1 files changed, 27 insertions, 0 deletions
diff --git a/llvm/test/Instrumentation/HWAddressSanitizer/kernel.ll b/llvm/test/Instrumentation/HWAddressSanitizer/kernel.ll
new file mode 100644
index 00000000000..d6919aad21c
--- /dev/null
+++ b/llvm/test/Instrumentation/HWAddressSanitizer/kernel.ll
@@ -0,0 +1,27 @@
+; Test kernel hwasan instrumentation.
+;
+; RUN: opt < %s -hwasan -hwasan-kernel=1 -S | FileCheck %s --allow-empty --check-prefixes=KERNEL
+; RUN: opt < %s -hwasan -hwasan-mapping-offset=12345678 -S | FileCheck %s  --check-prefixes=OFFSET
+
+target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
+target triple = "aarch64--linux-android"
+
+define i8 @test_load(i8* %a) sanitize_hwaddress {
+; OFFSET-LABEL: @test_load(
+; OFFSET: %[[A:[^ ]*]] = ptrtoint i8* %a to i64
+; OFFSET: %[[B:[^ ]*]] = lshr i64 %[[A]], 56
+; OFFSET: %[[PTRTAG:[^ ]*]] = trunc i64 %[[B]] to i8
+; OFFSET: %[[C:[^ ]*]] = and i64 %[[A]], 72057594037927935
+; OFFSET: %[[D:[^ ]*]] = lshr i64 %[[C]], 4
+; OFFSET: %[[D1:[^ ]*]] = add i64 %[[D]], 12345678
+; OFFSET: %[[E:[^ ]*]] = inttoptr i64 %[[D1]] to i8*
+; OFFSET: %[[MEMTAG:[^ ]*]] = load i8, i8* %[[E]]
+; OFFSET: %[[F:[^ ]*]] = icmp ne i8 %[[PTRTAG]], %[[MEMTAG]]
+; OFFSET: br i1 %[[F]],
+
+entry:
+  %b = load i8, i8* %a, align 4
+  ret i8 %b
+}
+
+; KERNEL-NOT: call void @__hwasan_init