llvm-project/clang/test/Sema/attr-tls_model.c

// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -verify -fsyntax-only %s

#if !__has_attribute(tls_model)
#error "Should support tls_model attribute"
#endif

int f(void) __attribute((tls_model("global-dynamic"))); // expected-error {{'tls_model' attribute only applies to thread-local variables}}

int x __attribute((tls_model("global-dynamic"))); // expected-error {{'tls_model' attribute only applies to thread-local variables}}
static __thread int y __attribute((tls_model("global-dynamic"))); // no-warning

static __thread int y __attribute((tls_model("local", "dynamic"))); // expected-error {{'tls_model' attribute takes one argument}}
static __thread int y __attribute((tls_model(123))); // expected-error {{expected string literal as argument of 'tls_model' attribute}}
static __thread int y __attribute((tls_model("foobar"))); // expected-error {{tls_model must be "global-dynamic", "local-dynamic", "initial-exec" or "local-exec"}}
Add triple to test/Sema/attr-tls_model.c Not all targets support __thread variables. llvm-svn: 159080 2012-06-23 13:16:37 +00:00			`// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -verify -fsyntax-only %s`
Support the tls_model attribute (PR9788) This adds support for the tls_model attribute. This allows the user to choose a TLS model that is better than what LLVM would select by default. For example, a variable might be declared as: __thread int x __attribute__((tls_model("initial-exec"))); if it will not be used in a shared library that is dlopen'ed. This depends on LLVM r159077. llvm-svn: 159078 2012-06-23 11:51:46 +00:00
			`#if !__has_attribute(tls_model)`
			`#error "Should support tls_model attribute"`
			`#endif`

Use functions with prototypes when appropriate; NFC A significant number of our tests in C accidentally use functions without prototypes. This patch converts the function signatures to have a prototype for the situations where the test is not specific to K&R C declarations. e.g., void func(); becomes void func(void); This is the first batch of tests being updated (there are a significant number of other tests left to be updated). 2022-02-03 16:39:21 -05:00			`int f(void) __attribute((tls_model("global-dynamic"))); // expected-error {{'tls_model' attribute only applies to thread-local variables}}`
Support the tls_model attribute (PR9788) This adds support for the tls_model attribute. This allows the user to choose a TLS model that is better than what LLVM would select by default. For example, a variable might be declared as: __thread int x __attribute__((tls_model("initial-exec"))); if it will not be used in a shared library that is dlopen'ed. This depends on LLVM r159077. llvm-svn: 159078 2012-06-23 11:51:46 +00:00
			`int x __attribute((tls_model("global-dynamic"))); // expected-error {{'tls_model' attribute only applies to thread-local variables}}`
			`static __thread int y __attribute((tls_model("global-dynamic"))); // no-warning`

Added the attribute name to the err_attribute_wrong_number_arguments diagnostic for clarity; updated almost all of the affected test cases. Thanks to Fariborz Jahanian for the suggestion! llvm-svn: 186980 2013-07-23 19:30:11 +00:00			`static __thread int y __attribute((tls_model("local", "dynamic"))); // expected-error {{'tls_model' attribute takes one argument}}`
Complete the implementation of P2361 Unevaluated string literals The attributes changes were left out of Clang 17. Attributes that used to take a string literal now accept an unevaluated string literal instead, which means they reject numeric escape sequences and strings literal with an encoding prefix - but the later was already ill-formed in most cases. We need to know that we are going to parse an unevaluated string literal before we do - so we can reject numeric escape sequence, so we derive from Attrs.td which attributes parameters are expected to be string literals. Reviewed By: aaron.ballman Differential Revision: https://reviews.llvm.org/D156237 2021-07-10 15:52:54 +02:00			`static __thread int y __attribute((tls_model(123))); // expected-error {{expected string literal as argument of 'tls_model' attribute}}`
Support the tls_model attribute (PR9788) This adds support for the tls_model attribute. This allows the user to choose a TLS model that is better than what LLVM would select by default. For example, a variable might be declared as: __thread int x __attribute__((tls_model("initial-exec"))); if it will not be used in a shared library that is dlopen'ed. This depends on LLVM r159077. llvm-svn: 159078 2012-06-23 11:51:46 +00:00			`static __thread int y __attribute((tls_model("foobar"))); // expected-error {{tls_model must be "global-dynamic", "local-dynamic", "initial-exec" or "local-exec"}}`