| ; RUN: opt -S -hwasan -hwasan-allow-ifunc < %s | FileCheck %s |
| |
| target triple = "aarch64--linux-android" |
| |
| declare i32 @bar([16 x i32]* %p) |
| |
| define void @alloca() sanitize_hwaddress "hwasan-abi"="interceptor" { |
| ; CHECK: alloca [16 x i32] |
| ; CHECK: [[A:%[^ ]*]] = call i8* @llvm.thread.pointer() |
| ; CHECK: [[B:%[^ ]*]] = getelementptr i8, i8* [[A]], i32 48 |
| ; CHECK: [[C:%[^ ]*]] = bitcast i8* [[B]] to i64* |
| ; CHECK: [[LOAD:%[^ ]*]] = load i64, i64* [[C]] |
| ; CHECK: [[ICMP:%[^ ]*]] = icmp eq i64 [[LOAD]], 0 |
| ; CHECK: br i1 [[ICMP]], label %[[INIT:[^,]*]], label %[[CONT:[^,]*]], !prof [[PROF:![0-9]+]] |
| |
| ; CHECK: [[INIT]]: |
| ; CHECK: call void @__hwasan_thread_enter() |
| ; CHECK: [[RELOAD:%[^ ]*]] = load i64, i64* [[C]] |
| ; CHECK: br label %[[CONT]] |
| |
| ; CHECK: [[CONT]]: |
| ; CHECK: phi i64 [ [[LOAD]], %0 ], [ [[RELOAD]], %[[INIT]] ] |
| ; CHECK: alloca i8 |
| |
| %p = alloca [16 x i32] |
| %size = call i32 @bar([16 x i32]* %p) |
| %q = alloca i8, i32 %size |
| ret void |
| } |
| |
| define i32 @load(i32* %p) sanitize_hwaddress "hwasan-abi"="interceptor" { |
| ; CHECK: [[SHADOW:%[^ ]*]] = call i8* asm "", "=r,0"([0 x i8]* @__hwasan_shadow) |
| ; CHECK-NOT: icmp |
| ; CHECK: call void @llvm.hwasan.check.memaccess(i8* [[SHADOW]], |
| %v = load i32, i32* %p |
| ret i32 %v |
| } |
| |
| ; CHECK: [[PROF]] = !{!"branch_weights", i32 1, i32 100000} |
