xref: /aosp_15_r20/external/llvm/test/Transforms/SafeStack/addr-taken.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker; Address-of local taken (j = &a)
7*9880d681SAndroid Build Coastguard Worker; Requires protector.
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Workerdefine void @foo() nounwind uwtable safestack {
10*9880d681SAndroid Build Coastguard Workerentry:
11*9880d681SAndroid Build Coastguard Worker  ; CHECK: __safestack_unsafe_stack_ptr
12*9880d681SAndroid Build Coastguard Worker  %retval = alloca i32, align 4
13*9880d681SAndroid Build Coastguard Worker  %a = alloca i32, align 4
14*9880d681SAndroid Build Coastguard Worker  %j = alloca i32*, align 8
15*9880d681SAndroid Build Coastguard Worker  store i32 0, i32* %retval
16*9880d681SAndroid Build Coastguard Worker  %0 = load i32, i32* %a, align 4
17*9880d681SAndroid Build Coastguard Worker  %add = add nsw i32 %0, 1
18*9880d681SAndroid Build Coastguard Worker  store i32 %add, i32* %a, align 4
19*9880d681SAndroid Build Coastguard Worker  store i32* %a, i32** %j, align 8
20*9880d681SAndroid Build Coastguard Worker  ret void
21*9880d681SAndroid Build Coastguard Worker}
22*9880d681SAndroid Build Coastguard Worker
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