1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 2; RUN: llc --force-dwarf-frame-section %s -o - | FileCheck %s 3; RUN: llc --filetype=obj %s -o - | llvm-readelf --unwind - | FileCheck %s --check-prefix=UNWIND 4target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64" 5target triple = "thumbv8.1m.main-arm-none-eabi" 6 7; int g(int, int *); 8; 9; int f() { 10; __attribute__((aligned(32))) int a[4]; 11; g(4, a); 12; int s = 0; 13; for (int i = 0; i < 4; ++i) 14; s += a[i]; 15; return s; 16; } 17 18define hidden i32 @_Z1fv() local_unnamed_addr "sign-return-address"="non-leaf" { 19; CHECK-LABEL: _Z1fv: 20; CHECK: .cfi_sections .debug_frame 21; CHECK-NEXT: .cfi_startproc 22; CHECK-NEXT: @ %bb.0: @ %entry 23; CHECK-NEXT: pac r12, lr, sp 24; CHECK-NEXT: .save {r4, r6, r7, ra_auth_code, lr} 25; CHECK-NEXT: push.w {r4, r6, r7, r12, lr} 26; CHECK-NEXT: .cfi_def_cfa_offset 20 27; CHECK-NEXT: .cfi_offset lr, -4 28; CHECK-NEXT: .cfi_offset ra_auth_code, -8 29; CHECK-NEXT: .cfi_offset r7, -12 30; CHECK-NEXT: .cfi_offset r6, -16 31; CHECK-NEXT: .cfi_offset r4, -20 32; CHECK-NEXT: .setfp r7, sp, #8 33; CHECK-NEXT: add r7, sp, #8 34; CHECK-NEXT: .cfi_def_cfa r7, 12 35; CHECK-NEXT: .pad #44 36; CHECK-NEXT: sub sp, #44 37; CHECK-NEXT: mov r4, sp 38; CHECK-NEXT: bfc r4, #0, #5 39; CHECK-NEXT: mov sp, r4 40; CHECK-NEXT: mov r1, sp 41; CHECK-NEXT: movs r0, #4 42; CHECK-NEXT: bl _Z1giPi 43; CHECK-NEXT: ldm.w sp, {r0, r1, r2, r3} 44; CHECK-NEXT: sub.w r4, r7, #8 45; CHECK-NEXT: add r0, r1 46; CHECK-NEXT: add r0, r2 47; CHECK-NEXT: add r0, r3 48; CHECK-NEXT: mov sp, r4 49; CHECK-NEXT: pop.w {r4, r6, r7, r12, lr} 50; CHECK-NEXT: aut r12, lr, sp 51; CHECK-NEXT: bx lr 52entry: 53 %a = alloca [4 x i32], align 32 54 %call = call i32 @_Z1giPi(i32 4, ptr nonnull %a) 55 %0 = load i32, ptr %a, align 32 56 %arrayidx.1 = getelementptr inbounds [4 x i32], ptr %a, i32 0, i32 1 57 %1 = load i32, ptr %arrayidx.1, align 4 58 %add.1 = add nsw i32 %1, %0 59 %arrayidx.2 = getelementptr inbounds [4 x i32], ptr %a, i32 0, i32 2 60 %2 = load i32, ptr %arrayidx.2, align 8 61 %add.2 = add nsw i32 %2, %add.1 62 %arrayidx.3 = getelementptr inbounds [4 x i32], ptr %a, i32 0, i32 3 63 %3 = load i32, ptr %arrayidx.3, align 4 64 %add.3 = add nsw i32 %3, %add.2 65 ret i32 %add.3 66} 67 68declare dso_local i32 @_Z1giPi(i32, ptr) local_unnamed_addr 69 70!llvm.module.flags = !{!0, !1, !2} 71 72!0 = !{i32 8, !"branch-target-enforcement", i32 0} 73!1 = !{i32 8, !"sign-return-address", i32 1} 74!2 = !{i32 8, !"sign-return-address-all", i32 0} 75 76; UNWIND-LABEL: FunctionAddress: 0x0 77; UNWIND: 0x97 ; vsp = r7 78; UNWIND-NEXT: 0x41 ; vsp = vsp - 8 79; UNWIND-NEXT: 0x80 0x0D ; pop {r4, r6, r7} 80; UNWIND-NEXT: 0xB4 ; pop ra_auth_code 81; UNWIND-NEXT: 0x84 0x00 ; pop {lr} 82