diff options
| author | Weiming Zhao <weimingz@codeaurora.org> | 2017-05-05 19:25:29 +0000 |
|---|---|---|
| committer | Weiming Zhao <weimingz@codeaurora.org> | 2017-05-05 19:25:29 +0000 |
| commit | be380c711cb98694d321201127bab47cfef0b5ec (patch) | |
| tree | 5066de26f89f91e6c4660049a24ca392cdb47b3f /clang/test | |
| parent | 21ebb216ea92329f0bb7fb52288e687f09c62a73 (diff) | |
| download | bcm5719-llvm-be380c711cb98694d321201127bab47cfef0b5ec.tar.gz bcm5719-llvm-be380c711cb98694d321201127bab47cfef0b5ec.zip | |
[ARM] Limit the diagnose when an ISR calls a regular function
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
Diffstat (limited to 'clang/test')
| -rw-r--r-- | clang/test/Sema/arm-interrupt-attr.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/clang/test/Sema/arm-interrupt-attr.c b/clang/test/Sema/arm-interrupt-attr.c index 3a6cdbe0e07..60691ab7f8e 100644 --- a/clang/test/Sema/arm-interrupt-attr.c +++ b/clang/test/Sema/arm-interrupt-attr.c @@ -1,7 +1,8 @@ -// RUN: %clang_cc1 %s -triple arm-apple-darwin -verify -fsyntax-only -// RUN: %clang_cc1 %s -triple thumb-apple-darwin -verify -fsyntax-only -// RUN: %clang_cc1 %s -triple armeb-none-eabi -verify -fsyntax-only -// RUN: %clang_cc1 %s -triple thumbeb-none-eabi -verify -fsyntax-only +// RUN: %clang_cc1 %s -triple arm-apple-darwin -target-feature +vfp2 -verify -fsyntax-only +// RUN: %clang_cc1 %s -triple thumb-apple-darwin -target-feature +vfp3 -verify -fsyntax-only +// RUN: %clang_cc1 %s -triple armeb-none-eabi -target-feature +vfp4 -verify -fsyntax-only +// RUN: %clang_cc1 %s -triple thumbeb-none-eabi -target-feature +neon -verify -fsyntax-only +// RUN: %clang_cc1 %s -triple thumbeb-none-eabi -target-feature +neon -target-feature +soft-float -DSOFT -verify -fsyntax-only __attribute__((interrupt(IRQ))) void foo() {} // expected-error {{'interrupt' attribute requires a string}} __attribute__((interrupt("irq"))) void foo1() {} // expected-warning {{'interrupt' attribute argument not supported: irq}} @@ -24,6 +25,8 @@ void caller1() { callee1(); callee2(); } + +#ifndef SOFT __attribute__((interrupt("IRQ"))) void caller2() { callee1(); // expected-warning {{call to function without interrupt attribute could clobber interruptee's VFP registers}} callee2(); @@ -33,3 +36,14 @@ void (*callee3)(); __attribute__((interrupt("IRQ"))) void caller3() { callee3(); // expected-warning {{call to function without interrupt attribute could clobber interruptee's VFP registers}} } +#else +__attribute__((interrupt("IRQ"))) void caller2() { + callee1(); + callee2(); +} + +void (*callee3)(); +__attribute__((interrupt("IRQ"))) void caller3() { + callee3(); +} +#endif |
