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