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9 Commits

Author SHA1 Message Date
Bill Wendling 706469b453 Add more of the command line options as attribute flags. 
These can be easily queried by the back-end.

llvm-svn: 176304
 2013-02-28 22:49:57 +00:00
Bill Wendling 2386bb130c Reapply r176133 with testcase fixes. 
llvm-svn: 176145
 2013-02-27 00:06:04 +00:00
Anna Zaks 0f424b029b Revert "Add more attributes from the command line to functions." 
This reverts commit 176009.

The commit is a likely cause of several buildbot failures.

llvm-svn: 176044
 2013-02-25 19:51:03 +00:00
Bill Wendling 87869db5f5 Add more attributes from the command line to functions. 
This is an ongoing process. Any command line option which a back-end cares about
should be added here.

llvm-svn: 176009
 2013-02-25 07:15:16 +00:00
Bill Wendling c33fc4c004 Modify the tests to use attribute group references instead of listing the 
function attributes.

llvm-svn: 175606
 2013-02-20 07:22:19 +00:00
Bill Wendling 985d1c5d15 Add the 'target-cpu' and 'target-features' attributes to functions. 
The back-end will use these values to reconfigure code generation for different
features.

llvm-svn: 175308
 2013-02-15 21:30:01 +00:00
Richard Smith d372942d77 PR 12586: Fix assert while running libc++ testsuite: deal with exception 
specifications on member function templates of class templates and other such
nested beasties. Store the function template from which we are to instantiate
an exception specification rather than trying to deduce it. Plus some
additional test cases.

llvm-svn: 155076
 2012-04-19 00:08:28 +00:00
Richard Smith 79a52e5709 PR12569: Instantiate exception specifications of explicit instantiations 
and explicit specializations of function templates appropriately.

llvm-svn: 154956
 2012-04-17 22:30:01 +00:00
Richard Smith f623c96260 Implement DR1330 in C++11 mode, to support libstdc++4.7 which uses it. 
We have a new flavor of exception specification, EST_Uninstantiated. A function
type with this exception specification carries a pointer to a FunctionDecl, and
the exception specification for that FunctionDecl is instantiated (if needed)
and used in the place of the function type's exception specification.

When a function template declaration with a non-trivial exception specification
is instantiated, the specialization's exception specification is set to this
new 'uninstantiated' kind rather than being instantiated immediately.

Expr::CanThrow has migrated onto Sema, so it can instantiate exception specs
on-demand. Also, any odr-use of a function triggers the instantiation of its
exception specification (the exception specification could be needed by IRGen).
In passing, fix two places where a DeclRefExpr was created but the corresponding
function was not actually marked odr-used. We used to get away with this, but
don't any more.

Also fix a bug where instantiating an exception specification which refers to
function parameters resulted in a crash. We still have the same bug in default
arguments, which I'll be looking into next.

This, plus a tiny patch to fix libstdc++'s common_type, is enough for clang to
parse (and, in very limited testing, support) all of libstdc++4.7's standard
headers.

llvm-svn: 154886
 2012-04-17 00:58:00 +00:00