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      1 ; RUN: llc -march=hexagon -O3 < %s
      2 ; REQUIRES: asserts
      3 
      4 target triple = "hexagon"
      5 
      6 %s.0 = type { i32 (...)**, i32, %s.1 }
      7 %s.1 = type { %s.2, %s.5*, %s.6*, i32 }
      8 %s.2 = type { i32 (...)**, i32, i8, i8, i16, i32, i32, %s.3*, %s.4*, i32* }
      9 %s.3 = type { %s.3*, i32, i32, i8* }
     10 %s.4 = type { %s.4*, i32, void (i8, %s.2*, i32)* }
     11 %s.5 = type { i32 (...)**, i8, i32*, i32*, i32**, i32**, i32*, i32*, i32**, i32**, i32*, i32*, i32**, i32**, i32* }
     12 %s.6 = type { i32 (...)**, %s.1 }
     13 %s.7 = type { %s.8, i8 }
     14 %s.8 = type { %s.0* }
     15 
     16 define %s.0* @f0(%s.0* %a0, i32* nocapture %a1, i32 %a2, i32 signext %a3) align 2 personality i8* bitcast (i32 (...)* @f11 to i8*) {
     17 b0:
     18   %v0 = alloca %s.7, align 4
     19   %v1 = getelementptr inbounds %s.0, %s.0* %a0, i32 0, i32 1
     20   store i32 0, i32* %v1, align 4, !tbaa !0
     21   call void @f2(%s.7* %v0, %s.0* %a0, i1 zeroext true)
     22   %v2 = getelementptr inbounds %s.7, %s.7* %v0, i32 0, i32 1
     23   %v3 = load i8, i8* %v2, align 4, !tbaa !4, !range !6
     24   %v4 = icmp ne i8 %v3, 0
     25   %v5 = icmp sgt i32 %a2, 0
     26   %v6 = and i1 %v4, %v5
     27   %v7 = bitcast %s.0* %a0 to i8**
     28   br i1 %v6, label %b2, label %b1
     29 
     30 b1:                                               ; preds = %b0
     31   %v8 = bitcast %s.0* %a0 to i8*
     32   br label %b16
     33 
     34 b2:                                               ; preds = %b0
     35   %v9 = load i8*, i8** %v7, align 4, !tbaa !7
     36   %v10 = getelementptr i8, i8* %v9, i32 -12
     37   %v11 = bitcast i8* %v10 to i32*
     38   %v12 = load i32, i32* %v11, align 4
     39   %v13 = bitcast %s.0* %a0 to i8*
     40   %v14 = add i32 %v12, 32
     41   %v15 = getelementptr inbounds i8, i8* %v13, i32 %v14
     42   %v16 = bitcast i8* %v15 to %s.5**
     43   %v17 = load %s.5*, %s.5** %v16, align 4, !tbaa !9
     44   %v18 = invoke signext i32 @f3(%s.5* %v17)
     45           to label %b3 unwind label %b7
     46 
     47 b3:                                               ; preds = %b2
     48   br label %b4
     49 
     50 b4:                                               ; preds = %b13, %b3
     51   %v19 = phi i32 [ %v68, %b13 ], [ %v18, %b3 ]
     52   %v20 = phi i32 [ %v55, %b13 ], [ %a2, %b3 ]
     53   %v21 = phi i32* [ %v59, %b13 ], [ %a1, %b3 ]
     54   %v22 = icmp eq i32 %v19, -1
     55   br i1 %v22, label %b15, label %b10
     56 
     57 b5:                                               ; preds = %b16, %b9
     58   %v23 = landingpad { i8*, i32 }
     59           cleanup
     60   %v24 = extractvalue { i8*, i32 } %v23, 0
     61   %v25 = extractvalue { i8*, i32 } %v23, 1
     62   br label %b18
     63 
     64 b6:                                               ; preds = %b13
     65   %v26 = landingpad { i8*, i32 }
     66           catch i8* null
     67   br label %b8
     68 
     69 b7:                                               ; preds = %b11, %b2
     70   %v27 = phi i32* [ %v21, %b11 ], [ %a1, %b2 ]
     71   %v28 = landingpad { i8*, i32 }
     72           catch i8* null
     73   br label %b8
     74 
     75 b8:                                               ; preds = %b7, %b6
