Files
allwpilib/upstream_utils/llvm_patches/0012-Remove-EpochTracker.patch
2022-05-20 15:59:53 -07:00

92 lines
3.2 KiB
Diff

From ba61e94bf9e2273b6a2e5d3d4b2bb74f76536b19 Mon Sep 17 00:00:00 2001
From: PJ Reiniger <pj.reiniger@gmail.com>
Date: Sat, 7 May 2022 23:08:15 -0400
Subject: [PATCH 12/31] Remove EpochTracker
---
llvm/include/llvm/ADT/SmallPtrSet.h | 14 ++++----------
llvm/lib/Support/SmallPtrSet.cpp | 1 -
2 files changed, 4 insertions(+), 11 deletions(-)
diff --git a/llvm/include/llvm/ADT/SmallPtrSet.h b/llvm/include/llvm/ADT/SmallPtrSet.h
index e46a5171e301..2edc1f5e2066 100644
--- a/llvm/include/llvm/ADT/SmallPtrSet.h
+++ b/llvm/include/llvm/ADT/SmallPtrSet.h
@@ -14,7 +14,6 @@
#ifndef LLVM_ADT_SMALLPTRSET_H
#define LLVM_ADT_SMALLPTRSET_H
-#include "llvm/ADT/EpochTracker.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/ReverseIteration.h"
#include "llvm/Support/type_traits.h"
@@ -46,7 +45,7 @@ namespace llvm {
/// (-2), to allow deletion. The hash table is resized when the table is 3/4 or
/// more. When this happens, the table is doubled in size.
///
-class SmallPtrSetImplBase : public DebugEpochBase {
+class SmallPtrSetImplBase {
friend class SmallPtrSetIteratorImpl;
protected:
@@ -92,7 +91,6 @@ public:
size_type size() const { return NumNonEmpty - NumTombstones; }
void clear() {
- incrementEpoch();
// If the capacity of the array is huge, and the # elements used is small,
// shrink the array.
if (!isSmall()) {
@@ -139,14 +137,12 @@ protected:
if (LastTombstone != nullptr) {
*LastTombstone = Ptr;
--NumTombstones;
- incrementEpoch();
return std::make_pair(LastTombstone, true);
}
// Nope, there isn't. If we stay small, just 'pushback' now.
if (NumNonEmpty < CurArraySize) {
SmallArray[NumNonEmpty++] = Ptr;
- incrementEpoch();
return std::make_pair(SmallArray + (NumNonEmpty - 1), true);
}
// Otherwise, hit the big set case, which will call grow.
@@ -259,8 +255,7 @@ protected:
/// SmallPtrSetIterator - This implements a const_iterator for SmallPtrSet.
template <typename PtrTy>
-class SmallPtrSetIterator : public SmallPtrSetIteratorImpl,
- DebugEpochBase::HandleBase {
+class SmallPtrSetIterator : public SmallPtrSetIteratorImpl {
using PtrTraits = PointerLikeTypeTraits<PtrTy>;
public:
@@ -270,9 +265,8 @@ public:
using difference_type = std::ptrdiff_t;
using iterator_category = std::forward_iterator_tag;
- explicit SmallPtrSetIterator(const void *const *BP, const void *const *E,
- const DebugEpochBase &Epoch)
- : SmallPtrSetIteratorImpl(BP, E), DebugEpochBase::HandleBase(&Epoch) {}
+ explicit SmallPtrSetIterator(const void *const *BP, const void *const *E)
+ : SmallPtrSetIteratorImpl(BP, E) {}
// Most methods are provided by the base class.
diff --git a/llvm/lib/Support/SmallPtrSet.cpp b/llvm/lib/Support/SmallPtrSet.cpp
index f6e2dfb8a6c9..4549db08e3ee 100644
--- a/llvm/lib/Support/SmallPtrSet.cpp
+++ b/llvm/lib/Support/SmallPtrSet.cpp
@@ -59,7 +59,6 @@ SmallPtrSetImplBase::insert_imp_big(const void *Ptr) {
else
++NumNonEmpty; // Track density.
*Bucket = Ptr;
- incrementEpoch();
return std::make_pair(Bucket, true);
}
--
2.20.1.windows.1