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Wire it through everywhere we have support for fastcall, essentially.
This allows us to parse the MSVC "14" CTP headers, but we will
miscompile them because LLVM doesn't support __vectorcall yet.
Reviewed By: Aaron Ballman
Differential Revision: http://reviews.llvm.org/D5808
llvm-svn: 220573
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Fixes PR21027. The MIDL compiler produces code that does this.
If we wanted to improve the warning, I think we could do this:
void __stdcall f(); // Don't warn without -Wstrict-prototypes.
void g() {
f(); // Might warn, the user probably meant for f to take no args.
f(1, 2, 3); // Warn, we have no idea what args f takes.
f(1); // Error, this is insane, one of these calls is broken.
}
Reviewers: thakis
Differential Revision: http://reviews.llvm.org/D5481
llvm-svn: 218394
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prototype too.
According to lore, we used to verifier-fail on:
void __thiscall f();
int main() { f(1); }
So that's fixed now. System headers use prototype-less __stdcall functions,
so make that a warning that's DefaultError -- then it fires on regular code
but is suppressed in system headers.
Since it's used in system headers, we have codegen tests for this; massage
them slightly so that they still compile.
llvm-svn: 218166
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is allowed or ignored with warning. This allows for correct name mangling for x64 targets on Windows, which in turn allows for linking against the Win32 APIs.
Fixes PR13782
llvm-svn: 165015
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llvm-svn: 132691
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llvm-svn: 124244
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the declaration-specifiers and on the declarator itself are moved
to the appropriate declarator chunk. This permits a greatly
simplified model for how to apply these attributes, as well as
allowing a much more efficient query for the GC attribute.
Now all qualifier queries follow the same basic strategy of
"local qualifiers, local qualifiers on the canonical type,
then look through arrays". This can be easily optimized by
changing the canonical qualified-array-type representation.
Do not process type attributes as decl attributes on declarations
with declarators.
When computing the type of a block, synthesize a prototype
function declarator chunk if the decl-spec type was not a
function. This simplifies the logic for building block signatures.
Change the logic which inserts an objc_read_weak on a block
literal to only fire if the block has a __weak __block variable,
rather than if the return type of the block is __weak qualified,
which is not actually a sensible thing to ask.
llvm-svn: 122871
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follows (as conservatively as possible) gcc's current behavior: attributes
written on return types that don't apply there are applied to the function
instead, etc. Only parse CC attributes as type attributes, not as decl attributes;
don't accepet noreturn as a decl attribute on ValueDecls, either (it still
needs to apply to other decls, like blocks). Consistently consume CC/noreturn
information throughout codegen; enforce this by removing their default values
in CodeGenTypes::getFunctionInfo().
llvm-svn: 95436
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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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varargs prototypes.
llvm-svn: 86001
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Tests and drivers updated, still need to shuffle dirs.
llvm-svn: 67602
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llvm-svn: 61438
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Patch by Ilya Okonsky!
llvm-svn: 61436
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