     76   %v29 = phi i32* [ %v59, %b6 ], [ %v27, %b7 ]
     77   %v30 = phi { i8*, i32 } [ %v26, %b6 ], [ %v28, %b7 ]
     78   %v31 = extractvalue { i8*, i32 } %v30, 0
     79   %v32 = call i8* @f9(i8* %v31) #0
     80   %v33 = load i8*, i8** %v7, align 4, !tbaa !7
     81   %v34 = getelementptr i8, i8* %v33, i32 -12
     82   %v35 = bitcast i8* %v34 to i32*
     83   %v36 = load i32, i32* %v35, align 4
     84   %v37 = getelementptr inbounds i8, i8* %v13, i32 %v36
     85   %v38 = bitcast i8* %v37 to %s.1*
     86   %v39 = add i32 %v36, 8
     87   %v40 = getelementptr inbounds i8, i8* %v13, i32 %v39
     88   %v41 = load i8, i8* %v40, align 1, !tbaa !11
     89   %v42 = or i8 %v41, 4
     90   invoke void @f6(%s.1* %v38, i8 zeroext %v42, i1 zeroext true)
     91           to label %b9 unwind label %b14
     92 
     93 b9:                                               ; preds = %b8
     94   invoke void @f10()
     95           to label %b16 unwind label %b5
     96 
     97 b10:                                              ; preds = %b4
     98   %v43 = icmp eq i32 %v19, %a3
     99   br i1 %v43, label %b11, label %b12
    100 
    101 b11:                                              ; preds = %b10
    102   %v44 = load i32, i32* %v1, align 4, !tbaa !0
    103   %v45 = add nsw i32 %v44, 1
    104   store i32 %v45, i32* %v1, align 4, !tbaa !0
    105   %v46 = load i8*, i8** %v7, align 4, !tbaa !7
    106   %v47 = getelementptr i8, i8* %v46, i32 -12
    107   %v48 = bitcast i8* %v47 to i32*
    108   %v49 = load i32, i32* %v48, align 4
    109   %v50 = add i32 %v49, 32
    110   %v51 = getelementptr inbounds i8, i8* %v13, i32 %v50
    111   %v52 = bitcast i8* %v51 to %s.5**
    112   %v53 = load %s.5*, %s.5** %v52, align 4, !tbaa !9
    113   %v54 = invoke signext i32 @f4(%s.5* %v53)
    114           to label %b16 unwind label %b7
    115 
    116 b12:                                              ; preds = %b10
    117   %v55 = add nsw i32 %v20, -1
    118   %v56 = icmp slt i32 %v55, 1
    119   br i1 %v56, label %b15, label %b13
    120 
    121 b13:                                              ; preds = %b12
    122   %v57 = load i32, i32* %v1, align 4, !tbaa !0
    123   %v58 = add nsw i32 %v57, 1
    124   store i32 %v58, i32* %v1, align 4, !tbaa !0
    125   %v59 = getelementptr inbounds i32, i32* %v21, i32 1
    126   store i32 %v19, i32* %v21, align 4, !tbaa !13
    127   %v60 = load i8*, i8** %v7, align 4, !tbaa !7
    128   %v61 = getelementptr i8, i8* %v60, i32 -12
    129   %v62 = bitcast i8* %v61 to i32*
    130   %v63 = load i32, i32* %v62, align 4
    131   %v64 = add i32 %v63, 32
    132   %v65 = getelementptr inbounds i8, i8* %v13, i32 %v64
    133   %v66 = bitcast i8* %v65 to %s.5**
    134   %v67 = load %s.5*, %s.5** %v66, align 4, !tbaa !9
    135   %v68 = invoke signext i32 @f5(%s.5* %v67)
    136           to label %b4 unwind label %b6
    137 
    138 b14:                                              ; preds = %b8
    139   %v69 = landingpad { i8*, i32 }
    140           cleanup
    141   %v70 = extractvalue { i8*, i32 } %v69, 0
    142   %v71 = extractvalue { i8*, i32 } %v69, 1
    143   invoke void @f10()
    144           to label %b18 unwind label %b20
    145 
    146 b15:                                              ; preds = %b12, %b4
