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| author | Stephen Hines <srhines@google.com> | 2014-12-01 14:51:49 -0800 |
|---|---|---|
| committer | Stephen Hines <srhines@google.com> | 2014-12-02 16:08:10 -0800 |
| commit | 37ed9c199ca639565f6ce88105f9e39e898d82d0 (patch) | |
| tree | 8fb36d3910e3ee4c4e1b7422f4f017108efc52f5 /test/CodeGen/X86/cfi_enforcing.ll | |
| parent | d2327b22152ced7bc46dc629fc908959e8a52d03 (diff) | |
| download | external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.zip external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.tar.gz external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.tar.bz2 | |
Update aosp/master LLVM for rebase to r222494.
Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
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 |