1 ; RUN: llc < %s -mtriple=x86_64-apple-darwin10 2 ; PR4587 3 ; rdar://7072590 4 5 %struct.re_pattern_buffer = type <{ i8*, i64, i64, i64, i8*, i64, i64, i8, i8, i8, i8, i8, i8, i8, i8 }> 6 7 define fastcc i32 @regex_compile(i8* %pattern, i64 %size, i64 %syntax, %struct.re_pattern_buffer* nocapture %bufp) nounwind ssp { 8 entry: 9 br i1 undef, label %return, label %if.end 10 11 if.end: ; preds = %entry 12 %tmp35 = getelementptr %struct.re_pattern_buffer, %struct.re_pattern_buffer* %bufp, i64 0, i32 3 ; <i64*> [#uses=1] 13 store i64 %syntax, i64* %tmp35 14 store i32 undef, i32* undef 15 br i1 undef, label %if.then66, label %if.end102 16 17 if.then66: ; preds = %if.end 18 br i1 false, label %if.else, label %if.then70 19 20 if.then70: ; preds = %if.then66 21 %call74 = call i8* @xrealloc(i8* undef, i64 32) nounwind ssp ; <i8*> [#uses=0] 22 unreachable 23 24 if.else: ; preds = %if.then66 25 br i1 false, label %do.body86, label %if.end99 26 27 do.body86: ; preds = %if.else 28 br i1 false, label %do.end, label %if.then90 29 30 if.then90: ; preds = %do.body86 31 unreachable 32 33 do.end: ; preds = %do.body86 34 ret i32 12 35 36 if.end99: ; preds = %if.else 37 br label %if.end102 38 39 if.end102: ; preds = %if.end99, %if.end 40 br label %while.body 41 42 while.body: ; preds = %if.end1126, %sw.bb532, %while.body, %if.end102 43 %laststart.2 = phi i8* [ null, %if.end102 ], [ %laststart.7.ph, %if.end1126 ], [ %laststart.2, %sw.bb532 ], [ %laststart.2, %while.body ] ; <i8*> [#uses=6] 44 %b.1 = phi i8* [ undef, %if.end102 ], [ %ctg29688, %if.end1126 ], [ %b.1, %sw.bb532 ], [ %b.1, %while.body ] ; <i8*> [#uses=5] 45 br i1 undef, label %while.body, label %if.end127 46 47 if.end127: ; preds = %while.body 48 switch i32 undef, label %sw.bb532 [ 49 i32 123, label %handle_interval 50 i32 92, label %do.body3527 51 ] 52 53 sw.bb532: ; preds = %if.end127 54 br i1 undef, label %while.body, label %if.end808 55 56 if.end808: ; preds = %sw.bb532 57 br i1 undef, label %while.cond1267.preheader, label %if.then811 58 59 while.cond1267.preheader: ; preds = %if.end808 60 br i1 false, label %return, label %if.end1294 61 62 if.then811: ; preds = %if.end808 63 %call817 = call fastcc i8* @skip_one_char(i8* %laststart.2) ssp ; <i8*> [#uses=0] 64 br i1 undef, label %cond.end834, label %lor.lhs.false827 65 66 lor.lhs.false827: ; preds = %if.then811 67 br label %cond.end834 68 69 cond.end834: ; preds = %lor.lhs.false827, %if.then811 70 br i1 undef, label %land.lhs.true838, label %while.cond979.preheader 71 72 land.lhs.true838: ; preds = %cond.end834 73 br i1 undef, label %if.then842, label %while.cond979.preheader 74 75 if.then842: ; preds = %land.lhs.true838 76 %conv851 = trunc i64 undef to i32 ; <i32> [#uses=1] 77 br label %while.cond979.preheader 78 79 while.cond979.preheader: ; preds = %if.then842, %land.lhs.true838, %cond.end834 80 %startoffset.0.ph = phi i32 [ 0, %cond.end834 ], [ 0, %land.lhs.true838 ], [ %conv851, %if.then842 ] ; <i32> [#uses=2] 81 %laststart.7.ph = phi i8* [ %laststart.2, %cond.end834 ], [ %laststart.2, %land.lhs.true838 ], [ %laststart.2, %if.then842 ] ; <i8*> [#uses=3] 82 %b.4.ph = phi i8* [ %b.1, %cond.end834 ], [ %b.1, %land.lhs.true838 ], [ %b.1, %if.then842 ] ; <i8*> [#uses=3] 83 %ctg29688 = getelementptr i8, i8* %b.4.ph, i64 6 ; <i8*> [#uses=1] 84 br