| 1 | // Test this without pch. |
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| 2 | // RUN: %clang_cc1 %s -include %s -verify -fsyntax-only |
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| 3 | |
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| 4 | // Test with pch. |
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| 5 | // RUN: %clang_cc1 %s -emit-pch -o %t |
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| 6 | // RUN: %clang_cc1 %s -emit-llvm -include-pch %t -o - | FileCheck %s |
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| 7 | |
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| 8 | // The first run line creates a pch, and since at that point HEADER is not |
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| 9 | // defined, the only thing contained in the pch is the pragma. The second line |
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| 10 | // then includes that pch, so HEADER is defined and the actual code is compiled. |
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| 11 | // The check then makes sure that the pragma is in effect in the file that |
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| 12 | // includes the pch. |
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| 13 | |
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| 14 | // expected-no-diagnostics |
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| 15 | |
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| 16 | #ifndef HEADER |
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| 17 | #define HEADER |
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| 18 | #pragma clang optimize off |
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| 19 | |
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| 20 | #else |
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| 21 | |
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| 22 | int a; |
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| 23 | |
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| 24 | void f() { |
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| 25 | a = 12345; |
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| 26 | } |
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| 27 | |
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| 28 | // Check that the function is decorated with optnone |
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| 29 | |
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| 30 | // CHECK-DAG: @f() [[ATTRF:#[0-9]+]] |
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| 31 | // CHECK-DAG: attributes [[ATTRF]] = { {{.*}}noinline{{.*}}optnone{{.*}} } |
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| 32 | |
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| 33 | #endif |
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| 34 | |
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