/// This test checks that the warning includes the location in the C source /// file that contains the inline asm. Instead of saying for both. /// Although this warning is emitted in llvm it cannot be tested from IR as /// it does not have that location information at that stage. // RUN: %clang -target arm-arm-none-eabi -march=armv7-m -c %s -o /dev/null \ // RUN: 2>&1 | FileCheck %s // REQUIRES: arm-registered-target void bar(void) { __asm__ __volatile__("nop" : : : "sp"); } // CHECK: inline-asm-clobber-warning.c:12:24: warning: inline asm clobber list contains reserved registers: SP [-Winline-asm] // CHECK-NEXT: __asm__ __volatile__("nop" // CHECK-NEXT: ^ // 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.