| Commit message (Collapse) | Author | Age | Files | Lines |
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r311823 | rsmith | 2017-08-25 18:04:35 -0700 (Fri, 25 Aug 2017) | 16 lines
Add flag to request Clang is ABI-compatible with older versions of itself
This patch adds a flag -fclang-abi-compat that can be used to request that
Clang attempts to be ABI-compatible with some older version of itself.
This is provided on a best-effort basis; right now, this can be used to undo
the ABI change in r310401, reverting Clang to its prior C++ ABI for pass/return
by value of class types affected by that change, and to undo the ABI change in
r262688, reverting Clang to using integer registers rather than SSE registers
for passing <1 x long long> vectors. The intent is that we will maintain this
backwards compatibility path as we make ABI-breaking fixes in future.
The reversion to the old behavior for r310401 is also applied to the PS4 target
since that change is not part of its platform ABI (which is essentially to do
whatever Clang 3.2 did).
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_50@312013 91177308-0d34-0410-b5e6-96231b3b80d8
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r311792 | djasper | 2017-08-25 12:14:53 -0700 (Fri, 25 Aug 2017) | 9 lines
[Format] Invert nestingAndIndentLevel pair in WhitespaceManager used for
alignments
Indent should be compared before nesting level to determine if a token
is on the same scope as the one we align with. Because it was inverted,
clang-format sometimes tried to align tokens with tokens from outer
scopes, causing the assert(Shift >= 0) to fire.
This fixes bug #33507. Patch by Beren Minor, thank you!
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_50@311800 91177308-0d34-0410-b5e6-96231b3b80d8
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r311695 | rsmith | 2017-08-24 13:10:33 -0700 (Thu, 24 Aug 2017) | 9 lines
[ubsan] PR34266: When sanitizing the 'this' value for a member function that happens to be a lambda call operator, use the lambda's 'this' pointer, not the captured enclosing 'this' pointer (if any).
Do not sanitize the 'this' pointer of a member call operator for a lambda with
no capture-default, since that call operator can legitimately be called with a
null this pointer from the static invoker function. Any actual call with a null
this pointer should still be caught in the caller (if it is being sanitized).
This reinstates r311589 (reverted in r311680) with the above fix.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_50@311799 91177308-0d34-0410-b5e6-96231b3b80d8
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r311601 | adrian | 2017-08-23 14:24:12 -0700 (Wed, 23 Aug 2017) | 5 lines
Fix a bug in CGDebugInfo::EmitInlineFunctionStart causing DILocations to be
parented in function declarations.
Fixes PR33997.
https://bugs.llvm.org/show_bug.cgi?id=33997
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The header change caused problems; see PR34182, and PR33858 from #9 onwards, as
well as the discussion on the r309226 cfe-commits thread.
These changes don't seem to be addressing any regression from 4.0.0, so rather
than scrambling to fix this on the branch, let's revert to safety.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_50@311597 91177308-0d34-0410-b5e6-96231b3b80d8
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r311330 | ibiryukov | 2017-08-21 05:03:08 -0700 (Mon, 21 Aug 2017) | 16 lines
Fixed a crash on replaying Preamble's PP conditional stack.
Summary:
The crash occurs when the first token after a preamble is a macro
expansion.
Fixed by moving replayPreambleConditionalStack from Parser into
Preprocessor. It is now called right after the predefines file is
processed.
Reviewers: erikjv, bkramer, klimek, yvvan
Reviewed By: bkramer
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D36872
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_50@311591 91177308-0d34-0410-b5e6-96231b3b80d8
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r311532 | krasimir | 2017-08-23 00:18:36 -0700 (Wed, 23 Aug 2017) | 24 lines
[clang-format] Align trailing comments if ColumnLimit is 0
Summary:
ColumnLimit = 0 means no limit, so comment should always be aligned if requested. This was broken with
https://llvm.org/svn/llvm-project/cfe/trunk@304687
introduced via
https://reviews.llvm.org/D33830
and is included in 5.0.0-rc2. This commit fixes it and adds a unittest for this property.
Should go into clang-5.0 IMHO.
Contributed by @pboettch!
