| Anton Korobeynikov | f1f897c | 2019-02-05 20:15:03 +0000 | [diff] [blame] | 1 | // REQUIRES: msp430-registered-target |
| 2 | // RUN: %clang_cc1 -mdisable-fp-elim -triple msp430 -S %s -o - | FileCheck %s --check-prefix=FP_ENFORCED |
| 3 | // RUN: %clang_cc1 -triple msp430 -S %s -o - | FileCheck %s --check-prefix=FP_DEFAULT |
| 4 | |
| 5 | // Check the frame pointer is not used on MSP430 by default, but can be forcibly turned on. |
| 6 | |
| 7 | // FP_ENFORCED: push r4 |
| 8 | // FP_ENFORCED: mov r4, r4 |
| 9 | // FP_ENFORCED: pop r4 |
| 10 | // FP_DEFAULT: .globl fp_elim_check |
| 11 | // FP_DEFAULT-NOT: push r4 |
| 12 | // FP_DEFAULT: mov r4, r4 |
| 13 | // FP_DEFAULT-NOT: pop r4 |
| 14 | |
| 15 | void fp_elim_check() |
| 16 | { |
| 17 | asm volatile ("mov r4, r4"); |
| 18 | } |
| 19 | |