider-reaching implications in other projects, which is why I did not change that declaration.

llvm-svn: 220384
2014-10-22 13:09:43 +00:00
Diego Novillo
f3c6118ba0 Support using sample profiles with partial debug info.
Summary:
When using a profile, we used to require the use -gmlt so that we could
get access to the line locations. This is used to match line numbers in
the input profile to the line numbers in the function's IR.

But this is actually not necessary. The driver can provide source
location tracking without the emission of debug information. In these
cases, the annotation 'llvm.dbg.cu' is missing from the IR, but the
actual line location annotations are still present.

This patch adds a new way of looking for the start of the current
function. Instead of looking through the compile units in llvm.dbg.cu,
we can walk up the scope for the first instruction in the function with
a debug loc. If that describes the function, we use it. Otherwise, we
keep looking until we find one.

If no such instruction is found, we then give up and produce an error.

Reviewers: echristo, dblaikie

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D5887

llvm-svn: 220382
2014-10-22 12:59:00 +00:00
Arnaud A. de Grandmaison
e8d641238b [AArch64] Cleanup A57PBQPConstraints
And add a long awaited testcase.

llvm-svn: 220381
2014-10-22 12:40:20 +00:00
Bruno Cardoso Lopes
245f9d6493 [InstSimplify] Support constant folding to vector of pointers
ConstantFolding crashes when trying to InstSimplify the following load:

@a = private unnamed_addr constant %mst {
     i8* inttoptr (i64 -1 to i8*),
     i8* inttoptr (i64 -1 to i8*)
}, align 8

%x = load <2 x i8*>* bitcast (%mst* @a to <2 x i8*>*), align 8

This patch fix this by adding support to this type of folding:

%x = load <2 x i8*>* bitcast (%mst* @a to <2 x i8*>*), align 8
==> gets folded to:
  %x = <2 x i8*> <i8* inttoptr (i64 -1 to i8*), i8* inttoptr (i64 -1 to i8*)>

llvm-svn: 220380
2014-10-22 12:18:48 +00:00
Jyoti Allur
555583e57e [Thumb/Thumb2] Implement restrictions on SP in register list on LDM, STM variants in thumb mode
llvm-svn: 220379
2014-10-22 10:41:14 +00:00
Peter Zotov
f8c5e569b2 [OCaml] Fix a typo in documentation.
llvm-svn: 220377
2014-10-22 10:24:05 +00:00
Matt Arsenault
74b15f304e R600/SI: Add another failing testcase for i1 copies
It's not handling phis.

llvm-svn: 220371
2014-10-22 05:30:42 +00:00
Matt Arsenault
e3406c32bb R600/SI: Add failing testcase reduced from OpenCV
This fails the verifier with:
"Expected a VCSrc_32 register, but got a VReg_1 register"

llvm-svn: 220368
2014-10-22 04:26:10 +00:00
Rafael Espindola
c82df04466 Handle spaces and quotes in file names in MRI scripts.
llvm-svn: 220364
2014-10-22 03:10:56 +00:00
Rafael Espindola
1cc1b9191d Fix a gcc warning.
Thanks to Filipe Cabecinhas for the report.

llvm-svn: 220361
2014-10-22 02:23:31 +00:00
Filipe Cabecinhas
0a2ee00e2f Silence gcc's -Wcomment
gcc's (4.7, I think) -Wcomment warning is not "as smart" as clang's and
warns even if the line right after the backslash-newline sequence only has
a line comment that starts at the beginning of the line.

llvm-svn: 220360
2014-10-22 02:16:06 +00:00
Daniel Dunbar
0e45326cc9 [lit] Fix Python-3 compatibility, patch by Dan Liew.
llvm-svn: 220357
2014-10-22 01:26:06 +00:00
Daniel Dunbar
ab9d73a70e [lit] Bump version number.
llvm-svn: 220355
2014-10-22 00:48:23 +00:00
Daniel Dunbar
685b3765e0 Fix ShTest parsing error when a keyword line doesn't end with a newline.
llvm-svn: 220354
2014-10-22 00:34:31 +00:00
Matt Arsenault
c95fbccb3f Fix typo
llvm-svn: 220353
2014-10-22 00:28:59 +00:00
Matt Arsenault
66f5850df1 Try to fix documentation bot warning
llvm-svn: 220352
2014-10-22 00:15:53 +00:00
Evgeniy Stepanov
a0ac0578a6 [msan] Handle param-tls overflow.
ParamTLS (shadow for function arguments) is of limited size. This change
makes all arguments that do not fit unpoisoned, and avoids writing
past the end of a TLS buffer.

llvm-svn: 220351
2014-10-22 00:12:40 +00:00
Hans Wennborg
b55f26d3d1 Revert "Teach the load analysis to allow finding available values which require" (r220277)
This seems to have caused PR21330.

llvm-svn: 220349
2014-10-21 23:49:52 +00:00
Lang Hames
30fea694b9 [MCJIT] Defer application of AArch64 MachO GOT relocations until resolve time.
On AArch64, GOT references are page relative (ADRP + LDR), so they can't be
applied until we know exactly where, within a page, the GOT entry will be in
the target address space.

Fixes <rdar://problem/18693976>.

llvm-svn: 220347
2014-10-21 23:41:15 +00:00
Rafael Espindola
2cfc7cef2c MRI scripts: Add addlib support.
llvm-svn: 220346
2014-10-21 23:18:51 +00:00
JF Bastien
be14e0d9dd LTO: respect command-line options that disable vectorization.
Summary: Patches 202051 and 208013 added calls to LTO's PassManager which unconditionally add LoopVectorizePass and SLPVectorizerPass instead of following the logic in PassManagerBuilder::populateModulePassManager and honoring the -vectorize-loops -run-slp-after-loop-vectorization flags.

Reviewers: nadav, aschwaighofer, yijiang

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D5884

llvm-svn: 220345
2014-10-21 23:18:21 +00:00
Rafael Espindola
57a9dbf097 Use a range loop. NFC.
llvm-svn: 220344
2014-10-21 23:04:55 +00:00
Matt Arsenault
2257f6b589 Add minnum / maxnum codegen
llvm-svn: 220342
2014-10-21 23:01:01 +00:00
Matt Arsenault
74dd906076 Add minnum / maxnum intrinsics
These are named following the IEEE-754 names for these
functions, rather than the libm fmin / fmax to avoid
possible ambiguities. Some languages may implement something
resembling fmin / fmax which return NaN if either operand is
to propagate errors. These implement the IEEE-754 semantics
of returning the other operand if either is a NaN representing
missing data.

llvm-svn: 220341
2014-10-21 23:00:20 +00:00
Duncan P. N. Exon Smith
38802ea9da IR: Reorder metadata bitcode serialization, NFC
Enumerate `MDNode`'s operands *before* the node itself, so that the
reader requires less RAUW.  Although this will cause different code
paths to be hit in the reader, this should effectively be no
functionality change.

llvm-svn: 220340
2014-10-21 22:27:47 +00:00
Matt Arsenault
98d33a4281 R600/SI: Add missing parameter to div_fmas intrinsic
llvm-svn: 220338
2014-10-21 22:20:55 +00:00
Duncan P. N. Exon Smith
ac50c13623 IR: Remove dead code in metadata bitcode writing, NFC
No one cares how many uses each metadata value has, so don't bother
counting.

llvm-svn: 220337
2014-10-21 22:13:34 +00:00