xref: /llvm-project/llvm/test/Transforms/SafeStack/X86/alloca-addrspace-wrong-addrspace.ll (revision ea859005b5ddb14548b9dc5b94d54d78754f5918)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
2; RUN: opt -S -passes=safe-stack -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s --check-prefix=TLS
3
4target datalayout = "A5"
5
6; Use has wrong address space for the alloca, addrspacecast is inserted.
7define void @correct_alloca_addrspace() nounwind uwtable safestack {
8; TLS-LABEL: define void @correct_alloca_addrspace(
9; TLS-SAME: ) #[[ATTR0:[0-9]+]] !annotation [[META0:![0-9]+]] {
10; TLS-NEXT:  [[ENTRY:.*:]]
11; TLS-NEXT:    [[UNSAFE_STACK_PTR:%.*]] = load ptr addrspace(5), ptr @__safestack_unsafe_stack_ptr, align 8
12; TLS-NEXT:    [[UNSAFE_STACK_STATIC_TOP:%.*]] = getelementptr i8, ptr addrspace(5) [[UNSAFE_STACK_PTR]], i32 -16
13; TLS-NEXT:    store ptr addrspace(5) [[UNSAFE_STACK_STATIC_TOP]], ptr @__safestack_unsafe_stack_ptr, align 8
14; TLS-NEXT:    [[TMP0:%.*]] = getelementptr i8, ptr addrspace(5) [[UNSAFE_STACK_PTR]], i32 -8
15; TLS-NEXT:    [[A_UNSAFE:%.*]] = addrspacecast ptr addrspace(5) [[TMP0]] to ptr
16; TLS-NEXT:    call void @Capture(ptr [[A_UNSAFE]])
17; TLS-NEXT:    store ptr addrspace(5) [[UNSAFE_STACK_PTR]], ptr @__safestack_unsafe_stack_ptr, align 8
18; TLS-NEXT:    ret void
19;
20entry:
21  %a = alloca i8, align 8
22  call void @Capture(ptr %a)
23  ret void
24}
25
26declare void @Capture(ptr)
27;.
28; TLS: [[META0]] = !{!"unsafe-stack-size", i32 16}
29;.
30