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; RUN: llc -relocation-model=pic < %s | grep ":$" | sort | uniq -d | count 0
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target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:32-n32"
target triple = "thumbv7-apple-darwin10"
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; This function produces a duplicate LPC label unless special care is taken when duplicating a t2LDRpci_pic instruction.
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%struct.PlatformMutex = type { i32 , [ 40 x i8 ] }
%struct.SpinLock = type { %struct.PlatformMutex }
%"struct.WTF::TCMalloc_ThreadCache" = type { i32 , %struct._opaque_pthread_t * , i8 , [ 68 x %"struct.WTF::TCMalloc_ThreadCache_FreeList" ] , i32 , i32 , %"struct.WTF::TCMalloc_ThreadCache" * , %"struct.WTF::TCMalloc_ThreadCache" * }
%"struct.WTF::TCMalloc_ThreadCache_FreeList" = type { i8 * , i16 , i16 }
%struct.__darwin_pthread_handler_rec = type { void ( i8 * ) * , i8 * , %struct.__darwin_pthread_handler_rec * }
%struct._opaque_pthread_t = type { i32 , %struct.__darwin_pthread_handler_rec * , [ 596 x i8 ] }
@_ZN3WTFL8heap_keyE = internal global i32 0 ; <i32*> [#uses=1]
@_ZN3WTFL10tsd_initedE.b = internal global i1 false ; <i1*> [#uses=2]
@_ZN3WTFL13pageheap_lockE = internal global %struct.SpinLock { %struct.PlatformMutex { i32 850045863 , [ 40 x i8 ] zeroinitializer } } ; <%struct.SpinLock*> [#uses=1]
@_ZN3WTFL12thread_heapsE = internal global %"struct.WTF::TCMalloc_ThreadCache" * null ; <%"struct.WTF::TCMalloc_ThreadCache"**> [#uses=1]
@llvm.used = appending global [ 1 x i8 * ] [ i8 * bitcast ( %"struct.WTF::TCMalloc_ThreadCache" * ( ) * @_ZN3WTF20TCMalloc_ThreadCache22CreateCacheIfNecessaryEv to i8 * ) ] , section "llvm.metadata" ; <[1 x i8*]*> [#uses=0]
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define %"struct.WTF::TCMalloc_ThreadCache" * @_ZN3WTF20TCMalloc_ThreadCache22CreateCacheIfNecessaryEv ( ) nounwind {
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entry:
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%0 = tail call i32 @pthread_mutex_lock ( %struct.PlatformMutex * getelementptr inbounds ( %struct.SpinLock * @_ZN3WTFL13pageheap_lockE , i32 0 , i32 0 ) ) nounwind
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%.b24 = load i1 * @_ZN3WTFL10tsd_initedE.b , align 4 ; <i1> [#uses=1]
br i1 %.b24 , label %bb5 , label %bb6
bb5: ; preds = %entry
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%1 = tail call %struct._opaque_pthread_t * @pthread_self ( ) nounwind
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br label %bb6
bb6: ; preds = %bb5, %entry
%me.0 = phi %struct._opaque_pthread_t * [ %1 , %bb5 ] , [ null , %entry ] ; <%struct._opaque_pthread_t*> [#uses=2]
br label %bb11
bb7: ; preds = %bb11
%2 = getelementptr inbounds %"struct.WTF::TCMalloc_ThreadCache" * %h.0 , i32 0 , i32 1
%3 = load %struct._opaque_pthread_t * * %2 , align 4
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%4 = tail call i32 @pthread_equal ( %struct._opaque_pthread_t * %3 , %struct._opaque_pthread_t * %me.0 ) nounwind
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%5 = icmp eq i32 %4 , 0
br i1 %5 , label %bb10 , label %bb14
bb10: ; preds = %bb7
%6 = getelementptr inbounds %"struct.WTF::TCMalloc_ThreadCache" * %h.0 , i32 0 , i32 6
br label %bb11
bb11: ; preds = %bb10, %bb6
%h.0.in = phi %"struct.WTF::TCMalloc_ThreadCache" * * [ @_ZN3WTFL12thread_heapsE , %bb6 ] , [ %6 , %bb10 ] ; <%"struct.WTF::TCMalloc_ThreadCache"**> [#uses=1]
%h.0 = load %"struct.WTF::TCMalloc_ThreadCache" * * %h.0.in , align 4 ; <%"struct.WTF::TCMalloc_ThreadCache"*> [#uses=4]
%7 = icmp eq %"struct.WTF::TCMalloc_ThreadCache" * %h.0 , null
br i1 %7 , label %bb13 , label %bb7
bb13: ; preds = %bb11
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%8 = tail call %"struct.WTF::TCMalloc_ThreadCache" * @_ZN3WTF20TCMalloc_ThreadCache7NewHeapEP17_opaque_pthread_t ( %struct._opaque_pthread_t * %me.0 ) nounwind
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br label %bb14
bb14: ; preds = %bb13, %bb7
%heap.1 = phi %"struct.WTF::TCMalloc_ThreadCache" * [ %8 , %bb13 ] , [ %h.0 , %bb7 ] ; <%"struct.WTF::TCMalloc_ThreadCache"*> [#uses=4]
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%9 = tail call i32 @pthread_mutex_unlock ( %struct.PlatformMutex * getelementptr inbounds ( %struct.SpinLock * @_ZN3WTFL13pageheap_lockE , i32 0 , i32 0 ) ) nounwind
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%10 = getelementptr inbounds %"struct.WTF::TCMalloc_ThreadCache" * %heap.1 , i32 0 , i32 2
%11 = load i8 * %10 , align 4
%toBool15not = icmp eq i8 %11 , 0 ; <i1> [#uses=1]
br i1 %toBool15not , label %bb19 , label %bb22
bb19: ; preds = %bb14
%.b = load i1 * @_ZN3WTFL10tsd_initedE.b , align 4 ; <i1> [#uses=1]
br i1 %.b , label %bb21 , label %bb22
bb21: ; preds = %bb19
store i8 1 , i8 * %10 , align 4
%12 = load i32 * @_ZN3WTFL8heap_keyE , align 4
%13 = bitcast %"struct.WTF::TCMalloc_ThreadCache" * %heap.1 to i8 *
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%14 = tail call i32 @pthread_setspecific ( i32 %12 , i8 * %13 ) nounwind
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ret %"struct.WTF::TCMalloc_ThreadCache" * %heap.1
bb22: ; preds = %bb19, %bb14
ret %"struct.WTF::TCMalloc_ThreadCache" * %heap.1
}
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declare i32 @pthread_mutex_lock ( %struct.PlatformMutex * )
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declare i32 @pthread_mutex_unlock ( %struct.PlatformMutex * )
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declare hidden %"struct.WTF::TCMalloc_ThreadCache" * @_ZN3WTF20TCMalloc_ThreadCache7NewHeapEP17_opaque_pthread_t ( %struct._opaque_pthread_t * ) nounwind
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declare i32 @pthread_setspecific ( i32 , i8 * )
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declare %struct._opaque_pthread_t * @pthread_self ( )
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declare i32 @pthread_equal ( %struct._opaque_pthread_t * , %struct._opaque_pthread_t * )
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