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authorpatrick <patrick@openbsd.org>2020-08-03 15:06:44 +0000
committerpatrick <patrick@openbsd.org>2020-08-03 15:06:44 +0000
commitb64793999546ed8adebaeebd9d8345d18db8927d (patch)
tree4357c27b561d73b0e089727c6ed659f2ceff5f47 /gnu/llvm/lib/MC/ConstantPools.cpp
parentAdd support for UTF-8 DISPLAY-HINTs with octet length. For now only (diff)
downloadwireguard-openbsd-b64793999546ed8adebaeebd9d8345d18db8927d.tar.xz
wireguard-openbsd-b64793999546ed8adebaeebd9d8345d18db8927d.zip
Remove LLVM 8.0.1 files.
Diffstat (limited to 'gnu/llvm/lib/MC/ConstantPools.cpp')
-rw-r--r--gnu/llvm/lib/MC/ConstantPools.cpp116
1 files changed, 0 insertions, 116 deletions
diff --git a/gnu/llvm/lib/MC/ConstantPools.cpp b/gnu/llvm/lib/MC/ConstantPools.cpp
deleted file mode 100644
index 18277a22564..00000000000
--- a/gnu/llvm/lib/MC/ConstantPools.cpp
+++ /dev/null
@@ -1,116 +0,0 @@
-//===- ConstantPools.cpp - ConstantPool class -----------------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements the ConstantPool and AssemblerConstantPools classes.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/MC/ConstantPools.h"
-#include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCDirectives.h"
-#include "llvm/MC/MCExpr.h"
-#include "llvm/MC/MCStreamer.h"
-#include "llvm/Support/Casting.h"
-
-using namespace llvm;
-
-//
-// ConstantPool implementation
-//
-// Emit the contents of the constant pool using the provided streamer.
-void ConstantPool::emitEntries(MCStreamer &Streamer) {
- if (Entries.empty())
- return;
- Streamer.EmitDataRegion(MCDR_DataRegion);
- for (const ConstantPoolEntry &Entry : Entries) {
- Streamer.EmitCodeAlignment(Entry.Size); // align naturally
- Streamer.EmitLabel(Entry.Label);
- Streamer.EmitValue(Entry.Value, Entry.Size, Entry.Loc);
- }
- Streamer.EmitDataRegion(MCDR_DataRegionEnd);
- Entries.clear();
-}
-
-const MCExpr *ConstantPool::addEntry(const MCExpr *Value, MCContext &Context,
- unsigned Size, SMLoc Loc) {
- const MCConstantExpr *C = dyn_cast<MCConstantExpr>(Value);
-
- // Check if there is existing entry for the same constant. If so, reuse it.
- auto Itr = C ? CachedEntries.find(C->getValue()) : CachedEntries.end();
- if (Itr != CachedEntries.end())
- return Itr->second;
-
- MCSymbol *CPEntryLabel = Context.createTempSymbol();
-
- Entries.push_back(ConstantPoolEntry(CPEntryLabel, Value, Size, Loc));
- const auto SymRef = MCSymbolRefExpr::create(CPEntryLabel, Context);
- if (C)
- CachedEntries[C->getValue()] = SymRef;
- return SymRef;
-}
-
-bool ConstantPool::empty() { return Entries.empty(); }
-
-void ConstantPool::clearCache() {
- CachedEntries.clear();
-}
-
-//
-// AssemblerConstantPools implementation
-//
-ConstantPool *AssemblerConstantPools::getConstantPool(MCSection *Section) {
- ConstantPoolMapTy::iterator CP = ConstantPools.find(Section);
- if (CP == ConstantPools.end())
- return nullptr;
-
- return &CP->second;
-}
-
-ConstantPool &
-AssemblerConstantPools::getOrCreateConstantPool(MCSection *Section) {
- return ConstantPools[Section];
-}
-
-static void emitConstantPool(MCStreamer &Streamer, MCSection *Section,
- ConstantPool &CP) {
- if (!CP.empty()) {
- Streamer.SwitchSection(Section);
- CP.emitEntries(Streamer);
- }
-}
-
-void AssemblerConstantPools::emitAll(MCStreamer &Streamer) {
- // Dump contents of assembler constant pools.
- for (auto &CPI : ConstantPools) {
- MCSection *Section = CPI.first;
- ConstantPool &CP = CPI.second;
-
- emitConstantPool(Streamer, Section, CP);
- }
-}
-
-void AssemblerConstantPools::emitForCurrentSection(MCStreamer &Streamer) {
- MCSection *Section = Streamer.getCurrentSectionOnly();
- if (ConstantPool *CP = getConstantPool(Section))
- emitConstantPool(Streamer, Section, *CP);
-}
-
-void AssemblerConstantPools::clearCacheForCurrentSection(MCStreamer &Streamer) {
- MCSection *Section = Streamer.getCurrentSectionOnly();
- if (ConstantPool *CP = getConstantPool(Section))
- CP->clearCache();
-}
-
-const MCExpr *AssemblerConstantPools::addEntry(MCStreamer &Streamer,
- const MCExpr *Expr,
- unsigned Size, SMLoc Loc) {
- MCSection *Section = Streamer.getCurrentSectionOnly();
- return getOrCreateConstantPool(Section).addEntry(Expr, Streamer.getContext(),
- Size, Loc);
-}