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      1 ; RUN: llc -mtriple=powerpc64-bgq-linux -mcpu=a2 < %s
      2 target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64"
      3 target triple = "powerpc64-bgq-linux"
      4 
      5 %"class.std::__1::__assoc_sub_state" = type { %"class.std::__1::__shared_count", %"class.std::__exception_ptr::exception_ptr", %"class.std::__1::mutex", %"class.std::__1::condition_variable", i32 }
      6 %"class.std::__1::__shared_count" = type { i32 (...)**, i64 }
      7 %"class.std::__exception_ptr::exception_ptr" = type { i8* }
      8 %"class.std::__1::mutex" = type { %union.pthread_mutex_t }
      9 %union.pthread_mutex_t = type { %"struct.<anonymous union>::__pthread_mutex_s" }
     10 %"struct.<anonymous union>::__pthread_mutex_s" = type { i32, i32, i32, i32, i32, i32, %struct.__pthread_internal_list }
     11 %struct.__pthread_internal_list = type { %struct.__pthread_internal_list*, %struct.__pthread_internal_list* }
     12 %"class.std::__1::condition_variable" = type { %union.pthread_cond_t }
     13 %union.pthread_cond_t = type { %struct.anon }
     14 %struct.anon = type { i32, i32, i64, i64, i64, i8*, i32, i32 }
     15 %"class.std::__1::unique_lock" = type { %"class.std::__1::mutex"*, i8 }
     16 
     17 declare i32 @__gxx_personality_v0(...)
     18 
     19 ; Function Attrs: optsize
     20 define void @_ZNSt3__117__assoc_sub_state4copyEv(%"class.std::__1::__assoc_sub_state"* %this) #0 align 2 {
     21 entry:
     22   %__lk = alloca %"class.std::__1::unique_lock", align 8
     23   %ref.tmp = alloca %"class.std::__exception_ptr::exception_ptr", align 8
     24   %tmp = alloca { i64, i64 }, align 8
     25   %agg.tmp = alloca %"class.std::__exception_ptr::exception_ptr", align 8
     26   %__mut_ = getelementptr inbounds %"class.std::__1::__assoc_sub_state"* %this, i64 0, i32 2
     27   %__m_.i.i = getelementptr inbounds %"class.std::__1::unique_lock"* %__lk, i64 0, i32 0
     28   store %"class.std::__1::mutex"* %__mut_, %"class.std::__1::mutex"** %__m_.i.i, align 8, !tbaa !5
     29   %__owns_.i.i = getelementptr inbounds %"class.std::__1::unique_lock"* %__lk, i64 0, i32 1
     30   store i8 1, i8* %__owns_.i.i, align 8, !tbaa !6
     31   call void @_ZNSt3__15mutex4lockEv(%"class.std::__1::mutex"* %__mut_) #4
     32   invoke void @_ZNSt3__117__assoc_sub_state10__sub_waitERNS_11unique_lockINS_5mutexEEE(%"class.std::__1::__assoc_sub_state"* %this, %"class.std::__1::unique_lock"* %__lk) #4
     33           to label %invoke.cont unwind label %lpad
     34 
     35 invoke.cont:                                      ; preds = %entry
     36   %__exception_ = getelementptr inbounds %"class.std::__1::__assoc_sub_state"* %this, i64 0, i32 1
     37   %0 = bitcast { i64, i64 }* %tmp to i8*
     38   call void @llvm.memset.p0i8.i64(i8* %0, i8 0, i64 16, i32 8, i1 false)
     39   call void @_ZNSt15__exception_ptr13exception_ptrC1EMS0_FvvE(%"class.std::__exception_ptr::exception_ptr"* %ref.tmp, { i64, i64 }* byval %tmp) #5
     40   %call = call zeroext i1 @_ZNSt15__exception_ptrneERKNS_13exception_ptrES2_(%"class.std::__exception_ptr::exception_ptr"* %__exception_, %"class.std::__exception_ptr::exception_ptr"* %ref.tmp) #5
     41   call void @_ZNSt15__exception_ptr13exception_ptrD1Ev(%"class.std::__exception_ptr::exception_ptr"* %ref.tmp) #5
     42   br i1 %call, label %if.then, label %if.end
     43 
     44 if.then:                                          ; preds = %invoke.cont
     45   call void @_ZNSt15__exception_ptr13exception_ptrC1ERKS0_(%"class.std::__exception_ptr::exception_ptr"* %agg.tmp, %"class.std::__exception_ptr::exception_ptr"* %__exception_) #5
     46   invoke void @_ZSt17rethrow_exceptionNSt15__exception_ptr13exception_ptrE(%"class.std::__exception_ptr::exception_ptr"* %agg.tmp) #6
     47           to label %invoke.cont4 unwind label %lpad3
     48 
     49 invoke.cont4:                                     ; preds = %if.then
     50   unreachable
     51 
     52 lpad:                                             ; preds = %entry
     53   %1 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
     54           cleanup
     55   %2 = extractvalue { i8*, i32 } %1, 0
     56   %3 = extractvalue { i8*, i32 } %1, 1
     57   br label %ehcleanup
     58 
     59 lpad3:                                            ; preds = %if.then
     60   %4 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
