1 files changed, 48 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Hexagon/memcmp.ll b/llvm/test/CodeGen/Hexagon/memcmp.ll
new file mode 100644
index 00000000000..a3244e505b4
--- /dev/null
+++ b/llvm/test/CodeGen/Hexagon/memcmp.ll
@@ -0,0 +1,48 @@
+; RUN: llc -march=hexagon < %s | FileCheck %s
+; CHECK: loop0
+
+target triple = "hexagon"
+
+; Function Attrs: nounwind readonly
+define i32 @f0(i8* nocapture %a0, i8* nocapture %a1, i32 %a2) #0 {
+b0:
+  %v0 = icmp eq i32 %a2, 0
+  br i1 %v0, label %b6, label %b1
+
+b1:                                               ; preds = %b0
+  br label %b2
+
+b2:                                               ; preds = %b4, %b1
+  %v1 = phi i8* [ %v10, %b4 ], [ %a1, %b1 ]
+  %v2 = phi i8* [ %v9, %b4 ], [ %a0, %b1 ]
+  %v3 = phi i32 [ %v11, %b4 ], [ %a2, %b1 ]
+  %v4 = load i8, i8* %v2, align 1, !tbaa !0
+  %v5 = load i8, i8* %v1, align 1, !tbaa !0
+  %v6 = icmp eq i8 %v4, %v5
+  br i1 %v6, label %b4, label %b3
+
+b3:                                               ; preds = %b2
+  %v7 = icmp ult i8 %v4, %v5
+  %v8 = select i1 %v7, i32 -1, i32 1
+  br label %b6
+
+b4:                                               ; preds = %b2
+  %v9 = getelementptr inbounds i8, i8* %v2, i32 1
+  %v10 = getelementptr inbounds i8, i8* %v1, i32 1
+  %v11 = add i32 %v3, -1
+  %v12 = icmp eq i32 %v11, 0
+  br i1 %v12, label %b5, label %b2
+
+b5:                                               ; preds = %b4
+  br label %b6
+
+b6:                                               ; preds = %b5, %b3, %b0
+  %v13 = phi i32 [ %v8, %b3 ], [ 0, %b0 ], [ 0, %b5 ]
+  ret i32 %v13
+}
+
+attributes #0 = { nounwind readonly "target-cpu"="hexagonv55" }
+
+!0 = !{!1, !1, i64 0}
+!1 = !{!"omnipotent char", !2}
+!2 = !{!"Simple C/C++ TBAA"}