| ; RUN: opt -S -passes=hwasan -hwasan-use-stack-safety=0 %s | FileCheck --check-prefixes=CHECK,CHECK-PREFIX %s |
| ; RUN: opt -S -passes=hwasan -hwasan-kernel -hwasan-use-stack-safety=0 %s | FileCheck --check-prefixes=CHECK,CHECK-NOPREFIX %s |
| ; RUN: opt -S -passes=hwasan -hwasan-kernel -hwasan-kernel-mem-intrinsic-prefix -hwasan-use-stack-safety=0 %s | FileCheck --check-prefixes=CHECK,CHECK-PREFIX %s |
| ; RUN: opt -S -passes=hwasan -hwasan-use-stack-safety=0 -hwasan-match-all-tag=0 %s | FileCheck --check-prefixes=CHECK,CHECK-MATCH-ALL-TAG %s |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| ; Function Attrs: noinline nounwind optnone uwtable |
| define dso_local i32 @main() sanitize_hwaddress { |
| ; CHECK-LABEL: main |
| entry: |
| %retval = alloca i32, align 4 |
| %Q = alloca [10 x i8], align 1 |
| %P = alloca [10 x i8], align 1 |
| store i32 0, ptr %retval, align 4 |
| |
| call void @llvm.memset.p0.i64(ptr align 1 %Q, i8 0, i64 10, i1 false) |
| ; CHECK-PREFIX: call ptr @__hwasan_memset( |
| ; CHECK-NOPREFIX: call ptr @memset( |
| ; CHECK-MATCH-ALL-TAG: call ptr @__hwasan_memset_match_all(ptr %Q.hwasan, i32 0, i64 10, i8 0) |
| |
| %add.ptr = getelementptr inbounds i8, ptr %Q, i64 5 |
| |
| call void @llvm.memmove.p0.p0.i64(ptr align 1 %Q, ptr align 1 %add.ptr, i64 5, i1 false) |
| ; CHECK-PREFIX: call ptr @__hwasan_memmove( |
| ; CHECK-NOPREFIX: call ptr @memmove( |
| ; CHECK-MATCH-ALL-TAG: call ptr @__hwasan_memmove_match_all(ptr %Q.hwasan, ptr %add.ptr, i64 5, i8 0) |
| |
| |
| call void @llvm.memcpy.p0.p0.i64(ptr align 1 %P, ptr align 1 %Q, i64 10, i1 false) |
| ; CHECK-PREFIX: call ptr @__hwasan_memcpy( |
| ; CHECK-NOPREFIX: call ptr @memcpy( |
| ; CHECK-MATCH-ALL-TAG: call ptr @__hwasan_memcpy_match_all(ptr %P.hwasan, ptr %Q.hwasan, i64 10, i8 0) |
| ret i32 0 |
| } |
| |
| ; Function Attrs: argmemonly nounwind |
| declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1) #1 |
| |
| ; Function Attrs: argmemonly nounwind |
| declare void @llvm.memmove.p0.p0.i64(ptr nocapture, ptr nocapture readonly, i64, i1) #1 |
| |
| ; Function Attrs: argmemonly nounwind |
| declare void @llvm.memcpy.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1) #1 |
| |
| define void @memintr_test_nosanitize(ptr %a, ptr %b) nounwind uwtable { |
| entry: |
| tail call void @llvm.memset.p0.i64(ptr %a, i8 0, i64 100, i1 false) |
| tail call void @llvm.memmove.p0.p0.i64(ptr %a, ptr %b, i64 100, i1 false) |
| tail call void @llvm.memcpy.p0.p0.i64(ptr %a, ptr %b, i64 100, i1 false) |
| ret void |
| } |
| ; CHECK-LABEL: memintr_test_nosanitize |
| ; CHECK: @llvm.memset |
| ; CHECK: @llvm.memmove |
| ; CHECK: @llvm.memcpy |
| ; CHECK: ret void |
