| 1 | // REQUIRES: x86-registered-target |
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| 2 | // RUN: %clang -target i386-apple-darwin -std=c++11 -fblocks -Wframe-larger-than=70 -Wno-stdlibcxx-not-found -Xclang -verify -o /dev/null -c %s |
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| 3 | // RUN: %clang -target i386-apple-darwin -std=c++11 -fblocks -Wframe-larger-than=70 -Wno-stdlibcxx-not-found -Xclang -verify -o /dev/null -c %s -DIS_SYSHEADER |
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| 4 | |
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| 5 | // Test that: |
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| 6 | // * The driver passes the option through to the backend. |
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| 7 | // * The frontend diagnostic handler 'demangles' and resolves the correct function definition. |
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| 8 | |
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| 9 | // Test that link invocations don't emit an "argument unused during compilation" diagnostic. |
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| 10 | // RUN: touch %t.o |
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| 11 | // RUN: %clang -Werror -Wno-msvc-not-found -Wno-liblto -Wframe-larger-than=0 %t.o -### 2>&1 | not grep ' error: ' |
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| 12 | |
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| 13 | // TODO: Support rich backend diagnostics for Objective-C methods. |
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| 14 | |
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| 15 | // Backend diagnostics aren't suppressed in system headers because such results |
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| 16 | // are significant and actionable. |
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| 17 | #ifdef IS_HEADER |
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| 18 | |
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| 19 | #ifdef IS_SYSHEADER |
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| 20 | #pragma clang system_header |
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| 21 | #endif |
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| 22 | |
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| 23 | extern void doIt(char *); |
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| 24 | |
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| 25 | void frameSizeWarning(int, int) {} |
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| 26 | |
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| 27 | void frameSizeWarning(); |
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| 28 | |
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| 29 | void frameSizeWarning() { // expected-warning-re {{stack frame size of {{[0-9]+}} bytes in function 'frameSizeWarning'}} |
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| 30 | char buffer[80]; |
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| 31 | doIt(buffer); |
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| 32 | } |
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| 33 | |
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| 34 | void frameSizeWarning(); |
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| 35 | |
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| 36 | void frameSizeWarning(int) {} |
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| 37 | |
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| 38 | #pragma GCC diagnostic push |
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| 39 | #pragma GCC diagnostic ignored "-Wframe-larger-than=" |
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| 40 | void frameSizeWarningIgnored() { |
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| 41 | char buffer[80]; |
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| 42 | doIt(buffer); |
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| 43 | } |
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| 44 | #pragma GCC diagnostic pop |
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| 45 | |
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| 46 | #pragma GCC diagnostic push |
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| 47 | #ifndef IS_SYSHEADER |
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| 48 | // expected-warning@+2 {{unknown warning group '-Wframe-larger-than'}} |
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| 49 | #endif |
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| 50 | #pragma GCC diagnostic ignored "-Wframe-larger-than" |
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| 51 | #pragma GCC diagnostic pop |
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| 52 | |
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| 53 | void frameSizeLocalClassWarning() { |
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| 54 | struct S { |
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| 55 | S() { // expected-warning-re {{stack frame size of {{[0-9]+}} bytes in function 'frameSizeLocalClassWarning()::S::S'}} |
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| 56 | char buffer[80]; |
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| 57 | doIt(buffer); |
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| 58 | } |
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| 59 | }; |
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| 60 | S(); |
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| 61 | } |
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| 62 | |
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| 63 | void frameSizeLambdaWarning() { |
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| 64 | auto fn = |
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| 65 | []() { // expected-warning-re {{stack frame size of {{[0-9]+}} bytes in lambda expression}} |
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| 66 | char buffer[80]; |
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| 67 | doIt(buffer); |
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| 68 | }; |
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| 69 | fn(); |
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| 70 | } |
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| 71 | |
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| 72 | void frameSizeBlocksWarning() { |
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| 73 | auto fn = |
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| 74 | ^() { // expected-warning-re {{stack frame size of {{[0-9]+}} bytes in block literal}} |
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| 75 | char buffer[80]; |
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| 76 | doIt(buffer); |
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| 77 | }; |
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| 78 | fn(); |
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| 79 | } |
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| 80 | |
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| 81 | #else |
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| 82 | |
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| 83 | #define IS_HEADER |
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| 84 | #include __FILE__ |
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| 85 | #endif |
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| 86 | |
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