; This is a basic sanity check for constant propogation. The add instruction ; should be eliminated. ; RUN: llvm-as < %s | opt -sccp | llvm-dis | not grep add define i32 @test(i1 %B) { br i1 %B, label %BB1, label %BB2 BB1: ; preds = %0 %Val = add i32 0, 0 ; [#uses=1] br label %BB3 BB2: ; preds = %0 br label %BB3 BB3: ; preds = %BB2, %BB1 %Ret = phi i32 [ %Val, %BB1 ], [ 1, %BB2 ] ; [#uses=1] ret i32 %Ret }