xref: /llvm-project/llvm/test/CodeGen/AArch64/stackguard-internal.ll (revision 5ddce70ef0e5a641d7fea95e31fc5e2439cb98cb)
1; RUN: llc -O3 %s -o - | FileCheck %s
2target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
3target triple = "aarch64-linux-gnu"
4
5; Make sure we correctly lower stack guards even if __stack_chk_guard
6; is an alias.  (The alias is created by GlobalMerge.)
7; CHECK: adrp {{.*}}, __stack_chk_guard
8; CHECK: ldr {{.*}}, [{{.*}}, :lo12:__stack_chk_guard]
9; CHECK: .set __stack_chk_guard, .L_MergedGlobals+4
10
11@__stack_chk_guard = internal global [8 x i32] zeroinitializer, align 4
12@x = internal global i32 0, align 4
13
14define i32 @b() nounwind sspstrong {
15entry:
16  %z = alloca [10 x i32], align 4
17  %call = call i32 @a(ptr @__stack_chk_guard, ptr nonnull @x, ptr nonnull %z) #3
18  ret i32 %call
19}
20declare i32 @a(ptr, ptr, ptr)
21