1
; RUN: llc < %s -mtriple=arm64-apple-ios -relocation-model=pic | FileCheck %s
3
@__stack_chk_guard = external global i64*
7
; CHECK: adrp [[R0:x[0-9]+]], ___stack_chk_guard@GOTPAGE
8
; CHECK: ldr [[R1:x[0-9]+]], {{\[}}[[R0]], ___stack_chk_guard@GOTPAGEOFF{{\]}}
9
; CHECK: ldr [[R2:x[0-9]+]], {{\[}}[[R1]]{{\]}}
10
; CHECK: stur [[R2]], {{\[}}x29, [[SLOT0:[0-9#\-]+]]{{\]}}
11
; CHECK: ldur [[R3:x[0-9]+]], {{\[}}x29, [[SLOT0]]{{\]}}
12
; CHECK: sub [[R4:x[0-9]+]], [[R2]], [[R3]]
13
; CHECK: cbnz [[R4]], LBB
15
define i32 @test_stack_guard_remat2() {
17
%StackGuardSlot = alloca i8*
18
%StackGuard = load i8*, i8** bitcast (i64** @__stack_chk_guard to i8**)
19
call void @llvm.stackprotector(i8* %StackGuard, i8** %StackGuardSlot)
20
%container = alloca [32 x i8], align 1
21
call void @llvm.stackprotectorcheck(i8** bitcast (i64** @__stack_chk_guard to i8**))
25
declare void @llvm.stackprotector(i8*, i8**)
26
declare void @llvm.stackprotectorcheck(i8**)