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