GCC has had this function attribute since GCC 7.1 for this purpose. I
added "no_profile" last week in D104475; rename this to
"no_profile_instrument_function" to improve compatibility with GCC.
Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80223#c11
Reviewed By: MaskRay, aaron.ballman
Differential Revision: https://reviews.llvm.org/D104658
}
def NoProfileFunction : InheritableAttr {
- let Spellings = [Clang<"no_profile">];
+ let Spellings = [GCC<"no_profile_instrument_function">];
let Subjects = SubjectList<[Function]>;
- let Documentation = [NoProfileDocs];
+ let Documentation = [NoProfileInstrumentFunctionDocs];
let SimpleHandler = 1;
}
}];
}
-def NoProfileDocs : Documentation {
+def NoProfileInstrumentFunctionDocs : Documentation {
let Category = DocCatFunction;
let Content = [{
-Use the ``no_profile`` attribute on a function declaration to denote that the
-compiler should not instrument the function with profile-related
-instrumentation, such as via the
+Use the ``no_profile_instrument_function`` attribute on a function declaration
+to denote that the compiler should not instrument the function with
+profile-related instrumentation, such as via the
``-fprofile-generate`` / ``-fprofile-instr-generate`` /
``-fcs-profile-generate`` / ``-fprofile-arcs`` flags.
}];
// RUN: -emit-llvm -o - %s | FileCheck %s
int g(int);
-void __attribute__((no_profile)) no_instr() {
+void __attribute__((no_profile_instrument_function)) no_instr() {
// CHECK: define {{.*}}void @no_instr() [[ATTR:#[0-9]+]]
}
+++ /dev/null
-// RUN: %clang_cc1 %s -fsyntax-only -verify
-__attribute__((no_profile))
-void no_profile0(void);
-#if !__has_attribute(no_profile)
-#error "Where did the no_profile function attribute go?"
-#endif
-
-void no_profile1(__attribute__((no_profile)) int param); // expected-warning {{'no_profile' attribute only applies to functions}}
-__attribute__((no_profile(""))) // expected-error {{'no_profile' attribute takes no arguments}}
-void no_profile2(void);
-void no_profile3(void) {
- __attribute__((no_profile)); // expected-error {{'no_profile' attribute cannot be applied to a statement}}
-}
--- /dev/null
+// RUN: %clang_cc1 %s -fsyntax-only -verify
+__attribute__((no_profile_instrument_function))
+void no_profile0(void);
+#if !__has_attribute(no_profile_instrument_function)
+#error "Where did the no_profile_instrument_function function attribute go?"
+#endif
+
+void no_profile1(__attribute__((no_profile_instrument_function)) int param); // expected-warning {{'no_profile_instrument_function' attribute only applies to functions}}
+__attribute__((no_profile_instrument_function(""))) // expected-error {{'no_profile_instrument_function' attribute takes no arguments}}
+void no_profile2(void);
+void no_profile3(void) {
+ __attribute__((no_profile_instrument_function)); // expected-error {{'no_profile_instrument_function' attribute cannot be applied to a statement}}
+}