--- /dev/null
+; RUN: opt -S < %s -correlated-propagation | FileCheck %s
+
+; CHECK: @check
+define i16 @test(i32 %a, i1 %b) {
+entry:
+ %c = icmp eq i32 %a, 0
+ br i1 %c, label %left, label %right
+
+right:
+ %d = trunc i32 %a to i1
+ br label %merge
+
+left:
+ br i1 %b, label %merge, label %other
+
+other:
+ ret i16 23
+
+merge:
+ %f = phi i1 [%b, %left], [%d, %right]
+; CHECK: select i1 %f, i16 1, i16 0
+ %h = select i1 %f, i16 1, i16 0
+; CHECK: ret i16 %h
+ ret i16 %h
+}
\ No newline at end of file