| ; RUN: opt < %s -instcombine -S | grep "lshr.*3" |
| ; RUN: opt < %s -instcombine -S | grep "call .*%cond" |
| ; PR2506 |
| |
| ; We can simplify the operand of udiv to '8', but not the operand to the |
| ; call. If the callee never returns, we can't assume the div is reachable. |
| define i32 @a(i32 %x, i32 %y) { |
| entry: |
| %tobool = icmp ne i32 %y, 0 ; <i1> [#uses=1] |
| %cond = select i1 %tobool, i32 8, i32 0 ; <i32> [#uses=2] |
| %call = call i32 @b( i32 %cond ) ; <i32> [#uses=0] |
| %div = udiv i32 %x, %cond ; <i32> [#uses=1] |
| ret i32 %div |
| } |
| |
| declare i32 @b(i32) |
