diff options
Diffstat (limited to 'test/CodeGen/msp430-fp-elim.c')
| -rw-r--r-- | test/CodeGen/msp430-fp-elim.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/msp430-fp-elim.c b/test/CodeGen/msp430-fp-elim.c new file mode 100644 index 0000000000..c022adecbc --- /dev/null +++ b/test/CodeGen/msp430-fp-elim.c @@ -0,0 +1,19 @@ +// REQUIRES: msp430-registered-target +// RUN: %clang_cc1 -mdisable-fp-elim -triple msp430 -S %s -o - | FileCheck %s --check-prefix=FP_ENFORCED +// RUN: %clang_cc1 -triple msp430 -S %s -o - | FileCheck %s --check-prefix=FP_DEFAULT + +// Check the frame pointer is not used on MSP430 by default, but can be forcibly turned on. + +// FP_ENFORCED: push r4 +// FP_ENFORCED: mov r4, r4 +// FP_ENFORCED: pop r4 +// FP_DEFAULT: .globl fp_elim_check +// FP_DEFAULT-NOT: push r4 +// FP_DEFAULT: mov r4, r4 +// FP_DEFAULT-NOT: pop r4 + +void fp_elim_check() +{ + asm volatile ("mov r4, r4"); +} + |