| Commit message (Collapse) | Author | Age | Files | Lines |
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The current code would hit an assert in ASTWriter when trying to write
out the filename for a line table entry that didn't have any. Fix this
by allowing the -1 sentinel value to round-trip through serialization.
Differential revision: https://reviews.llvm.org/D40746
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@319707 91177308-0d34-0410-b5e6-96231b3b80d8
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If a function or variable has a type with no linkage (and is not extern "C"),
any use of it requires a definition within the same translation unit; the idea
is that it is not possible to define the entity elsewhere, so any such use is
necessarily an error.
There is an exception, though: some types formally have no linkage but
nonetheless can be referenced from other translation units (for example, this
happens to anonymous structures defined within inline functions). For entities
with those types, we suppress the diagnostic except under -pedantic.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@313729 91177308-0d34-0410-b5e6-96231b3b80d8
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This would be trivial, except that our in-memory and serialized representations
for FieldDecls assumed that this can't happen.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@311867 91177308-0d34-0410-b5e6-96231b3b80d8
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The %T lit expansion expands to a common directory shared between all the tests in the same directory, which is unexpected and unintuitive, and more importantly, it's been a source of subtle race conditions and flaky tests. In https://reviews.llvm.org/D35396, it was agreed that it would be best to simply ban %T and only keep %t, which is unique to each test. When a test needs a temporary directory, it can just create one using mkdir %t.
This patch removes %T in clang.
Differential Revision: https://reviews.llvm.org/D36437
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@310950 91177308-0d34-0410-b5e6-96231b3b80d8
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about unterminated push directives that are followed by a reset
('#pragma pack()')
This has been suggested by Hans Wennborg.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309559 91177308-0d34-0410-b5e6-96231b3b80d8
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'#pragma pack (pop)' and suspicious uses of '#pragma pack' in included files
The second recommit (r309106) was reverted because the "non-default #pragma
pack value chages the alignment of struct or union members in the included file"
warning proved to be too aggressive for external projects like Chromium
(https://bugs.chromium.org/p/chromium/issues/detail?id=749197). This recommit
makes the problematic warning a non-default one, and gives it the
-Wpragma-pack-suspicious-include warning option.
The first recommit (r308441) caused a "non-default #pragma pack value might
change the alignment of struct or union members in the included file" warning
in LLVM itself. This recommit tweaks the added warning to avoid warnings for
#includes that don't have any records that are affected by the non-default
alignment. This tweak avoids the previously emitted warning in LLVM.
Original message:
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
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309386 91177308-0d34-0410-b5e6-96231b3b80d8
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The warning fires on non-suspicious code in Chromium. Reverting until a
solution is figured out.
> Recommit r308327 2nd time: Add a warning for missing
> '#pragma pack (pop)' and suspicious uses of '#pragma pack' in included files
>
> The first recommit (r308441) caused a "non-default #pragma pack value might
> change the alignment of struct or union members in the included file" warning
> in LLVM itself. This recommit tweaks the added warning to avoid warnings for
> #includes that don't have any records that are affected by the non-default
> alignment. This tweak avoids the previously emitted warning in LLVM.
>
> Original message:
>
> 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
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309186 91177308-0d34-0410-b5e6-96231b3b80d8
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'#pragma pack (pop)' and suspicious uses of '#pragma pack' in included files
The first recommit (r308441) caused a "non-default #pragma pack value might
change the alignment of struct or union members in the included file" warning
in LLVM itself. This recommit tweaks the added warning to avoid warnings for
#includes that don't have any records that are affected by the non-default
alignment. This tweak avoids the previously emitted warning in LLVM.
Original message:
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
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309106 91177308-0d34-0410-b5e6-96231b3b80d8
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Reviewers: rsmith
Reviewed By: rsmith
Subscribers: EricWF, cfe-commits
Differential Revision: https://reviews.llvm.org/D35383
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@308996 91177308-0d34-0410-b5e6-96231b3b80d8
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(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
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@308455 91177308-0d34-0410-b5e6-96231b3b80d8
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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
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@308441 91177308-0d34-0410-b5e6-96231b3b80d8
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I forgot to test clang-tools-extra which is now failing.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@308328 91177308-0d34-0410-b5e6-96231b3b80d8
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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
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@308327 91177308-0d34-0410-b5e6-96231b3b80d8
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This patch extends the `overloadable` attribute to allow for one
function with a given name to not be marked with the `overloadable`
attribute. The overload without the `overloadable` attribute will not
have its name mangled.
