blob: f7a82f6616d2055b7e54563688ac3f765d0478d0 [file] [log] [blame]
Dan Gohmanf2f6ce62009-09-11 18:01:28 +00001; RUN: opt < %s -loop-reduce -S | \
Chandler Carruth1de43ed2012-07-02 19:09:46 +00002; RUN: not grep "bitcast i32 1 to i32"
Reid Spencer2aabd072007-04-15 08:30:33 +00003; END.
Chris Lattnerbe040812005-09-10 01:14:37 +00004; 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
Tanya Lattnere6d5d392008-03-19 07:28:33 +00007define void @test([700 x i32]* %nbeaux_.0__558, i32* %i_.16574) {
Chris Lattnerbe040812005-09-10 01:14:37 +00008then.0:
Tanya Lattnere6d5d392008-03-19 07:28:33 +00009 br label %no_exit.2
10no_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]* %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
19loopexit.2.loopexit: ; preds = %no_exit.2
20 store i32 %inc.2, i32* %i_.16574
21 ret void
Chris Lattnerbe040812005-09-10 01:14:37 +000022}
Tanya Lattnere6d5d392008-03-19 07:28:33 +000023