clang/test/CodeGen/mnop-mcount.c

   1 // RUN: %clang_cc1 -pg -mfentry -mnop-mcount -triple s390x-ibm-linux -emit-llvm \
   2 // RUN:   -o - %s 2>&1 | FileCheck  %s
   3 // RUN: not %clang_cc1 -pg -mnop-mcount -triple s390x-ibm-linux -emit-llvm -o - \
   4 // RUN:   %s 2>&1 | FileCheck -check-prefix=NOMFENTRY %s
   5 // RUN: %clang_cc1 -mfentry -mnop-mcount -triple s390x-ibm-linux -emit-llvm -o - \
   6 // RUN:   %s 2>&1 | FileCheck -check-prefix=NOPG %s
   7 // RUN: %clang_cc1 -mnop-mcount -triple s390x-ibm-linux -emit-llvm -o - %s \
   8 // RUN:   2>&1 | FileCheck -check-prefix=NOPG %s
   9
  10 int foo(void) {
  11   return 0;
  12 }
  13
  14 int __attribute__((no_instrument_function)) no_instrument(void) {
  15   return foo();
  16 }
  17
  18 //CHECK: attributes #0 = { {{.*}}"mnop-mcount"{{.*}} }
  19 //CHECK: attributes #1 = { {{.*}} }
  20 //CHECK-NOT: attributes #1 = { {{.*}}"mnop-mcount"{{.*}} }
  21 //NOMFENTRY: error: option '-mnop-mcount' cannot be specified without '-mfentry'
  22 //NOPG-NOT: attributes #0 = { {{.*}}"mnop-mcount"{{.*}} }
  23 //NOPG-NOT: attributes #1 = { {{.*}}"mnop-mcount"{{.*}} }