So, the following code is now legal:
void foo(void) __attribute__((overloadable));
void foo(int);
void foo(float) __attribute__((overloadable));
In addition, this patch fixes a bug where we'd accept code with
`__attribute__((overloadable))` inconsistently applied. In other words,
we used to accept:
void foo(void);
void foo(void) __attribute__((overloadable));
But we will do this no longer, since it defeats the original purpose of
requiring `__attribute__((overloadable))` on all redeclarations of a
function.
This breakage seems to not be an issue in practice, since the only code
I could find that had this pattern often looked like:
void foo(void);
void foo(void) __attribute__((overloadable)) __asm__("foo");
void foo(int) __attribute__((overloadable));
...Which can now be simplified by simply removing the asm label and
overloadable attribute from the redeclaration of `void foo(void);`
Differential Revision: https://reviews.llvm.org/D32332
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@306467 91177308-0d34-0410-b5e6-96231b3b80d8
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the specialization.
This improves our behavior in a few ways:
* We now guarantee that if a member is marked as being a member
specialization, there will actually be a member specialization declaration
somewhere on its redeclaration chain. This fixes a crash in modules builds
where we would try to check that there was a visible declaration of the
member specialization and be surprised to not find any declaration of it at
all.
* We don't set the source location of the in-class declaration of the member
specialization to the out-of-line declaration's location until we have
actually finished merging them. This fixes some very silly looking
diagnostics, where we'd point a "previous declaration is here" note at the
same declaration we're complaining about. Ideally we wouldn't mess with the
prior declaration's location at all, but too much code assumes that the
first declaration of an entity is a reasonable thing to use as an indication
of where it was declared, and that's not really true for a member
specialization unless we fake it like this.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@302596 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
[LWG 2911](http://cplusplus.github.io/LWG/lwg-defects.html#2911) adds `std::is_aggregate` to the library, which requires a new builtin trait. This patch implements `__is_aggregate`.
Reviewers: rsmith, majnemer, aaron.ballman
Reviewed By: aaron.ballman
Subscribers: STL_MSFT, cfe-commits
Differential Revision: https://reviews.llvm.org/D31513
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@300116 91177308-0d34-0410-b5e6-96231b3b80d8
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This patch serializes the state of #pragma pack. It preserves the state of the
pragma from a PCH/from modules in a file that uses that PCH/those modules.
rdar://21359084
Differential Revision: https://reviews.llvm.org/D31241
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@299226 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@299012 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
When a PCH is included via -include-pch, clang should treat the
current TU as dependent on the sourcefile that the PCH was generated from.
This is currently _partly_ accomplished by InitializePreprocessor calling
AddImplicitIncludePCH to synthesize an implicit #include of the sourcefile,
into the preprocessor's Predefines buffer.
For FrontendActions such as PreprocessOnlyAction (which is, curiously, what the
driver winds up running one of in response to a plain clang -M) this is
sufficient: the preprocessor cranks over its Predefines and emits a dependency
reference to the initial sourcefile.
For other FrontendActions (for example -emit-obj or -fsyntax-only) the
Predefines buffer is reset to the suggested predefines buffer from the PCH, so
the dependency edge is lost. The result is that clang emits a .d file in those
cases that lacks a reference to the .h file responsible for the input (and in
Swift's case, our .swiftdeps file winds up not including a reference to the
source file for a PCH bridging header.)
This patch fixes the problem by taking a different tack: ignoring the
Predefines buffer (which seems a bit like a hack anyways) and directly
attaching the CompilerInstance's DependencyCollectors (and legacy
DependencyFileGenerator) to the ASTReader for the external AST.
This approach is similar to the one chosen in earlier consultation with Bruno
and Ben, and I think it's the least-bad solution, given several options.
