1 // RUN: %clang_cc1 -emit-llvm -disable-red-zone -femit-coverage-data %s -o - | FileCheck %s
2 // RUN: %clang_cc1 -emit-llvm -disable-red-zone -femit-coverage-data -coverage-no-function-names-in-data %s -o - | FileCheck %s --check-prefix WITHOUTNAMES
3 
4 // <rdar://problem/12843084>
5 
6 int test1(int a) {
7   switch (a % 2) {
8   case 0:
9     ++a;
10   case 1:
11     a /= 2;
12   }
13   return a;
14 }
15 
16 // Check that the noredzone flag is set on the generated functions.
17 
18 // CHECK: void @__llvm_gcov_indirect_counter_increment(i32* %{{.*}}, i64** %{{.*}}) unnamed_addr [[NRZ:#[0-9]+]]
19 
20 // Inside llvm_gcov_writeout, check that -coverage-no-function-names-in-data
21 // passes null as the function name.
22 // CHECK: void @__llvm_gcov_writeout() unnamed_addr [[NRZ]]
23 // CHECK: call void @llvm_gcda_emit_function({{.*}}, i8* getelementptr {{.*}}, {{.*}})
24 // WITHOUTNAMES: void @__llvm_gcov_writeout() unnamed_addr
25 // WITHOUTNAMES: call void @llvm_gcda_emit_function({{.*}}, i8* null, {{.*}})
26 
27 // CHECK: void @__llvm_gcov_flush() unnamed_addr [[NRZ]]
28 // CHECK: void @__llvm_gcov_init() unnamed_addr [[NRZ]]
29 
30 // CHECK: attributes [[NRZ]] = { {{.*}}noredzone{{.*}} }
31