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: rm -rf %t && mkdir %t && cd %t 6 // RUN: %clang_cc1 -emit-llvm -disable-red-zone -coverage-data-file=/dev/null -coverage-version='304*' %s -o - | \ 7 // RUN: FileCheck --check-prefixes=CHECK,304 %s 8 // RUN: %clang_cc1 -emit-llvm -disable-red-zone -coverage-data-file=/dev/null -coverage-version='407*' %s -o - | \ 9 // RUN: FileCheck --check-prefixes=CHECK,407 %s 10 // RUN: %clang_cc1 -emit-llvm -disable-red-zone -coverage-data-file=/dev/null %s -o - | \ 11 // RUN: FileCheck --check-prefixes=CHECK,408 %s 12 13 // RUN: %clang_cc1 -emit-llvm -disable-red-zone -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 14 15 // RUN: %clang_cc1 -emit-llvm-bc -o /dev/null -fdebug-pass-manager -coverage-data-file=/dev/null %s 2>&1 | FileCheck --check-prefix=NEWPM %s 16 // RUN: %clang_cc1 -emit-llvm-bc -o /dev/null -fdebug-pass-manager -coverage-data-file=/dev/null -O3 %s 2>&1 | FileCheck --check-prefix=NEWPM-O3 %s 17 18 // NEWPM: Running pass: VerifierPass 19 // NEWPM: Running pass: GCOVProfilerPass 20 21 // NEWPM-O3: Running pass: VerifierPass 22 // NEWPM-O3: Running pass: Annotation2MetadataPass 23 // NEWPM-O3: Running pass: ForceFunctionAttrsPass 24 // NEWPM-O3: Running pass: GCOVProfilerPass 25 26 int test1(int a) { 27 switch (a % 2) { 28 case 0: 29 ++a; 30 case 1: 31 a /= 2; 32 } 33 return a; 34 } 35 36 int test2(int b) { 37 return b * 2; 38 } 39 40 41 // CHECK: @__llvm_internal_gcov_emit_function_args.0 = internal unnamed_addr constant [2 x %emit_function_args_ty] 42 // 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]+}} }] 43 44 // CHECK: @__llvm_internal_gcov_emit_file_info = internal unnamed_addr constant [1 x %file_info] 45 /// 0x3330342a '3' '0' '4' '*' 46 // 304-SAME: i32 858797098 47 /// 0x3430372a '4' '0' '7' '*' 48 // 407-SAME: i32 875575082 49 /// 0x3430382a '4' '0' '8' '*' 50 // 408-SAME: i32 875575338 51 52 // Check that the noredzone flag is set on the generated functions. 53 54 // CHECK: void @__llvm_gcov_writeout() unnamed_addr [[NRZ:#[0-9]+]] 55 // CHECK: void @__llvm_gcov_init() unnamed_addr [[NRZ]] 56 57 // CHECK: attributes [[NRZ]] = { {{.*}}noredzone{{.*}} } 58 59 // GCOV_FILE_INFO: !llvm.gcov = !{![[GCOV:[0-9]+]]} 60 // GCOV_FILE_INFO: ![[GCOV]] = !{!"aaa.gcno", !"bbb.gcda", !{{[0-9]+}}} 61