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The extension has the following syntax: __builtin_call_with_static_chain(Call, Chain) where Call must be a function call expression and Chain must be of pointer type This extension performs a function call Call with a static chain pointer Chain passed to the callee in a designated register. This is useful for calling foreign language functions whose ABI uses static chain pointers (e.g. to implement closures). Differential Revision: http://reviews.llvm.org/D6332 llvm-svn: 224167
12 lines
725 B
C
12 lines
725 B
C
// RUN: %clang_cc1 -fsyntax-only -fblocks -verify %s
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void f();
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void g() {
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__builtin_call_with_static_chain(f(), f);
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__builtin_call_with_static_chain(f, f); // expected-error {{first argument to __builtin_call_with_static_chain must be a non-member call expression}}
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__builtin_call_with_static_chain(^{}(), f); // expected-error {{first argument to __builtin_call_with_static_chain must not be a block call}}
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__builtin_call_with_static_chain(__builtin_unreachable(), f); // expected-error {{first argument to __builtin_call_with_static_chain must not be a builtin call}}
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__builtin_call_with_static_chain(f(), 42); // expected-error {{second argument to __builtin_call_with_static_chain must be of pointer type}}
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}
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