| Dan Gohman | 3c7d308 | 2009-09-11 18:01:28 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -indvars -S > %t |
| Dan Gohman | ebac254 | 2009-02-23 23:20:35 +0000 | [diff] [blame] | 2 | ; RUN: not grep sext %t |
| Dan Gohman | cacd201 | 2009-02-12 22:19:27 +0000 | [diff] [blame] | 3 | |
| 4 | define i64 @test(i64* nocapture %first, i32 %count) nounwind readonly { |
| 5 | entry: |
| 6 | %t0 = icmp sgt i32 %count, 0 ; <i1> [#uses=1] |
| 7 | br i1 %t0, label %bb.nph, label %bb2 |
| 8 | |
| 9 | bb.nph: ; preds = %entry |
| 10 | br label %bb |
| 11 | |
| 12 | bb: ; preds = %bb1, %bb.nph |
| 13 | %result.02 = phi i64 [ %t5, %bb1 ], [ 0, %bb.nph ] ; <i64> [#uses=1] |
| 14 | %n.01 = phi i32 [ %t6, %bb1 ], [ 0, %bb.nph ] ; <i32> [#uses=2] |
| 15 | %t1 = sext i32 %n.01 to i64 ; <i64> [#uses=1] |
| 16 | %t2 = getelementptr i64* %first, i64 %t1 ; <i64*> [#uses=1] |
| 17 | %t3 = load i64* %t2, align 8 ; <i64> [#uses=1] |
| 18 | %t4 = lshr i64 %t3, 4 ; <i64> [#uses=1] |
| 19 | %t5 = add i64 %t4, %result.02 ; <i64> [#uses=2] |
| 20 | %t6 = add i32 %n.01, 1 ; <i32> [#uses=2] |
| 21 | br label %bb1 |
| 22 | |
| 23 | bb1: ; preds = %bb |
| 24 | %t7 = icmp slt i32 %t6, %count ; <i1> [#uses=1] |
| 25 | br i1 %t7, label %bb, label %bb1.bb2_crit_edge |
| 26 | |
| 27 | bb1.bb2_crit_edge: ; preds = %bb1 |
| 28 | %.lcssa = phi i64 [ %t5, %bb1 ] ; <i64> [#uses=1] |
| 29 | br label %bb2 |
| 30 | |
| 31 | bb2: ; preds = %bb1.bb2_crit_edge, %entry |
| 32 | %result.0.lcssa = phi i64 [ %.lcssa, %bb1.bb2_crit_edge ], [ 0, %entry ] ; <i64> [#uses=1] |
| 33 | ret i64 %result.0.lcssa |
| 34 | } |
| 35 | |
| 36 | define void @foo(i16 signext %N, i32* nocapture %P) nounwind { |
| 37 | entry: |
| 38 | %t0 = icmp sgt i16 %N, 0 ; <i1> [#uses=1] |
| 39 | br i1 %t0, label %bb.nph, label %return |
| 40 | |
| 41 | bb.nph: ; preds = %entry |
| 42 | br label %bb |
| 43 | |
| 44 | bb: ; preds = %bb1, %bb.nph |
| 45 | %i.01 = phi i16 [ %t3, %bb1 ], [ 0, %bb.nph ] ; <i16> [#uses=2] |
| 46 | %t1 = sext i16 %i.01 to i64 ; <i64> [#uses=1] |
| 47 | %t2 = getelementptr i32* %P, i64 %t1 ; <i32*> [#uses=1] |
| 48 | store i32 123, i32* %t2, align 4 |
| 49 | %t3 = add i16 %i.01, 1 ; <i16> [#uses=2] |
| 50 | br label %bb1 |
| 51 | |
| 52 | bb1: ; preds = %bb |
| 53 | %t4 = icmp slt i16 %t3, %N ; <i1> [#uses=1] |
| 54 | br i1 %t4, label %bb, label %bb1.return_crit_edge |
| 55 | |
| 56 | bb1.return_crit_edge: ; preds = %bb1 |
| 57 | br label %return |
| 58 | |
| 59 | return: ; preds = %bb1.return_crit_edge, %entry |
| 60 | ret void |
| 61 | } |
| Dan Gohman | cecc80f | 2009-02-14 02:31:09 +0000 | [diff] [blame] | 62 | |
| 63 | ; Test cases from PR1301: |
| 64 | |
| 65 | define void @kinds__srangezero([21 x i32]* nocapture %a) nounwind { |
| 66 | bb.thread: |
| 67 | br label %bb |
| 68 | |
| 69 | bb: ; preds = %bb, %bb.thread |
| 70 | %i.0.reg2mem.0 = phi i8 [ -10, %bb.thread ], [ %tmp7, %bb ] ; <i8> [#uses=2] |
| 71 | %tmp12 = sext i8 %i.0.reg2mem.0 to i32 ; <i32> [#uses=1] |
| 72 | %tmp4 = add i32 %tmp12, 10 ; <i32> [#uses=1] |
| 73 | %tmp5 = getelementptr [21 x i32]* %a, i32 0, i32 %tmp4 ; <i32*> [#uses=1] |
| 74 | store i32 0, i32* %tmp5 |
| 75 | %tmp7 = add i8 %i.0.reg2mem.0, 1 ; <i8> [#uses=2] |
| 76 | %0 = icmp sgt i8 %tmp7, 10 ; <i1> [#uses=1] |
| 77 | br i1 %0, label %return, label %bb |
| 78 | |
| 79 | return: ; preds = %bb |
| 80 | ret void |
| 81 | } |
| 82 | |
| 83 | define void @kinds__urangezero([21 x i32]* nocapture %a) nounwind { |
| 84 | bb.thread: |
| 85 | br label %bb |
| 86 | |
| 87 | bb: ; preds = %bb, %bb.thread |
| 88 | %i.0.reg2mem.0 = phi i8 [ 10, %bb.thread ], [ %tmp7, %bb ] ; <i8> [#uses=2] |
| 89 | %tmp12 = sext i8 %i.0.reg2mem.0 to i32 ; <i32> [#uses=1] |
| 90 | %tmp4 = add i32 %tmp12, -10 ; <i32> [#uses=1] |
| 91 | %tmp5 = getelementptr [21 x i32]* %a, i32 0, i32 %tmp4 ; <i32*> [#uses=1] |
| 92 | store i32 0, i32* %tmp5 |
| 93 | %tmp7 = add i8 %i.0.reg2mem.0, 1 ; <i8> [#uses=2] |
| 94 | %0 = icmp sgt i8 %tmp7, 30 ; <i1> [#uses=1] |
| 95 | br i1 %0, label %return, label %bb |
| 96 | |
| 97 | return: ; preds = %bb |
| 98 | ret void |
| 99 | } |