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