; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
; RUN: llc -mtriple=aarch64-apple-darwin < %s -o - | FileCheck %s
@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
; Check we use the GOT to reference ___stack_chk_guard on Darwin
define void @test(ptr %a) #0 {
; CHECK-LABEL: test:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: sub sp, sp, #80
; CHECK-NEXT: stp x20, x19, [sp, #48] ; 16-byte Folded Spill
; CHECK-NEXT: stp x29, x30, [sp, #64] ; 16-byte Folded Spill
; CHECK-NEXT: .cfi_def_cfa_offset 80
; CHECK-NEXT: .cfi_offset w30, -8
; CHECK-NEXT: .cfi_offset w29, -16
; CHECK-NEXT: .cfi_offset w19, -24
; CHECK-NEXT: .cfi_offset w20, -32
; CHECK-NEXT: Lloh0:
; CHECK-NEXT: adrp x8, ___stack_chk_guard@GOTPAGE
; CHECK-NEXT: mov x1, x0
; CHECK-NEXT: add x19, sp, #16
; CHECK-NEXT: Lloh1:
; CHECK-NEXT: ldr x8, [x8, ___stack_chk_guard@GOTPAGEOFF]
; CHECK-NEXT: Lloh2:
; CHECK-NEXT: ldr x8, [x8]
; CHECK-NEXT: str x8, [sp, #40]
; CHECK-NEXT: str x0, [sp, #8]
; CHECK-NEXT: add x0, sp, #16
; CHECK-NEXT: bl _strcpy
; CHECK-NEXT: Lloh3:
; CHECK-NEXT: adrp x0, l_.str@PAGE
; CHECK-NEXT: Lloh4:
; CHECK-NEXT: add x0, x0, l_.str@PAGEOFF
; CHECK-NEXT: str x19, [sp]
; CHECK-NEXT: bl _printf
; CHECK-NEXT: Lloh5:
; CHECK-NEXT: adrp x8, ___stack_chk_guard@GOTPAGE
; CHECK-NEXT: Lloh6:
; CHECK-NEXT: ldr x8, [x8, ___stack_chk_guard@GOTPAGEOFF]
; CHECK-NEXT: ldr x9, [sp, #40]
; CHECK-NEXT: Lloh7:
; CHECK-NEXT: ldr x8, [x8]
; CHECK-NEXT: cmp x8, x9
; CHECK-NEXT: b.ne LBB0_2
; CHECK-NEXT: ; %bb.1: ; %entry
; CHECK-NEXT: ldp x29, x30, [sp, #64] ; 16-byte Folded Reload
; CHECK-NEXT: ldp x20, x19, [sp, #48] ; 16-byte Folded Reload
; CHECK-NEXT: add sp, sp, #80
; CHECK-NEXT: ret
; CHECK-NEXT: LBB0_2: ; %entry
; CHECK-NEXT: bl ___stack_chk_fail
; CHECK-NEXT: .loh AdrpLdrGotLdr Lloh5, Lloh6, Lloh7
; CHECK-NEXT: .loh AdrpAdd Lloh3, Lloh4
; CHECK-NEXT: .loh AdrpLdrGotLdr Lloh0, Lloh1, Lloh2
entry:
%a.addr = alloca ptr, align 8
%buf = alloca [16 x i8], align 16
store ptr %a, ptr %a.addr, align 8
%0 = load ptr, ptr %a.addr, align 8
%call = call ptr @strcpy(ptr %buf, ptr %0)
%call2 = call i32 (ptr, ...) @printf(ptr @.str, ptr %buf)
ret void
}
declare ptr @strcpy(ptr, ptr)
declare i32 @printf(ptr, ...)
attributes #0 = { ssp }