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their call expressions synthetically have the "deduced" types based on their
first argument. We only insert conversions in the AST for arguments whose
values require conversion to match the value type expected. This keeps PR7600
closed by maintaining the return type, but avoids assertions due to unexpected
implicit casts making the type unsigned (test case added from Daniel).
The magic is moved into the codegen for the atomic builtin which inserts the
casts as needed at the IR level to raise the type to an integer suitable for
the LLVM intrinsic. This shouldn't cause any real change in functionality, but
now we can make the builtin be more truly polymorphic.
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try to evaluate the initializer as a constant.
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multiple reasons. Rethrow with _objc_exception_throw instead. Fixes PR7656.
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asm operand twice.
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- This issue here is that /usr/include/Blocks.h wants to define some of the
block runtime globals as weak, depending on the target. This doesn't work in
Clang because we aren't using the AST decl for these globals.
- The fix is a pretty gross hack which just watches all the decls for the
specific blocks globals we need to know about; if we see one we use it,
otherwise we use the hand coded type.
In time, I would like to clean this up by changing IRgen to ask Sema/AST for
the decl, which would then be lazily loaded from the builtin table if
necessary. This could be used in a whole host of places in IRgen and would
get rid of a lot of grotty hand coding of LLVM IR; however, we need some
extra Sema support for this as well as support for builtin global variables.
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the order they appeared in the translation unit. If they get emitted, put them
in their proper order. Fixes rdar://problem/7458115
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codegenerator preserve info in case the symbol is deleted.
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with always_inline attribute. Thanks to Howard for the tip.
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Tested by namespace.exp and virtfunc.exp from gdb testsuite.
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for string literals.
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with the proper spelling of "non-class prvalue". Silly me, I think
class rvalues were xvalues rather than prvalues!
Hah hah hah.
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broke nightlytest.
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This is not required (I am not 100% sure why) but method.exp from gdb testsuite flagged regression due to this patch.
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that involve binding a reference to a pure rvalue temporary (e.g., not
a class temporary), by creating a new temporary and copying the result
there. Fixes PR6024.
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whether to use objc_msgSend_fpret; the choice is target dependent, not Obj-C ABI
dependent.
- <rdar://problem/8139758> arm objc _objc_msgSend_fpret bug
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follow <name>; instead they follow <type>, which has <name> as a subset.
Fixes PR7446.
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- TSTs whose template is a template template parameter already work
- we don't provide an imaginary type, so we can't mangle one
- we don't need a generic FIXME for vendor type qualifiers
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the current proposals from David Vandervoorde for new, delete, throw, typeid,
imaginary literals, string literals, and null literals.
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harmless way.
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reinterpret_casts (possibly indirectly via C-style/functional casts)
on values, e.g.,
int i;
reinterpret_cast<short&>(i);
The IR generated for this is essentially the same as for
*reinterpret_cast<short*>(&i).
Fixes PR6437, PR7593, and PR7344.
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or a catch of a record type by value or reference. Also convert this to a
lazy cleanup.
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mostly in avoiding unnecessary work at compile time but also in producing more
sensible block orderings.
Move the destructor cleanups for local variables over to use lazy cleanups.
Eventually all cleanups will do this; for now we have some awkward code
duplication.
Tell IR generation just to never produce landing pads in -fno-exceptions.
This is a much more comprehensive solution to a problem which previously was
half-solved by checks in most cleanup-generation spots.
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(e.g., a call, cast, etc.), immediately adjust the expression's type
to strip cv-qualifiers off of all non-class types (in C++) or all
types (in C). This effectively extends my previous fix for PR7463,
which was restricted to calls, to other kinds of expressions within
similar characteristics. I've audited every use of
getNonReferenceType() in the code base, switching to the newly-renamed
getNonLValueExprType() where necessary.
Big thanks to Eli for pointing out just how incomplete my original fix
for PR7463 actually was. We've been handling cv-qualifiers on rvalues
wrong for a very, very long time. Fixes PR7463.
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at -O0. The only change from the previous patch is that we don't try
to generate virtual method thunks for an available_externally
function.
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methods. Debug info for method definition will be generated while generating code for method body.
Tested by classes.exp in gdb testsuite.
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-O0, since we won't be using the definitions for anything anyway. For
lib/System/Path.o when built in Debug+Asserts mode, this leads to a 4%
improvement in compile time (and suppresses 440 function bodies).
<rdar://problem/7987644>
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Patch by Alexander Kabaev.
PR 7595.
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as well.
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suppressing copies of objects with trivial copy constructors.
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was not producing a memcpy with the right address
spaces because of two places in it doing casts of
the arguments to i8, one of which that didn't
preserve the address space.
There is also an optimizer bug here.
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breaking bootstrap on Linux.
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newly-narrowed scope. No functionality change.
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CXXConstructExpr/CXXTemporaryObjectExpr/CXXNewExpr as
appropriate. Fixes PR7556, and provides a slide codegen improvement
when copy-initializing a POD class type from a value-initialized
temporary. Previously, we weren't eliding the copy.
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from PR7583
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of getBody() when we are just checking the existence of a body, to avoid de-serialization of the body from PCH.
Makes de-serialization of the function body even more "lazier".
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rethrow. Fixes rdar://problem/7696603
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emit metadata associating allocas and global values with a Decl*. This feature
is controlled by an option that (intentionally) cannot be enabled on the command
line.
To use this feature, simply set
CodeGenOptions.EmitDeclMetadata = true;
and then interpret the completely underspecified metadata. :)
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into IRBuilder.
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