; If the result of an instruction is only used outside of the loop, sink ; the instruction to the exit blocks instead of executing it on every ; iteration of the loop. ; ; RUN: llvm-as < %s | opt -licm | llvm-dis | %prcontext mul 1 | grep Out: define i32 @test(i32 %N) { Entry: br label %Loop Loop: ; preds = %Loop, %Entry %N_addr.0.pn = phi i32 [ %dec, %Loop ], [ %N, %Entry ] ; [#uses=3] %tmp.6 = mul i32 %N, %N_addr.0.pn ; [#uses=1] %tmp.7 = sub i32 %tmp.6, %N ; [#uses=1] %dec = add i32 %N_addr.0.pn, -1 ; [#uses=1] %tmp.1 = icmp ne i32 %N_addr.0.pn, 1 ; [#uses=1] br i1 %tmp.1, label %Loop, label %Out Out: ; preds = %Loop ret i32 %tmp.7 }