DataFlowSanitizer: Instrumentation for memset.

[oota-llvm.git] / test / Instrumentation / DataFlowSanitizer / memset.ll

diff --git a/test/Instrumentation/DataFlowSanitizer/memset.ll b/test/Instrumentation/DataFlowSanitizer/memset.ll
new file mode 100644 (file)
index 0000000..2cc25db
--- /dev/null
+++ b/test/Instrumentation/DataFlowSanitizer/memset.ll
@@ -0,0 +1,11 @@
+; RUN: opt < %s -dfsan -dfsan-args-abi -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"
+
+declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1)
+
+define void @ms(i8* %p, i8 %v) {
+  ; CHECK-LABEL: @ms(i8*, i8, i16, i16)
+  ; CHECK: call void @__dfsan_set_label(i16 %3, i8* %0, i64 1)
+  call void @llvm.memset.p0i8.i64(i8* %p, i8 %v, i64 1, i32 1, i1 1)
+  ret void
+}