| // Check that we emit warnings/errors for different combinations of | |
| // exceptions, rtti, and vptr sanitizer flags for generic (unknown) x86 linux, | |
| // and for PS4 when its behaviour differs from the generic x86-linux. | |
| // No warnings/errors should be emitted for unknown, except if combining | |
| // the vptr sanitizer with -fno-rtti | |
| // Special cases: -fcxx-exceptions in C code should warn about unused arguments | |
| // We should also not have any rtti-related arguments | |
| // RUN: %clang -x c -### -target x86_64-unknown-unknown -c -fcxx-exceptions %s 2>&1 | FileCheck -check-prefix=CHECK-UNUSED -check-prefix=CHECK-RTTI %s | |
| // Make sure we keep the last -frtti/-fno-rtti argument | |
| // RUN: %clang -### -c -fno-rtti -frtti %s 2>&1 | FileCheck -check-prefix=CHECK-RTTI %s | |
| // RUN: %clang -### -c -frtti -fno-rtti %s 2>&1 | FileCheck -check-prefix=CHECK-NO-RTTI %s | |
| // -fsanitize=vptr | |
| // Make sure we only error/warn once, when trying to enable vptr and | |
| // undefined and have -fno-rtti | |
| // RUN: not %clang -### -c --target=x86_64-unknown-linux -fsanitize=undefined -fsanitize=vptr -fno-rtti %s 2>&1 | FileCheck -check-prefix=CHECK-SAN-ERROR -check-prefix=CHECK-OK %s | |
| // RUN: %clang -### -c -target x86_64-unknown-linux -fsanitize=vptr %s 2>&1 | FileCheck -check-prefix=CHECK-OK %s | |
| // RUN: %clang -### -c -target x86_64-unknown-linux -fsanitize=vptr -frtti %s 2>&1 | FileCheck -check-prefix=CHECK-OK %s | |
| // RUN: not %clang -### -c --target=x86_64-unknown-linux -fsanitize=vptr -fno-rtti %s 2>&1 | FileCheck -check-prefix=CHECK-SAN-ERROR %s | |
| // RUN: %clang -### -c -target x86_64-unknown-linux -fsanitize=undefined %s 2>&1 | FileCheck -check-prefix=CHECK-OK %s | |
| // RUN: %clang -### -c -target x86_64-unknown-linux -fsanitize=undefined -frtti %s 2>&1 | FileCheck -check-prefix=CHECK-OK %s | |
| // RUN: %clang -### -c -target x86_64-scei-ps4 -fsanitize=vptr %s 2>&1 | FileCheck -check-prefix=CHECK-SAN-WARN %s | |
| // RUN: %clang -### -c -target x86_64-sie-ps5 -fsanitize=vptr %s 2>&1 | FileCheck -check-prefix=CHECK-SAN-WARN %s | |
| // Exceptions + no/default rtti | |
| // RUN: %clang -### -c -target x86_64-unknown-unknown -fcxx-exceptions -fno-rtti %s 2>&1 | FileCheck -check-prefix=CHECK-OK %s | |
| // RUN: %clang -### -c -target x86_64-unknown-unknown -fcxx-exceptions %s 2>&1 | FileCheck -check-prefix=CHECK-OK %s | |
| // In C++, -fexceptions implies -fcxx-exceptions | |
| // RUN: %clang -x c++ -### -c -target x86_64-unknown-unknown -fexceptions -fno-rtti %s 2>&1 | FileCheck -check-prefix=CHECK-OK %s | |
| // RUN: %clang -x c++ -### -c -target x86_64-unknown-unknown -fexceptions %s 2>&1 | FileCheck -check-prefix=CHECK-OK %s | |
| // -frtti + exceptions | |
| // RUN: %clang -### -c -target x86_64-unknown-unknown -fcxx-exceptions -frtti %s 2>&1 | FileCheck -check-prefix=CHECK-OK %s | |
| // -f{no-,}rtti/default | |
| // RUN: %clang -### -c -target x86_64-scei-ps4 %s 2>&1 | FileCheck -check-prefix=CHECK-NO-RTTI %s | |
| // RUN: %clang -### -c -target x86_64-sie-ps5 %s 2>&1 | FileCheck -check-prefix=CHECK-NO-RTTI %s | |
| // RUN: %clang -### -c -target x86_64-unknown-unknown -frtti %s 2>&1 | FileCheck -check-prefix=CHECK-RTTI %s | |
| // RUN: %clang -### -c -target x86_64-unknown-unknown -fno-rtti %s 2>&1 | FileCheck -check-prefix=CHECK-NO-RTTI %s | |
| // RUN: %clang -### -c -target x86_64-unknown-unknown %s 2>&1 | FileCheck -check-prefix=CHECK-RTTI %s | |
| // CHECK-UNUSED: warning: argument unused during compilation: '-fcxx-exceptions' | |
| // CHECK-SAN-WARN: implicitly disabling vptr sanitizer because rtti wasn't enabled | |
| // CHECK-SAN-ERROR: invalid argument '-fsanitize=vptr' not allowed with '-fno-rtti' | |
| // CHECK-RTTI-NOT: "-fno-rtti" | |
| // CHECK-NO-RTTI: "-fno-rtti" | |
| // CHECK-OK-NOT: {{warning:|error:}} |