| // REQUIRES: aarch64-registered-target |
| |
| // RUN: %clang -fno-legacy-pass-manager -fsanitize=hwaddress -target aarch64-linux-gnu -S -emit-llvm -mllvm -hwasan-use-stack-safety=true -mllvm -hwasan-generate-tags-with-calls -O2 %s -o - | FileCheck %s --check-prefix=SAFETY |
| // RUN: %clang -fno-legacy-pass-manager -fsanitize=hwaddress -target aarch64-linux-gnu -S -emit-llvm -mllvm -hwasan-use-stack-safety=false -mllvm -hwasan-generate-tags-with-calls -O2 %s -o - | FileCheck %s --check-prefix=NOSAFETY |
| |
| // RUN: %clang -flegacy-pass-manager -fsanitize=hwaddress -target aarch64-linux-gnu -S -emit-llvm -mllvm -hwasan-use-stack-safety=true -mllvm -hwasan-generate-tags-with-calls -O2 %s -o - | FileCheck %s --check-prefix=SAFETY |
| // RUN: %clang -flegacy-pass-manager -fsanitize=hwaddress -target aarch64-linux-gnu -S -emit-llvm -mllvm -hwasan-use-stack-safety=false -mllvm -hwasan-generate-tags-with-calls -O2 %s -o - | FileCheck %s --check-prefix=NOSAFETY |
| |
| // Default when optimizing, but not with O0. |
| // RUN: %clang -fsanitize=hwaddress -target aarch64-linux-gnu -S -emit-llvm -mllvm -hwasan-generate-tags-with-calls -O2 %s -o - | FileCheck %s --check-prefix=SAFETY |
| // RUN: %clang -fsanitize=hwaddress -target aarch64-linux-gnu -S -emit-llvm -mllvm -hwasan-generate-tags-with-calls -O0 %s -o - | FileCheck %s --check-prefix=NOSAFETY |
| |
| int main(int argc, char **argv) { |
| char buf[10]; |
| volatile char *x = buf; |
| *x = 0; |
| return buf[0]; |
| // NOSAFETY: call i8 @__hwasan_generate_tag |
| // SAFETY-NOT: call i8 @__hwasan_generate_tag |
| } |
