blob: 371b703453fff57c04c49f8631a438e68dc92915 [file] [log] [blame]
; RUN: llc --force-dwarf-frame-section %s -o - | FileCheck %s
; RUN: llc --filetype=obj %s -o - | llvm-readelf --unwind - | FileCheck %s --check-prefix=UNWIND
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-none-eabi"
; int g(int, int *);
;
; int f() {
; __attribute__((aligned(32))) int a[4];
; g(4, a);
; int s = 0;
; for (int i = 0; i < 4; ++i)
; s += a[i];
; return s;
; }
define hidden i32 @_Z1fv() local_unnamed_addr {
entry:
%a = alloca [4 x i32], align 32
%call = call i32 @_Z1giPi(i32 4, ptr nonnull %a)
%0 = load i32, ptr %a, align 32
%arrayidx.1 = getelementptr inbounds [4 x i32], ptr %a, i32 0, i32 1
%1 = load i32, ptr %arrayidx.1, align 4
%add.1 = add nsw i32 %1, %0
%arrayidx.2 = getelementptr inbounds [4 x i32], ptr %a, i32 0, i32 2
%2 = load i32, ptr %arrayidx.2, align 8
%add.2 = add nsw i32 %2, %add.1
%arrayidx.3 = getelementptr inbounds [4 x i32], ptr %a, i32 0, i32 3
%3 = load i32, ptr %arrayidx.3, align 4
%add.3 = add nsw i32 %3, %add.2
ret i32 %add.3
}
; CHECK-LABEL: _Z1fv:
; CHECK: pac r12, lr, sp
; CHECK: .save {r4, r6, r7, lr}
; CHECK-NEXT: push {r4, r6, r7, lr}
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: .cfi_offset lr, -4
; CHECK-NEXT: .cfi_offset r7, -8
; CHECK-NEXT: .cfi_offset r6, -12
; CHECK-NEXT: .cfi_offset r4, -16
; CHECK-NEXT: .setfp r7, sp, #8
; CHECK-NEXT: add r7, sp, #8
; CHECK-NEXT: .cfi_def_cfa r7, 8
; CHECK-NEXT: .save {ra_auth_code}
; CHECK-NEXT: str r12, [sp, #-4]!
; CHECK-NEXT: .cfi_offset ra_auth_code, -20
; CHECK-NEXT: .pad #44
; CHECK-NEXT: sub sp, #44
; CHECK: ldr r12, [sp], #4
; CHECK-NEXT: pop.w {r4, r6, r7, lr}
; CHECK-NEXT: aut r12, lr, sp
; CHECK-NEXT: bx lr
declare dso_local i32 @_Z1giPi(i32, ptr) local_unnamed_addr
!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}
; UNWIND-LABEL: FunctionAddress: 0x0
; UNWIND: 0x97 ; vsp = r7
; UNWIND: 0x42 ; vsp = vsp - 12
; UNWIND: 0xB4 ; pop ra_auth_code
; UNWIND: 0x84 0x0D ; pop {r4, r6, r7, lr}