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be380c711c
Summary: When the function is compiled with soft-float or on CPU with no FPU, we don't need to diagnose for a call from an ISR to a regular function. Reviewers: jroelofs, eli.friedman Reviewed By: jroelofs Subscribers: aemerson, rengolin, javed.absar, cfe-commits Differential Revision: https://reviews.llvm.org/D32918 llvm-svn: 302274
50 lines
1.9 KiB
C
50 lines
1.9 KiB
C
// RUN: %clang_cc1 %s -triple arm-apple-darwin -target-feature +vfp2 -verify -fsyntax-only
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// RUN: %clang_cc1 %s -triple thumb-apple-darwin -target-feature +vfp3 -verify -fsyntax-only
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// RUN: %clang_cc1 %s -triple armeb-none-eabi -target-feature +vfp4 -verify -fsyntax-only
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// RUN: %clang_cc1 %s -triple thumbeb-none-eabi -target-feature +neon -verify -fsyntax-only
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// RUN: %clang_cc1 %s -triple thumbeb-none-eabi -target-feature +neon -target-feature +soft-float -DSOFT -verify -fsyntax-only
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__attribute__((interrupt(IRQ))) void foo() {} // expected-error {{'interrupt' attribute requires a string}}
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__attribute__((interrupt("irq"))) void foo1() {} // expected-warning {{'interrupt' attribute argument not supported: irq}}
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__attribute__((interrupt("IRQ", 1))) void foo2() {} // expected-error {{'interrupt' attribute takes no more than 1 argument}}
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__attribute__((interrupt("IRQ"))) void foo3() {}
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__attribute__((interrupt("FIQ"))) void foo4() {}
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__attribute__((interrupt("SWI"))) void foo5() {}
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__attribute__((interrupt("ABORT"))) void foo6() {}
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__attribute__((interrupt("UNDEF"))) void foo7() {}
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__attribute__((interrupt)) void foo8() {}
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__attribute__((interrupt())) void foo9() {}
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__attribute__((interrupt(""))) void foo10() {}
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void callee1();
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__attribute__((interrupt("IRQ"))) void callee2();
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void caller1() {
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callee1();
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callee2();
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}
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#ifndef SOFT
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__attribute__((interrupt("IRQ"))) void caller2() {
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callee1(); // expected-warning {{call to function without interrupt attribute could clobber interruptee's VFP registers}}
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callee2();
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}
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void (*callee3)();
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__attribute__((interrupt("IRQ"))) void caller3() {
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callee3(); // expected-warning {{call to function without interrupt attribute could clobber interruptee's VFP registers}}
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}
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#else
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__attribute__((interrupt("IRQ"))) void caller2() {
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callee1();
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callee2();
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}
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void (*callee3)();
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__attribute__((interrupt("IRQ"))) void caller3() {
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callee3();
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}
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#endif
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