1 /// We support coverage versions 4.2, 4.7 and 4.8. 2 /// 4.7 enables cfg_checksum. 3 /// 4.8 (default, compatible with gcov 7) emits the exit block the second. 4 // RUN: %clang_cc1 -emit-llvm -disable-red-zone -femit-coverage-data -coverage-version='402*' %s -o - | \ 5 // RUN: FileCheck --check-prefixes=CHECK,402 %s 6 // RUN: %clang_cc1 -emit-llvm -disable-red-zone -femit-coverage-data -coverage-version='407*' %s -o - | \ 7 // RUN: FileCheck --check-prefixes=CHECK,407 %s 8 // RUN: %clang_cc1 -emit-llvm -disable-red-zone -femit-coverage-data %s -o - | \ 9 // RUN: FileCheck --check-prefixes=CHECK,408 %s 10 11 // 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 12 13 // 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 14 // 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 15 16 // NEWPM-NOT: Running pass 17 // NEWPM: Running pass: GCOVProfilerPass 18 19 // NEWPM-O3-NOT: Running pass 20 // NEWPM-O3: Running pass: ForceFunctionAttrsPass 21 // NEWPM-O3: Running pass: GCOVProfilerPass 22 23 24 int test1(int a) { 25 switch (a % 2) { 26 case 0: 27 ++a; 28 case 1: 29 a /= 2; 30 } 31 return a; 32 } 33 34 int test2(int b) { 35 return b * 2; 36 } 37 38 // 402: private unnamed_addr constant [5 x i8] c"*204\00" 39 // 407: private unnamed_addr constant [5 x i8] c"*704\00" 40 // 408: private unnamed_addr constant [5 x i8] c"*804\00" 41 42 // CHECK: @__llvm_internal_gcov_emit_function_args.0 = internal unnamed_addr constant [2 x %0] 43 // CHECK-SAME: [%0 zeroinitializer, %0 { i32 1, i32 0, i32 0 }] 44 45 // Check that the noredzone flag is set on the generated functions. 46 47 // CHECK: void @__llvm_gcov_writeout() unnamed_addr [[NRZ:#[0-9]+]] 48 // CHECK: void @__llvm_gcov_flush() unnamed_addr [[NRZ]] 49 // CHECK: void @__llvm_gcov_init() unnamed_addr [[NRZ]] 50 51 // CHECK: attributes [[NRZ]] = { {{.*}}noredzone{{.*}} } 52 53 // GCOV_FILE_INFO: !llvm.gcov = !{![[GCOV:[0-9]+]]} 54 // GCOV_FILE_INFO: ![[GCOV]] = !{!"aaa.gcno", !"bbb.gcda", !{{[0-9]+}}} 55