| Dan Gohman | f2f6ce6 | 2009-09-11 18:01:28 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -indvars |
| Dan Gohman | f876ad0 | 2009-05-26 17:41:16 +0000 | [diff] [blame] | 2 | ; PR4271 |
| 3 | |
| 4 | 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" |
| 5 | target triple = "i386-apple-darwin10.0" |
| 6 | %struct.xyz = type <{ i64, i64, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i64, [8 x i8], i64, i64, i32, i32, [4 x i32], i32, i32, i32, i32, i32, i32, [76 x i32], i32, [2 x %struct.uvw] }> |
| 7 | %struct.uvw = type <{ i64, i64 }> |
| 8 | |
| 9 | define i32 @foo(%struct.xyz* %header, i8* %p2, i8* %p3, i8* nocapture %p4) nounwind { |
| 10 | entry: |
| 11 | br label %while.body.i |
| 12 | |
| 13 | while.body.i: ; preds = %while.body.i, %entry |
| 14 | br i1 undef, label %while.body.i, label %bcopy_internal.exit |
| 15 | |
| 16 | bcopy_internal.exit: ; preds = %while.body.i |
| 17 | %conv135 = ptrtoint %struct.xyz* %header to i32 ; <i32> [#uses=1] |
| 18 | %shr136 = lshr i32 %conv135, 12 ; <i32> [#uses=1] |
| 19 | br label %for.body |
| 20 | |
| 21 | for.body: ; preds = %for.body, %bcopy_internal.exit |
| 22 | %ppnum.052 = phi i32 [ %inc, %for.body ], [ %shr136, %bcopy_internal.exit ] ; <i32> [#uses=1] |
| 23 | %inc = add i32 %ppnum.052, 1 ; <i32> [#uses=2] |
| 24 | %cmp = icmp ugt i32 %inc, undef ; <i1> [#uses=1] |
| 25 | br i1 %cmp, label %if.then199, label %for.body |
| 26 | |
| 27 | if.then199: ; preds = %if.then199, %for.body |
| 28 | br label %if.then199 |
| 29 | } |
| 30 | |
| 31 | define i32 @same_thing_but_signed(%struct.xyz* %header, i8* %p2, i8* %p3, i8* nocapture %p4) nounwind { |
| 32 | entry: |
| 33 | br label %while.body.i |
| 34 | |
| 35 | while.body.i: ; preds = %while.body.i, %entry |
| 36 | br i1 undef, label %while.body.i, label %bcopy_internal.exit |
| 37 | |
| 38 | bcopy_internal.exit: ; preds = %while.body.i |
| 39 | %conv135 = ptrtoint %struct.xyz* %header to i32 ; <i32> [#uses=1] |
| 40 | %shr136 = ashr i32 %conv135, 12 ; <i32> [#uses=1] |
| 41 | br label %for.body |
| 42 | |
| 43 | for.body: ; preds = %for.body, %bcopy_internal.exit |
| 44 | %ppnum.052 = phi i32 [ %inc, %for.body ], [ %shr136, %bcopy_internal.exit ] ; <i32> [#uses=1] |
| 45 | %inc = add i32 %ppnum.052, 1 ; <i32> [#uses=2] |
| 46 | %cmp = icmp ugt i32 %inc, undef ; <i1> [#uses=1] |
| 47 | br i1 %cmp, label %if.then199, label %for.body |
| 48 | |
| 49 | if.then199: ; preds = %if.then199, %for.body |
| 50 | br label %if.then199 |
| 51 | } |
| 52 | |
| 53 | define i32 @same_thing_but_multiplied(%struct.xyz* %header, i8* %p2, i8* %p3, i8* nocapture %p4) nounwind { |
| 54 | entry: |
| 55 | br label %while.body.i |
| 56 | |
| 57 | while.body.i: ; preds = %while.body.i, %entry |
| 58 | br i1 undef, label %while.body.i, label %bcopy_internal.exit |
| 59 | |
| 60 | bcopy_internal.exit: ; preds = %while.body.i |
| 61 | %conv135 = ptrtoint %struct.xyz* %header to i32 ; <i32> [#uses=1] |
| 62 | %shr136 = shl i32 %conv135, 12 ; <i32> [#uses=1] |
| 63 | br label %for.body |
| 64 | |
| 65 | for.body: ; preds = %for.body, %bcopy_internal.exit |
| 66 | %ppnum.052 = phi i32 [ %inc, %for.body ], [ %shr136, %bcopy_internal.exit ] ; <i32> [#uses=1] |
| 67 | %inc = add i32 %ppnum.052, 1 ; <i32> [#uses=2] |
| 68 | %cmp = icmp ugt i32 %inc, undef ; <i1> [#uses=1] |
| 69 | br i1 %cmp, label %if.then199, label %for.body |
| 70 | |
| 71 | if.then199: ; preds = %if.then199, %for.body |
| 72 | br label %if.then199 |
| 73 | } |
| 74 | |
| 75 | define i32 @same_thing_but_xored(%struct.xyz* %header, i8* %p2, i8* %p3, i8* nocapture %p4) nounwind { |
| 76 | entry: |
| 77 | br label %while.body.i |
| 78 | |
| 79 | while.body.i: ; preds = %while.body.i, %entry |
| 80 | br i1 undef, label %while.body.i, label %bcopy_internal.exit |
| 81 | |
| 82 | bcopy_internal.exit: ; preds = %while.body.i |
| 83 | %conv135 = ptrtoint %struct.xyz* %header to i32 ; <i32> [#uses=1] |
| 84 | %shr136 = xor i32 %conv135, 12 ; <i32> [#uses=1] |
| 85 | br label %for.body |
| 86 | |
| 87 | for.body: ; preds = %for.body, %bcopy_internal.exit |
| 88 | %ppnum.052 = phi i32 [ %inc, %for.body ], [ %shr136, %bcopy_internal.exit ] ; <i32> [#uses=1] |
| 89 | %inc = add i32 %ppnum.052, 1 ; <i32> [#uses=2] |
| 90 | %cmp = icmp ugt i32 %inc, undef ; <i1> [#uses=1] |
| 91 | br i1 %cmp, label %if.then199, label %for.body |
| 92 | |
| 93 | if.then199: ; preds = %if.then199, %for.body |
| 94 | br label %if.then199 |
| 95 | } |