File: indirect-branch-tracking-cm-lager.ll

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llvm-toolchain-17 1%3A17.0.6-22
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; RUN: llc -mtriple=x86_64-unknown-unknown -code-model=large < %s | FileCheck %s

; In large code model indirect branches are needed when branching to addresses
; whose offset from the current instruction pointer is unknown.
;CHECK-COUNT-3: endbr

@a = dso_local local_unnamed_addr global i32 1, align 4

; Function Attrs: nofree noinline norecurse nounwind uwtable writeonly
define dso_local void @ext() local_unnamed_addr #0 {
entry:
  store i32 0, ptr @a, align 4
  ret void
}

; Function Attrs: nofree norecurse nounwind uwtable
define dso_local i32 @main() local_unnamed_addr #1 {
entry:
  tail call fastcc void @foo()
  %0 = load i32, ptr @a, align 4
  ret i32 %0
}

; Function Attrs: nofree noinline norecurse nounwind uwtable writeonly
define internal fastcc void @foo() unnamed_addr #0 {
entry:
  tail call void @ext()
  ret void
}

!llvm.module.flags = !{!0, !1, !2, !3}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"cf-protection-return", i32 1}
!2 = !{i32 8, !"cf-protection-branch", i32 1}
!3 = !{i32 1, !"Code Model", i32 4}