xref: /llvm-project/clang/test/CodeGen/cfi-icall-canonical-jump-tables.c (revision ed509fe296375eb7c01d3d9aeec15cc784695210)
1 // RUN: %clang_cc1 -triple x86_64-unknown-linux -fsanitize=cfi-icall -fsanitize-cfi-cross-dso -emit-llvm -o - %s | FileCheck --check-prefixes=CHECK,NOCANON %s
2 // RUN: %clang_cc1 -triple x86_64-unknown-linux -fsanitize=cfi-icall -fsanitize-cfi-cross-dso -fsanitize-cfi-canonical-jump-tables -emit-llvm -o - %s | FileCheck --check-prefixes=CHECK,CANON %s
3 
4 void ext(void);
5 
6 // CHECK: define{{.*}} void @f({{.*}} [[ATTR1:#[0-9]+]]
f(void)7 void f(void) {
8   ext();
9 }
10 
11 // NOCANON: declare !type {{.*}} @ext()
12 // CANON: declare void @ext()
13 
14 // CHECK: define{{.*}} void @g({{.*}} [[ATTR2:#[0-9]+]]
g(void)15 __attribute__((cfi_canonical_jump_table)) void g(void) {}
16 
17 // CHECK: [[ATTR1]] = {
18 // CHECK-NOT: "cfi-canonical-jump-table"
19 // CHECK: }
20 
21 // CHECK: [[ATTR2]] = { {{.*}} "cfi-canonical-jump-table" {{.*}} }
22 
23 // NOCANON: !{i32 4, !"CFI Canonical Jump Tables", i32 0}
24 // CANON: !{i32 4, !"CFI Canonical Jump Tables", i32 1}
25