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author | Evan Cheng <evan.cheng@apple.com> | 2007-09-05 21:41:34 +0000 |
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committer | Evan Cheng <evan.cheng@apple.com> | 2007-09-05 21:41:34 +0000 |
commit | 188b5224fd9c8573713665c77f9d2f415bcc4ff1 (patch) | |
tree | 6b97248e10a979a06994e1ff05da6d5ee0abeaf0 | |
parent | df344febe27b8fa68424032c4181e494307d6eaf (diff) | |
download | external_llvm-188b5224fd9c8573713665c77f9d2f415bcc4ff1.zip external_llvm-188b5224fd9c8573713665c77f9d2f415bcc4ff1.tar.gz external_llvm-188b5224fd9c8573713665c77f9d2f415bcc4ff1.tar.bz2 |
Added Reset() to free all allocated memory regions and reset state to be the same as right after ctor.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41728 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | include/llvm/Support/Allocator.h | 2 | ||||
-rw-r--r-- | lib/Support/Allocator.cpp | 6 |
2 files changed, 8 insertions, 0 deletions
diff --git a/include/llvm/Support/Allocator.h b/include/llvm/Support/Allocator.h index 527d4c6..f23a41f 100644 --- a/include/llvm/Support/Allocator.h +++ b/include/llvm/Support/Allocator.h @@ -23,6 +23,7 @@ public: MallocAllocator() {} ~MallocAllocator() {} + void Reset() {} void *Allocate(unsigned Size, unsigned Alignment) { return malloc(Size); } void Deallocate(void *Ptr) { free(Ptr); } void PrintStats() const {} @@ -38,6 +39,7 @@ public: BumpPtrAllocator(); ~BumpPtrAllocator(); + void Reset(); void *Allocate(unsigned Size, unsigned Alignment); void Deallocate(void *Ptr) {} void PrintStats() const; diff --git a/lib/Support/Allocator.cpp b/lib/Support/Allocator.cpp index 234fd41..e68c3e2 100644 --- a/lib/Support/Allocator.cpp +++ b/lib/Support/Allocator.cpp @@ -92,6 +92,12 @@ BumpPtrAllocator::~BumpPtrAllocator() { ((MemRegion*)TheMemory)->Deallocate(); } +void BumpPtrAllocator::Reset() { + ((MemRegion*)TheMemory)->Deallocate(); + TheMemory = malloc(4096); + ((MemRegion*)TheMemory)->Init(4096, 1, 0); +} + void *BumpPtrAllocator::Allocate(unsigned Size, unsigned Align) { MemRegion *MRP = (MemRegion*)TheMemory; void *Ptr = MRP->Allocate(Size, Align, &MRP); |