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1;; RUN: llc --mattr=+v8.3a %s -o - | FileCheck %s2target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"3target triple = "aarch64-unknown-linux"4 5@__llvm_gcov_ctr = internal global [1 x i64] zeroinitializer6@0 = private unnamed_addr constant [7 x i8] c"m.gcda\00", align 17@llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 0, ptr @__llvm_gcov_init, ptr null }]8 9define dso_local i32 @f() local_unnamed_addr #0 {10entry:11 ret i32 012}13;; CHECK-LABEL: f:14;; CHECK: pacibsp15 16declare void @llvm_gcda_start_file(ptr, i32, i32) local_unnamed_addr17 18declare void @llvm_gcda_emit_function(i32, i32, i32) local_unnamed_addr19 20declare void @llvm_gcda_emit_arcs(i32, ptr) local_unnamed_addr21 22declare void @llvm_gcda_summary_info() local_unnamed_addr23 24declare void @llvm_gcda_end_file() local_unnamed_addr25 26define internal void @__llvm_gcov_writeout() unnamed_addr #1 {27entry:28 tail call void @llvm_gcda_start_file(ptr @0, i32 875575338, i32 0)29 tail call void @llvm_gcda_emit_function(i32 0, i32 0, i32 0)30 tail call void @llvm_gcda_emit_arcs(i32 1, ptr @__llvm_gcov_ctr)31 tail call void @llvm_gcda_summary_info()32 tail call void @llvm_gcda_end_file()33 ret void34}35;; CHECK-LABEL: __llvm_gcov_writeout:36;; CHECK: .cfi_b_key_frame37;; CHECK-NEXT: pacibsp38;; CHECK-NEXT: .cfi_negate_ra_state39 40define internal void @__llvm_gcov_reset() unnamed_addr #2 {41entry:42 store i64 0, ptr @__llvm_gcov_ctr, align 843 ret void44}45;; CHECK-LABEL: __llvm_gcov_reset:46;; CHECK: pacibsp47 48declare void @llvm_gcov_init(ptr, ptr) local_unnamed_addr49 50define internal void @__llvm_gcov_init() unnamed_addr #1 {51entry:52 tail call void @llvm_gcov_init(ptr nonnull @__llvm_gcov_writeout, ptr nonnull @__llvm_gcov_reset)53 ret void54}55;; CHECK-LABEL: __llvm_gcov_init:56;; CHECK: .cfi_b_key_frame57;; CHECK-NEXT: pacibsp58;; CHECK-NEXT: .cfi_negate_ra_state59;; CHECK-NOT: .cfi_60;; CHECK: .cfi_endproc61 62attributes #0 = { norecurse nounwind readnone "sign-return-address"="all" "sign-return-address-key"="b_key" }63attributes #1 = { noinline "sign-return-address"="all" "sign-return-address-key"="b_key" }64attributes #2 = { nofree noinline norecurse nounwind writeonly "sign-return-address"="all" "sign-return-address-key"="b_key" }65 66!llvm.module.flags = !{!0, !1}67 68!0 = !{i32 2, !"Debug Info Version", i32 3}69!1 = !{i32 1, !"wchar_size", i32 4}70