xref: /minix3/external/bsd/llvm/dist/clang/test/PCH/pragma-optimize.c (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1*0a6a1f1dSLionel Sambuc // Test this without pch.
2*0a6a1f1dSLionel Sambuc // RUN: %clang_cc1 %s -include %s -verify -fsyntax-only
3*0a6a1f1dSLionel Sambuc 
4*0a6a1f1dSLionel Sambuc // Test with pch.
5*0a6a1f1dSLionel Sambuc // RUN: %clang_cc1 %s -emit-pch -o %t
6*0a6a1f1dSLionel Sambuc // RUN: %clang_cc1 %s -emit-llvm -include-pch %t -o - | FileCheck %s
7*0a6a1f1dSLionel Sambuc 
8*0a6a1f1dSLionel Sambuc // The first run line creates a pch, and since at that point HEADER is not
9*0a6a1f1dSLionel Sambuc // defined, the only thing contained in the pch is the pragma. The second line
10*0a6a1f1dSLionel Sambuc // then includes that pch, so HEADER is defined and the actual code is compiled.
11*0a6a1f1dSLionel Sambuc // The check then makes sure that the pragma is in effect in the file that
12*0a6a1f1dSLionel Sambuc // includes the pch.
13*0a6a1f1dSLionel Sambuc 
14*0a6a1f1dSLionel Sambuc // expected-no-diagnostics
15*0a6a1f1dSLionel Sambuc 
16*0a6a1f1dSLionel Sambuc #ifndef HEADER
17*0a6a1f1dSLionel Sambuc #define HEADER
18*0a6a1f1dSLionel Sambuc #pragma clang optimize off
19*0a6a1f1dSLionel Sambuc 
20*0a6a1f1dSLionel Sambuc #else
21*0a6a1f1dSLionel Sambuc 
22*0a6a1f1dSLionel Sambuc int a;
23*0a6a1f1dSLionel Sambuc 
f()24*0a6a1f1dSLionel Sambuc void f() {
25*0a6a1f1dSLionel Sambuc   a = 12345;
26*0a6a1f1dSLionel Sambuc }
27*0a6a1f1dSLionel Sambuc 
28*0a6a1f1dSLionel Sambuc // Check that the function is decorated with optnone
29*0a6a1f1dSLionel Sambuc 
30*0a6a1f1dSLionel Sambuc // CHECK-DAG: @f() [[ATTRF:#[0-9]+]]
31*0a6a1f1dSLionel Sambuc // CHECK-DAG: attributes [[ATTRF]] = { {{.*}}noinline{{.*}}optnone{{.*}} }
32*0a6a1f1dSLionel Sambuc 
33*0a6a1f1dSLionel Sambuc #endif
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