return false;
}
unsigned BuiltinID = FD->getBuiltinID();
- if (!BuiltinID)
+ if (!BuiltinID || !BI.isLibFunction(BuiltinID))
return true;
StringRef BuiltinName = BI.GetName(BuiltinID);
if (BuiltinName.startswith("__builtin_") &&
Name = FD->getName();
}
- FunctionIsDirectlyRecursive Walker(Name, Context.BuiltinInfo);
+ auto &BI = Context.BuiltinInfo;
+ unsigned BuiltinID = Context.Idents.get(Name).getBuiltinID();
+ if (!BuiltinID || !BI.isPredefinedLibFunction(BuiltinID))
+ return false;
+
+ FunctionIsDirectlyRecursive Walker(Name, BI);
Walker.TraverseFunctionDecl(const_cast<FunctionDecl*>(FD));
return Walker.Result;
}
inline void foo (void) {
return foo_alias ();
}
-extern void bar_alias (void) __asm ("bar");
-inline __attribute__ ((__always_inline__)) void bar (void) {
- return bar_alias ();
+extern int abs_alias (int) __asm ("abs");
+inline __attribute__ ((__always_inline__)) int abs (int x) {
+ return abs_alias(x);
}
extern char *strrchr_foo (const char *__s, int __c) __asm ("strrchr");
extern inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) char * strrchr_foo (const char *__s, int __c) {
return __builtin_strrchr (__s, __c);
}
+
+extern inline void __attribute__((always_inline, __gnu_inline__))
+prefetch(void) {
+ __builtin_prefetch(0, 0, 1);
+}
+
void f(void) {
foo();
- bar();
+ abs(0);
strrchr_foo("", '.');
+ prefetch();
}
// CHECK-LABEL: define void @f()
// CHECK: call void @foo()
-// CHECK-NEXT: call void @bar()
-// CHECK-NEXT: call i8* @strrchr(
-// CHECK-NEXT: ret void
+// CHECK: call i32 @abs(i32 0)
+// CHECK: call i8* @strrchr(
+// CHECK: call void @llvm.prefetch(
+// CHECK: ret void
// CHECK: declare void @foo()
-// CHECK: declare void @bar()
+// CHECK: declare i32 @abs(i32
// CHECK: declare i8* @strrchr(i8*, i32)
+// CHECK: declare void @llvm.prefetch(