1 // RUN: %clang -target s390x-linux-gnu -fstack-clash-protection -### %s 2>&1 | FileCheck %s -check-prefix=SystemZ
2 // SystemZ: "-fstack-clash-protection"
3 // RUN: %clang -target s390x-linux-gnu -fstack-clash-protection -S -emit-llvm -o %t.ll %s 2>&1 | FileCheck %s -check-prefix=SystemZ-warn
4 // SystemZ-warn: warning: Unable to protect inline asm that clobbers stack pointer against stack clash
5
foo(int c)6 int foo(int c) {
7 int r;
8 __asm__("ag %%r15, %0"
9 :
10 : "rm"(c)
11 : "r15");
12 return r;
13 }
14