From 226dd2ba992b1f00491c10c59ca1889825bf92b6 Mon Sep 17 00:00:00 2001
From: Torok Edwin <edwintorok@gmail.com>
Date: Tue, 30 Mar 2010 10:25:08 +0000
Subject: [PATCH] Revert 99881, it brooke smooshlab's llvm-gcc-i386-darwin9.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99882 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/Support/Allocator.h     |  6 ------
 lib/CodeGen/LiveIntervalAnalysis.cpp |  7 +------
 lib/Support/Allocator.cpp            | 15 ---------------
 3 files changed, 1 insertion(+), 27 deletions(-)

diff --git a/include/llvm/Support/Allocator.h b/include/llvm/Support/Allocator.h
index a58b9db27fa..b1f59dc05e7 100644
--- a/include/llvm/Support/Allocator.h
+++ b/include/llvm/Support/Allocator.h
@@ -134,7 +134,6 @@ class BumpPtrAllocator {
   static MallocSlabAllocator DefaultSlabAllocator;
 
 public:
-  typedef void (*DTorFunction)(void*);
   BumpPtrAllocator(size_t size = 4096, size_t threshold = 4096,
                    SlabAllocator &allocator = DefaultSlabAllocator);
   ~BumpPtrAllocator();
@@ -143,11 +142,6 @@ public:
   /// to the beginning of it, freeing all memory allocated so far.
   void Reset();
 
-  /// Reset - like Reset(), but call DTorFunction for each allocated
-  /// object. This assumes that all objects allocated with this allocator
-  /// had the same size and alignment specified here.
-  void Reset(size_t Size, size_t Alignment, DTorFunction DTor);
-
   /// Allocate - Allocate space at the specified alignment.
   ///
   void *Allocate(size_t Size, size_t Alignment);
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 53366b9f074..e657c46c721 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -82,11 +82,6 @@ void LiveIntervals::getAnalysisUsage(AnalysisUsage &AU) const {
   MachineFunctionPass::getAnalysisUsage(AU);
 }
 
-static void VNInfoDTor(void* Ptr)
-{
-   reinterpret_cast<VNInfo*>(Ptr)->~VNInfo();
-}
-
 void LiveIntervals::releaseMemory() {
   // Free the live intervals themselves.
   for (DenseMap<unsigned, LiveInterval*>::iterator I = r2iMap_.begin(),
@@ -96,7 +91,7 @@ void LiveIntervals::releaseMemory() {
   r2iMap_.clear();
 
   // Release VNInfo memroy regions after all VNInfo objects are dtor'd.
-  VNInfoAllocator.Reset((unsigned)sizeof(VNInfo), alignof<VNInfo>(), VNInfoDTor);
+  VNInfoAllocator.Reset();
   while (!CloneMIs.empty()) {
     MachineInstr *MI = CloneMIs.back();
     CloneMIs.pop_back();
diff --git a/lib/Support/Allocator.cpp b/lib/Support/Allocator.cpp
index 7433247c237..31b45c8d4aa 100644
--- a/lib/Support/Allocator.cpp
+++ b/lib/Support/Allocator.cpp
@@ -78,21 +78,6 @@ void BumpPtrAllocator::Reset() {
   End = ((char*)CurSlab) + CurSlab->Size;
 }
 
-void BumpPtrAllocator::Reset(size_t Size, size_t Alignment, DTorFunction DTor) {
-  if (Alignment == 0) Alignment = 1;
-  MemSlab *Slab = CurSlab;
-  while (Slab) {
-    char *End = Slab == CurSlab ? CurPtr : (char*)Slab + Slab->Size;
-    for (char *Ptr = (char*)Slab+1; Ptr < End; Ptr += Size) {
-	Ptr = AlignPtr(Ptr, Alignment);
-	if (Ptr + Size <= End)
-	    DTor(Ptr);
-    }
-    Slab = Slab->NextPtr;
-  }
-  Reset();
-}
-
 /// Allocate - Allocate space at the specified alignment.
 ///
 void *BumpPtrAllocator::Allocate(size_t Size, size_t Alignment) {