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llvm-svn: 355280
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llvm-svn: 355279
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Then, as a consequence, remove the complex set of workarounds for
initialization order -- which are apparently not 100% reliable.
The only downside is that some of the member functions are now
specific to kNumElem == 2, and will need to be updated if that
constant is increased in the future.
Unfortunately, the current code caused an initialization-order runtime
failure for me in some compilation modes. It appears that in a
toolchain without init-array enabled, the order of initialization of
static data members of a template can be reversed w.r.t. the order
within a file.
This caused e.g. SanitizerKind::CFI to be initialized to 0.
I'm not quite sure if that is an allowable ordering variation, or
nonconforming behavior, but in any case, making everything constexpr
eliminates the possibility of such an issue.
llvm-svn: 355278
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sanitizer checks, NFC.
enum SanitizerOrdinal has reached maximum capacity, this change extends the capacity to 128 sanitizer checks.
This can eventually allow us to add gcc 8's options "-fsanitize=pointer-substract" and "-fsanitize=pointer-compare".
This is a recommit of r354873 but with a fix for unqualified lookup error in lldb cmake build bot.
Fixes: https://llvm.org/PR39425
Differential Revision: https://reviews.llvm.org/D57914
llvm-svn: 355190
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llvm-svn: 354875
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sanitizer checks, NFC.
enum SanitizerOrdinal has reached maximum capacity, this change extends the capacity to 128 sanitizer checks.
This can eventually allow us to add gcc 8's options "-fsanitize=pointer-substract" and "-fsanitize=pointer-compare".
Fixes: https://llvm.org/PR39425
Differential Revision: https://reviews.llvm.org/D57914
llvm-svn: 354873
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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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other minor fixes (NFC).
llvm-svn: 328735
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Inlining them is always preferable to a call. NFC.
llvm-svn: 242154
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This patch adds initial support for the -fsanitize=kernel-address flag to Clang.
Right now it's quite restricted: only out-of-line instrumentation is supported, globals are not instrumented, some GCC kasan flags are not supported.
Using this patch I am able to build and boot the KASan tree with LLVMLinux patches from github.com/ramosian-glider/kasan/tree/kasan_llvmlinux.
To disable KASan instrumentation for a certain function attribute((no_sanitize("kernel-address"))) can be used.
llvm-svn: 240131
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for target triple."
This reverts commit r239953, while I'm investigating assertion
failure from http://lab.llvm.org:8080/green/job/clang-stage1-cmake-RA-incremental_check/9994/
llvm-svn: 239958
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triple.
Summary:
Introduce ToolChain::getSupportedSanitizers() that would return the set
of sanitizers available on given toolchain. By default, these are
sanitizers which don't necessarily require runtime support (i.e.
set from -fsanitize=undefined-trap).
Sanitizers (ASan, DFSan, TSan, MSan etc.) which cannot function
without runtime library are marked as supported only on platforms
for which we actually build these runtimes.
This would allow more fine-grained checks in the future: for instance,
we have to restrict availability of -fsanitize=vptr to Mac OS 10.9+
(PR23539)
Update test cases accrodingly: add tests for certain unsupported
configurations, remove test cases for -fsanitize=vptr + PS4
integration, as we don't build the runtime for PS4 at the moment.
Test Plan: regression test suite
Reviewers: pcc
Subscribers: cfe-commits, filcab, eugenis, thakis, kubabrecka, emaste, rsmith
Differential Revision: http://reviews.llvm.org/D10467
llvm-svn: 239953
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No functional change.
Differential Revision: http://reviews.llvm.org/D9621
llvm-svn: 237056
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compiler.
No functional change.
Differential Revision: http://reviews.llvm.org/D9618
llvm-svn: 237055
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Remove flag parsing details from the public header.
Use SanitizerSet to represent the set of enabled sanitizers.
Cleanup the implementation: update the comments to
reflect reality, remove dead code.
No functionality change.
llvm-svn: 221968
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Get rid of ugly SanitizerOptions class thrust into LangOptions:
* Make SanitizeAddressFieldPadding a regular language option,
and rely on default behavior to initialize/reset it.
* Make SanitizerBlacklistFile a regular member LangOptions.
* Introduce the helper class "SanitizerSet" to represent the
set of enabled sanitizers and make it a member of LangOptions.
It is exactly the entity we want to cache and modify in CodeGenFunction,
for instance. We'd also be able to reuse SanitizerSet in
CodeGenOptions for storing the set of recoverable sanitizers,
and in the Driver to represent the set of sanitizers
turned on/off by the commandline flags.
No functionality change.
llvm-svn: 221653
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