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Now that we've moved to C++14, we no longer need the llvm::make_unique
implementation from STLExtras.h. This patch is a mechanical replacement
of (hopefully) all the llvm::make_unique instances across the monorepo.
Differential revision: https://reviews.llvm.org/D66259
llvm-svn: 368942
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Builtins-*-sunos :: compiler_rt_logbf_test.c currently FAILs on Solaris, both SPARC and
x86, 32 and 64-bit.
It turned out that this is due to different behaviour of logb depending on the C
standard compiled for, as documented on logb(3M):
RETURN VALUES
Upon successful completion, these functions return the exponent of x.
If x is subnormal:
o For SUSv3-conforming applications compiled with the c99 com-
piler driver (see standards(7)), the exponent of x as if x
were normalized is returned.
o Otherwise, if compiled with the cc compiler driver, -1022,
-126, and -16382 are returned for logb(), logbf(), and
logbl(), respectively.
Studio c99 and gcc control this by linking with the appropriate version of values-xpg[46].o, but clang uses neither of those.
The following patch fixes this by following what gcc does, as corrected some time ago in
Fix use of Solaris values-Xc.o (PR target/40411)
https://gcc.gnu.org/ml/gcc-patches/2018-01/msg02350.html and
https://gcc.gnu.org/ml/gcc-patches/2018-01/msg02384.html.
Tested on x86_64-pc-solaris2.11, sparcv9-sun-solaris2.11, and x86_64-pc-linux-gnu.
Differential Revision: https://reviews.llvm.org/D64793
llvm-svn: 367866
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UBSan-Standalone-x86_64 :: TestCases/TypeCheck/Function/function.cpp currently
FAILs on Solaris/x86_64:
clang-9: error: unsupported option '-fsanitize=function' for target 'x86_64-pc-solaris2.11'
AFAICS, there's nothing more to do then enable that sanitizer in the driver (for x86 only),
which is what this patch does, together with updating another testcase.
Tested on x86_64-pc-solaris2.11.
Differential Revision: https://reviews.llvm.org/D64488
llvm-svn: 367351
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I noticed that clang currently passes --dynamic-linker to ld. This has been the case
since Solaris 11 support was added initially back in 2012 by David Chisnall (r150580).
I couldn't find any patch submission, let alone a justification, for this, and it seems
completely useless: --dynamic-linker is a gld compatibility form of the option, the
native option being -I. First of all, however, the dynamic linker passed is simply the
default, so there's no reason at all to specify it in the first place.
This patch removes passing the option and adjusts the affected testcase accordingly.
Tested on x86_64-pc-solaris2.11 and sparcv9-sun-solaris2.11.
Differential Revision: https://reviews.llvm.org/D64493
llvm-svn: 366202
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As explained in https://reviews.llvm.org/D63601, there's no point using clang_rt.sancov_{begin,end}
on Solaris any longer.
This companion patch to the above removes their use from the driver.
Tested on amd64-pc-solaris2.11
Differential Revision: https://reviews.llvm.org/D63602
llvm-svn: 365396
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-fsanitize=pointer-substract.
Disabled by default as this is still an experimental feature.
Reviewed By: thakis
Differential Revision: https://reviews.llvm.org/D59221
llvm-svn: 358285
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Using static library is already a default.
Differential Revision: https://reviews.llvm.org/D56043
llvm-svn: 351710
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to reflect the new license.
We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.
Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.
llvm-svn: 351636
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Summary:
During make check-all on Solaris, I see several instances of this warning:
clang-6.0: warning: argument unused during compilation: '-pthread' [-Wunused-command-line-argument]
Since Solaris 10, libpthread has been folded into libc, so there's nothing to do. gcc
just ignores -pthread here. Darwin claims the option to silence the warning, and
this patch follows that lead.
Reviewers: rsmith, fedor.sergeev
Reviewed By: fedor.sergeev
Subscribers: cfe-commits, fedor.sergeev
Differential Revision: https://reviews.llvm.org/D41242
llvm-svn: 324344
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Summary:
This patch (on top of https://reviews.llvm.org/D35755) provides the clang side necessary
to enable the Solaris port of the sanitizers implemented by https://reviews.llvm.org/D40898,
https://reviews.llvm.org/D40899, and https://reviews.llvm.org/D40900).
A few features of note:
* While compiler-rt cmake/base-config-ix.cmake (COMPILER_RT_OS_DIR) places
the runtime libs in a tolower(CMAKE_SYSTEM_NAME) directory, clang defaults to
the OS part of the target triplet (solaris2.11 in the case at hand). The patch makes
them agree on compiler-rt's idea.
