--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/CodeGen/Hexagon/avoid-predspill-calleesaved.ll	Fri Nov 25 19:14:25 2016 +0900
@@ -0,0 +1,49 @@
+; Check that a callee-saved register will be saved correctly if
+; the predicate-to-GPR spilling code uses it.
+;
+; RUN: llc -march=hexagon < %s | FileCheck %s
+;
+; We expect to spill p0 into a general-purpose register and keep it there,
+; without adding an extra spill of that register.
+;
+; CHECK: PredSpill:
+; CHECK: memd(r29{{.*}}) = r17:16
+; CHECK-DAG: r{{[0-9]+}} = p0
+; CHECK-DAG: p0 = r{{[0-9]+}}
+; CHECK-NOT: = memw(r29
+;
+
+define void @PredSpill() {
+entry:
+  br i1 undef, label %if.then, label %if.else.14
+
+if.then:                                          ; preds = %entry
+  br i1 undef, label %if.end.57, label %if.else
+
+if.else:                                          ; preds = %if.then
+  unreachable
+
+if.else.14:                                       ; preds = %entry
+  br i1 undef, label %if.then.17, label %if.end.57
+
+if.then.17:                                       ; preds = %if.else.14
+  br i1 undef, label %if.end.57, label %if.then.20
+
+if.then.20:                                       ; preds = %if.then.17
+  %call21 = tail call i32 @myfun()
+  %tobool22 = icmp eq i32 %call21, 0
+  %0 = tail call i32 @myfun()
+  br i1 %tobool22, label %if.else.42, label %if.then.23
+
+if.then.23:                                       ; preds = %if.then.20
+  unreachable
+
+if.else.42:                                       ; preds = %if.then.20
+  ret void
+
+if.end.57:                                        ; preds = %if.then.17, %if.else.14, %if.then
+  ret void
+}
+
+declare i32 @myfun()
+