diff options
Diffstat (limited to 'clang/test/Sema')
| -rw-r--r-- | clang/test/Sema/arm-global-regs.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/clang/test/Sema/arm-global-regs.c b/clang/test/Sema/arm-global-regs.c new file mode 100644 index 00000000000..753cb60e683 --- /dev/null +++ b/clang/test/Sema/arm-global-regs.c @@ -0,0 +1,20 @@ +// RUN: %clang_cc1 -ffreestanding -fsyntax-only -target-feature +reserve-r9 -verify -triple arm-arm-none-eabi %s + +// Check a small subset of valid and invalid global register variable declarations. +// Also check that for global register variables without -ffixed-reg options it throws an error. + +register unsigned arm_r3 __asm("r3"); //expected-error {{register 'r3' unsuitable for global register variables on this target}} + +register unsigned arm_r12 __asm("r12"); //expected-error {{register 'r12' unsuitable for global register variables on this target}} + +register unsigned arm_r5 __asm("r5"); //expected-error {{register 'r5' unsuitable for global register variables on this target}} + +register unsigned arm_r9 __asm("r9"); + +register unsigned arm_r6 __asm("r6"); //expected-error {{-ffixed-r6 is required for global named register variable declaration}} + +register unsigned arm_r7 __asm("r7"); //expected-error {{-ffixed-r7 is required for global named register variable declaration}} + +register unsigned *parm_r7 __asm("r7"); //expected-error {{-ffixed-r7 is required for global named register variable declaration}} + +register unsigned arm_sp __asm("sp"); |