Reviewers: djasper, krasimir
Reviewed By: djasper, krasimir
Subscribers: hans, klimek
Differential Revision: https://reviews.llvm.org/D36967
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_50@311573 91177308-0d34-0410-b5e6-96231b3b80d8
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r311397 | ahatanak | 2017-08-21 15:46:46 -0700 (Mon, 21 Aug 2017) | 8 lines
[Driver][Darwin] Do not pass -munwind-table if -fno-excpetions is
supplied.
With this change, -fno-exceptions disables unwind tables unless
-funwind-tables is supplied too or the target is x86-64 (x86-64 requires
emitting unwind tables).
rdar://problem/33934446
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_50@311505 91177308-0d34-0410-b5e6-96231b3b80d8
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r311391 | stl_msft | 2017-08-21 15:19:33 -0700 (Mon, 21 Aug 2017) | 28 lines
[Driver] Recognize DevDiv internal builds of MSVC, with a different directory structure.
This is a reasonably non-intrusive change, which I've verified
works for both x86 and x64 DevDiv-internal builds.
The idea is to change `bool IsVS2017OrNewer` into a 3-state
`ToolsetLayout VSLayout`. Either a build is DevDiv-internal,
released VS 2017 or newer, or released VS 2015 or older. When looking at
the directory structure, if instead of `"VC"` we see `"x86ret"`, `"x86chk"`,
`"amd64ret"`, or `"amd64chk"`, we recognize this as a DevDiv-internal build.
After we get past the directory structure validation, we use this knowledge
to regenerate paths appropriately. `llvmArchToDevDivInternalArch()` knows how
we use `"i386"` subdirectories, and `MSVCToolChain::getSubDirectoryPath()`
uses that. It also knows that DevDiv-internal builds have an `"inc"`
subdirectory instead of `"include"`.
This may still not be the "right" fix in any sense, but I believe that it's
non-intrusive in the sense that if the special directory names aren't found,
no codepaths are affected. (`ToolsetLayout::OlderVS` and
`ToolsetLayout::VS2017OrNewer` correspond to `IsVS2017OrNewer` being `false`
or `true`, respectively.) I searched for all references to `IsVS2017OrNewer`,
which are places where Clang cares about VS's directory structure, and the
only one that isn't being patched is some logic to deal with
cross-compilation. I'm fine with that not working for DevDiv-internal builds
for the moment (we typically test the native compilers), so I added a comment.
Fixes D36860.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_50@311500 91177308-0d34-0410-b5e6-96231b3b80d8
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r311443 | arphaman | 2017-08-22 03:38:07 -0700 (Tue, 22 Aug 2017) | 15 lines
[ObjC] Check written attributes only when synthesizing ambiguous property
This commit fixes a bug introduced in r307903. The attribute ambiguity checker
that was introduced in r307903 checked all property attributes, which caused
errors for source-compatible properties, like:
@property (nonatomic, readonly) NSObject *prop;
@property (nonatomic, readwrite) NSObject *prop;
because the readwrite property would get implicit 'strong' attribute. The
ambiguity checker should be concerned about explicitly specified attributes
only.
rdar://33748089
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r310983 | rsmith | 2017-08-15 18:49:53 -0700 (Tue, 15 Aug 2017) | 31 lines
PR19668, PR23034: Fix handling of move constructors and deleted copy
constructors when deciding whether classes should be passed indirectly.
This fixes ABI differences between Clang and GCC:
* Previously, Clang ignored the move constructor when making this
determination. It now takes the move constructor into account, per
https://github.com/itanium-cxx-abi/cxx-abi/pull/17 (this change may
seem recent, but the ABI change was agreed on the Itanium C++ ABI
list a long time ago).
* Previously, Clang's behavior when the copy constructor was deleted
was unstable -- depending on whether the lazy declaration of the
copy constructor had been triggered, you might get different behavior.
We now eagerly declare the copy constructor whenever its deletedness
is unclear, and ignore deleted copy/move constructors when looking for
a trivial such constructor.
This also fixes an ABI difference between Clang and MSVC:
* If the copy constructor would be implicitly deleted (but has not been
lazily declared yet), for instance because the class has an rvalue
reference member, we would pass it directly. We now pass such a class
indirectly, matching MSVC.
