| ; 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: |
| |
| int %test(int %N) { |
| Entry: |
| br label %Loop |
| Loop: |
| %N_addr.0.pn = phi int [ %dec, %Loop ], [ %N, %Entry ] |
| %tmp.6 = mul int %N, %N_addr.0.pn |
| %tmp.7 = sub int %tmp.6, %N |
| %dec = add int %N_addr.0.pn, -1 |
| %tmp.1 = setne int %N_addr.0.pn, 1 |
| br bool %tmp.1, label %Loop, label %Out |
| Out: |
| ret int %tmp.7 |
| } |