    147   %v72 = phi i8 [ 2, %b12 ], [ 1, %b4 ]
    148   br label %b16
    149 
    150 b16:                                              ; preds = %b15, %b11, %b9, %b1
    151   %v73 = phi i8* [ %v8, %b1 ], [ %v13, %b11 ], [ %v13, %b9 ], [ %v13, %b15 ]
    152   %v74 = phi i8 [ 0, %b1 ], [ 0, %b11 ], [ 0, %b9 ], [ %v72, %b15 ]
    153   %v75 = phi i32* [ %a1, %b1 ], [ %v21, %b11 ], [ %v29, %b9 ], [ %v21, %b15 ]
    154   store i32 0, i32* %v75, align 4, !tbaa !13
    155   %v76 = load i8*, i8** %v7, align 4, !tbaa !7
    156   %v77 = getelementptr i8, i8* %v76, i32 -12
    157   %v78 = bitcast i8* %v77 to i32*
    158   %v79 = load i32, i32* %v78, align 4
    159   %v80 = getelementptr inbounds i8, i8* %v73, i32 %v79
    160   %v81 = bitcast i8* %v80 to %s.1*
    161   %v82 = load i32, i32* %v1, align 4, !tbaa !0
    162   %v83 = icmp eq i32 %v82, 0
    163   %v84 = or i8 %v74, 2
    164   %v85 = select i1 %v83, i8 %v84, i8 %v74
    165   invoke void @f7(%s.1* %v81, i8 zeroext %v85, i1 zeroext false)
    166           to label %b17 unwind label %b5
    167 
    168 b17:                                              ; preds = %b16
    169   %v86 = getelementptr inbounds %s.7, %s.7* %v0, i32 0, i32 0
    170   call void @f1(%s.8* %v86)
    171   ret %s.0* %a0
    172 
    173 b18:                                              ; preds = %b14, %b5
    174   %v87 = phi i8* [ %v24, %b5 ], [ %v70, %b14 ]
    175   %v88 = phi i32 [ %v25, %b5 ], [ %v71, %b14 ]
    176   %v89 = getelementptr inbounds %s.7, %s.7* %v0, i32 0, i32 0
    177   invoke void @f1(%s.8* %v89)
    178           to label %b19 unwind label %b20
    179 
    180 b19:                                              ; preds = %b18
    181   %v90 = insertvalue { i8*, i32 } undef, i8* %v87, 0
    182   %v91 = insertvalue { i8*, i32 } %v90, i32 %v88, 1
    183   resume { i8*, i32 } %v91
    184 
    185 b20:                                              ; preds = %b18, %b14
    186   %v92 = landingpad { i8*, i32 }
    187           catch i8* null
    188   call void @f8() #1
    189   unreachable
    190 }
    191 
    192 declare void @f1(%s.8* nocapture) unnamed_addr align 2
    193 
    194 declare void @f2(%s.7* nocapture, %s.0*, i1 zeroext) unnamed_addr align 2
    195 
    196 declare signext i32 @f3(%s.5*) align 2
    197 
    198 declare signext i32 @f4(%s.5*) align 2
    199 
    200 declare signext i32 @f5(%s.5*) align 2
    201 
    202 declare void @f6(%s.1*, i8 zeroext, i1 zeroext) align 2
    203 
    204 declare void @f7(%s.1*, i8 zeroext, i1 zeroext) align 2
    205 
    206 declare void @f8()
    207 
    208 declare i8* @f9(i8*)
    209 
    210 declare void @f10()
    211 
    212 declare i32 @f11(...)
    213 
    214 attributes #0 = { nounwind }
    215 attributes #1 = { noreturn nounwind }
    216 
    217 !0 = !{!1, !1, i64 0}
    218 !1 = !{!"int", !2}
    219 !2 = !{!"omnipotent char", !3}
    220 !3 = !{!"Simple C/C++ TBAA"}
    221 !4 = !{!5, !5, i64 0}
    222 !5 = !{!"bool", !2}
    223 !6 = !{i8 0, i8 2}
    224 !7 = !{!8, !8, i64 0}
    225 !8 = !{!"vtable pointer", !3}
    226 !9 = !{!10, !10, i64 0}
    227 !10 = !{!"any pointer", !2}
    228 !11 = !{!12, !12, i64 0}
    229 !12 = !{!"_ZTSNSt5_IosbIiE8_IostateE", !2}
    230 !13 = !{!14, !14, i64 0}
    231 !14 = !{!"wchar_t", !2}
    232