| ; RUN: llc < %s -mtriple=aarch64 -mattr=+mte | FileCheck %s |
| |
| declare void @use32(ptr) |
| |
| define void @WithUnwind() sanitize_memtag { |
| entry: |
| ; CHECK-LABEL: WithUnwind: |
| ; CHECK: .cfi_mte_tagged_frame |
| ; CHECK: stg |
| %x = alloca i32, align 4 |
| call void @use32(i32* %x) |
| ret void |
| } |
| |
| define void @NoUnwind() sanitize_memtag nounwind { |
| entry: |
| ; CHECK-LABEL: NoUnwind: |
| ; CHECK-NOT: .cfi_mte_tagged_frame |
| ; CHECK: stg |
| %x = alloca i32, align 4 |
| call void @use32(i32* %x) |
| ret void |
| } |
| |
| define void @NoUnwindUwTable() sanitize_memtag nounwind uwtable { |
| entry: |
| ; CHECK-LABEL: NoUnwindUwTable: |
| ; CHECK: .cfi_mte_tagged_frame |
| ; CHECK: stg |
| %x = alloca i32, align 4 |
| call void @use32(i32* %x) |
| ret void |
| } |
| |
| define void @NoMemtag() { |
| entry: |
| ; CHECK-LABEL: NoMemtag: |
| ; CHECK-NOT: .cfi_mte_tagged_frame |
| ; CHECK-NOT: stg |
| %x = alloca i32, align 4 |
| call void @use32(i32* %x) |
| ret void |
| } |