File: attr-speculative-load-hardening.cpp

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-20
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,496,436 kB
  • sloc: cpp: 5,593,990; ansic: 986,873; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,547; xml: 953; cs: 573; fortran: 567
file content (62 lines) | stat: -rw-r--r-- 2,885 bytes parent folder | download | duplicates (23)
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
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
// Check that we correctly set or did not set the attribute for each function.
// RUN: %clang_cc1 -std=c++11 -disable-llvm-passes -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECK1
// RUN: %clang_cc1 -std=c++11 -disable-llvm-passes -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECK2

// Check that we correctly set or did not set the attribute on each function despite the
// -mspeculative-load-hardening flag.
// RUN: %clang_cc1 -mspeculative-load-hardening -std=c++11 -disable-llvm-passes -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECK3
// RUN: %clang_cc1 -mspeculative-load-hardening -std=c++11 -disable-llvm-passes -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECK4


// Check that we correctly set or did not set the attribute on each function despite the
// -mno-speculative-load-hardening flag.
// RUN: %clang -mno-speculative-load-hardening -S -std=c++11 -disable-llvm-passes -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECK5
// RUN: %clang -mno-speculative-load-hardening -S -std=c++11 -disable-llvm-passes -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECK6


[[clang::speculative_load_hardening]]
int test1() {
  return 42;
}

int __attribute__((speculative_load_hardening)) test2() {
  return 42;
}

[[clang::no_speculative_load_hardening]]
int test3() {
  return 42;
}

int __attribute__((no_speculative_load_hardening)) test4() {
  return 42;
}
// CHECK1: @{{.*}}test1{{.*}}[[SLH:#[0-9]+]]
// CHECK1: @{{.*}}test3{{.*}}[[NOSLH:#[0-9]+]]
// CHECK1: attributes [[SLH]] = { {{.*}}speculative_load_hardening{{.*}} }
// CHECK1-NOT: attributes [[NOSLH]] = { {{.*}}speculative_load_hardening{{.*}} }

// CHECK2: @{{.*}}test2{{.*}}[[SLH:#[0-9]+]]
// CHECK2: @{{.*}}test4{{.*}}[[NOSLH:#[0-9]+]]
// CHECK2: attributes [[SLH]] = { {{.*}}speculative_load_hardening{{.*}} }
// CHECK2-NOT: attributes [[NOSLH]] = { {{.*}}speculative_load_hardening{{.*}} }

// CHECK3: @{{.*}}test1{{.*}}[[SLH:#[0-9]+]]
// CHECK3: @{{.*}}test3{{.*}}[[NOSLH:#[0-9]+]]
// CHECK3: attributes [[SLH]] = { {{.*}}speculative_load_hardening{{.*}} }
// CHECK3-NOT: attributes [[NOSLH]] = { {{.*}}speculative_load_hardening{{.*}} }

// CHECK4: @{{.*}}test2{{.*}}[[SLH:#[0-9]+]]
// CHECK4: @{{.*}}test4{{.*}}[[NOSLH:#[0-9]+]]
// CHECK4: attributes [[SLH]] = { {{.*}}speculative_load_hardening{{.*}} }
// CHECK4-NOT: attributes [[NOSLH]] = { {{.*}}speculative_load_hardening{{.*}} }

// CHECK5: @{{.*}}test1{{.*}}[[SLH:#[0-9]+]]
// CHECK5: @{{.*}}test3{{.*}}[[NOSLH:#[0-9]+]]
// CHECK5: attributes [[SLH]] = { {{.*}}speculative_load_hardening{{.*}} }
// CHECK5-NOT: attributes [[NOSLH]] = { {{.*}}speculative_load_hardening{{.*}} }

// CHECK6: @{{.*}}test2{{.*}}[[SLH:#[0-9]+]]
// CHECK6: @{{.*}}test4{{.*}}[[NOSLH:#[0-9]+]]
// CHECK6: attributes [[SLH]] = { {{.*}}speculative_load_hardening{{.*}} }
// CHECK6-NOT: attributes [[NOSLH]] = { {{.*}}speculative_load_hardening{{.*}} }