xref: /aosp_15_r20/external/llvm/test/Transforms/SafeStack/no-attr.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; no safestack attribute
7*9880d681SAndroid Build Coastguard Worker; Requires no protector.
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: __safestack_unsafe_stack_ptr
10*9880d681SAndroid Build Coastguard Worker
11*9880d681SAndroid Build Coastguard Worker; CHECK: @foo
12*9880d681SAndroid Build Coastguard Workerdefine void @foo(i8* %a) nounwind uwtable {
13*9880d681SAndroid Build Coastguard Workerentry:
14*9880d681SAndroid Build Coastguard Worker  ; CHECK-NOT: __safestack_unsafe_stack_ptr
15*9880d681SAndroid Build Coastguard Worker  %a.addr = alloca i8*, align 8
16*9880d681SAndroid Build Coastguard Worker  %buf = alloca [16 x i8], align 16
17*9880d681SAndroid Build Coastguard Worker  store i8* %a, i8** %a.addr, align 8
18*9880d681SAndroid Build Coastguard Worker  %arraydecay = getelementptr inbounds [16 x i8], [16 x i8]* %buf, i32 0, i32 0
19*9880d681SAndroid Build Coastguard Worker  %0 = load i8*, i8** %a.addr, align 8
20*9880d681SAndroid Build Coastguard Worker  %call = call i8* @strcpy(i8* %arraydecay, i8* %0)
21*9880d681SAndroid Build Coastguard Worker  %arraydecay1 = getelementptr inbounds [16 x i8], [16 x i8]* %buf, i32 0, i32 0
22*9880d681SAndroid Build Coastguard Worker  %call2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay1)
23*9880d681SAndroid Build Coastguard Worker  ret void
24*9880d681SAndroid Build Coastguard Worker}
25*9880d681SAndroid Build Coastguard Worker
26*9880d681SAndroid Build Coastguard Workerdeclare i8* @strcpy(i8*, i8*)
27*9880d681SAndroid Build Coastguard Workerdeclare i32 @printf(i8*, ...)
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