| ; This function contains two tail calls, which should be eliminated |
| ; RUN: llvm-as < %s | opt -tailcallelim -stats -disable-output 2>&1 | grep '2 tailcallelim' |
| |
| int %Ack(int %M.1, int %N.1) { |
| entry: |
| %tmp.1 = seteq int %M.1, 0 ; <bool> [#uses=1] |
| br bool %tmp.1, label %then.0, label %endif.0 |
| |
| then.0: |
| %tmp.4 = add int %N.1, 1 ; <int> [#uses=1] |
| ret int %tmp.4 |
| |
| endif.0: |
| %tmp.6 = seteq int %N.1, 0 ; <bool> [#uses=1] |
| br bool %tmp.6, label %then.1, label %endif.1 |
| |
| then.1: |
| %tmp.10 = add int %M.1, -1 ; <int> [#uses=1] |
| %tmp.8 = call int %Ack( int %tmp.10, int 1 ) ; <int> [#uses=1] |
| ret int %tmp.8 |
| |
| endif.1: |
| %tmp.13 = add int %M.1, -1 ; <int> [#uses=1] |
| %tmp.17 = add int %N.1, -1 ; <int> [#uses=1] |
| %tmp.14 = call int %Ack( int %M.1, int %tmp.17 ) ; <int> [#uses=1] |
| %tmp.11 = call int %Ack( int %tmp.13, int %tmp.14 ) ; <int> [#uses=1] |
| ret int %tmp.11 |
| } |
| |