xref: /aosp_15_r20/external/llvm/test/Transforms/SafeStack/escape-gep-ptrtoint.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%struct.pair = type { i32, i32 }
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Worker; Addr-of struct element, GEP followed by ptrtoint.
9*9880d681SAndroid Build Coastguard Worker;  safestack attribute
10*9880d681SAndroid Build Coastguard Worker; Requires protector.
11*9880d681SAndroid Build Coastguard Workerdefine void @foo() nounwind uwtable safestack {
12*9880d681SAndroid Build Coastguard Workerentry:
13*9880d681SAndroid Build Coastguard Worker  ; CHECK: __safestack_unsafe_stack_ptr
14*9880d681SAndroid Build Coastguard Worker  %c = alloca %struct.pair, align 4
15*9880d681SAndroid Build Coastguard Worker  %b = alloca i32*, align 8
16*9880d681SAndroid Build Coastguard Worker  %y = getelementptr inbounds %struct.pair, %struct.pair* %c, i32 0, i32 1
17*9880d681SAndroid Build Coastguard Worker  %0 = ptrtoint i32* %y to i64
18*9880d681SAndroid Build Coastguard Worker  %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i64 %0)
19*9880d681SAndroid Build Coastguard Worker  ret void
20*9880d681SAndroid Build Coastguard Worker}
21*9880d681SAndroid Build Coastguard Worker
22*9880d681SAndroid Build Coastguard Workerdeclare i32 @printf(i8*, ...)
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