xref: /llvm-project/llvm/test/CodeGen/X86/indirect-branch-tracking-cm-lager.ll (revision ad94b5c54f82e7bddc4253ccbf0bdaa9442411cf)
1; RUN: llc -mtriple=x86_64-unknown-unknown -code-model=large < %s | FileCheck %s
2
3; In large code model indirect branches are needed when branching to addresses
4; whose offset from the current instruction pointer is unknown.
5;CHECK-COUNT-3: endbr
6
7@a = dso_local local_unnamed_addr global i32 1, align 4
8
9; Function Attrs: nofree noinline norecurse nounwind uwtable writeonly
10define dso_local void @ext() local_unnamed_addr #0 {
11entry:
12  store i32 0, ptr @a, align 4
13  ret void
14}
15
16; Function Attrs: nofree norecurse nounwind uwtable
17define dso_local i32 @main() local_unnamed_addr #1 {
18entry:
19  tail call fastcc void @foo()
20  %0 = load i32, ptr @a, align 4
21  ret i32 %0
22}
23
24; Function Attrs: nofree noinline norecurse nounwind uwtable writeonly
25define internal fastcc void @foo() unnamed_addr #0 {
26entry:
27  tail call void @ext()
28  ret void
29}
30
31!llvm.module.flags = !{!0, !1, !2, !3}
32
33!0 = !{i32 1, !"wchar_size", i32 4}
34!1 = !{i32 8, !"cf-protection-return", i32 1}
35!2 = !{i32 8, !"cf-protection-branch", i32 1}
36!3 = !{i32 1, !"Code Model", i32 4}
37