| // Test that SanitizerCoverage works under the new pass manager. |
| // RUN: %clang -target x86_64-linux-gnu -fsanitize=fuzzer %s -fexperimental-new-pass-manager -S -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,CHECK-O0 |
| // RUN: %clang -target x86_64-linux-gnu -fsanitize=fuzzer %s -fexperimental-new-pass-manager -O2 -S -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,CHECK-O2 |
| |
| extern void *memcpy(void *, const void *, unsigned long); |
| extern int printf(const char *restrict, ...); |
| |
| int LLVMFuzzerTestOneInput(const unsigned char *data, unsigned long size) { |
| unsigned char buf[4]; |
| |
| if (size < 8) |
| return 0; |
| |
| if (data[0] == 'h' && data[1] == 'i' && data[2] == '!') { |
| memcpy(buf, data, size); |
| printf("test: %.2X\n", buf[0]); |
| } |
| |
| return 0; |
| } |
| |
| // CHECK-DAG: declare void @__sanitizer_cov_pcs_init(i64*, i64*) |
| // CHECK-O0-DAG: declare void @__sanitizer_cov_trace_pc_indir(i64) |
| // CHECK-O0-DAG: declare void @__sanitizer_cov_trace_cmp1(i8 zeroext, i8 zeroext) |
| // CHECK-O0-DAG: declare void @__sanitizer_cov_trace_cmp2(i16 zeroext, i16 zeroext) |
| // CHECK-O0-DAG: declare void @__sanitizer_cov_trace_cmp4(i32 zeroext, i32 zeroext) |
| // CHECK-O0-DAG: declare void @__sanitizer_cov_trace_cmp8(i64, i64) |
| // CHECK-O2-NOT: declare void @__sanitizer_cov_trace_const_cmp1(i8 zeroext, i8 zeroext) |
| // CHECK-O0-DAG: declare void @__sanitizer_cov_trace_const_cmp2(i16 zeroext, i16 zeroext) |
| // CHECK-O0-DAG: declare void @__sanitizer_cov_trace_const_cmp4(i32 zeroext, i32 zeroext) |
| // CHECK-O2-NOT: declare void @__sanitizer_cov_trace_const_cmp8(i64, i64) |
| // CHECK-O0-DAG: declare void @__sanitizer_cov_trace_div4(i32 zeroext) |
| // CHECK-O0-DAG: declare void @__sanitizer_cov_trace_div8(i64) |
| // CHECK-O0-DAG: declare void @__sanitizer_cov_trace_gep(i64) |
| // CHECK-O0-DAG: declare void @__sanitizer_cov_trace_switch(i64, i64*) |
| // CHECK-O0-DAG: declare void @__sanitizer_cov_trace_pc() |
| // CHECK-O0-DAG: declare void @__sanitizer_cov_trace_pc_guard(i32*) |
