--- /dev/null
+; RUN: llvm-as < %s | opt -ipconstprop | llvm-dis > %t
+; RUN: cat %t | grep {store i32 %Z, i32\\* %Q}
+; RUN: cat %t | grep {add i32 1, 3}
+
+;; This function returns its second argument on all return statements
+define internal i32* @incdec(i1 %C, i32* %V) {
+ %X = load i32* %V
+ br i1 %C, label %T, label %F
+
+T: ; preds = %0
+ %X1 = add i32 %X, 1
+ store i32 %X1, i32* %V
+ ret i32* %V
+
+F: ; preds = %0
+ %X2 = sub i32 %X, 1
+ store i32 %X2, i32* %V
+ ret i32* %V
+}
+
+;; This function returns its first argument as a part of a multiple return
+;; value
+define internal { i32, i32 } @foo(i32 %A, i32 %B) {
+ %X = add i32 %A, %B
+ %Y = insertvalue { i32, i32 } undef, i32 %A, 0
+ %Z = insertvalue { i32, i32 } %Y, i32 %X, 1
+ ret { i32, i32 } %Z
+}
+
+define void @caller(i1 %C) {
+ %Q = alloca i32
+ ;; Call incdec to see if %W is properly replaced by %Q
+ %W = call i32* @incdec(i1 %C, i32* %Q ) ; <i32> [#uses=1]
+ ;; Call @foo twice, to prevent the arguments from propagating into the
+ ;; function (so we can check the returned argument is properly
+ ;; propagated per-caller).
+ %S1 = call { i32, i32 } @foo(i32 1, i32 2);
+ %X1 = extractvalue { i32, i32 } %S1, 0
+ %S2 = call { i32, i32 } @foo(i32 3, i32 4);
+ %X2 = extractvalue { i32, i32 } %S2, 0
+ ;; Do some stuff with the returned values which we can grep for
+ %Z = add i32 %X1, %X2
+ store i32 %Z, i32* %W
+ ret void
+}
+