label %while.cond979 85 86 while.cond979: ; preds = %if.end1006, %while.cond979.preheader 87 %cmp991 = icmp ugt i64 undef, 0 ; <i1> [#uses=1] 88 br i1 %cmp991, label %do.body994, label %while.end1088 89 90 do.body994: ; preds = %while.cond979 91 br i1 undef, label %return, label %if.end1006 92 93 if.end1006: ; preds = %do.body994 94 %cmp1014 = icmp ugt i64 undef, 32768 ; <i1> [#uses=1] 95 %storemerge10953 = select i1 %cmp1014, i64 32768, i64 undef ; <i64> [#uses=1] 96 store i64 %storemerge10953, i64* undef 97 br i1 false, label %return, label %while.cond979 98 99 while.end1088: ; preds = %while.cond979 100 br i1 undef, label %if.then1091, label %if.else1101 101 102 if.then1091: ; preds = %while.end1088 103 store i8 undef, i8* undef 104 %idx.ext1132.pre = zext i32 %startoffset.0.ph to i64 ; <i64> [#uses=1] 105 %add.ptr1133.pre = getelementptr i8, i8* %laststart.7.ph, i64 %idx.ext1132.pre ; <i8*> [#uses=1] 106 %sub.ptr.lhs.cast1135.pre = ptrtoint i8* %add.ptr1133.pre to i64 ; <i64> [#uses=1] 107 br label %if.end1126 108 109 if.else1101: ; preds = %while.end1088 110 %cond1109 = select i1 undef, i32 18, i32 14 ; <i32> [#uses=1] 111 %idx.ext1112 = zext i32 %startoffset.0.ph to i64 ; <i64> [#uses=1] 112 %add.ptr1113 = getelementptr i8, i8* %laststart.7.ph, i64 %idx.ext1112 ; <i8*> [#uses=2] 113 %sub.ptr.rhs.cast1121 = ptrtoint i8* %add.ptr1113 to i64 ; <i64> [#uses=1] 114 call fastcc void @insert_op1(i32 %cond1109, i8* %add.ptr1113, i32 undef, i8* %b.4.ph) ssp 115 br label %if.end1126 116 117 if.end1126: ; preds = %if.else1101, %if.then1091 118 %sub.ptr.lhs.cast1135.pre-phi = phi i64 [ %sub.ptr.rhs.cast1121, %if.else1101 ], [ %sub.ptr.lhs.cast1135.pre, %if.then1091 ] ; <i64> [#uses=1] 119 %add.ptr1128 = getelementptr i8, i8* %b.4.ph, i64 3 ; <i8*> [#uses=1] 120 %sub.ptr.rhs.cast1136 = ptrtoint i8* %add.ptr1128 to i64 ; <i64> [#uses=1] 121 %sub.ptr.sub1137 = sub i64 %sub.ptr.lhs.cast1135.pre-phi, %sub.ptr.rhs.cast1136 ; <i64> [#uses=1] 122 %sub.ptr.sub11378527 = trunc i64 %sub.ptr.sub1137 to i32 ; <i32> [#uses=1] 123 %conv1139 = add i32 %sub.ptr.sub11378527, -3 ; <i32> [#uses=1] 124 store i8 undef, i8* undef 125 %shr10.i8599 = lshr i32 %conv1139, 8 ; <i32> [#uses=1] 126 %conv6.i8600 = trunc i32 %shr10.i8599 to i8 ; <i8> [#uses=1] 127 store i8 %conv6.i8600, i8* undef 128 br label %while.body 129 130 if.end1294: ; preds = %while.cond1267.preheader 131 ret i32 12 132 133 do.body3527: ; preds = %if.end127 134 br i1 undef, label %do.end3536, label %if.then3531 135 136 if.then3531: ; preds = %do.body3527 137 unreachable 138 139 do.end3536: ; preds = %do.body3527 140 ret i32 5 141 142 handle_interval: ; preds = %if.end127 143 br i1 undef, label %do.body4547, label %cond.false4583 144 145 do.body4547: ; preds = %handle_interval 146 br i1 undef, label %do.end4556, label %if.then4551 147 148 if.then4551: ; preds = %do.body4547 149 unreachable 150 151 do.end4556: ; preds = %do.body4547 152 ret i32 9 153 154 cond.false4583: ; preds = %handle_interval 155 unreachable 156 157 return: ; preds = %if.end1006, %do.body994, %while.cond1267.preheader, %entry 158 ret i32 undef 159 } 160 161 declare i8* @xrealloc(i8*, i64) ssp 162 163 declare fastcc i8* @skip_one_char(i8*) nounwind readonly ssp 164 165 declare fastcc void @insert_op1(i32, i8*, i32, i8*) nounwind ssp 166
