| ; Make sure that the compare instruction occurs after the increment to avoid |
| ; having overlapping live ranges that result in copies. We want the setcc |
| ; instruction immediately before the conditional branch. |
| ; |
| ; RUN: opt -S -loop-reduce < %s | FileCheck %s |
| |
| define void @foo(ptr %D, i32 %E) { |
| entry: |
| br label %no_exit |
| no_exit: ; preds = %no_exit, %entry |
| %indvar = phi i32 [ 0, %entry ], [ %indvar.next, %no_exit ] ; <i32> [#uses=1] |
| store volatile float 0.000000e+00, ptr %D |
| %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=2] |
| ; CHECK: icmp |
| ; CHECK-NEXT: br i1 |
| %exitcond = icmp eq i32 %indvar.next, %E ; <i1> [#uses=1] |
| br i1 %exitcond, label %loopexit, label %no_exit |
| loopexit: ; preds = %no_exit |
| ret void |
| } |
| |
