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dc5ce72afa
Recommit of r335084 after revert in r335516. ... instead of prepending it at the beginning (the original behavior since implemented in r122535 2010-12-23). This builds up an AttributeList in the the order in which the attributes appear in the source. The reverse order caused nodes for attributes in the AST (e.g. LoopHint) to be in the reverse order, and therefore printed in the wrong order in -ast-dump. Some TODO comments mention this. The order was explicitly reversed for enable_if attribute overload resolution and name mangling, which is not necessary anymore with this patch. The change unfortunately has some secondary effect, especially on diagnostic output. In the simplest cases, the CHECK lines or expected diagnostic were changed to the the new output. If the kind of error/warning changed, the attributes' order was changed instead. This unfortunately causes some 'previous occurrence here' hints to be textually after the main marker. This typically happens when attributes are merged, but are incompatible to each other. Interchanging the role of the the main and note SourceLocation will also cause the case where two different declaration's attributes (in contrast to multiple attributes of the same declaration) are merged to be reverse. There is no easy fix because sometimes previous attributes are merged into a new declaration's attribute list, sometimes new attributes are added to a previous declaration's attribute list. Since 'previous occurrence here' pointing to locations after the main marker is not rare, I left the markers as-is; it is only relevant when the attributes are declared in the same declaration anyway. Differential Revision: https://reviews.llvm.org/D48100 llvm-svn: 338800
30 lines
2.2 KiB
C
30 lines
2.2 KiB
C
// RUN: %clang_cc1 %s -triple mips-img-elf -verify -fsyntax-only
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struct a { int b; };
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struct a test __attribute__((interrupt)); // expected-warning {{'interrupt' attribute only applies to functions and methods}}
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__attribute__((interrupt("EIC"))) void foo1() {} // expected-warning {{'interrupt' attribute argument not supported: 'EIC'}}
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__attribute__((interrupt("eic", 1))) void foo2() {} // expected-error {{'interrupt' attribute takes no more than 1 argument}}
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__attribute__((interrupt("eic"))) void foo3() {}
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__attribute__((interrupt("vector=sw0"))) void foo4() {}
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__attribute__((interrupt("vector=hw0"))) void foo5() {}
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__attribute__((interrupt("vector=hw1"))) void foo6() {}
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__attribute__((interrupt("vector=hw2"))) void foo7() {}
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__attribute__((interrupt("vector=hw3"))) void foo8() {}
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__attribute__((interrupt("vector=hw4"))) void foo9() {}
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__attribute__((interrupt("vector=hw5"))) void fooa() {}
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__attribute__((interrupt(""))) void food() {}
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__attribute__((interrupt)) int foob() {return 0;} // expected-warning {{MIPS 'interrupt' attribute only applies to functions that have a 'void' return type}}
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__attribute__((interrupt())) void fooc(int a) {} // expected-warning {{MIPS 'interrupt' attribute only applies to functions that have no parameters}}
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__attribute__((interrupt,mips16)) void fooe() {} // expected-error {{'mips16' and 'interrupt' attributes are not compatible}} \
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// expected-note {{conflicting attribute is here}}
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__attribute__((mips16,interrupt)) void foof() {} // expected-error {{'interrupt' and 'mips16' attributes are not compatible}} \
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// expected-note {{conflicting attribute is here}}
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__attribute__((interrupt)) __attribute__ ((mips16)) void foo10() {} // expected-error {{'mips16' and 'interrupt' attributes are not compatible}} \
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// expected-note {{conflicting attribute is here}}
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__attribute__((mips16)) __attribute ((interrupt)) void foo11() {} // expected-error {{'interrupt' and 'mips16' attributes are not compatible}} \
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// expected-note {{conflicting attribute is here}}
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