| // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fsyntax-only -verify %s |
| // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fsyntax-only -verify %s -DNO_CALLER_SAVED_REGISTERS=1 |
| // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -target-feature -x87 -target-feature -mmx -target-feature -sse -fsyntax-only -verify %s -DGPRONLY=1 |
| |
| #if defined(NO_CALLER_SAVED_REGS) || defined(GPRONLY) |
| // expected-no-diagnostics |
| #else |
| #define EXPECT_WARNING |
| #endif |
| |
| #ifdef NO_CALLER_SAVED_REGS |
| __attribute__((no_caller_saved_registers)) |
| #endif |
| #ifdef EXPECT_WARNING |
| // expected-note@+3 {{'foo' declared here}} |
| // expected-note@+2 {{'foo' declared here}} |
| #endif |
| extern void foo(void *); |
| |
| __attribute__((no_caller_saved_registers)) |
| void no_caller_saved_registers(void *arg) { |
| #ifdef EXPECT_WARNING |
| // expected-warning@+2 {{function with attribute 'no_caller_saved_registers' should only call a function with attribute 'no_caller_saved_registers' or be compiled with '-mgeneral-regs-only'}} |
| #endif |
| foo(arg); |
| } |
| |
| __attribute__((interrupt)) |
| void interrupt(void *arg) { |
| #ifdef EXPECT_WARNING |
| // expected-warning@+2 {{interrupt service routine should only call a function with attribute 'no_caller_saved_registers' or be compiled with '-mgeneral-regs-only'}} |
| #endif |
| foo(arg); |
| } |
