| // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -fsanitize=kcfi -fsanitize-cfi-icall-experimental-normalize-integers -o - %s | FileCheck %s |
| // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -fsanitize=kcfi -fsanitize-cfi-icall-experimental-normalize-integers -x c++ -o - %s | FileCheck %s |
| #if !__has_feature(kcfi) |
| #error Missing kcfi? |
| #endif |
| |
| // Test that normalized type metadata for functions are emitted for cross-language KCFI 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: {{.*}}!kcfi_type ![[TYPE1:[0-9]+]] |
| // CHECK: call void %0(i32 noundef %1){{.*}}[ "kcfi"(i32 1162514891) ] |
| fn(arg); |
| } |
| |
| void bar(void (*fn)(int, int), int arg1, int arg2) { |
| // CHECK-LABEL: define{{.*}}bar |
| // CHECK-SAME: {{.*}}!kcfi_type ![[TYPE2:[0-9]+]] |
| // CHECK: call void %0(i32 noundef %1, i32 noundef %2){{.*}}[ "kcfi"(i32 448046469) ] |
| fn(arg1, arg2); |
| } |
| |
| void baz(void (*fn)(int, int, int), int arg1, int arg2, int arg3) { |
| // CHECK-LABEL: define{{.*}}baz |
| // CHECK-SAME: {{.*}}!kcfi_type ![[TYPE3:[0-9]+]] |
| // CHECK: call void %0(i32 noundef %1, i32 noundef %2, i32 noundef %3){{.*}}[ "kcfi"(i32 -2049681433) ] |
| fn(arg1, arg2, arg3); |
| } |
| |
| // CHECK: ![[TYPE1]] = !{i32 -1143117868} |
| // CHECK: ![[TYPE2]] = !{i32 -460921415} |
| // CHECK: ![[TYPE3]] = !{i32 -333839615} |
