| // 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"); |
| } |
| |