Reviewers: bruno, benlangmuir, doug.gregor
Reviewed By: bruno, doug.gregor
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D31378
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@299009 91177308-0d34-0410-b5e6-96231b3b80d8
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rdar://30659700
Differential Revision: https://reviews.llvm.org/D31134
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@298493 91177308-0d34-0410-b5e6-96231b3b80d8
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This is a stopgap fix for PR31863, a regression introduced in r276159.
Consider this snippet:
struct FVector;
struct FVector {};
struct FBox {
FVector Min;
FBox(int);
};
namespace {
FBox InvalidBoundingBox(0);
}
While parsing the DECL_VAR for 'struct FBox', clang recursively read all the
dep decls until it finds the DECL_CXX_RECORD forward declaration for 'struct
FVector'. Then, it resumes all the way up back to DECL_VAR handling in
`ReadDeclRecord`, where it checks if `isConsumerInterestedIn` for the decl.
One of the condition for `isConsumerInterestedIn` to return false is if the
VarDecl is imported from a module `D->getImportedOwningModule()`, because it
will get emitted when we import the relevant module. However, before checking
if it comes from a module, clang checks if `Ctx.DeclMustBeEmitted(D)`, which
triggers the emission of 'struct FBox'. Since one of its fields is still
incomplete, it crashes.
Instead, check if `D->getImportedOwningModule()` is true before calling
`Ctx.DeclMustBeEmitted(D)`.
Differential Revision: https://reviews.llvm.org/D29753
rdar://problem/30173654
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@296656 91177308-0d34-0410-b5e6-96231b3b80d8
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Updated 5 tests.
Differential Revision: https://reviews.llvm.org/D24812
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@295484 91177308-0d34-0410-b5e6-96231b3b80d8
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Removed ndrange_t as Clang builtin type and added
as a struct type in the OpenCL header.
Use type name to do the Sema checking in enqueue_kernel
and modify IR generation accordingly.
Review: D28058
Patch by Dmitry Borisenkov!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@295311 91177308-0d34-0410-b5e6-96231b3b80d8
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Fixes PR31539
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@291600 91177308-0d34-0410-b5e6-96231b3b80d8
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-fno-inline-functions, -O0, and optnone.
These were really, really tangled together:
- We used the noinline LLVM attribute for -fno-inline
- But not for -fno-inline-functions (breaking LTO)
- But we did use it for -finline-hint-functions (yay, LTO is happy!)
- But we didn't for -O0 (LTO is sad yet again...)
- We had weird structuring of CodeGenOpts with both an inlining
enumeration and a boolean. They interacted in weird ways and
needlessly.
- A *lot* of set smashing went on with setting these, and then got worse
when we considered optnone and other inlining-effecting attributes.
- A bunch of inline affecting attributes were managed in a completely
different place from -fno-inline.
- Even with -fno-inline we failed to put the LLVM noinline attribute
onto many generated function definitions because they didn't show up
as AST-level functions.
- If you passed -O0 but -finline-functions we would run the normal
inliner pass in LLVM despite it being in the O0 pipeline, which really
doesn't make much sense.
- Lastly, we used things like '-fno-inline' to manipulate the pass
pipeline which forced the pass pipeline to be much more
parameterizable than it really needs to be. Instead we can *just* use
the optimization level to select a pipeline and control the rest via
attributes.
Sadly, this causes a bunch of churn in tests because we don't run the
optimizer in the tests and check the contents of attribute sets. It
would be awesome if attribute sets were a bit more FileCheck friendly,
but oh well.
I think this is a significant improvement and should remove the semantic
need to change what inliner pass we run in order to comply with the
requested inlining semantics by relying completely on attributes. It
also cleans up tho optnone and related handling a bit.
One unfortunate aspect of this is that for generating alwaysinline
routines like those in OpenMP we end up removing noinline and then
adding alwaysinline. I tried a bunch of other approaches, but because we
recompute function attributes from scratch and don't have a declaration
here I couldn't find anything substantially cleaner than this.
Differential Revision: https://reviews.llvm.org/D28053
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@290398 91177308-0d34-0410-b5e6-96231b3b80d8
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This change introduces UsingPackDecl as a marker for the set of UsingDecls
produced by pack expansion of a single (unresolved) using declaration. This is
not strictly necessary (we just need to be able to map from the original using
declaration to its expansions somehow), but it's useful to maintain the
invariant that each declaration reference instantiates to refer to one
declaration.
