clang/test/Driver/mfunction-return.c

   1 // RUN: %clang -mfunction-return= -### %s 2>&1 \
   2 // RUN:   | FileCheck --check-prefix=CHECK-VALID %s
   3 // RUN: not %clang -mfunction-return -### %s 2>&1 \
   4 // RUN:   | FileCheck --check-prefix=CHECK-INVALID %s
   5
   6 // RUN: %clang -mfunction-return=keep -### %s 2>&1 \
   7 // RUN:   | FileCheck --check-prefix=CHECK-KEEP %s
   8 // RUN: %clang -mfunction-return=thunk-extern -### %s 2>&1 \
   9 // RUN:   | FileCheck --check-prefix=CHECK-EXTERN %s
  10
  11 // RUN: %clang -mfunction-return=keep -mfunction-return=thunk-extern -### %s 2>&1 \
  12 // RUN:   | FileCheck --check-prefix=CHECK-EXTERN %s
  13 // RUN: %clang -mfunction-return=thunk-extern -mfunction-return=keep -### %s 2>&1 \
  14 // RUN:   | FileCheck --check-prefix=CHECK-KEEP %s
  15
  16 // CHECK-VALID:   "-mfunction-return="
  17 // CHECK-INVALID: error: unknown argument: '-mfunction-return'
  18
  19 // CHECK-KEEP:       "-mfunction-return=keep"
  20 // CHECK-KEEP-NOT:   "-mfunction-return=thunk-extern"
  21 // CHECK-EXTERN:     "-mfunction-return=thunk-extern"
  22 // CHECK-EXTERN-NOT: "-mfunction-return=keep"