| Commit message (Collapse) | Author | Age | Files | Lines |
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No tests added as all of these are already tested separately.
llvm-svn: 225141
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This applies to mingw as clang-cl already has its own logic for the filename.
llvm-svn: 225134
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This was broken by r224120.
llvm-svn: 225130
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llvm-svn: 225129
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llvm-svn: 225128
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Also add a few asserts for this. The existing code assumes this in a bunch
of places already (see e.g. the assert at the top of ParseTypedefDecl(), and
there are many unchecked calls on the result of GetTypeForDeclarator()), and
from looking through the code this should always be true from what I can tell.
This allows removing ASTContext::getNullTypeSourceInfo() too as that's now
unused.
No behavior change intended.
llvm-svn: 225125
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Many places in Sema cannot handle isNull() types. This is fine, because in
most places the type building code recovers by falling back to IntTy. In
GetFullTypeForDeclarator(), this is done at the end of the getNumTypeObjects()
loop body. This function calls BuildQualifiedType() before this fallback is
done though, so it explicitly needs to check for isNull() types.
llvm-svn: 225124
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llvm-svn: 225122
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It's reasonable to ask if an l-value with class type is modifiable.
llvm-svn: 225121
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Weird constructs like __attribute__((inline)) or
__attibute__((typename)) should result in warnings, not errors.
llvm-svn: 225118
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access through a volatile-qualified type, we're not certain of the underlying object's side-effects on access.
Treat volatile accesses as "maybe" instead of "definite" side effects for the purposes of warning on evaluations in an unevaluated context. No longer diagnose on idiomatic code like:
int * volatile v;
(void)sizeof(*v);
llvm-svn: 225116
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This should fix the last bots.
llvm-svn: 225100
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On OS X a .s file is preprocessed, it is not on linux, which is why the warning was still
showing up on linux but not OS X.
llvm-svn: 225095
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It is somewhat common for CFLAGS to be used with .s files. We were
already ignoring -flto. This patch just does the same for -fno-lto.
llvm-svn: 225093
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instructions
un-XFAILing the test XFAIL'd in r225086 after it regressed in r225083.
llvm-svn: 225090
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Unfortunately, MSVC does not indicate to the driver what target is being used.
This means that we cannot correctly select the target architecture for the
clang_rt component. This breaks down when targeting windows with the clang
driver as opposed to the clang-cl driver. This should fix the native ARM
buildbot tests.
llvm-svn: 225089
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The logic for addSanitizerRTWindows was performing the same logical operation as
getCompilerRT, which was previously fully generalised for Linux and Windows.
This avoids having a duplication of the logic for building up the name of a
clang_rt component. This change does move the current limitation for Windows
into getArchNameForCompilerRTLib, where it is assumed that the architecture for
Windows is always i386.
llvm-svn: 225087
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arguments.
r225000 generalized debug info line info handling for expressions such
that this code is no longer necessary.
This removes the last use of CGDebugInfo::getLocation, but not all the
uses of CGDebugInfo::CurLoc, which is still used internally in
CGDebugInfo. I'd like to do away with all of that & might succeed after
a few more patches.
llvm-svn: 225085
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The optimization (that appears to have been here since the earliest
implementation (r50848) & has become more complicated over the years) to
avoid recreating the debugloc if it would be the same was out of date
because ApplyDebugLocation was not re-updating the CurLoc/PrevLoc. This
optimization doesn't look terribly beneficial/necessary, so I'm removing
it - if it turns up in benchmarks, I'm happy to reconsider/reimplement
this with justification, but for now it just seems to add
complexity/problems.
llvm-svn: 225083
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instantiated. Do not crash in this case. Fixes PR22040!
The FIXME in the test is caused by TemplateDeclInstantiator::VisitCXXRecordDecl
returning a nullptr instead of creating an invalid decl. This is a common
pattern across all of TemplateDeclInstantiator, so I'm not comfortable changing
it. The reason it's not invalid in the class template is due to support for an
MSVC extension, see r137573.
llvm-svn: 225071
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The DeclRefExpr might be for a variable initialized by a constant
expression which hasn't been ODR used.
Emit the initializer for the variable instead of trying to capture the
variable itself.
This fixes PR22071.
llvm-svn: 225060
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Unify the component handling for compiler-rt. The components are regularly
named, built up from:
${LIBRARY_PREFIX}clang_rt.${component}-${arch}[-${environment}]${LIBRARY_SUFFIX}
Unify the handling for all the various components, into a single path to link
against the various components in a number of places. This reduces duplication
of the clang_rt library name construction logic.
llvm-svn: 225013
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Fixup some whitespace/style issues. NFC.
llvm-svn: 225012
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llvm-svn: 225004
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Originally committed in r224385 and reverted in r224441 due to concerns
this change might've introduced a crash. Turns out this change fixes the
crash introduced by one of my earlier more specific location handling
changes (those specific fixes are reverted by this patch, in favor of
the more general solution).
