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; RUN: llc < %s -mtriple=x86_64-apple-darwin10
; PR4587
; rdar://7072590
%struct.re_pattern_buffer = type <{ i8*, i64, i64, i64, i8*, i64, i64, i8, i8, i8, i8, i8, i8, i8, i8 }>
define fastcc i32 @regex_compile(i8* %pattern, i64 %size, i64 %syntax, %struct.re_pattern_buffer* nocapture %bufp) nounwind ssp {
entry:
br i1 undef, label %return, label %if.end
if.end: ; preds = %entry
%tmp35 = getelementptr %struct.re_pattern_buffer, %struct.re_pattern_buffer* %bufp, i64 0, i32 3 ; <i64*> [#uses=1]
store i64 %syntax, i64* %tmp35
store i32 undef, i32* undef
br i1 undef, label %if.then66, label %if.end102
if.then66: ; preds = %if.end
br i1 false, label %if.else, label %if.then70
if.then70: ; preds = %if.then66
%call74 = call i8* @xrealloc(i8* undef, i64 32) nounwind ssp ; <i8*> [#uses=0]
unreachable
if.else: ; preds = %if.then66
br i1 false, label %do.body86, label %if.end99
do.body86: ; preds = %if.else
br i1 false, label %do.end, label %if.then90
if.then90: ; preds = %do.body86
unreachable
do.end: ; preds = %do.body86
ret i32 12
if.end99: ; preds = %if.else
br label %if.end102
if.end102: ; preds = %if.end99, %if.end
br label %while.body
while.body: ; preds = %if.end1126, %sw.bb532, %while.body, %if.end102
%laststart.2 = phi i8* [ null, %if.end102 ], [ %laststart.7.ph, %if.end1126 ], [ %laststart.2, %sw.bb532 ], [ %laststart.2, %while.body ] ; <i8*> [#uses=6]
%b.1 = phi i8* [ undef, %if.end102 ], [ %ctg29688, %if.end1126 ], [ %b.1, %sw.bb532 ], [ %b.1, %while.body ] ; <i8*> [#uses=5]
br i1 undef, label %while.body, label %if.end127
if.end127: ; preds = %while.body
switch i32 undef, label %sw.bb532 [
i32 123, label %handle_interval
i32 92, label %do.body3527
]
sw.bb532: ; preds = %if.end127
br i1 undef, label %while.body, label %if.end808
if.end808: ; preds = %sw.bb532
br i1 undef, label %while.cond1267.preheader, label %if.then811
while.cond1267.preheader: ; preds = %if.end808
br i1 false, label %return, label %if.end1294
if.then811: ; preds = %if.end808
%call817 = call fastcc i8* @skip_one_char(i8* %laststart.2) ssp ; <i8*> [#uses=0]
br i1 undef, label %cond.end834, label %lor.lhs.false827
lor.lhs.false827: ; preds = %if.then811
br label %cond.end834
cond.end834: ; preds = %lor.lhs.false827, %if.then811
br i1 undef, label %land.lhs.true838, label %while.cond979.preheader
land.lhs.true838: ; preds = %cond.end834
br i1 undef, label %if.then842, label %while.cond979.preheader
if.then842: ; preds = %land.lhs.true838
%conv851 = trunc i64 undef to i32 ; <i32> [#uses=1]
br label %while.cond979.preheader
while.cond979.preheader: ; preds = %if.then842, %land.lhs.true838, %cond.end834
%startoffset.0.ph = phi i32 [ 0, %cond.end834 ], [ 0, %land.lhs.true838 ], [ %conv851, %if.then842 ] ; <i32> [#uses=2]
%laststart.7.ph = phi i8* [ %laststart.2, %cond.end834 ], [ %laststart.2, %land.lhs.true838 ], [ %laststart.2, %if.then842 ] ; <i8*> [#uses=3]
%b.4.ph = phi i8* [ %b.1, %cond.end834 ], [ %b.1, %land.lhs.true838 ], [ %b.1, %if.then842 ] ; <i8*> [#uses=3]
%ctg29688 = getelementptr i8, i8* %b.4.ph, i64 6 ; <i8*> [#uses=1]
