1 // RUN: %clang %s -target x86_64-unknown-linux-gnu -emit-llvm -S -fsanitize-coverage=trace-pc,trace-cmp -o - | FileCheck %s --check-prefixes=CHECK
2 // 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
3 // 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
4 // 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
5 // 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
6 // 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
7
8 int x[10];
9
10 // CHECK-LABEL: define dso_local void @foo(
foo(int n)11 void foo(int n) {
12 // CHECK-DAG: call void @__sanitizer_cov_trace_pc
13 // CHECK-DAG: call void @__sanitizer_cov_trace_const_cmp
14 // ASAN-DAG: call void @__asan_report_store
15 // MSAN-DAG: call void @__msan_warning
16 // BOUNDS-DAG: call void @__ubsan_handle_out_of_bounds
17 // TSAN-DAG: call void @__tsan_func_entry
18 // UBSAN-DAG: call void @__ubsan_handle
19 if (n)
20 x[n] = 42;
21 }
22
always_inlined_fn(int n)23 static inline __attribute__((__always_inline__)) void always_inlined_fn(int n) {
24 if (n)
25 x[n] = 42;
26 }
27 // CHECK-LABEL: define dso_local void @test_always_inline(
test_always_inline(int n)28 void test_always_inline(int n) {
29 // CHECK-DAG: call void @__sanitizer_cov_trace_pc
30 // CHECK-DAG: call void @__sanitizer_cov_trace_const_cmp
31 always_inlined_fn(n);
32 }
33
34 // CHECK-LABEL: define dso_local void @test_no_sanitize_coverage(
test_no_sanitize_coverage(int n)35 __attribute__((no_sanitize("coverage"))) void test_no_sanitize_coverage(int n) {
36 // CHECK-NOT: call void @__sanitizer_cov_trace_pc
37 // CHECK-NOT: call void @__sanitizer_cov_trace_const_cmp
38 // ASAN-DAG: call void @__asan_report_store
39 // MSAN-DAG: call void @__msan_warning
40 // BOUNDS-DAG: call void @__ubsan_handle_out_of_bounds
41 // TSAN-DAG: call void @__tsan_func_entry
42 // UBSAN-DAG: call void @__ubsan_handle
43 if (n)
44 x[n] = 42;
45 }
46
47
48 // CHECK-LABEL: define dso_local void @test_no_sanitize_combined(
49 __attribute__((no_sanitize("address", "memory", "thread", "bounds", "undefined", "coverage")))
test_no_sanitize_combined(int n)50 void test_no_sanitize_combined(int n) {
51 // CHECK-NOT: call void @__sanitizer_cov_trace_pc
52 // CHECK-NOT: call void @__sanitizer_cov_trace_const_cmp
53 // ASAN-NOT: call void @__asan_report_store
54 // MSAN-NOT: call void @__msan_warning
55 // BOUNDS-NOT: call void @__ubsan_handle_out_of_bounds
56 // BOUNDS-NOT: call void @llvm.trap()
57 // TSAN-NOT: call void @__tsan_func_entry
58 // UBSAN-NOT: call void @__ubsan_handle
59 if (n)
60 x[n] = 42;
61 }
62
63 // CHECK-LABEL: define dso_local void @test_no_sanitize_separate(
64 __attribute__((no_sanitize("address")))
65 __attribute__((no_sanitize("memory")))
66 __attribute__((no_sanitize("thread")))
67 __attribute__((no_sanitize("bounds")))
68 __attribute__((no_sanitize("undefined")))
69 __attribute__((no_sanitize("coverage")))
test_no_sanitize_separate(int n)70 void test_no_sanitize_separate(int n) {
71 // CHECK-NOT: call void @__sanitizer_cov_trace_pc
72 // CHECK-NOT: call void @__sanitizer_cov_trace_const_cmp
73 // ASAN-NOT: call void @__asan_report_store
74 // MSAN-NOT: call void @__msan_warning
75 // BOUNDS-NOT: call void @__ubsan_handle_out_of_bounds
76 // BOUNDS-NOT: call void @llvm.trap()
77 // TSAN-NOT: call void @__tsan_func_entry
78 // UBSAN-NOT: call void @__ubsan_handle
79 if (n)
80 x[n] = 42;
81 }
82
83 // CHECK-LABEL: define dso_local void @test_no_sanitize_always_inline(
84 __attribute__((no_sanitize("coverage")))
test_no_sanitize_always_inline(int n)85 void test_no_sanitize_always_inline(int n) {
86 // CHECK-NOT: call void @__sanitizer_cov_trace_pc
87 // CHECK-NOT: call void @__sanitizer_cov_trace_const_cmp
88 always_inlined_fn(n);
89 }
90
91 // CHECK-LABEL: declare void
92