Recommitted in r224941 and reverted in r224970 after it caused a crash
when building compiler-rt. Looks to be due to this change zeroing out
the debug location when emitting default arguments (which were meant to
inherit their outer expression's location) thus creating call
instructions without locations - these create problems for inlining and
must not be created. That is fixed and tested in this version of the
change.
Original commit message:
This is a more scalable (fixed in mostly one place, rather than many
places that will need constant improvement/maintenance) solution to
several commits I've made recently to increase source fidelity for
subexpressions.
This resetting had to be done at the DebugLoc level (not the
SourceLocation level) to preserve scoping information (if the resetting
was done with CGDebugInfo::EmitLocation, it would've caused the tail end
of an expression's codegen to end up in a potentially different scope
than the start, even though it was at the same source location). The
drawback to this is that it might leave CGDebugInfo out of sync. Ideally
CGDebugInfo shouldn't have a duplicate sense of the current
SourceLocation, but for now it seems it does... - I don't think I'm
going to tackle removing that just now.
I expect this'll probably cause some more buildbot fallout & I'll
investigate that as it comes up.
Also these sort of improvements might be starting to show a weakness/bug
in LLVM's line table handling: we don't correctly emit is_stmt for
statements, we just put it on every line table entry. This means one
statement split over multiple lines appears as multiple 'statements' and
two statements on one line (without column info) are treated as one
statement.
I don't think we have any IR representation of statements that would
help us distinguish these cases and identify the beginning of each
statement - so that might be something we need to add (possibly to the
lexical scope chain - a scope for each statement). This does cause some
problems for GDB and possibly other DWARF consumers.
llvm-svn: 225000
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Unlike Unices, Windows does not use a library prefix. Use the traditional
naming scheme even for Windows itanium environments. This makes the builtins
behave more like the sanitisers as well.
llvm-svn: 224996
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Summary:
In a JIT context it is useful to be able to access the GlobalCtors
and especially clear them once they have been emitted and called.
This adds a public method to be able to access the list.
Subscribers: yaron.keren, cfe-commits
Differential Revision: http://reviews.llvm.org/D6790
llvm-svn: 224982
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The differences are pretty superficial:
- .lib vs .a extensions
- whether or not to link (potentially) incorrectly against libgcc_s
llvm-svn: 224975
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clang tries to produce a helpful diagnostic for the traiilng '...', but the
code that r216778 added for this doesn't expect an invalid trailing return type.
Add code to explicitly handle this.
Having explicit code for this but not for other things looks a bit strange, but
trailing return types are special in that they have a separate existence bit in
addition to the type (see r158348).
llvm-svn: 224974
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Asserting when building compiler-rt when using a GCC host compiler.
Reverting while I investigate.
This reverts commit r224941.
llvm-svn: 224970
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That's what I get for last second changes...
llvm-svn: 224967
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Instead of crashing, recover by eating the extra trailing scope
qualifier. This means we will treat 'struct A:: {' as 'struct A {'.
llvm-svn: 224966
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llvm-svn: 224963
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llvm-svn: 224960
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This is a follow-up to r224915. This adds a bit more line noise to the tests
added in that revision to make sure the parser is ready for a toplevel decl
after each incorrect line. Use this to move the tests up to where they belong.
This uncovered that the early return was missing a call to
ActOnTagDefinitionError(), so add that. (Also fixes at least one of the crashes
on SLi's bot.)
llvm-svn: 224958
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getMainExecutable() returns a std::string, assigning its result
to StringRef immediately creates a dangling pointer. This was
detected by half-broken fast-MSan-bootstrap bot.
llvm-svn: 224956
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More conversion to range based for loops rather than direct iterators with
dereferencing. NFC.
llvm-svn: 224954
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Let's pretend that we didn't see the '::' instead of go on believing
that we've got some anonymous, but globally qualified, struct.
llvm-svn: 224945
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Iterate over the arguments via range based for loops rather than iterators and
explicitly dereferencing them. NFC.
llvm-svn: 224944
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This would've helped stabilize/deflake some failures that were seen
after some recent changes.
llvm-svn: 224943
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Originally committed in r224385 and reverted in r224441 due to concerns
this change might've introduced a crash. Turns out this change fixes the
crash introduced by one of my earlier more specific location handling
changes (those specific fixes are reverted by this patch, in favor of
the more general solution).
Original commit message:
This is a more scalable (fixed in mostly one place, rather than many
places that will need constant improvement/maintenance) solution to
several commits I've made recently to increase source fidelity for
subexpressions.
