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TheRock/compiler/amd-llvm/clang/test/Sema/x86-diag-excessive-regsave.c
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2026-09-02 16:34:47 -07:00

35 lines
1.2 KiB
C

// 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);
}