1 /// We support coverage versions 3.4, 4.7 and 4.8. 2 /// 3.4 redesigns the format and changed .da to .gcda 3 /// 4.7 enables cfg_checksum. 4 /// 4.8 (default, compatible with gcov 7) emits the exit block the second. 5 // RUN: %clang_cc1 -emit-llvm -disable-red-zone -fprofile-arcs -coverage-version='304*' %s -o - | \ 6 // RUN: FileCheck --check-prefixes=CHECK,304 %s 7 // RUN: %clang_cc1 -emit-llvm -disable-red-zone -fprofile-arcs -coverage-version='407*' %s -o - | \ 8 // RUN: FileCheck --check-prefixes=CHECK,407 %s 9 // RUN: %clang_cc1 -emit-llvm -disable-red-zone -fprofile-arcs %s -o - | \ 10 // RUN: FileCheck --check-prefixes=CHECK,408 %s 11 12 // RUN: %clang_cc1 -emit-llvm -disable-red-zone -fprofile-arcs -coverage-notes-file=aaa.gcno -coverage-data-file=bbb.gcda -debug-info-kind=limited -dwarf-version=4 %s -o - | FileCheck %s --check-prefix GCOV_FILE_INFO 13 14 // RUN: %clang_cc1 -emit-llvm-bc -o /dev/null -fexperimental-new-pass-manager -fdebug-pass-manager -fprofile-arcs %s 2>&1 | FileCheck --check-prefix=NEWPM %s 15 // RUN: %clang_cc1 -emit-llvm-bc -o /dev/null -fexperimental-new-pass-manager -fdebug-pass-manager -fprofile-arcs -O3 %s 2>&1 | FileCheck --check-prefix=NEWPM-O3 %s 16 17 // NEWPM-NOT: Running pass 18 // NEWPM: Running pass: GCOVProfilerPass 19 20 // NEWPM-O3-NOT: Running pass 21 // NEWPM-O3: Running pass: ForceFunctionAttrsPass 22 // NEWPM-O3: Running pass: GCOVProfilerPass 23 24 25 int test1(int a) { 26 switch (a % 2) { 27 case 0: 28 ++a; 29 case 1: 30 a /= 2; 31 } 32 return a; 33 } 34 35 int test2(int b) { 36 return b * 2; 37 } 38 39 40 // CHECK: @__llvm_internal_gcov_emit_function_args.0 = internal unnamed_addr constant [2 x %emit_function_args_ty] 41 // CHECK-SAME: [%emit_function_args_ty { i32 0, i32 {{[-0-9]+}}, i32 {{[-0-9]+}} }, %emit_function_args_ty { i32 1, i32 {{[-0-9]+}}, i32 {{[-0-9]+}} }] 42 43 // CHECK: @__llvm_internal_gcov_emit_file_info = internal unnamed_addr constant [1 x %file_info] 44 /// 0x3330342a '3' '0' '4' '*' 45 // 304-SAME: i32 858797098 46 /// 0x3430372a '4' '0' '7' '*' 47 // 407-SAME: i32 875575082 48 /// 0x3430382a '4' '0' '8' '*' 49 // 408-SAME: i32 875575338 50 51 // Check that the noredzone flag is set on the generated functions. 52 53 // CHECK: void @__llvm_gcov_writeout() unnamed_addr [[NRZ:#[0-9]+]] 54 // CHECK: void @__llvm_gcov_init() unnamed_addr [[NRZ]] 55 56 // CHECK: attributes [[NRZ]] = { {{.*}}noredzone{{.*}} } 57 58 // GCOV_FILE_INFO: !llvm.gcov = !{![[GCOV:[0-9]+]]} 59 // GCOV_FILE_INFO: ![[GCOV]] = !{!"aaa.gcno", !"bbb.gcda", !{{[0-9]+}}} 60