| David Spickett | 2db090a | 2021-05-11 14:33:53 +0000 | [diff] [blame] | 1 | /// This test checks that the warning includes the location in the C source |
| 2 | /// file that contains the inline asm. Instead of saying <inline asm> for both. |
| 3 | /// Although this warning is emitted in llvm it cannot be tested from IR as |
| 4 | /// it does not have that location information at that stage. |
| 5 | |
| 6 | // RUN: %clang -target arm-arm-none-eabi -march=armv7-m -c %s -o /dev/null \ |
| 7 | // RUN: 2>&1 | FileCheck %s |
| 8 | |
| 9 | // REQUIRES: arm-registered-target |
| 10 | |
| 11 | void bar(void) { |
| 12 | __asm__ __volatile__("nop" |
| 13 | : |
| 14 | : |
| 15 | : "sp"); |
| 16 | } |
| 17 | |
| 18 | // CHECK: inline-asm-clobber-warning.c:12:24: warning: inline asm clobber list contains reserved registers: SP [-Winline-asm] |
| 19 | // CHECK-NEXT: __asm__ __volatile__("nop" |
| 20 | // CHECK-NEXT: ^ |
| 21 | // CHECK-NEXT: inline-asm-clobber-warning.c:12:24: note: Reserved registers on the clobber list may not be preserved across the asm statement, and clobbering them may lead to undefined behaviour. |
