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 // RUN: %clang_cc1 -emit-llvm -disable-red-zone -femit-coverage-data -coverage-notes-file=aaa.gcno -coverage-data-file=bbb.gcda -dwarf-column-info -debug-info-kind=limited -dwarf-version=4 %s -o - | FileCheck %s --check-prefix GCOV_FILE_INFO 4 5 // RUN: %clang_cc1 -emit-llvm-bc -o /dev/null -fexperimental-new-pass-manager -fdebug-pass-manager -femit-coverage-data %s 2>&1 | FileCheck --check-prefix=NEWPM %s 6 // RUN: %clang_cc1 -emit-llvm-bc -o /dev/null -fexperimental-new-pass-manager -fdebug-pass-manager -femit-coverage-data -O3 %s 2>&1 | FileCheck --check-prefix=NEWPM-O3 %s 7 8 // NEWPM-NOT: Running pass 9 // NEWPM: Running pass: GCOVProfilerPass 10 11 // NEWPM-O3-NOT: Running pass 12 // NEWPM-O3: Running pass: ForceFunctionAttrsPass 13 // NEWPM-O3: Running pass: GCOVProfilerPass 14 15 16 int test1(int a) { 17 switch (a % 2) { 18 case 0: 19 ++a; 20 case 1: 21 a /= 2; 22 } 23 return a; 24 } 25 26 int test2(int b) { 27 return b * 2; 28 } 29 30 // Inside function emission data structure, check that 31 // -coverage-no-function-names-in-data uses null as the function name. 32 // CHECK: @__llvm_internal_gcov_emit_function_args.0 = internal unnamed_addr constant 33 // CHECK-SAME: { i32 {{[0-9]+}}, i8* getelementptr inbounds ({{[^,]*}}, {{[^,]*}}* @ 34 // CHECK-SAME: { i32 {{[0-9]+}}, i8* getelementptr inbounds ({{[^,]*}}, {{[^,]*}}* @ 35 // WITHOUTNAMES: @__llvm_internal_gcov_emit_function_args.0 = internal unnamed_addr constant 36 // WITHOUTNAMES-NOT: getelementptr inbounds ({{.*}}@ 37 // WITHOUTNAMES-SAME: zeroinitializer, 38 // WITHOUTNAMES-NOT: getelementptr inbounds ({{.*}}@ 39 // WITHOUTNAMES-SAME: { i32 {{[0-9]+}}, i8* null, 40 41 // Check that the noredzone flag is set on the generated functions. 42 43 // CHECK: void @__llvm_gcov_indirect_counter_increment(i32* %{{.*}}, i64** %{{.*}}) unnamed_addr [[NRZ:#[0-9]+]] 44 // CHECK: void @__llvm_gcov_writeout() unnamed_addr [[NRZ]] 45 // CHECK: void @__llvm_gcov_flush() unnamed_addr [[NRZ]] 46 // CHECK: void @__llvm_gcov_init() unnamed_addr [[NRZ]] 47 48 // CHECK: attributes [[NRZ]] = { {{.*}}noredzone{{.*}} } 49 50 // GCOV_FILE_INFO: !llvm.gcov = !{![[GCOV:[0-9]+]]} 51 // GCOV_FILE_INFO: ![[GCOV]] = !{!"aaa.gcno", !"bbb.gcda", !{{[0-9]+}}} 52