clang/test/Driver/fprofile-update.c

   1 /// For -fprofile-instr-generate and -fprofile-arcs, increment counters atomically
   2 /// if -fprofile-update={atomic,prefer-atomic} is specified.
   3 // RUN: %clang -### %s -c -fprofile-update=atomic 2>&1 | FileCheck %s
   4 // RUN: %clang -### %s -c -fprofile-update=prefer-atomic 2>&1 | FileCheck %s
   5
   6 // CHECK: "-fprofile-update=atomic"
   7
   8 // RUN: %clang -### %s -c -fprofile-update=atomic -fprofile-update=single 2>&1 | FileCheck %s --check-prefix=SINGLE
   9
  10 // SINGLE-NOT: "-fprofile-update=atomic"
  11
  12 // RUN: not %clang %s -c -fprofile-update=unknown 2>&1 | FileCheck %s --check-prefix=ERROR
  13
  14 // ERROR: error: unsupported argument 'unknown' to option '-fprofile-update='
  15
  16 // AIX specific tests
  17 // RUN: %clang -### %s --target=powerpc-unknown-aix -fprofile-generate -fprofile-update=atomic 2>&1 | FileCheck %s --check-prefix=AIX
  18 // RUN: %clang -### %s --target=powerpc-unknown-aix -fprofile-generate -fprofile-update=prefer-atomic 2>&1 | FileCheck %s --check-prefix=AIX
  19 // RUN: %clang -### %s --target=powerpc-unknown-aix -fprofile-generate 2>&1 | FileCheck %s --check-prefix=AIX-NOATOMIC
  20 // RUN: %clang -### %s --target=powerpc-unknown-aix -fprofile-generate -fprofile-update=single 2>&1 | FileCheck %s --check-prefix=AIX-NOATOMIC
  21 // AIX: "-latomic"
  22 // AIX-NOATOMIC-NOT: "-latomic"