Eric Christopher | cee313d | 2019-04-17 04:52:47 +0000 | [diff] [blame^] | 1 | ; RUN: opt < %s -loop-reduce -S | \ |
| 2 | ; RUN: not grep "bitcast i32 1 to i32" |
| 3 | ; END. |
| 4 | ; The setlt wants to use a value that is incremented one more than the dominant |
| 5 | ; IV. Don't insert the 1 outside the loop, preventing folding it into the add. |
| 6 | |
| 7 | define void @test([700 x i32]* %nbeaux_.0__558, i32* %i_.16574) { |
| 8 | then.0: |
| 9 | br label %no_exit.2 |
| 10 | no_exit.2: ; preds = %no_exit.2, %then.0 |
| 11 | %indvar630 = phi i32 [ 0, %then.0 ], [ %indvar.next631, %no_exit.2 ] ; <i32> [#uses=4] |
| 12 | %gep.upgrd.1 = zext i32 %indvar630 to i64 ; <i64> [#uses=1] |
| 13 | %tmp.38 = getelementptr [700 x i32], [700 x i32]* %nbeaux_.0__558, i32 0, i64 %gep.upgrd.1 ; <i32*> [#uses=1] |
| 14 | store i32 0, i32* %tmp.38 |
| 15 | %inc.2 = add i32 %indvar630, 2 ; <i32> [#uses=2] |
| 16 | %tmp.34 = icmp slt i32 %inc.2, 701 ; <i1> [#uses=1] |
| 17 | %indvar.next631 = add i32 %indvar630, 1 ; <i32> [#uses=1] |
| 18 | br i1 %tmp.34, label %no_exit.2, label %loopexit.2.loopexit |
| 19 | loopexit.2.loopexit: ; preds = %no_exit.2 |
| 20 | store i32 %inc.2, i32* %i_.16574 |
| 21 | ret void |
| 22 | } |
| 23 | |