| Dan Gohman | f2f6ce6 | 2009-09-11 18:01:28 +0000 | [diff] [blame^] | 1 | ; RUN: opt < %s -indvars -S > %t |
| Dan Gohman | 81db61a | 2009-05-12 02:17:14 +0000 | [diff] [blame] | 2 | ; RUN: grep phi %t | count 4 |
| 3 | ; RUN: grep {= phi i32} %t | count 4 |
| 4 | ; RUN: not grep {sext i} %t |
| 5 | ; RUN: not grep {zext i} %t |
| 6 | ; RUN: not grep {trunc i} %t |
| 7 | ; RUN: not grep {add i8} %t |
| 8 | ; PR1301 |
| 9 | |
| 10 | ; Do a bunch of analysis and prove that the loops can use an i32 trip |
| 11 | ; count without casting. |
| 12 | |
| 13 | ; ModuleID = 'ada.bc' |
| 14 | 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" |
| 15 | target triple = "i686-pc-linux-gnu" |
| 16 | |
| 17 | define void @kinds__sbytezero([256 x i32]* nocapture %a) nounwind { |
| 18 | bb.thread: |
| 19 | %tmp46 = getelementptr [256 x i32]* %a, i32 0, i32 0 ; <i32*> [#uses=1] |
| 20 | store i32 0, i32* %tmp46 |
| 21 | br label %bb |
| 22 | |
| 23 | bb: ; preds = %bb, %bb.thread |
| 24 | %i.0.reg2mem.0 = phi i8 [ -128, %bb.thread ], [ %tmp8, %bb ] ; <i8> [#uses=1] |
| 25 | %tmp8 = add i8 %i.0.reg2mem.0, 1 ; <i8> [#uses=3] |
| 26 | %tmp1 = sext i8 %tmp8 to i32 ; <i32> [#uses=1] |
| 27 | %tmp3 = add i32 %tmp1, 128 ; <i32> [#uses=1] |
| 28 | %tmp4 = getelementptr [256 x i32]* %a, i32 0, i32 %tmp3 ; <i32*> [#uses=1] |
| 29 | store i32 0, i32* %tmp4 |
| 30 | %0 = icmp eq i8 %tmp8, 127 ; <i1> [#uses=1] |
| 31 | br i1 %0, label %return, label %bb |
| 32 | |
| 33 | return: ; preds = %bb |
| 34 | ret void |
| 35 | } |
| 36 | |
| 37 | define void @kinds__ubytezero([256 x i32]* nocapture %a) nounwind { |
| 38 | bb.thread: |
| 39 | %tmp35 = getelementptr [256 x i32]* %a, i32 0, i32 0 ; <i32*> [#uses=1] |
| 40 | store i32 0, i32* %tmp35 |
| 41 | br label %bb |
| 42 | |
| 43 | bb: ; preds = %bb, %bb.thread |
| 44 | %i.0.reg2mem.0 = phi i8 [ 0, %bb.thread ], [ %tmp7, %bb ] ; <i8> [#uses=1] |
| 45 | %tmp7 = add i8 %i.0.reg2mem.0, 1 ; <i8> [#uses=3] |
| 46 | %tmp1 = zext i8 %tmp7 to i32 ; <i32> [#uses=1] |
| 47 | %tmp3 = getelementptr [256 x i32]* %a, i32 0, i32 %tmp1 ; <i32*> [#uses=1] |
| 48 | store i32 0, i32* %tmp3 |
| 49 | %0 = icmp eq i8 %tmp7, -1 ; <i1> [#uses=1] |
| 50 | br i1 %0, label %return, label %bb |
| 51 | |
| 52 | return: ; preds = %bb |
| 53 | ret void |
| 54 | } |
| 55 | |
| 56 | define void @kinds__srangezero([21 x i32]* nocapture %a) nounwind { |
| 57 | bb.thread: |
| 58 | br label %bb |
| 59 | |
| 60 | bb: ; preds = %bb, %bb.thread |
| 61 | %i.0.reg2mem.0 = phi i8 [ -10, %bb.thread ], [ %tmp7, %bb ] ; <i8> [#uses=2] |
| 62 | %tmp12 = sext i8 %i.0.reg2mem.0 to i32 ; <i32> [#uses=1] |
| 63 | %tmp4 = add i32 %tmp12, 10 ; <i32> [#uses=1] |
| 64 | %tmp5 = getelementptr [21 x i32]* %a, i32 0, i32 %tmp4 ; <i32*> [#uses=1] |
| 65 | store i32 0, i32* %tmp5 |
| 66 | %tmp7 = add i8 %i.0.reg2mem.0, 1 ; <i8> [#uses=2] |
| 67 | %0 = icmp sgt i8 %tmp7, 10 ; <i1> [#uses=1] |
| 68 | br i1 %0, label %return, label %bb |
| 69 | |
| 70 | return: ; preds = %bb |
| 71 | ret void |
| 72 | } |
| 73 | |
| 74 | define void @kinds__urangezero([21 x i32]* nocapture %a) nounwind { |
| 75 | bb.thread: |
| 76 | br label %bb |
| 77 | |
| 78 | bb: ; preds = %bb, %bb.thread |
| 79 | %i.0.reg2mem.0 = phi i8 [ 10, %bb.thread ], [ %tmp7, %bb ] ; <i8> [#uses=2] |
| 80 | %tmp12 = sext i8 %i.0.reg2mem.0 to i32 ; <i32> [#uses=1] |
| 81 | %tmp4 = add i32 %tmp12, -10 ; <i32> [#uses=1] |
| 82 | %tmp5 = getelementptr [21 x i32]* %a, i32 0, i32 %tmp4 ; <i32*> [#uses=1] |
| 83 | store i32 0, i32* %tmp5 |
| 84 | %tmp7 = add i8 %i.0.reg2mem.0, 1 ; <i8> [#uses=2] |
| 85 | %0 = icmp sgt i8 %tmp7, 30 ; <i1> [#uses=1] |
| 86 | br i1 %0, label %return, label %bb |
| 87 | |
| 88 | return: ; preds = %bb |
| 89 | ret void |
| 90 | } |