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
bar(void)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.
22