1 // RUN: %clang_cc1 %s -triple arm-apple-darwin  -target-feature +vfp2 -verify -fsyntax-only
2 // RUN: %clang_cc1 %s -triple thumb-apple-darwin  -target-feature +vfp3 -verify -fsyntax-only
3 // RUN: %clang_cc1 %s -triple armeb-none-eabi  -target-feature +vfp4 -verify -fsyntax-only
4 // RUN: %clang_cc1 %s -triple thumbeb-none-eabi  -target-feature +neon -verify -fsyntax-only
5 // RUN: %clang_cc1 %s -triple thumbeb-none-eabi -target-feature +neon -target-feature +soft-float -DSOFT -verify -fsyntax-only
6 
foo()7 __attribute__((interrupt(IRQ))) void foo() {} // expected-error {{'interrupt' attribute requires a string}}
foo1()8 __attribute__((interrupt("irq"))) void foo1() {} // expected-warning {{'interrupt' attribute argument not supported: irq}}
9 
foo2()10 __attribute__((interrupt("IRQ", 1))) void foo2() {} // expected-error {{'interrupt' attribute takes no more than 1 argument}}
11 
foo3()12 __attribute__((interrupt("IRQ"))) void foo3() {}
foo4()13 __attribute__((interrupt("FIQ"))) void foo4() {}
foo5()14 __attribute__((interrupt("SWI"))) void foo5() {}
foo6()15 __attribute__((interrupt("ABORT"))) void foo6() {}
foo7()16 __attribute__((interrupt("UNDEF"))) void foo7() {}
17 
foo8()18 __attribute__((interrupt)) void foo8() {}
foo9()19 __attribute__((interrupt())) void foo9() {}
foo10()20 __attribute__((interrupt(""))) void foo10() {}
21 
22 void callee1();
23 __attribute__((interrupt("IRQ"))) void callee2();
caller1()24 void caller1() {
25   callee1();
26   callee2();
27 }
28 
29 #ifndef SOFT
caller2()30 __attribute__((interrupt("IRQ"))) void caller2() {
31   callee1(); // expected-warning {{call to function without interrupt attribute could clobber interruptee's VFP registers}}
32   callee2();
33 }
34 
35 void (*callee3)();
caller3()36 __attribute__((interrupt("IRQ"))) void caller3() {
37   callee3(); // expected-warning {{call to function without interrupt attribute could clobber interruptee's VFP registers}}
38 }
39 #else
caller2()40 __attribute__((interrupt("IRQ"))) void caller2() {
41   callee1();
42   callee2();
43 }
44 
45 void (*callee3)();
caller3()46 __attribute__((interrupt("IRQ"))) void caller3() {
47   callee3();
48 }
49 #endif
50