Based on a patch by Vassil Vassilev, which was based on a patch by Bernd
Schmidt, which was based on a patch by Reid Kleckner!
This is a re-commit of r310401, which was reverted in r310464 due to ARM
failures (which should now be fixed).
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r311182 | alexshap | 2017-08-18 11:20:43 -0700 (Fri, 18 Aug 2017) | 22 lines
[analyzer] Fix modeling of constructors
This diff fixes analyzer's crash (triggered assert) on the newly added test case.
The assert being discussed is assert(!B.lookup(R, BindingKey::Direct))
in lib/StaticAnalyzer/Core/RegionStore.cpp, however the root cause is different.
For classes with empty bases the offsets might be tricky.
For example, let's assume we have
struct S: NonEmptyBase, EmptyBase {
...
};
In this case Clang applies empty base class optimization and
the offset of EmptyBase will be 0, it can be verified via
clang -cc1 -x c++ -v -fdump-record-layouts main.cpp -emit-llvm -o /dev/null.
When the analyzer tries to perform zero initialization of EmptyBase
it will hit the assert because that region
has already been "written" by the constructor of NonEmptyBase.
Test plan:
make check-all
Differential revision: https://reviews.llvm.org/D36851
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r311115 | rsmith | 2017-08-17 12:35:50 -0700 (Thu, 17 Aug 2017) | 2 lines
PR34161: support evaluation of 'void()' expressions in C++14 onwards.
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r310776 | rsmith | 2017-08-11 18:46:03 -0700 (Fri, 11 Aug 2017) | 8 lines
PR34163: Don't cache an incorrect key function for a class if queried between
the class becoming complete and its inline methods being parsed.
This replaces the hack of using the "late parsed template" flag to track member
functions with bodies we've not parsed yet; instead we now use the "will have
body" flag, which carries the desired implication that the function declaration
*is* a definition, and that we've just not parsed its body yet.
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r310672 | ahatanak | 2017-08-10 17:06:49 -0700 (Thu, 10 Aug 2017) | 7 lines
[Sema][ObjC] Fix spurious -Wcast-qual warnings.
We do not meaningfully track object const-ness of Objective-C object
types. Silence the -Wcast-qual warning that is issued when casting to or
from Objective-C object types results in losing const qualification.
rdar://problem/33807915
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r310706 | arphaman | 2017-08-11 05:06:52 -0700 (Fri, 11 Aug 2017) | 11 lines
[modules] Set the lexical DC for dummy tag decls that refer to hidden
declarations that are made visible after the dummy is parsed and ODR verified
Prior to this commit the
"(getContainingDC(DC) == CurContext && "The next DeclContext should be lexically contained in the current one."),"
assertion failure was triggered during semantic analysis of the dummy
tag declaration that was declared in another tag declaration because its
lexical context did not point to the outer tag decl.
rdar://32292196
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r310829 | arphaman | 2017-08-14 03:59:44 -0700 (Mon, 14 Aug 2017) | 5 lines
Set the lexical context for dummy tag decl inside createTagFromNewDecl
This is a follow-up to r310706. This change has been recommended by
Bruno Cardoso Lopes and Richard Smith.
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r310704 | smaksimovic | 2017-08-11 04:39:07 -0700 (Fri, 11 Aug 2017) | 8 lines
Revert r302670 for the upcoming 5.0.0 release
This is causing failures when compiling clang with -O3
as one of the structures used by clang is passed by
value and uses the fastcc calling convention.
Faliures manifest for stage2 mips build.
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r310694 | rsmith | 2017-08-10 20:39:40 -0700 (Thu, 10 Aug 2017) | 2 lines
Implement latest feature test macro recommendations, P0096R4.
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r310691 | rsmith | 2017-08-10 19:04:19 -0700 (Thu, 10 Aug 2017) | 2 lines
PR33489: A function-style cast to a deduced class template specialization type is type-dependent if it can't be resolved due to a type-dependent argument.
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r310006 | ahatanak | 2017-08-03 16:55:42 -0700 (Thu, 03 Aug 2017) | 22 lines
[Driver][Darwin] Pass -munwind-table when !UseSjLjExceptions.