br label %while.cond979
while.cond979: ; preds = %if.end1006, %while.cond979.preheader
%cmp991 = icmp ugt i64 undef, 0 ; <i1> [#uses=1]
br i1 %cmp991, label %do.body994, label %while.end1088
do.body994: ; preds = %while.cond979
br i1 undef, label %return, label %if.end1006
if.end1006: ; preds = %do.body994
%cmp1014 = icmp ugt i64 undef, 32768 ; <i1> [#uses=1]
%storemerge10953 = select i1 %cmp1014, i64 32768, i64 undef ; <i64> [#uses=1]
store i64 %storemerge10953, i64* undef
br i1 false, label %return, label %while.cond979
while.end1088: ; preds = %while.cond979
br i1 undef, label %if.then1091, label %if.else1101
if.then1091: ; preds = %while.end1088
store i8 undef, i8* undef
%idx.ext1132.pre = zext i32 %startoffset.0.ph to i64 ; <i64> [#uses=1]
%add.ptr1133.pre = getelementptr i8, i8* %laststart.7.ph, i64 %idx.ext1132.pre ; <i8*> [#uses=1]
%sub.ptr.lhs.cast1135.pre = ptrtoint i8* %add.ptr1133.pre to i64 ; <i64> [#uses=1]
br label %if.end1126
if.else1101: ; preds = %while.end1088
%cond1109 = select i1 undef, i32 18, i32 14 ; <i32> [#uses=1]
%idx.ext1112 = zext i32 %startoffset.0.ph to i64 ; <i64> [#uses=1]
%add.ptr1113 = getelementptr i8, i8* %laststart.7.ph, i64 %idx.ext1112 ; <i8*> [#uses=2]
%sub.ptr.rhs.cast1121 = ptrtoint i8* %add.ptr1113 to i64 ; <i64> [#uses=1]
call fastcc void @insert_op1(i32 %cond1109, i8* %add.ptr1113, i32 undef, i8* %b.4.ph) ssp
br label %if.end1126
if.end1126: ; preds = %if.else1101, %if.then1091
%sub.ptr.lhs.cast1135.pre-phi = phi i64 [ %sub.ptr.rhs.cast1121, %if.else1101 ], [ %sub.ptr.lhs.cast1135.pre, %if.then1091 ] ; <i64> [#uses=1]
%add.ptr1128 = getelementptr i8, i8* %b.4.ph, i64 3 ; <i8*> [#uses=1]
%sub.ptr.rhs.cast1136 = ptrtoint i8* %add.ptr1128 to i64 ; <i64> [#uses=1]
%sub.ptr.sub1137 = sub i64 %sub.ptr.lhs.cast1135.pre-phi, %sub.ptr.rhs.cast1136 ; <i64> [#uses=1]
%sub.ptr.sub11378527 = trunc i64 %sub.ptr.sub1137 to i32 ; <i32> [#uses=1]
%conv1139 = add i32 %sub.ptr.sub11378527, -3 ; <i32> [#uses=1]
store i8 undef, i8* undef
%shr10.i8599 = lshr i32 %conv1139, 8 ; <i32> [#uses=1]
%conv6.i8600 = trunc i32 %shr10.i8599 to i8 ; <i8> [#uses=1]
store i8 %conv6.i8600, i8* undef
br label %while.body
if.end1294: ; preds = %while.cond1267.preheader
ret i32 12
do.body3527: ; preds = %if.end127
br i1 undef, label %do.end3536, label %if.then3531
if.then3531: ; preds = %do.body3527
unreachable
do.end3536: ; preds = %do.body3527
ret i32 5
handle_interval: ; preds = %if.end127
br i1 undef, label %do.body4547, label %cond.false4583
do.body4547: ; preds = %handle_interval
br i1 undef, label %do.end4556, label %if.then4551
if.then4551: ; preds = %do.body4547
unreachable
do.end4556: ; preds = %do.body4547
ret i32 9
cond.false4583: ; preds = %handle_interval
unreachable
return: ; preds = %if.end1006, %do.body994, %while.cond1267.preheader, %entry
ret i32 undef
}
declare i8* @xrealloc(i8*, i64) ssp
declare fastcc i8* @skip_one_char(i8*) nounwind readonly ssp
declare fastcc void @insert_op1(i32, i8*, i32, i8*) nounwind ssp
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