     61           cleanup
     62   %5 = extractvalue { i8*, i32 } %4, 0
     63   %6 = extractvalue { i8*, i32 } %4, 1
     64   call void @_ZNSt15__exception_ptr13exception_ptrD1Ev(%"class.std::__exception_ptr::exception_ptr"* %agg.tmp) #5
     65   br label %ehcleanup
     66 
     67 if.end:                                           ; preds = %invoke.cont
     68   %7 = load i8* %__owns_.i.i, align 8, !tbaa !6, !range !4
     69   %tobool.i.i = icmp eq i8 %7, 0
     70   br i1 %tobool.i.i, label %_ZNSt3__111unique_lockINS_5mutexEED1Ev.exit, label %if.then.i.i
     71 
     72 if.then.i.i:                                      ; preds = %if.end
     73   %8 = load %"class.std::__1::mutex"** %__m_.i.i, align 8, !tbaa !5
     74   call void @_ZNSt3__15mutex6unlockEv(%"class.std::__1::mutex"* %8) #5
     75   br label %_ZNSt3__111unique_lockINS_5mutexEED1Ev.exit
     76 
     77 _ZNSt3__111unique_lockINS_5mutexEED1Ev.exit:      ; preds = %if.then.i.i, %if.end
     78   ret void
     79 
     80 ehcleanup:                                        ; preds = %lpad3, %lpad
     81   %exn.slot.0 = phi i8* [ %5, %lpad3 ], [ %2, %lpad ]
     82   %ehselector.slot.0 = phi i32 [ %6, %lpad3 ], [ %3, %lpad ]
     83   %9 = load i8* %__owns_.i.i, align 8, !tbaa !6, !range !4
     84   %tobool.i.i9 = icmp eq i8 %9, 0
     85   br i1 %tobool.i.i9, label %_ZNSt3__111unique_lockINS_5mutexEED1Ev.exit12, label %if.then.i.i11
     86 
     87 if.then.i.i11:                                    ; preds = %ehcleanup
     88   %10 = load %"class.std::__1::mutex"** %__m_.i.i, align 8, !tbaa !5
     89   call void @_ZNSt3__15mutex6unlockEv(%"class.std::__1::mutex"* %10) #5
     90   br label %_ZNSt3__111unique_lockINS_5mutexEED1Ev.exit12
     91 
     92 _ZNSt3__111unique_lockINS_5mutexEED1Ev.exit12:    ; preds = %if.then.i.i11, %ehcleanup
     93   %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn.slot.0, 0
     94   %lpad.val5 = insertvalue { i8*, i32 } %lpad.val, i32 %ehselector.slot.0, 1
     95   resume { i8*, i32 } %lpad.val5
     96 }
     97 
     98 ; Function Attrs: optsize
     99 declare void @_ZNSt3__117__assoc_sub_state10__sub_waitERNS_11unique_lockINS_5mutexEEE(%"class.std::__1::__assoc_sub_state"*, %"class.std::__1::unique_lock"*) #0 align 2
    100 
    101 ; Function Attrs: nounwind optsize
    102 declare zeroext i1 @_ZNSt15__exception_ptrneERKNS_13exception_ptrES2_(%"class.std::__exception_ptr::exception_ptr"*, %"class.std::__exception_ptr::exception_ptr"*) #1
    103 
    104 ; Function Attrs: nounwind optsize
    105 declare void @_ZNSt15__exception_ptr13exception_ptrC1EMS0_FvvE(%"class.std::__exception_ptr::exception_ptr"*, { i64, i64 }* byval) #1
    106 
    107 ; Function Attrs: nounwind optsize
    108 declare void @_ZNSt15__exception_ptr13exception_ptrD1Ev(%"class.std::__exception_ptr::exception_ptr"*) #1
    109 
    110 ; Function Attrs: noreturn optsize
    111 declare void @_ZSt17rethrow_exceptionNSt15__exception_ptr13exception_ptrE(%"class.std::__exception_ptr::exception_ptr"*) #2
    112 
    113 ; Function Attrs: nounwind optsize
    114 declare void @_ZNSt15__exception_ptr13exception_ptrC1ERKS0_(%"class.std::__exception_ptr::exception_ptr"*, %"class.std::__exception_ptr::exception_ptr"*) #1
    115 
    116 ; Function Attrs: nounwind optsize
    117 declare void @_ZNSt3__15mutex6unlockEv(%"class.std::__1::mutex"*) #1
    118 
    119 ; Function Attrs: optsize
    120 declare void @_ZNSt3__15mutex4lockEv(%"class.std::__1::mutex"*) #0
    121 
    122 ; Function Attrs: nounwind
    123 declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) #3
    124 
    125 attributes #0 = { optsize "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
    126 attributes #1 = { nounwind optsize "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
    127 attributes #2 = { noreturn optsize "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
    128 attributes #3 = { nounwind }
    129 attributes #4 = { optsize }
    130 attributes #5 = { nounwind optsize }
    131 attributes #6 = { noreturn optsize }
    132 
    133 !0 = metadata !{metadata !"any pointer", metadata !1}
    134 !1 = metadata !{metadata !"omnipotent char", metadata !2}
    135 !2 = metadata !{metadata !"Simple C/C++ TBAA"}
    136 !3 = metadata !{metadata !"bool", metadata !1}
    137 !4 = metadata !{i8 0, i8 2}
    138 !5 = metadata !{metadata !0, metadata !0, i64 0}
    139 !6 = metadata !{metadata !3, metadata !3, i64 0}
    140