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// RUN: %clang %s -target x86_64-unknown-linux-gnu -emit-llvm -S -fsanitize-coverage=trace-pc,trace-cmp -o - | FileCheck %s --check-prefixes=CHECK
// RUN: %clang %s -target x86_64-unknown-linux-gnu -emit-llvm -S -fsanitize=address -fsanitize-coverage=trace-pc,trace-cmp -o - | FileCheck %s --check-prefixes=CHECK,ASAN
// RUN: %clang %s -target x86_64-unknown-linux-gnu -emit-llvm -S -fsanitize=bounds -fsanitize-coverage=trace-pc,trace-cmp -o - | FileCheck %s --check-prefixes=CHECK,BOUNDS
// RUN: %clang %s -target x86_64-unknown-linux-gnu -emit-llvm -S -fsanitize=memory -fsanitize-coverage=trace-pc,trace-cmp -o - | FileCheck %s --check-prefixes=CHECK,MSAN
// RUN: %clang %s -target x86_64-unknown-linux-gnu -emit-llvm -S -fsanitize=thread -fsanitize-coverage=trace-pc,trace-cmp -o - | FileCheck %s --check-prefixes=CHECK,TSAN
// RUN: %clang %s -target x86_64-unknown-linux-gnu -emit-llvm -S -fsanitize=undefined -fsanitize-coverage=trace-pc,trace-cmp -o - | FileCheck %s --check-prefixes=CHECK,UBSAN
// RUN: %clang %s -target x86_64-unknown-linux-gnu -emit-llvm -S -fsanitize=kcfi -fsanitize-coverage=trace-pc,trace-cmp -o - | FileCheck %s --check-prefixes=CHECK,KCFI
// RUN: %clang %s -target x86_64-unknown-linux-gnu -emit-llvm -S -fsanitize=cfi -fsanitize-coverage=trace-pc,trace-cmp -flto -fvisibility=default -fno-sanitize-trap=cfi -fno-sanitize-ignorelist -resource-dir=/dev/null -o - | FileCheck %s --check-prefixes=CHECK,CFI
int x[10];
extern void (*f)(void);
// CHECK-LABEL: define dso_local void @foo(
void foo(int n) {
// CHECK-DAG: call void @__sanitizer_cov_trace_pc
// CHECK-DAG: call void @__sanitizer_cov_trace_const_cmp
// ASAN-DAG: call void @__asan_report_store
// MSAN-DAG: call void @__msan_warning
// BOUNDS-DAG: call void @__ubsan_handle_out_of_bounds
// TSAN-DAG: call void @__tsan_func_entry
// UBSAN-DAG: call void @__ubsan_handle
if (n)
x[n] = 42;
// KCFI-DAG: call void %[[#]]() [ "kcfi"(i32 {{.*}}) ]
// CFI-DAG: call void @__ubsan_handle_cfi_check_fail_abort
f();
}
static inline __attribute__((__always_inline__)) void always_inlined_fn(int n) {
if (n)
x[n] = 42;
}
// CHECK-LABEL: define dso_local void @test_always_inline(
void test_always_inline(int n) {
// CHECK-DAG: call void @__sanitizer_cov_trace_pc
// CHECK-DAG: call void @__sanitizer_cov_trace_const_cmp
always_inlined_fn(n);
}
// CHECK-LABEL: define dso_local void @test_no_sanitize_coverage(
__attribute__((no_sanitize("coverage"))) void test_no_sanitize_coverage(int n) {
// CHECK-NOT: call void @__sanitizer_cov_trace_pc
// CHECK-NOT: call void @__sanitizer_cov_trace_const_cmp
// ASAN-DAG: call void @__asan_report_store
// MSAN-DAG: call void @__msan_warning
// BOUNDS-DAG: call void @__ubsan_handle_out_of_bounds
// TSAN-DAG: call void @__tsan_func_entry
// UBSAN-DAG: call void @__ubsan_handle
if (n)
x[n] = 42;
// KCFI-DAG: call void %[[#]]() [ "kcfi"(i32 {{.*}}) ]
// CFI-DAG: call void @__ubsan_handle_cfi_check_fail_abort
f();
}
// CHECK-LABEL: define dso_local void @test_no_sanitize_combined(
__attribute__((no_sanitize("address", "memory", "thread", "bounds", "undefined", "coverage")))
void test_no_sanitize_combined(int n) {
// CHECK-NOT: call void @__sanitizer_cov_trace_pc
// CHECK-NOT: call void @__sanitizer_cov_trace_const_cmp
// ASAN-NOT: call void @__asan_report_store
// MSAN-NOT: call void @__msan_warning
// BOUNDS-NOT: call void @__ubsan_handle_out_of_bounds
// BOUNDS-NOT: call void @llvm.trap()
// TSAN-NOT: call void @__tsan_func_entry
// UBSAN-NOT: call void @__ubsan_handle
if (n)
x[n] = 42;
}
// CHECK-LABEL: define dso_local void @test_no_sanitize_separate(
__attribute__((no_sanitize("address")))
__attribute__((no_sanitize("memory")))
__attribute__((no_sanitize("thread")))
__attribute__((no_sanitize("bounds")))
__attribute__((no_sanitize("undefined")))
__attribute__((no_sanitize("coverage")))
void test_no_sanitize_separate(int n) {
// CHECK-NOT: call void @__sanitizer_cov_trace_pc
// CHECK-NOT: call void @__sanitizer_cov_trace_const_cmp
// ASAN-NOT: call void @__asan_report_store
// MSAN-NOT: call void @__msan_warning
// BOUNDS-NOT: call void @__ubsan_handle_out_of_bounds
// BOUNDS-NOT: call void @llvm.trap()
// TSAN-NOT: call void @__tsan_func_entry
// UBSAN-NOT: call void @__ubsan_handle
if (n)
x[n] = 42;
}
// CHECK-LABEL: define dso_local void @test_no_sanitize_kcfi(
__attribute__((no_sanitize("kcfi", "coverage")))
void test_no_sanitize_kcfi(void) {
// CHECK-NOT: call void @__sanitizer_cov_trace
// KCFI-NOT: call void %[[#]]() [ "kcfi"(i32 {{.*}}) ]
f();
}
// CHECK-LABEL: define dso_local void @test_no_sanitize_cfi(
__attribute__((no_sanitize("cfi", "coverage")))
void test_no_sanitize_cfi(void) {
// CHECK-NOT: call void @__sanitizer_cov_trace
// CFI-NOT: call void @__ubsan_handle_cfi_check_fail_abort
f();
}
// CHECK-LABEL: define dso_local void @test_no_sanitize_always_inline(
__attribute__((no_sanitize("coverage")))
void test_no_sanitize_always_inline(int n) {
// CHECK-NOT: call void @__sanitizer_cov_trace_pc
// CHECK-NOT: call void @__sanitizer_cov_trace_const_cmp
always_inlined_fn(n);
}
// CHECK-LABEL: declare void
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