1 files changed, 48 insertions, 0 deletions
diff --git a/test/Instrumentation/AddressSanitizer/instrument-stack.ll b/test/Instrumentation/AddressSanitizer/instrument-stack.ll
new file mode 100644
index 0000000..52978d9
--- /dev/null
+++ b/test/Instrumentation/AddressSanitizer/instrument-stack.ll
@@ -0,0 +1,48 @@
+; This test checks that we are not instrumenting direct inbound stack accesses.
+; RUN: opt < %s -asan -asan-module -asan-opt-stack -S | FileCheck %s
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+;@sink = global i32* null, align 4
+
+; Ignore direct inbounds stack access.
+define void @foo() uwtable sanitize_address {
+entry:
+  %a = alloca i32, align 4
+  store i32 42, i32* %a, align 4
+  ret void
+; CHECK-LABEL: define void @foo
+; CHECK-NOT: __asan_report
+; CHECK: ret void
+}
+
+; Don't ignore dynamic indexing.
+define void @baz(i64 %i) sanitize_address {
+entry:
+  %a = alloca [10 x i32], align 4
+  %e = getelementptr inbounds [10 x i32], [10 x i32]* %a, i32 0, i64 %i
+  store i32 42, i32* %e, align 4
+  ret void
+; CHECK-LABEL: define void @baz
+; CHECK: __asan_report
+; CHECK: ret void
+}
+
+define void @bar() sanitize_address {
+entry:
+  %a = alloca [10 x i32], align 4
+  %e = getelementptr inbounds [10 x i32], [10 x i32]* %a, i32 0, i64 12
+  store i32 42, i32* %e, align 4
+  ret void
+; CHECK-LABEL: define void @bar
+; CHECK: __asan_report
+; CHECK: ret void
+}
+
+define void @endoftests() sanitize_address {
+entry:
+  ret void
+; CHECK-LABEL: define void @endoftests
+}
+