This is a re-commit of r290080 (reverted in r290092) with a fix for a
use-after-lifetime bug.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@290203 91177308-0d34-0410-b5e6-96231b3b80d8
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This reverts commit r290080 as it leads to many Clang crashes, e.g.:
http://lab.llvm.org:8011/builders/clang-cmake-aarch64-quick/builds/1814
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@290092 91177308-0d34-0410-b5e6-96231b3b80d8
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This change introduces UsingPackDecl as a marker for the set of UsingDecls
produced by pack expansion of a single (unresolved) using declaration. This is
not strictly necessary (we just need to be able to map from the original using
declaration to its expansions somehow), but it's useful to maintain the
invariant that each declaration reference instantiates to refer to one
declaration.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@290080 91177308-0d34-0410-b5e6-96231b3b80d8
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The test requests a target which supports cl_khr_gl_msaa_sharing since in test/PCH/ocl_types.h
it tries to enable cl_khr_gl_msaa_sharing. Therefore this test fails on targets not supporting
cl_khr_gl_msaa_sharing, e.g. ppc64, etc.
The fix is to add triple spir-unknown-unknown which supports cl_khr_gl_msaa_sharing.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@290059 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@289234 91177308-0d34-0410-b5e6-96231b3b80d8
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PCH files store the macro history for a given macro, and the whole history list
for one identifier is given to the Preprocessor at once via
Preprocessor::setLoadedMacroDirective(). This contained an assert that no macro
history exists yet for that identifier. That's usually true, but it's not true
for builtin macros, which are created in Preprocessor() before flags and pchs
are processed. Luckily, ASTWriter stops writing macro history lists at builtins
(see shouldIgnoreMacro() in ASTWriter.cpp), so the head of the history list was
missing for builtin macros. So make the assert weaker, and splice the history
list to the existing single define for builtins.
https://reviews.llvm.org/D27545
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@289228 91177308-0d34-0410-b5e6-96231b3b80d8
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This saves two pointers from FunctionDecl that were being used for some
rare and questionable C-only functionality. The DeclsInPrototypeScope
ArrayRef was added in r151712 in order to parse this kind of C code:
enum e {x, y};
int f(enum {y, x} n) {
return x; // should return 1, not 0
}
The challenge is that we parse 'int f(enum {y, x} n)' it its own
function prototype scope that gets popped before we build the
FunctionDecl for 'f'. The original change was doing two questionable
things:
1. Saving all tag decls introduced in prototype scope on a TU-global
Sema variable. This is problematic when you have cases like this, where
'x' and 'y' shouldn't be visible in 'f':
void f(void (*fp)(enum { x, y } e)) { /* no x */ }
This patch fixes that, so now 'f' can't see 'x', which is consistent
with GCC.
2. Storing the decls in FunctionDecl in ActOnFunctionDeclarator so that
they could be used in ActOnStartOfFunctionDef. This is just an
inefficient way to move information around. The AST lives forever, but
the list of non-parameter decls in prototype scope is short lived.
Moving these things to the Declarator solves both of these issues.
Reviewers: rsmith
Subscribers: jmolloy, cfe-commits
Differential Revision: https://reviews.llvm.org/D27279
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@289225 91177308-0d34-0410-b5e6-96231b3b80d8
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Follow up to r287774
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@287793 91177308-0d34-0410-b5e6-96231b3b80d8
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Tests fall into one of the following categories:
- The requirement was unnecessary
- Additional quoting was required for backslashes in paths (see "sed -e
's/\\/\\\\/g'") in the sanitizer tests.
- OpenMP used 'REQUIRES: shell' as a proxy for the test failing on
Windows. Those tests fail there reliably, so use XFAIL instead.
I tried not to remove shell requirements that were added to suppress
flaky test failures, but if I screwed up, we can add it back as needed.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@284793 91177308-0d34-0410-b5e6-96231b3b80d8
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Test-only change.
Summary:
Previously we had to split out a lot of our tests into a test that
checked only immediate errors and a test that checked only deferred
errors. This was because, if you emitted any immediate errors, we
wouldn't run codegen, where the deferred errors were emitted.
We've fixed this, and now emit deferred errors during sema. This lets
us merge a bunch of tests, and lets us convert some other tests to
-fsyntax-only.
