34 lines
843 B
C
34 lines
843 B
C
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// Test this without pch.
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// RUN: %clang_cc1 %s -include %s -verify -fsyntax-only
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// Test with pch.
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// RUN: %clang_cc1 %s -emit-pch -o %t
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// RUN: %clang_cc1 %s -emit-llvm -include-pch %t -o - | FileCheck %s
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// The first run line creates a pch, and since at that point HEADER is not
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// defined, the only thing contained in the pch is the pragma. The second line
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// then includes that pch, so HEADER is defined and the actual code is compiled.
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// The check then makes sure that the pragma is in effect in the file that
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// includes the pch.
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// expected-no-diagnostics
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#ifndef HEADER
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#define HEADER
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#pragma clang optimize off
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#else
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int a;
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void f() {
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a = 12345;
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}
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// Check that the function is decorated with optnone
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// CHECK-DAG: @f() [[ATTRF:#[0-9]+]]
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// CHECK-DAG: attributes [[ATTRF]] = { {{.*}}noinline{{.*}}optnone{{.*}} }
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#endif
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