This resetting had to be done at the DebugLoc level (not the
SourceLocation level) to preserve scoping information (if the resetting
was done with CGDebugInfo::EmitLocation, it would've caused the tail end
of an expression's codegen to end up in a potentially different scope
than the start, even though it was at the same source location). The
drawback to this is that it might leave CGDebugInfo out of sync. Ideally
CGDebugInfo shouldn't have a duplicate sense of the current
SourceLocation, but for now it seems it does... - I don't think I'm
going to tackle removing that just now.
I expect this'll probably cause some more buildbot fallout & I'll
investigate that as it comes up.
Also these sort of improvements might be starting to show a weakness/bug
in LLVM's line table handling: we don't correctly emit is_stmt for
statements, we just put it on every line table entry. This means one
statement split over multiple lines appears as multiple 'statements' and
two statements on one line (without column info) are treated as one
statement.
I don't think we have any IR representation of statements that would
help us distinguish these cases and identify the beginning of each
statement - so that might be something we need to add (possibly to the
lexical scope chain - a scope for each statement). This does cause some
problems for GDB and possibly other DWARF consumers.
llvm-svn: 224941
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libunwind in all cases when installed.
At the time, Clang's unwind.h didn't provide huge chunks of the
LSB-specified unwind interface, and was generally too aenemic to use for
real software. However, it has since then become a strict superset of
the APIs provided by libunwind on Linux. Notably, you cannot compile
llgo's libgo library against libunwind, but you can against Clang's
unwind.h. So let's just use our header. =] I've checked pretty
thoroughly for any incompatibilities, and I am not aware of any.
An open question is whether or not we should continue to munge
GNU_SOURCE here. I didn't touch that as it potentially has compatibility
implications on systems I cannot easily test -- Darwin. If a Darwin
maintainer can verify that this is in fact unnecessary and remove it,
cool. Until then, leaving it in makes this change a no-op there, and
only really relevant on Linux systems where it is pretty clearly the
right way to go.
llvm-svn: 224934
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necessary to be fully compatible with existing software that calls into
the linux unwind code. You can find documentation of this API and why it
exists in the discussion abot NPTL here:
https://gcc.gnu.org/ml/gcc-patches/2003-09/msg00154.html
llvm-svn: 224933
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a CLANG_LIBDIR_SUFFIX down from the build system and using that as part
of the default resource dir computation.
Without this, essentially nothing that uses the clang driver works when
building clang with a libdir suffix. This is probably the single biggest
missing piece of support for multilib as without this people could hack
clang to end up installed in the correct location, but it would then
fail to find its own basic resources. I know of at least one distro that
has some variation on this patch to hack around this; hopefully they'll
be able to use the libdir suffix functionality directly as the rest of
these bits land.
This required fixing a copy of the code to compute Clang's resource
directory that is buried inside of the frontend (!!!). It had bitrotted
significantly relative to the driver code. I've made it essentially
a clone of the driver code in order to keep tests (which use cc1
heavily) passing. This copy should probably just be removed and the
frontend taught to always rely on an explicit resource directory from
the driver, but that is a much more invasive change for another day.
I've also updated one test which actually encoded the resource directory
in its checked output to tolerate multilib suffixes.
Note that this relies on a prior LLVM commit to add a stub to the
autoconf build system for this variable.
llvm-svn: 224924
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GCC permits array l-values in asm output operands even though they
aren't modifiable l-values. We used to permit it but this behavior
regressed in r224916.
llvm-svn: 224918
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Functions are l-values in C++ but shouldn't be available as output
parameters in inline assembly. Neither should overloaded function
l-values.
This fixes PR21949.
llvm-svn: 224916
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r168626 added nicer diagnostics for attributes in the wrong places, such as
after the `final` on a class. To do this, it added code that did high-level
pattern matching for e.g. 'final' 'alignas' '(' and then skipped until the
closing ')'. If it saw that, it then went down the regular class parsing
path and then called MaybeParseCXX11Attributes() to parse the attribute after
the 'final' using real attribute parsing code. On invalid attributes, the
real attribute parsing code could eat more tokens than the pattern matching
code and for example skip past the '{' starting the class, which would then
lead to an assert. To prevent this, check for a good state after calling
MaybeParseCXX11Attributes() (which morphed into CheckMisplacedCXX11Attribute()
in r175575) and bail out if things look bleak.
Found by SLi's afl bot.
llvm-svn: 224915
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hasDeclaratorForAnonDecl, getDeclaratorForAnonDecl and
getTypedefNameForAnonDecl are expected to handle the case where
NamedDeclOrQualifier holds the wrong type or nothing at all.
llvm-svn: 224912
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Verify that asm constraints have the same number of alternatives
llvm-svn: 224911
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Clang has a hack to accept definitions of structs with tag names which
have the same name as intrinsics. However, this hack didn't guard
against annotation tokens showing up in the token stream.
llvm-svn: 224909
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