diff options
Diffstat (limited to 'test/CodeGen/X86/cfi_enforcing.ll')
| -rw-r--r-- | test/CodeGen/X86/cfi_enforcing.ll | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/test/CodeGen/X86/cfi_enforcing.ll b/test/CodeGen/X86/cfi_enforcing.ll new file mode 100644 index 0000000..bcad8c1 --- /dev/null +++ b/test/CodeGen/X86/cfi_enforcing.ll @@ -0,0 +1,34 @@ +; RUN: llc -mtriple=i386-unknown-linux-gnu -fcfi -cfi-enforcing <%s | FileCheck --check-prefix=X86 %s +; RUN: llc -mtriple=x86_64-unknown-linux-gnu -fcfi -cfi-enforcing <%s | FileCheck --check-prefix=X86-64 %s + +define void @indirect_fun() unnamed_addr jumptable { + ret void +} + +define i32 @m(void ()* %fun) { + call void ()* %fun() +; CHECK: subl +; X86-64: andq $8, +; X86-64: leaq __llvm_jump_instr_table_0_1({{%[a-z0-9]+}}), [[REG:%[a-z0-9]+]] +; X86-64-NOT: callq __llvm_cfi_pointer_warning +; X86-64: callq *[[REG]] +; X86: andl $8, +; X86: leal __llvm_jump_instr_table_0_1({{%[a-z0-9]+}}), [[REG:%[a-z0-9]+]] +; X86-NOT: calll __llvm_cfi_pointer_warning +; X86: calll *[[REG]] + ret i32 0 +} + +define void ()* @get_fun() { + ret void ()* @indirect_fun +} + +define i32 @main(i32 %argc, i8** %argv) { + %f = call void ()* ()* @get_fun() + %a = call i32 @m(void ()* %f) + ret i32 %a +} + +; CHECK: .align 8 +; CHECK: __llvm_jump_instr_table_0_1: +; CHECK: jmp indirect_fun@PLT |