derek.holloway
7502bf64a4
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131 lines
6.8 KiB
C
131 lines
6.8 KiB
C
// RUN: %clang_cc1 -triple aarch64-linux-gnu -fsyntax-only -verify %s
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int __attribute__((target_version("crc"))) dup(void) { return 3; }
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int __attribute__((target_version("default"))) dup(void) { return 1; }
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//expected-error@+2 {{redefinition of 'dup'}}
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//expected-note@-2 {{previous definition is here}}
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int __attribute__((target_version("default"))) dup(void) { return 2; }
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int __attribute__((target_version("default"))) dup1(void) { return 1; }
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//expected-error@+2 {{redefinition of 'dup1'}}
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//expected-note@-2 {{previous definition is here}}
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int dup1(void) { return 2; }
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int __attribute__((target_version("aes"))) foo(void) { return 1; }
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//expected-note@+1 {{previous definition is here}}
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int __attribute__((target_version("default"))) foo(void) { return 2; }
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//expected-note@+1 {{previous definition is here}}
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int __attribute__((target_version("sha3 + aes "))) foo(void) { return 1; }
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//expected-note@-1 {{previous definition is here}}
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//expected-error@+1 {{redefinition of 'foo'}}
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int __attribute__((target("dotprod"))) foo(void) { return -1; }
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//expected-warning@-1 {{attribute declaration must precede definition}}
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//expected-error@+1 {{redefinition of 'foo'}}
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int foo(void) { return 2; }
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//expected-note@+1 {{previous definition is here}}
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__attribute__ ((target("bf16,sve,sve2,dotprod"))) int func(void) { return 1; }
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//expected-error@+1 {{redefinition of 'func'}}
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__attribute__ ((target("default"))) int func(void) { return 0; }
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//expected-note@+1 {{previous declaration is here}}
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void __attribute__((target_version("bti+flagm2"))) one(void) {}
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//expected-error@+1 {{multiversioned function redeclarations require identical target attributes}}
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void __attribute__((target_version("flagm2+bti"))) one(void) {}
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void __attribute__((target_version("ssbs+sha2"))) two(void) {}
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void __attribute__((target_version("ssbs+fp16fml"))) two(void) {}
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//expected-error@+1 {{'main' cannot be a multiversioned function}}
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int __attribute__((target_version("lse"))) main(void) { return 1; }
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// It is ok for the default version to appear first.
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int default_first(void) { return 1; }
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int __attribute__((target_version("dit"))) default_first(void) { return 2; }
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int __attribute__((target_version("mops"))) default_first(void) { return 3; }
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// It is ok if the default version is between other versions.
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int __attribute__((target_version("simd"))) default_middle(void) {return 0; }
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int __attribute__((target_version("default"))) default_middle(void) { return 1; }
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int __attribute__((target_version("aes"))) default_middle(void) { return 2; }
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// It is ok for the default version to be the last one.
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int __attribute__((target_version("rdm"))) default_last(void) {return 0; }
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int __attribute__((target_version("lse+aes"))) default_last(void) { return 1; }
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int __attribute__((target_version("default"))) default_last(void) { return 2; }
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// It is also ok to forward declare the default.
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int __attribute__((target_version("default"))) default_fwd_declare(void);
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int __attribute__((target_version("sve"))) default_fwd_declare(void) { return 0; }
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int default_fwd_declare(void) { return 1; }
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//expected-warning@+1 {{unsupported '' in the 'target_version' attribute string; 'target_version' attribute ignored}}
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int __attribute__((target_version(""))) unsup1(void) { return 1; }
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//expected-warning@+1 {{unsupported 'crc32' in the 'target_version' attribute string; 'target_version' attribute ignored}}
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void __attribute__((target_version("crc32"))) unsup2(void) {}
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void __attribute__((target_version("default+fp16"))) koo(void) {}
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//expected-error@-1 {{function multiversioning doesn't support feature 'default'}}
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void __attribute__((target_version("default+default+default"))) loo(void) {}
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//expected-error@-1 {{function multiversioning doesn't support feature 'default'}}
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void __attribute__((target_version("rdm+rng+crc"))) redef(void) {}
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//expected-error@+2 {{redefinition of 'redef'}}
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//expected-note@-2 {{previous definition is here}}
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void __attribute__((target_version("rdm+rng+crc"))) redef(void) {}
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int def(void);
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void __attribute__((target_version("dit"))) nodef(void);
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void __attribute__((target_version("wfxt"))) nodef(void);
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void __attribute__((target_version("aes"))) ovl(void);
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void __attribute__((target_version("default"))) ovl(void);
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int bar() {
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// expected-error@+2 {{reference to overloaded function could not be resolved; did you mean to call it?}}
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// expected-note@-3 {{possible target for call}}
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ovl++;
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nodef();
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return def();
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}
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// expected-error@+2 {{function declaration cannot become a multiversioned function after first usage}}
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// expected-note@-13 {{previous declaration is here}}
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int __attribute__((target_version("sha2"))) def(void) { return 1; }
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int __attribute__((target_version("sve"))) prot();
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// expected-error@-1 {{multiversioned function must have a prototype}}
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int __attribute__((target_version("aes"))) rtype(int);
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// expected-error@+1 {{multiversioned function declaration has a different return type}}
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float __attribute__((target_version("rdm"))) rtype(int);
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int __attribute__((target_version("sha2"))) combine(void) { return 1; }
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// expected-error@+1 {{multiversioned function declaration has a different calling convention}}
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int __attribute__((aarch64_vector_pcs, target_version("sha3"))) combine(void) { return 2; }
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// expected-error@+1 {{multiversioned function must have a prototype}}
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int __attribute__((target_version("fp+aes+rcpc"))) unspec_args() { return -1; }
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// expected-error@-1 {{multiversioned function must have a prototype}}
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// expected-note@+1 {{function multiversioning caused by this declaration}}
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int __attribute__((target_version("default"))) unspec_args() { return 0; }
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int cargs() { return unspec_args(); }
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// expected-error@+1 {{multiversioned function must have a prototype}}
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int unspec_args_implicit_default_first();
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// expected-error@-1 {{multiversioned function must have a prototype}}
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// expected-note@+1 {{function multiversioning caused by this declaration}}
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int __attribute__((target_version("aes"))) unspec_args_implicit_default_first() { return -1; }
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// expected-note@+1 {{function multiversioning caused by this declaration}}
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int __attribute__((target_version("default"))) unspec_args_implicit_default_first() { return 0; }
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int __attribute__((target_version("aes + sve2 ; priority=100"))) priority_whitespace(void) { return 0; }
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//expected-warning@+1 {{unsupported 'priority=10' in the 'target_version' attribute string; 'target_version' attribute ignored}}
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int __attribute__((target_version("priority=10;aes"))) priority_before_features(void) { return 0; }
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//expected-warning@+1 {{version priority '256' is outside the allowed range [1-255]; ignoring priority}}
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int __attribute__((target_version("aes;priority=256"))) priority_out_of_range(void) { return 0; }
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//expected-warning@+1 {{priority of default version cannot be overridden; ignoring priority}}
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int __attribute__((target_version("default;priority=10"))) priority_default_version(void) { return 0; }
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