Reviewers: tra
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D25755
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@284553 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
These cause us to consider all functions in-between to be __host__
__device__.
You can nest these pragmas; you just can't have more 'end's than
'begin's.
Reviewers: rsmith
Subscribers: tra, jhen, cfe-commits
Differential Revision: https://reviews.llvm.org/D24975
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@283677 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@282800 91177308-0d34-0410-b5e6-96231b3b80d8
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There is a bug causing pch to be validated even though -fno-validate-pch is set. This patch fixes it.
ASTReader relies on ASTReaderListener to initialize SuggestedPredefines, which is required for compilations using PCH. Before this change, PCHValidator is the default ASTReaderListener. After this change, when -fno-validate-pch is set, PCHValidator is disabled, but we need a replacement ASTReaderListener to initialize SuggestedPredefines. Class SimpleASTReaderListener is implemented for this purpose.
This change only affects -fno-validate-pch. There is no functional change if -fno-validate-pch is not set.
If -fno-validate-pch is not set, conflicts in predefined macros between pch and current compiler instance causes error.
If -fno-validate-pch is set, predefine macros in current compiler override those in pch so that compilation can continue.
Differential Revision: https://reviews.llvm.org/D24054
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@280842 91177308-0d34-0410-b5e6-96231b3b80d8
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deserialization cycle caused by the ContextDecl recursively importing members
of the lambda's closure type.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@279694 91177308-0d34-0410-b5e6-96231b3b80d8
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initializer of an imported field.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@279667 91177308-0d34-0410-b5e6-96231b3b80d8
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declarations.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@278460 91177308-0d34-0410-b5e6-96231b3b80d8
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The '#pragma once' directive was erroneously ignored when encountered
in the header-file specified in generate-PCH-mode. This resulted in
compile-time errors in some cases with legal code, and also a misleading
warning being produced.
Patch by Warren Ristow!
Differential Revision: http://reviews.llvm.org/D19815
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@276653 91177308-0d34-0410-b5e6-96231b3b80d8
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the use of touch -m -t.
Following Tom Rybka suggestion, the test files are now copied to a temporary directory first.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@275415 91177308-0d34-0410-b5e6-96231b3b80d8
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'if' and 'switch':
if (stmt; condition) { ... }
Patch by Anton Bikineev! Some minor formatting and comment tweets by me.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@275350 91177308-0d34-0410-b5e6-96231b3b80d8
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that we set diagnostic engine state appropriately.
Otherwise there can be a crash with CFG analysis warnings doing work on invalid AST.
Fixes crash of rdar://26224134
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@275313 91177308-0d34-0410-b5e6-96231b3b80d8
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timestamps in PCH files.
This is to allow distributed build systems, that do not preserve time stamps, to use PCH files.
Second and last part of the patch proposed at:
Differential Revision: http://reviews.llvm.org/D20867
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@275267 91177308-0d34-0410-b5e6-96231b3b80d8
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specified"
This version should actually remove the empty directories I removed
all of the files from. Thanks to tstellar for pointing out git-svn's
--rmdir flag.
Original message:
This creates make/ninja targets like check-clang-codegen and
check-clang-unit, much like LLVM already has. I had to move some input
files into Input directories so they weren't picked up as test
directories.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@274565 91177308-0d34-0410-b5e6-96231b3b80d8
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This reverts r274560. It's breaking a bunch of bots due to a directory
with a space in the name. Doesn't repro locally for some reason.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@274562 91177308-0d34-0410-b5e6-96231b3b80d8
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This creates make/ninja targets like check-clang-codegen and
check-clang-unit, much like LLVM already has. I had to move some input
files into Input directories so they weren't picked up as test
directories.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@274560 91177308-0d34-0410-b5e6-96231b3b80d8
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Dionne.
This patch adds a __nth_element builtin that allows fetching the n-th type of a
parameter pack with very little compile-time overhead. The patch was inspired by
r252036 and r252115 by David Majnemer, which add a similar __make_integer_seq
builtin for efficiently creating a std::integer_sequence.
Reviewed as D15421. http://reviews.llvm.org/D15421
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@274316 91177308-0d34-0410-b5e6-96231b3b80d8
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