1 // RUN: %clang_cc1 -triple x86_64-unknown-linux -fsanitize=cfi-icall -fsanitize-trap=cfi-icall -fsanitize-cfi-icall-experimental-normalize-integers -emit-llvm -o - %s | FileCheck %s
2
3 // Test that normalized type metadata for functions are emitted for cross-language CFI support with
4 // other languages that can't represent and encode C/C++ integer types.
5
foo(void (* fn)(int),int arg)6 void foo(void (*fn)(int), int arg) {
7 // CHECK-LABEL: define{{.*}}foo
8 // CHECK-SAME: {{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}}
9 // CHECK: call i1 @llvm.type.test({{i8\*|ptr}} {{%f|%0}}, metadata !"_ZTSFvu3i32E.normalized")
10 fn(arg);
11 }
12
bar(void (* fn)(int,int),int arg1,int arg2)13 void bar(void (*fn)(int, int), int arg1, int arg2) {
14 // CHECK-LABEL: define{{.*}}bar
15 // CHECK-SAME: {{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}}
16 // CHECK: call i1 @llvm.type.test({{i8\*|ptr}} {{%f|%0}}, metadata !"_ZTSFvu3i32S_E.normalized")
17 fn(arg1, arg2);
18 }
19
baz(void (* fn)(int,int,int),int arg1,int arg2,int arg3)20 void baz(void (*fn)(int, int, int), int arg1, int arg2, int arg3) {
21 // CHECK-LABEL: define{{.*}}baz
22 // CHECK-SAME: {{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}}
23 // CHECK: call i1 @llvm.type.test({{i8\*|ptr}} {{%f|%0}}, metadata !"_ZTSFvu3i32S_S_E.normalized")
24 fn(arg1, arg2, arg3);
25 }
26
27 // CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFvPFvu3i32ES_E.normalized"}
28 // CHECK: ![[TYPE2]] = !{i64 0, !"_ZTSFvPFvu3i32S_ES_S_E.normalized"}
29 // CHECK: ![[TYPE3]] = !{i64 0, !"_ZTSFvPFvu3i32S_S_ES_S_S_E.normalized"}
30