This commit fixes a bug where clang/llvm doesn't emit an unwind table
for a function when it is marked noexcept. Without this patch, the
following code terminates with an uncaught exception on ARM64:
int foo1() noexcept {
try {
throw 0;
} catch (int i) {
return 0;
}
return 1;
}
int main() {
return foo1();
}
rdar://problem/32411865
Differential Revision: https://reviews.llvm.org/D35693
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r309633 | ahatanak | 2017-07-31 15:19:34 -0700 (Mon, 31 Jul 2017) | 6 lines
[Driver] Make sure the deployment target is earlier than iOS 11 when
it is inferred from -isysroot.
This fixes a change that was inadvertently introduced in r309607.
rdar://problem/32230613
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r309636 | ahatanak | 2017-07-31 15:46:00 -0700 (Mon, 31 Jul 2017) | 1 line
Silence warning -Wmissing-sysroot.
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r309640 | ahatanak | 2017-07-31 16:08:52 -0700 (Mon, 31 Jul 2017) | 1 line
Use -target instead of -arch in test case.
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r309607 | ahatanak | 2017-07-31 12:16:40 -0700 (Mon, 31 Jul 2017) | 6 lines
[Driver] Allow users to silence the warning that is issued when the
deployment target is earlier than iOS 11 and the target is 32-bit.
This is a follow-up to r306922.
rdar://problem/32230613
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r309569 | alexfh | 2017-07-31 08:21:26 -0700 (Mon, 31 Jul 2017) | 39 lines
Fix -Wshadow false positives with function-local classes.
Summary:
Fixes http://llvm.org/PR33947.
https://godbolt.org/g/54XRMT
void f(int a) {
struct A {
void g(int a) {}
A() { int a; }
};
}
3 : <source>:3:16: warning: declaration shadows a local variable [-Wshadow]
void g(int a) {}
^
1 : <source>:1:12: note: previous declaration is here
void f(int a) {
^
4 : <source>:4:15: warning: declaration shadows a local variable [-Wshadow]
A() { int a; }
^
1 : <source>:1:12: note: previous declaration is here
void f(int a) {
^
2 warnings generated.
The local variable `a` of the function `f` can't be accessed from a method of
the function-local class A, thus no shadowing occurs and no diagnostic is
needed.
Reviewers: rnk, rsmith, arphaman, Quuxplusone
Reviewed By: rnk, Quuxplusone
Subscribers: Quuxplusone, cfe-commits
Differential Revision: https://reviews.llvm.org/D35941
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r308722 | ibiryukov | 2017-07-21 02:24:00 -0700 (Fri, 21 Jul 2017) | 13 lines
Fixed failing assert in code completion.
Summary:
The code was accessing uninstantiated default argument.
This resulted in failing assertion at ParmVarDecl::getDefaultArg().
Reviewers: erikjv, klimek, bkramer, krasimir
Reviewed By: krasimir
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D35682
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r309263 | psmith | 2017-07-27 03:43:53 -0700 (Thu, 27 Jul 2017) | 6 lines
[CodeGen][ARM] ARM runtime helper functions are not always soft-fp
Re-commit r309257 with less precise register checks in arm-float-helpers.c
test.
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r310158 | rtrieu | 2017-08-04 17:54:19 -0700 (Fri, 04 Aug 2017) | 8 lines
[ODRHash] Treat some non-templated classes as templated.
When using nested classes, if the inner class is not templated, but the outer
class is templated, the inner class will not be templated, but may have some
traits as if it were. This is particularly evident if the inner class
refers to the outer class in some fashion. Treat any class that is in the
context of a templated class as also a templated class.
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r310057 | smaksimovic | 2017-08-04 05:37:34 -0700 (Fri, 04 Aug 2017) | 8 lines
Revert r304953 for release 5.0.0
This is causing failures when compiling clang with -O3
as one of the structures used by clang is passed by
value and uses the fastcc calling convention.
Faliures manifest for stage2 mips build.
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r309975 | rsmith | 2017-08-03 12:24:27 -0700 (Thu, 03 Aug 2017) | 4 lines
Don't emit undefined-internal warnings for CXXDeductionGuideDecls.
