File: cfi-icall-normalize2.c

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (29 lines) | stat: -rw-r--r-- 1,404 bytes parent folder | download | duplicates (13)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
// 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

// Test that normalized type metadata for functions are emitted for cross-language CFI support with
// other languages that can't represent and encode C/C++ integer types.

void foo(void (*fn)(int), int arg) {
    // CHECK-LABEL: define{{.*}}foo
    // CHECK-SAME: {{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}}
    // CHECK: call i1 @llvm.type.test({{i8\*|ptr}} {{%f|%0}}, metadata !"_ZTSFvu3i32E.normalized")
    fn(arg);
}

void bar(void (*fn)(int, int), int arg1, int arg2) {
    // CHECK-LABEL: define{{.*}}bar
    // CHECK-SAME: {{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}}
    // CHECK: call i1 @llvm.type.test({{i8\*|ptr}} {{%f|%0}}, metadata !"_ZTSFvu3i32S_E.normalized")
    fn(arg1, arg2);
}

void baz(void (*fn)(int, int, int), int arg1, int arg2, int arg3) {
    // CHECK-LABEL: define{{.*}}baz
    // CHECK-SAME: {{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}}
    // CHECK: call i1 @llvm.type.test({{i8\*|ptr}} {{%f|%0}}, metadata !"_ZTSFvu3i32S_S_E.normalized")
    fn(arg1, arg2, arg3);
}

// CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFvPFvu3i32ES_E.normalized"}
// CHECK: ![[TYPE2]] = !{i64 0, !"_ZTSFvPFvu3i32S_ES_S_E.normalized"}
// CHECK: ![[TYPE3]] = !{i64 0, !"_ZTSFvPFvu3i32S_S_ES_S_S_E.normalized"}