; RUN: llvm-as < %s | opt -simplifycfg | llvm-dis | \ ; RUN: not grep select ;; The PHI node in this example should not be turned into a select, as we are ;; not able to ifcvt the entire block. As such, converting to a select just ;; introduces inefficiency without saving copies. define i32 @bar(i1 %C) { entry: br i1 %C, label %then, label %endif then: ; preds = %entry %tmp.3 = call i32 @qux( ) ; [#uses=0] br label %endif endif: ; preds = %then, %entry %R = phi i32 [ 123, %entry ], [ 12312, %then ] ; [#uses=1] ;; stuff to disable tail duplication call i32 @qux( ) ; :0 [#uses=0] call i32 @qux( ) ; :1 [#uses=0] call i32 @qux( ) ; :2 [#uses=0] call i32 @qux( ) ; :3 [#uses=0] call i32 @qux( ) ; :4 [#uses=0] call i32 @qux( ) ; :5 [#uses=0] call i32 @qux( ) ; :6 [#uses=0] ret i32 %R } declare i32 @qux()