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This patch implements global named registers in Clang, lowering to the just
created intrinsics in LLVM (@llvm.read/write_register). A new type of LValue
had to be created (Register), which just adds support to carry the metadata
node containing the name of the register. Two new methods to emit loads and
stores interoperate with another to emit the named metadata node.
No guarantees are being made and only non-allocatable global variable named
registers are being supported. Local named register support is unchanged.
llvm-svn: 209149
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definition. Bump some related diagnostics from warning to extension in C++, since they're errors there. Add some missing checks for function specifiers on non-function declarations.
llvm-svn: 177335
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warning. It's not harmful to have such pointless declarations, and GCC
does not diagnose this issue consistently.
llvm-svn: 100814
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- This is designed to make it obvious that %clang_cc1 is a "test variable"
which is substituted. It is '%clang_cc1' instead of '%clang -cc1' because it
can be useful to redefine what gets run as 'clang -cc1' (for example, to set
a default target).
llvm-svn: 91446
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declarators are parsed primarily within a single function (at least for
these cases). Remove some excess diagnostics arising during parse failures.
llvm-svn: 85924
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extension.
This implements rdar://6880449 - improve diagnostic for usage of "global register variable" GCC extension
llvm-svn: 71599
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if a decl is invalid, it isn't added to the Decls array, so we
need to pass in Decls.size() to avoid reading uninit memory.
llvm-svn: 68913
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Tests and drivers updated, still need to shuffle dirs.
llvm-svn: 67602
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Examples:
int;
typedef int;
llvm-svn: 61454
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expected-foo strings. Now the only allowed characters between
expected-error and {{ is whitespace.
llvm-svn: 59925
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inheritance in C++. It'll parse the base-specifier list, e.g.,
class D : public B1, virtual public B2 { };
and do some of the simpler semantic checks (B1 and B2 are classes;
they aren't unions or incomplete types, etc).
llvm-svn: 49623
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llvm-svn: 49068
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rename -parse-ast-dump to -ast-dump
remove -parse-ast, which is redundant with -fsyntax-only
llvm-svn: 42852
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using "-parse-ast -verify".
Updated all test cases (using a sed script) that invoked -parse-ast-check to
now use -parse-ast -verify.
Fixed a bug where using "-verify" instead of "-parse-ast-check" would not
correctly create the DiagClient needed to accumulate diagnostics.
llvm-svn: 42365
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1. Fix a todo in Parser::ParseTag, to recover better. On code like
that in test/Sema/decl-invalid.c it causes us to return a single
error instead of multiple.
2. Fix an error in Sema::ParseDeclarator, where it would crash if the
declarator didn't have an identifier. Instead, diagnose the problem.
3. Start adding infrastructure to track the range of locations covered
by a declspec or declarator. This is mostly implemented for declspec,
but could be improved, it is missing for declarator.
Thanks to Neil for pointing out this crash.
llvm-svn: 40482
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