xref: /llvm-project/clang/test/Driver/fsemantic-interposition.c (revision ddee8eff9c2419724aa5ce78d8a3a6a9715b784b)
1 // RUN: %clang --sysroot=%S/Inputs --target=x86_64 %s -Werror -fpic -fsemantic-interposition -c -### 2>&1 | FileCheck %s
2 // RUN: %clang --sysroot=%S/Inputs --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 --sysroot=%S/Inputs --target=x86_64 %s -Werror -fsemantic-interposition -c -### 2>&1 | FileCheck --check-prefix=NOOP %s
7 // RUN: %clang --sysroot=%S/Inputs --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 --sysroot=%S/Inputs --target=aarch64 %s -Werror -fPIC -fno-semantic-interposition -c -### 2>&1 | FileCheck --check-prefix=NO %s
14 // RUN: %clang --sysroot=%S/Inputs --target=riscv32 %s -Werror -fPIC -fno-semantic-interposition -c -### 2>&1 | FileCheck --check-prefix=NO %s
15 // RUN: %clang --sysroot=%S/Inputs --target=riscv64 %s -Werror -fPIC -fno-semantic-interposition -c -### 2>&1 | FileCheck --check-prefix=NO %s
16 // RUN: %clang --sysroot=%S/Inputs --target=i386 %s -Werror -fPIC -fno-semantic-interposition -c -### 2>&1 | FileCheck --check-prefix=NO %s
17 // RUN: %clang --sysroot=%S/Inputs --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 --sysroot=%S/Inputs --target=ppc64le %s -Werror -fPIC -fno-semantic-interposition -c -### 2>&1 | FileCheck --check-prefix=HALF %s
27 
28 // RUN: %clang --sysroot=%S/Inputs --target=x86_64 %s -Werror -fPIC -c -### 2>&1 | FileCheck --check-prefix=HALF %s
29 //
30 // HALF: "-fhalf-no-semantic-interposition"
31