37 lines · c
1// Verify ubsan doesn't emit checks for ignorelisted functions and files2// RUN: echo "fun:hash" > %t-func.ignorelist3// RUN: echo "src:%s" | sed -e 's/\\/\\\\/g' > %t-file.ignorelist4 5// RUN: rm -f %t-vfsoverlay.yaml6// RUN: rm -f %t-nonexistent.ignorelist7// RUN: sed -e "s|@DIR@|%/T|g" %S/Inputs/sanitizer-ignorelist-vfsoverlay.yaml | sed -e "s|@REAL_FILE@|%/t-func.ignorelist|g" | sed -e "s|@NONEXISTENT_FILE@|%/t-nonexistent.ignorelist|g" > %t-vfsoverlay.yaml8// RUN: %clang_cc1 -fsanitize=unsigned-integer-overflow -ivfsoverlay %t-vfsoverlay.yaml -fsanitize-ignorelist=%/T/only-virtual-file.ignorelist -emit-llvm %s -o - | FileCheck %s --check-prefix=FUNC9 10// RUN: not %clang_cc1 -fsanitize=unsigned-integer-overflow -ivfsoverlay %t-vfsoverlay.yaml -fsanitize-ignorelist=%/T/invalid-virtual-file.ignorelist -emit-llvm %s -o - 2>&1 | FileCheck -DMSG=%errc_ENOENT %s --check-prefix=INVALID-MAPPED-FILE11// INVALID-MAPPED-FILE: invalid-virtual-file.ignorelist': [[MSG]]12 13// RUN: not %clang_cc1 -fsanitize=unsigned-integer-overflow -ivfsoverlay %t-vfsoverlay.yaml -fsanitize-ignorelist=%t-nonexistent.ignorelist -emit-llvm %s -o - 2>&1 | FileCheck -DMSG=%errc_ENOENT %s --check-prefix=INVALID14// INVALID: nonexistent.ignorelist': [[MSG]]15 16unsigned i;17 18// DEFAULT: @hash19// FUNC: @hash20// FILE: @hash21unsigned hash(void) {22// DEFAULT: call {{.*}}void @__ubsan23// FUNC-NOT: call {{.*}}void @__ubsan24// FILE-NOT: call {{.*}}void @__ubsan25 return i * 37;26}27 28// DEFAULT: @add29// FUNC: @add30// FILE: @add31unsigned add(void) {32// DEFAULT: call {{.*}}void @__ubsan33// FUNC: call {{.*}}void @__ubsan34// FILE-NOT: call {{.*}}void @__ubsan35 return i + 1;36}37