1 ; RUN: llc -O3 %s -o - | FileCheck %s 2 target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" 3 target 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 14 define i32 @b() nounwind sspstrong { 15 entry: 16 %z = alloca [10 x i32], align 4 17 %arraydecay = getelementptr inbounds [10 x i32], [10 x i32]* %z, i64 0, i64 0 18 %call = call i32 @a(i32* getelementptr inbounds ([8 x i32], [8 x i32]* @__stack_chk_guard, i64 0, i64 0), i32* nonnull @x, i32* nonnull %arraydecay) #3 19 ret i32 %call 20 } 21 declare i32 @a(i32*, i32*, i32*) 22
