xref: /aosp_15_r20/external/clang/test/CodeGen/code-coverage.c (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 -emit-llvm -disable-red-zone -femit-coverage-data %s -o - | FileCheck %s
2*67e74705SXin Li // 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*67e74705SXin Li 
4*67e74705SXin Li // <rdar://problem/12843084>
5*67e74705SXin Li 
test1(int a)6*67e74705SXin Li int test1(int a) {
7*67e74705SXin Li   switch (a % 2) {
8*67e74705SXin Li   case 0:
9*67e74705SXin Li     ++a;
10*67e74705SXin Li   case 1:
11*67e74705SXin Li     a /= 2;
12*67e74705SXin Li   }
13*67e74705SXin Li   return a;
14*67e74705SXin Li }
15*67e74705SXin Li 
16*67e74705SXin Li // Check that the noredzone flag is set on the generated functions.
17*67e74705SXin Li 
18*67e74705SXin Li // CHECK: void @__llvm_gcov_indirect_counter_increment(i32* %{{.*}}, i64** %{{.*}}) unnamed_addr [[NRZ:#[0-9]+]]
19*67e74705SXin Li 
20*67e74705SXin Li // Inside llvm_gcov_writeout, check that -coverage-no-function-names-in-data
21*67e74705SXin Li // passes null as the function name.
22*67e74705SXin Li // CHECK: void @__llvm_gcov_writeout() unnamed_addr [[NRZ]]
23*67e74705SXin Li // CHECK: call void @llvm_gcda_emit_function({{.*}}, i8* getelementptr {{.*}}, {{.*}})
24*67e74705SXin Li // WITHOUTNAMES: void @__llvm_gcov_writeout() unnamed_addr
25*67e74705SXin Li // WITHOUTNAMES: call void @llvm_gcda_emit_function({{.*}}, i8* null, {{.*}})
26*67e74705SXin Li 
27*67e74705SXin Li // CHECK: void @__llvm_gcov_flush() unnamed_addr [[NRZ]]
28*67e74705SXin Li // CHECK: void @__llvm_gcov_init() unnamed_addr [[NRZ]]
29*67e74705SXin Li 
30*67e74705SXin Li // CHECK: attributes [[NRZ]] = { {{.*}}noredzone{{.*}} }
31