| Dan Gohman | 3c7d308 | 2009-09-11 18:01:28 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -loop-reduce -S \ |
| Dan Gohman | d0c0123 | 2009-05-19 02:15:55 +0000 | [diff] [blame] | 2 | ; RUN: | grep {getelementptr.*%lsr.iv.*%lsr.iv.*<i32\\*>} |
| Dale Johannesen | 68264ff | 2009-04-29 16:38:47 +0000 | [diff] [blame] | 3 | ; The multiply in bb2 must not be reduced to an add, as the sext causes the |
| 4 | ; %1 argument to become negative after a while. |
| 5 | ; ModuleID = '<stdin>' |
| 6 | target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" |
| 7 | target triple = "i386-apple-darwin9.6" |
| 8 | @table = common global [32 x [256 x i32]] zeroinitializer, align 32 ; <[32 x [256 x i32]]*> [#uses=2] |
| 9 | |
| 10 | define i32 @main() nounwind { |
| 11 | bb4.thread: |
| 12 | br label %bb2 |
| 13 | |
| 14 | bb2: ; preds = %bb4, %bb2, %bb4.thread |
| 15 | %i.0.reg2mem.0.ph = phi i32 [ 0, %bb4.thread ], [ %i.0.reg2mem.0.ph, %bb2 ], [ %indvar.next9, %bb4 ] ; <i32> [#uses=4] |
| 16 | %j.0.reg2mem.0 = phi i32 [ 0, %bb4.thread ], [ %indvar.next, %bb2 ], [ 0, %bb4 ] ; <i32> [#uses=3] |
| 17 | %0 = trunc i32 %j.0.reg2mem.0 to i8 ; <i8> [#uses=1] |
| 18 | %1 = sext i8 %0 to i32 ; <i32> [#uses=1] |
| 19 | %2 = mul i32 %1, %i.0.reg2mem.0.ph ; <i32> [#uses=1] |
| 20 | %3 = getelementptr [32 x [256 x i32]]* @table, i32 0, i32 %i.0.reg2mem.0.ph, i32 %j.0.reg2mem.0 ; <i32*> [#uses=1] |
| 21 | store i32 %2, i32* %3, align 4 |
| 22 | %indvar.next = add i32 %j.0.reg2mem.0, 1 ; <i32> [#uses=2] |
| 23 | %exitcond = icmp eq i32 %indvar.next, 256 ; <i1> [#uses=1] |
| 24 | br i1 %exitcond, label %bb4, label %bb2 |
| 25 | |
| 26 | bb4: ; preds = %bb2 |
| 27 | %indvar.next9 = add i32 %i.0.reg2mem.0.ph, 1 ; <i32> [#uses=2] |
| 28 | %exitcond10 = icmp eq i32 %indvar.next9, 32 ; <i1> [#uses=1] |
| 29 | br i1 %exitcond10, label %bb5, label %bb2 |
| 30 | |
| 31 | bb5: ; preds = %bb4 |
| 32 | %4 = load i32* getelementptr ([32 x [256 x i32]]* @table, i32 0, i32 9, i32 132), align 16 ; <i32> [#uses=1] |
| 33 | %5 = icmp eq i32 %4, -1116 ; <i1> [#uses=1] |
| 34 | br i1 %5, label %bb7, label %bb6 |
| 35 | |
| 36 | bb6: ; preds = %bb5 |
| 37 | tail call void @abort() noreturn nounwind |
| 38 | unreachable |
| 39 | |
| 40 | bb7: ; preds = %bb5 |
| 41 | ret i32 0 |
| 42 | } |
| 43 | |
| 44 | declare void @abort() noreturn nounwind |