Patch by ~paul (cynecx on phabricator)! Some test massaging by me.
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r308996 | gornishanov | 2017-07-25 11:01:49 -0700 (Tue, 25 Jul 2017) | 9 lines
[coroutines] Add serialization/deserialization of coroutines
Reviewers: rsmith
Reviewed By: rsmith
Subscribers: EricWF, cfe-commits
Differential Revision: https://reviews.llvm.org/D35383
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r309523 | brad | 2017-07-30 14:13:59 -0700 (Sun, 30 Jul 2017) | 2 lines
Also pass -pie back to the linker when linking on OpenBSD.
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r309722 | bruno | 2017-08-01 12:05:25 -0700 (Tue, 01 Aug 2017) | 7 lines
[Sema] Fix lax conversion between non ext vectors
r282968 introduced a regression due to the lack of proper testing.
Re-add lax conversion support between non ext vectors for compound
assignments and add a test for that.
rdar://problem/28639467
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r309752 | bruno | 2017-08-01 15:10:36 -0700 (Tue, 01 Aug 2017) | 6 lines
[Headers][Darwin] Allow #include_next<float.h> to work on Darwin prior to 10.7
This fixes PR31504 and it's a follow up from adding #include_next<float.h>
for Darwin in r289018.
rdar://problem/29856682
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r309382 | rksimon | 2017-07-28 06:47:02 -0700 (Fri, 28 Jul 2017) | 3 lines
[X86] Add tests showing inability of vector non-temporal load/store intrinsic to force pointer alignment (PR33830)
Clang specifies a max type alignment of 16 bytes on darwin targets, meaning that the builtin nontemporal stores don't correctly align the loads/stores to 32 or 64 bytes when required, resulting in lowering to temporal unaligned loads/stores.
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Merging r309383:
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r309383 | rksimon | 2017-07-28 07:01:51 -0700 (Fri, 28 Jul 2017) | 1 line
Strip trailing whitespace. NFCI.
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Merging r309488:
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r309488 | rksimon | 2017-07-29 08:33:34 -0700 (Sat, 29 Jul 2017) | 7 lines
[X86][AVX] Ensure vector non-temporal load/store intrinsics force pointer alignment (PR33830)
Clang specifies a max type alignment of 16 bytes on darwin targets (annoyingly in the driver not via cc1), meaning that the builtin nontemporal stores don't correctly align the loads/stores to 32 or 64 bytes when required, resulting in lowering to temporal unaligned loads/stores.
This patch casts the vectors to explicitly aligned types prior to the load/store to ensure that the require alignment is respected.
Differential Revision: https://reviews.llvm.org/D35996
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r309503 | rsmith | 2017-07-29 23:31:29 -0700 (Sat, 29 Jul 2017) | 6 lines
PR33902: Invalidate line number cache when adding more text to existing buffer.
This led to crashes as the line number cache would report a bogus line number
for a line of code, and we'd try to find a nonexistent column within the line
when printing diagnostics.
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r309113 | yamaguchi | 2017-07-26 06:36:58 -0700 (Wed, 26 Jul 2017) | 19 lines
[Bash-autocompletion] Show HelpText with possible flags
Summary:
`clang --autocomplete=-std` will show
```
-std: Language standard to compile for
-std= Language standard to compile for
-stdlib= C++ standard library to use
```
after this change.
However, showing HelpText with completion in bash seems super tricky, so
this feature will be used in other shells (fish, zsh...).
Reviewers: v.g.vassilev, teemperor, ruiu
Subscribers: cfe-commits, hiraditya
Differential Revision: https://reviews.llvm.org/D35759
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r309327 | compnerd | 2017-07-27 14:56:25 -0700 (Thu, 27 Jul 2017) | 5 lines
Headers: fix _Unwind_{G,S}etGR for non-EHABI targets
The EHABI definition was being inlined into the users even when EHABI
was not in use. Adjust the condition to ensure that the right version
is defined.
