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