* While Solaris ld accepts a considerable number of GNU ld options for compatibility,
it only does so for the double-dash forms. clang unfortunately is inconsistent here
and sometimes uses the double-dash form, sometimes the single-dash one that
confuses the hell out of Solaris ld. I've changed the affected places to use the double-dash
form that should always work.
* As described in https://reviews.llvm.org/D40899, Solaris ld doesn't create the
__start___sancov_guards/__stop___sancov_guards labels gld/gold/lld do, so I'm
including additional runtime libs into the link that provide them.
* One test uses -fstack-protector, but unlike other systems libssp hasn't been folded
into Solaris libc, but needs to be linked with separately.
* For now, only 32-bit x86 asan is enabled on Solaris. 64-bit x86 should follow, but
sparc (which requires additional compiler-rt changes not yet submitted) fails miserably
due to a llvmsparc backend limitation:
fatal error: error in backend: Function "_ZN7testing8internal16BoolFromGTestEnvEPKcb": over-aligned dynamic alloca not supported.
However, inside the gcc tree, Solaris/sparc asan works almost as well as x86.
Reviewers: rsmith, alekseyshl
Reviewed By: alekseyshl
Subscribers: jyknight, fedor.sergeev, cfe-commits
Tags: #sanitizers
Differential Revision: https://reviews.llvm.org/D40903
llvm-svn: 324296
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Summary:
General idea is to utilize generic (mostly Generic_GCC) code
and get rid of Solaris-specific handling as much as possible.
In particular:
- scanLibDirForGCCTripleSolaris was removed, relying on generic
CollectLibDirsAndTriples
- findBiarchMultilibs is now properly utilized to switch between
m32 and m64 include & lib paths on Solaris
- C system include handling copied from Linux (bar multilib hacks)
Fixes PR24606.
Reviewers: dlj, rafael, jyknight, theraven, tstellar
Reviewed By: jyknight
Subscribers: aaron.ballman, mgorny, krytarowski, ro, joerg, cfe-commits
Differential Revision: https://reviews.llvm.org/D35755
llvm-svn: 323193
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Projects that want to statically link their own C++ standard library currently
need to pass -nostdlib or -nodefaultlibs, which also disables linking of the
builtins library, -lm, and so on. Alternatively, they could use `clang` instead
of `clang++`, but that already disables implicit addition of -lm on some
toolchains.
Add a dedicated flag -nostdlib++ that disables just linking of libc++ /
libstdc++. This is analogous to -nostdinc++.
https://reviews.llvm.org/D35780
llvm-svn: 308997
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Patch by Fedor Sergeev
llvm-svn: 308038
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Summary:
(This is a move-only refactoring patch. There are no functionality changes.)
This patch splits apart the Clang driver's tool and toolchain implementation
files. Each target platform toolchain is moved to its own file, along with the
closest-related tools. Each target platform toolchain has separate headers and
implementation files, so the hierarchy of classes is unchanged.
There are some remaining shared free functions, mostly from Tools.cpp. Several
of these move to their own architecture-specific files, similar to r296056. Some
of them are only used by a single target platform; since the tools and
toolchains are now together, some helpers now live in a platform-specific file.
The balance are helpers related to manipulating argument lists, so they are now
in a new file pair, CommonArgs.h and .cpp.
I've tried to cluster the code logically, which is fairly straightforward for
most of the target platforms and shared architectures. I think I've made
reasonable choices for these, as well as the various shared helpers; but of
course, I'm happy to hear feedback in the review.
There are some particular things I don't like about this patch, but haven't been
able to find a better overall solution. The first is the proliferation of files:
there are several files that are tiny because the toolchain is not very
different from its base (usually the Gnu tools/toolchain). I think this is
mostly a reflection of the true complexity, though, so it may not be "fixable"
in any reasonable sense. The second thing I don't like are the includes like
"../Something.h". I've avoided this largely by clustering into the current file
structure. However, a few of these includes remain, and in those cases it
doesn't make sense to me to sink an existing file any deeper.
Reviewers: rsmith, mehdi_amini, compnerd, rnk, javed.absar
Subscribers: emaste, jfb, danalbert, srhines, dschuff, jyknight, nemanjai, nhaehnle, mgorny, cfe-commits
Differential Revision: https://reviews.llvm.org/D30372
llvm-svn: 297250
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