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TheRock/compiler/amd-llvm/clang/test/Sema/arm-interrupt-attr.c
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2026-09-02 16:34:47 -07:00

27 lines
1.4 KiB
C

// RUN: %clang_cc1 %s -triple arm-none-eabi -verify -fsyntax-only
// RUN: %clang_cc1 %s -triple arm-none-eabi -target-feature +vfp2 -verify -fsyntax-only
#ifdef __ARM_FP
__attribute__((interrupt("IRQ"))) void float_irq(void); // expected-warning {{interrupt service routine with vfp enabled may clobber the interruptee's vfp state; consider using the `interrupt_save_fp` attribute to prevent this behavior}}
#else // !defined(__ARM_FP)
__attribute__((interrupt("irq"))) void foo1(void) {} // expected-warning {{'interrupt' attribute argument not supported: irq}}
__attribute__((interrupt(IRQ))) void foo(void) {} // expected-error {{'interrupt' attribute requires a string}}
__attribute__((interrupt("IRQ", 1))) void foo2(void) {} // expected-error {{'interrupt' attribute takes no more than 1 argument}}
__attribute__((interrupt("IRQ"))) void foo3(void) {}
__attribute__((interrupt("FIQ"))) void foo4(void) {}
__attribute__((interrupt("SWI"))) void foo5(void) {}
__attribute__((interrupt("ABORT"))) void foo6(void) {}
__attribute__((interrupt("UNDEF"))) void foo7(void) {}
__attribute__((interrupt)) void foo8(void) {}
__attribute__((interrupt())) void foo9(void) {}
__attribute__((interrupt(""))) void foo10(void) {}
__attribute__((interrupt("IRQ"))) void callee(void) {}
void caller(void)
{
callee(); // expected-error {{interrupt service routine cannot be called directly}}
}
#endif // __ARM_FP