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1; RUN: llc < %s -mtriple=x86_64-apple-darwin102; PR45873; rdar://70725904 5 %struct.re_pattern_buffer = type <{ ptr, i64, i64, i64, ptr, i64, i64, i8, i8, i8, i8, i8, i8, i8, i8 }>6 7define fastcc i32 @regex_compile(ptr %pattern, i64 %size, i64 %syntax, ptr nocapture %bufp) nounwind ssp {8entry:9 br i1 undef, label %return, label %if.end10 11if.end: ; preds = %entry12 %tmp35 = getelementptr %struct.re_pattern_buffer, ptr %bufp, i64 0, i32 3 ; <ptr> [#uses=1]13 store i64 %syntax, ptr %tmp3514 store i32 undef, ptr undef15 br i1 undef, label %if.then66, label %if.end10216 17if.then66: ; preds = %if.end18 br i1 false, label %if.else, label %if.then7019 20if.then70: ; preds = %if.then6621 %call74 = call ptr @xrealloc(ptr undef, i64 32) nounwind ssp ; <ptr> [#uses=0]22 unreachable23 24if.else: ; preds = %if.then6625 br i1 false, label %do.body86, label %if.end9926 27do.body86: ; preds = %if.else28 br i1 false, label %do.end, label %if.then9029 30if.then90: ; preds = %do.body8631 unreachable32 33do.end: ; preds = %do.body8634 ret i32 1235 36if.end99: ; preds = %if.else37 br label %if.end10238 39if.end102: ; preds = %if.end99, %if.end40 br label %while.body41 42while.body: ; preds = %if.end1126, %sw.bb532, %while.body, %if.end10243 %laststart.2 = phi ptr [ null, %if.end102 ], [ %laststart.7.ph, %if.end1126 ], [ %laststart.2, %sw.bb532 ], [ %laststart.2, %while.body ] ; <ptr> [#uses=6]44 %b.1 = phi ptr [ undef, %if.end102 ], [ %ctg29688, %if.end1126 ], [ %b.1, %sw.bb532 ], [ %b.1, %while.body ] ; <ptr> [#uses=5]45 br i1 undef, label %while.body, label %if.end12746 47if.end127: ; preds = %while.body48 switch i32 undef, label %sw.bb532 [49 i32 123, label %handle_interval50 i32 92, label %do.body352751 ]52 53sw.bb532: ; preds = %if.end12754 br i1 undef, label %while.body, label %if.end80855 56if.end808: ; preds = %sw.bb53257 br i1 undef, label %while.cond1267.preheader, label %if.then81158 59while.cond1267.preheader: ; preds = %if.end80860 br i1 false, label %return, label %if.end129461 62if.then811: ; preds = %if.end80863 %call817 = call fastcc ptr @skip_one_char(ptr %laststart.2) ssp ; <ptr> [#uses=0]64 br i1 undef, label %cond.end834, label %lor.lhs.false82765 66lor.lhs.false827: ; preds = %if.then81167 br label %cond.end83468 69cond.end834: ; preds = %lor.lhs.false827, %if.then81170 br i1 undef, label %land.lhs.true838, label %while.cond979.preheader71 72land.lhs.true838: ; preds = %cond.end83473 br i1 undef, label %if.then842, label %while.cond979.preheader74 75if.then842: ; preds = %land.lhs.true83876 %conv851 = trunc i64 undef to i32 ; <i32> [#uses=1]77 br label %while.cond979.preheader78 79while.cond979.preheader: ; preds = %if.then842, %land.lhs.true838, %cond.end83480 %startoffset.0.ph = phi i32 [ 0, %cond.end834 ], [ 0, %land.lhs.true838 ], [ %conv851, %if.then842 ] ; <i32> [#uses=2]81 %laststart.7.ph = phi ptr [ %laststart.2, %cond.end834 ], [ %laststart.2, %land.lhs.true838 ], [ %laststart.2, %if.then842 ] ; <ptr> [#uses=3]82 %b.4.ph = phi ptr [ %b.1, %cond.end834 ], [ %b.1, %land.lhs.true838 ], [ %b.1, %if.then842 ] ; <ptr> [#uses=3]83 %ctg29688 = getelementptr i8, ptr %b.4.ph, i64 6 ; <ptr> [#uses=1]84 br label %while.cond97985 86while.cond979: ; preds = %if.end1006, %while.cond979.preheader87 %cmp991 = icmp ugt i64 undef, 0 ; <i1> [#uses=1]88 br i1 %cmp991, label %do.body994, label %while.end108889 90do.body994: ; preds = %while.cond97991 br i1 undef, label %return, label %if.end100692 93if.end1006: ; preds = %do.body99494 %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, ptr undef97 br i1 false, label %return, label %while.cond97998 99while.end1088: ; preds = %while.cond979100 br i1 undef, label %if.then1091, label %if.else1101101 102if.then1091: ; preds = %while.end1088103 store i8 undef, ptr undef104 %idx.ext1132.pre = zext i32 %startoffset.0.ph to i64 ; <i64> [#uses=1]105 %add.ptr1133.pre = getelementptr i8, ptr %laststart.7.ph, i64 %idx.ext1132.pre ; <ptr> [#uses=1]106 %sub.ptr.lhs.cast1135.pre = ptrtoint ptr %add.ptr1133.pre to i64 ; <i64> [#uses=1]107 br label %if.end1126108 109if.else1101: ; preds = %while.end1088110 %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, ptr %laststart.7.ph, i64 %idx.ext1112 ; <ptr> [#uses=2]113 %sub.ptr.rhs.cast1121 = ptrtoint ptr %add.ptr1113 to i64 ; <i64> [#uses=1]114 call fastcc void @insert_op1(i32 %cond1109, ptr %add.ptr1113, i32 undef, ptr %b.4.ph) ssp115 br label %if.end1126116 117if.end1126: ; preds = %if.else1101, %if.then1091118 %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, ptr %b.4.ph, i64 3 ; <ptr> [#uses=1]120 %sub.ptr.rhs.cast1136 = ptrtoint ptr %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, ptr undef125 %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, ptr undef128 br label %while.body129 130if.end1294: ; preds = %while.cond1267.preheader131 ret i32 12132 133do.body3527: ; preds = %if.end127134 br i1 undef, label %do.end3536, label %if.then3531135 136if.then3531: ; preds = %do.body3527137 unreachable138 139do.end3536: ; preds = %do.body3527140 ret i32 5141 142handle_interval: ; preds = %if.end127143 br i1 undef, label %do.body4547, label %cond.false4583144 145do.body4547: ; preds = %handle_interval146 br i1 undef, label %do.end4556, label %if.then4551147 148if.then4551: ; preds = %do.body4547149 unreachable150 151do.end4556: ; preds = %do.body4547152 ret i32 9153 154cond.false4583: ; preds = %handle_interval155 unreachable156 157return: ; preds = %if.end1006, %do.body994, %while.cond1267.preheader, %entry158 ret i32 undef159}160 161declare ptr @xrealloc(ptr, i64) ssp162 163declare fastcc ptr @skip_one_char(ptr) nounwind readonly ssp164 165declare fastcc void @insert_op1(i32, ptr, i32, ptr) nounwind ssp166