| ; RUN: llc %s -o - | FileCheck %s --check-prefix=CHECK1 |
| ; RUN: llc %s -o - | FileCheck %s --check-prefix=CHECK2 |
| target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64" |
| target triple = "thumbv8.1m.main-arm-unknown-eabi" |
| |
| @p = hidden local_unnamed_addr global i32 (i32, i32, i32, i32)* null, align 4 |
| |
| define hidden i32 @f(i32 %a, i32 %b, i32 %c, i32 %d) local_unnamed_addr #0 { |
| entry: |
| %call = tail call i32 @g(i32 %a) #0 |
| %0 = load i32 (i32, i32, i32, i32)*, i32 (i32, i32, i32, i32)** @p, align 4 |
| %call1 = tail call i32 %0(i32 %call, i32 %b, i32 %c, i32 %d) #0 |
| ret i32 %call1 |
| } |
| |
| ; CHECK1-LABEL: f |
| ; ... |
| ; CHECK1: aut r12, lr, sp |
| ; CHECK1-NOT: bx r12 |
| |
| ; CHECK2-LABEL: f |
| ; ... |
| ; CHECK2: blx r4 |
| ; CHECK2-NEXT: ldr r12, [sp], #4 |
| ; CHECK2-NEXT: pop.w {r4, r5, r6, r7, lr} |
| ; CHECK2-NEXT: aut r12, lr, sp |
| ; CHECK2-NEXT: bx lr |
| |
| declare dso_local i32 @g(i32) local_unnamed_addr #0 |
| |
| attributes #0 = { nounwind } |
| |
| !llvm.module.flags = !{!0, !1, !2} |
| |
| !0 = !{i32 8, !"branch-target-enforcement", i32 0} |
| !1 = !{i32 8, !"sign-return-address", i32 1} |
| !2 = !{i32 8, !"sign-return-address-all", i32 0} |
