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128 lines
6.7 KiB
C
128 lines
6.7 KiB
C
// RUN: %clang_cc1 -triple x86_64-linux-gnu -fsyntax-only -verify %s
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// expected-error@+1 {{'target_clones' multiversioning requires a default target}}
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void __attribute__((target_clones("sse4.2", "arch=sandybridge")))
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no_default(void);
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// expected-error@+2 {{'target_clones' and 'target' attributes are not compatible}}
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// expected-note@+1 {{conflicting attribute is here}}
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void __attribute__((target("sse4.2"), target_clones("arch=sandybridge")))
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ignored_attr(void);
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// expected-error@+2 {{'target' and 'target_clones' attributes are not compatible}}
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// expected-note@+1 {{conflicting attribute is here}}
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void __attribute__((target_clones("arch=sandybridge,default"), target("sse4.2")))
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ignored_attr2(void);
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int redecl(void);
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int __attribute__((target_clones("sse4.2", "default"))) redecl(void) { return 1; }
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int __attribute__((target_clones("sse4.2", "default"))) redecl2(void);
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int __attribute__((target_clones("sse4.2", "default"))) redecl2(void) { return 1; }
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int __attribute__((target_clones("sse4.2", "default"))) redecl3(void);
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int redecl3(void);
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int __attribute__((target_clones("sse4.2", "arch=atom", "default"))) redecl4(void);
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// expected-error@+3 {{'target_clones' attribute does not match previous declaration}}
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// expected-note@-2 {{previous declaration is here}}
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int __attribute__((target_clones("sse4.2", "arch=sandybridge", "default")))
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redecl4(void) { return 1; }
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int __attribute__((target("sse4.2"))) redef2(void) { return 1; }
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// expected-error@+2 {{multiversioning attributes cannot be combined}}
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// expected-note@-2 {{previous declaration is here}}
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int __attribute__((target_clones("sse4.2", "default"))) redef2(void) { return 1; }
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int __attribute__((target_clones("sse4.2,default"))) redef3(void) { return 1; }
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// expected-error@+2 {{redefinition of 'redef3'}}
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// expected-note@-2 {{previous definition is here}}
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int __attribute__((target_clones("sse4.2,default"))) redef3(void) { return 1; }
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int __attribute__((target_clones("sse4.2,default"))) redef4(void) { return 1; }
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// expected-error@+2 {{redefinition of 'redef4'}}
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// expected-note@-2 {{previous definition is here}}
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int __attribute__((target_clones("sse4.2,default"))) redef4(void) { return 1; }
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// Duplicates are allowed, however they alter name mangling.
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// expected-warning@+2 {{mixing 'target_clones' specifier mechanisms is permitted for GCC compatibility}}
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// expected-warning@+1 2 {{version list contains duplicate entries}}
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int __attribute__((target_clones("arch=atom,arch=atom", "arch=atom,default")))
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dupes(void) { return 1; }
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// expected-warning@+1 {{unsupported '' in the 'target_clones' attribute string;}}
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void __attribute__((target_clones("")))
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empty_target_1(void);
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// expected-warning@+1 {{unsupported '' in the 'target_clones' attribute string;}}
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void __attribute__((target_clones(",default")))
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empty_target_2(void);
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// expected-warning@+1 {{unsupported '' in the 'target_clones' attribute string;}}
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void __attribute__((target_clones("default,")))
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empty_target_3(void);
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// expected-warning@+1 {{unsupported '' in the 'target_clones' attribute string;}}
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void __attribute__((target_clones("default, ,avx2")))
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empty_target_4(void);
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// expected-warning@+1 {{unsupported '' in the 'target_clones' attribute string;}}
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void __attribute__((target_clones("default,avx2", "")))
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empty_target_5(void);
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// expected-warning@+1 {{version list contains duplicate entries}}
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void __attribute__((target_clones("default", "default")))
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dupe_default(void);
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// expected-warning@+1 {{version list contains duplicate entries}}
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void __attribute__((target_clones("avx2,avx2,default")))
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dupe_normal(void);
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// expected-error@+2 {{attribute 'target_clones' cannot appear more than once on a declaration}}
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// expected-note@+1 {{conflicting attribute is here}}
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void __attribute__((target_clones("avx2,default"), target_clones("arch=atom,default")))
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dupe_normal2(void);
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int mv_after_use(void);
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int useage(void) {
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return mv_after_use();
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}
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// expected-error@+1 {{function declaration cannot become a multiversioned function after first usage}}
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int __attribute__((target_clones("sse4.2", "default"))) mv_after_use(void) { return 1; }
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void bad_overload1(void) __attribute__((target_clones("mmx", "sse4.2", "default")));
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void bad_overload1(int p) {}
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void bad_overload2(int p) {}
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// expected-error@+2 {{conflicting types for 'bad_overload2'}}
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// expected-note@-2 {{previous definition is here}}
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void bad_overload2(void) __attribute__((target_clones("mmx", "sse4.2", "default")));
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void bad_overload3(void) __attribute__((target_clones("mmx", "sse4.2", "default")));
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// expected-error@+2 {{conflicting types for 'bad_overload3'}}
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// expected-note@-2 {{previous declaration is here}}
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void bad_overload3(int) __attribute__((target_clones("mmx", "sse4.2", "default")));
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void good_overload1(void) __attribute__((target_clones("mmx", "sse4.2", "default")));
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void __attribute__((__overloadable__)) good_overload1(int p) {}
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// expected-error@+1 {{attribute 'target_clones' multiversioning cannot be combined with attribute 'overloadable'}}
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void __attribute__((__overloadable__)) good_overload2(void) __attribute__((target_clones("mmx", "sse4.2", "default")));
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void good_overload2(int p) {}
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// expected-error@+1 {{attribute 'target_clones' multiversioning cannot be combined with attribute 'overloadable'}}
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void __attribute__((__overloadable__)) good_overload3(void) __attribute__((target_clones("mmx", "sse4.2", "default")));
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// expected-error@+1 {{attribute 'target_clones' multiversioning cannot be combined with attribute 'overloadable'}}
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void __attribute__((__overloadable__)) good_overload3(int) __attribute__((target_clones("mmx", "sse4.2", "default")));
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void good_overload4(void) __attribute__((target_clones("mmx", "sse4.2", "default")));
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// expected-error@+1 {{attribute 'target_clones' multiversioning cannot be combined with attribute 'overloadable'}}
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void __attribute__((__overloadable__)) good_overload4(int) __attribute__((target_clones("mmx", "sse4.2", "default")));
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// expected-error@+1 {{attribute 'target_clones' multiversioning cannot be combined with attribute 'overloadable'}}
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void __attribute__((__overloadable__)) good_overload5(void) __attribute__((target_clones("mmx", "sse4.2", "default")));
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void good_overload5(int) __attribute__((target_clones("mmx", "sse4.2", "default")));
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void good_isa_level(int) __attribute__((target_clones("default", "arch=x86-64", "arch=x86-64-v2", "arch=x86-64-v3", "arch=x86-64-v4")));
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// expected-warning@+1 {{unsupported CPU 'x86-64-v5' in the 'target_clones' attribute string; 'target_clones' attribute ignored}}
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void bad_isa_level(int) __attribute__((target_clones("default", "arch=x86-64-v5")));
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// expected-warning@+1 {{unsupported 'sha' in the 'target_clones' attribute string; 'target_clones' attribute ignored}}
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void bad_feature(void) __attribute__((target_clones("default", "sse4.2", "sha")));
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