clang/test/Driver/fsemantic-interposition.c

   1 // RUN: %clang -target x86_64 %s -Werror -fpic -fsemantic-interposition -c -### 2>&1 | FileCheck %s
   2 // RUN: %clang -target x86_64 %s -Werror -fPIC -fsemantic-interposition -c -### 2>&1 | FileCheck %s
   3 // CHECK: "-fsemantic-interposition"
   4
   5 /// No-op for -fno-pic/-fpie.
   6 // RUN: %clang -target x86_64 %s -Werror -fsemantic-interposition -c -### 2>&1 | FileCheck --check-prefix=NOOP %s
   7 // RUN: %clang -target x86_64 %s -Werror -fPIE -fsemantic-interposition -c -### 2>&1 | FileCheck --check-prefix=NOOP %s
   8 // NOOP-NOT: "-fsemantic-interposition"
   9 // NOOP-NOT: "-fno-semantic-interposition"
  10
  11 /// If -fno-semantic-interposition is specified and the target supports local
  12 /// aliases, neither CC1 option is set.
  13 // RUN: %clang -target aarch64 %s -Werror -fPIC -fno-semantic-interposition -c -### 2>&1 | FileCheck --check-prefix=NO %s
  14 // RUN: %clang -target riscv32 %s -Werror -fPIC -fno-semantic-interposition -c -### 2>&1 | FileCheck --check-prefix=NO %s
  15 // RUN: %clang -target riscv64 %s -Werror -fPIC -fno-semantic-interposition -c -### 2>&1 | FileCheck --check-prefix=NO %s
  16 // RUN: %clang -target i386 %s -Werror -fPIC -fno-semantic-interposition -c -### 2>&1 | FileCheck --check-prefix=NO %s
  17 // RUN: %clang -target x86_64 %s -Werror -fPIC -fno-semantic-interposition -c -### 2>&1 | FileCheck --check-prefix=NO %s
  18 // NO-NOT: "-fsemantic-interposition"
  19 // NO-NOT: "-fhalf-no-semantic-interposition"
  20
  21 /// If neither -fsemantic-interposition or -fno-semantic-interposition is specified,
  22 /// or -fno-semantic-interposition is specified but the target does not support
  23 /// local aliases, use the traditional half-baked behavor: interprocedural
  24 /// optimizations are allowed but local aliases are not used. If references are
  25 /// not optimized out, semantic interposition at runtime is possible.
  26 // RUN: %clang -target ppc64le %s -Werror -fPIC -fno-semantic-interposition -c -### 2>&1 | FileCheck --check-prefix=HALF %s
  27
  28 // RUN: %clang -target x86_64 %s -Werror -fPIC -c -### 2>&1 | FileCheck --check-prefix=HALF %s
  29 //
  30 // HALF: "-fhalf-no-semantic-interposition"