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r309226 | compnerd | 2017-07-26 15:55:23 -0700 (Wed, 26 Jul 2017) | 13 lines
Headers: improve ARM EHABI coverage of unwind.h
Ensure that we define the `_Unwind_Control_Block` structure used on ARM
EHABI targets. This is needed for building libc++abi with the unwind.h
from the resource dir. A minor fallout of this is that we needed to
create a typedef for _Unwind_Exception to work across ARM EHABI and
non-EHABI targets. The structure definitions here are based originally
on the documentation from ARM under the "Exception Handling ABI for the
ARM® Architecture" Section 7.2. They are then adjusted to more closely
reflect the definition in libunwind from LLVM. Those changes are
compatible in layout but permit easier use in libc++abi and help
maintain compatibility between libunwind and the compiler provided
definition.
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--version is the right thing to do (see discussion on D33900)
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r309058 | majnemer | 2017-07-25 16:33:58 -0700 (Tue, 25 Jul 2017) | 9 lines
[CodeGen] Correctly model std::byte's aliasing properties
std::byte, when defined as an enum, needs to be given special treatment
with regards to its aliasing properties. An array of std::byte is
allowed to be used as storage for other types.
This fixes PR33916.
Differential Revision: https://reviews.llvm.org/D35824
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r308824 | yamaguchi | 2017-07-22 05:35:15 -0700 (Sat, 22 Jul 2017) | 5 lines
[Bash-autocompletion] Fixed typo and add '-' after -Wno
Summary: -Wno-<warning> was autocompleted as -Wno<warning>, so fixed this typo.
Differential Revision: https://reviews.llvm.org/D35762
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r308897 | nico | 2017-07-24 09:54:11 -0700 (Mon, 24 Jul 2017) | 9 lines
Work around an MSVC2017 update 3 codegen bug.
C2017 update 3 produces a clang that crashes when compiling clang. Disabling
optimizations for StmtProfiler::VisitCXXOperatorCallExpr() makes the crash go
away.
Patch from Bruce Dawson <brucedawson@chromium.org>!
https://reviews.llvm.org/D35757
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r308455 | hans | 2017-07-19 05:31:01 -0700 (Wed, 19 Jul 2017) | 16 lines
Revert r308441 "Recommit r308327: Add a warning for missing '#pragma pack (pop)' and suspicious uses of '#pragma pack' in included files"
This seems to have broken the sanitizer-x86_64-linux buildbot. Reverting until
it's fixed, especially since this landed just before the 5.0 branch.
> This commit adds a new -Wpragma-pack warning. It warns in the following cases:
>
> - When a translation unit is missing terminating #pragma pack (pop) directives.
> - When entering an included file if the current alignment value as determined
> by '#pragma pack' directives is different from the default alignment value.
> - When leaving an included file that changed the state of the current alignment
> value.
>
> rdar://10184173
>
> Differential Revision: https://reviews.llvm.org/D35484
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and suspicious uses of '#pragma pack' in included files
This commit adds a new -Wpragma-pack warning. It warns in the following cases:
- When a translation unit is missing terminating #pragma pack (pop) directives.
- When entering an included file if the current alignment value as determined
by '#pragma pack' directives is different from the default alignment value.
- When leaving an included file that changed the state of the current alignment
value.
rdar://10184173
Differential Revision: https://reviews.llvm.org/D35484
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Revert r308431 and r308432, these caused broke some buildbots.
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Append optional chunks with their default values. For example:
before - "int i", after - "int i = 10"
Patch by Ivan Donchevskii!
Differential Revision: https://reviews.llvm.org/D33644
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This patch teaches the driver to pass -mgpopt by default to the backend when it
is supported, i.e. we are using -mno-abicalls.
Reviewers: atanasyan, slthakur
Differential Revision: https://reviews.llvm.org/D35548
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Add support to the retain-count checker for an annotation indicating that a
function's implementation should be trusted by the retain count checker.
Functions with these attributes will not be inlined and the arguments will
be treating as escaping.
Adding this annotation avoids spurious diagnostics when the implementation of
a reference counting operation is visible but the analyzer can't reason
precisely about the ref count.
Patch by Malhar Thakkar!
Differential Revision: https://reviews.llvm.org/D34937
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<rdar://problem/33357889>
https://bugs.llvm.org/show_bug.cgi?id=33822
Differential Revision: https://reviews.llvm.org/D35583
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