1 files changed, 44 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AArch64/bti-ehpad.ll b/llvm/test/CodeGen/AArch64/bti-ehpad.ll
new file mode 100644
index 000000000000..674421adaf51
--- /dev/null
+++ b/llvm/test/CodeGen/AArch64/bti-ehpad.ll
@@ -0,0 +1,44 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -mtriple=aarch64-unknown-linux-gnu %s -o - | FileCheck %s
+
+; Purpose: With BTI enabled, the landing pad (%lpad) begins with an EH_LABEL and the
+; first *executed* instruction is `bti j`. (BTI is inserted *after* the EH label and meta.)
+
+declare i32 @__gxx_personality_v0(...)
+declare void @may_throw()
+
+define void @test() #0 personality ptr @__gxx_personality_v0 {
+; CHECK-LABEL: test:
+; CHECK:       .Lfunc_begin0:
+; CHECK-NEXT:    .cfi_startproc
+; CHECK-NEXT:    .cfi_personality 156, DW.ref.__gxx_personality_v0
+; CHECK-NEXT:    .cfi_lsda 28, .Lexception0
+; CHECK-NEXT:  // %bb.0: // %entry
+; CHECK-NEXT:    bti c
+; CHECK-NEXT:    str x30, [sp, #-16]! // 8-byte Folded Spill
+; CHECK-NEXT:    .cfi_def_cfa_offset 16
+; CHECK-NEXT:    .cfi_offset w30, -16
+; CHECK-NEXT:  .Ltmp0: // EH_LABEL
+; CHECK-NEXT:    bl may_throw
+; CHECK-NEXT:  .Ltmp1: // EH_LABEL
+; CHECK-NEXT:  // %bb.1: // %common.ret
+; CHECK-NEXT:    ldr x30, [sp], #16 // 8-byte Folded Reload
+; CHECK-NEXT:    ret
+; CHECK-NEXT:  .LBB0_2: // %lpad
+; CHECK-NEXT:  .Ltmp2: // EH_LABEL
+; CHECK-NEXT:    bti j
+; CHECK-NEXT:    ldr x30, [sp], #16 // 8-byte Folded Reload
+; CHECK-NEXT:    ret
+entry:
+  invoke void @may_throw()
+          to label %ret unwind label %lpad
+
+lpad:
+  landingpad { ptr, i32 } cleanup
+  ret void
+
+ret:
+  ret void
+}
+
+attributes #0 = { noinline "branch-target-enforcement"="true" "target-features"="+bti" }