From 4b6eb0e63c698094db5506763df44cc83c19f643 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sun, 20 Mar 2022 12:40:34 +0100
Subject: Merge llvm-project main llvmorg-14-init-10186-gff7f2cfa959b

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-14-init-10186-gff7f2cfa959b.

PR:		261742
MFC after:	2 weeks

(cherry picked from commit 349cc55c9796c4596a5b9904cd3281af295f878f)
---
 .../llvm/tools/llvm-diff/lib/DiffLog.cpp           | 54 ++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 contrib/llvm-project/llvm/tools/llvm-diff/lib/DiffLog.cpp

(limited to 'contrib/llvm-project/llvm/tools/llvm-diff/lib/DiffLog.cpp')

diff --git a/contrib/llvm-project/llvm/tools/llvm-diff/lib/DiffLog.cpp b/contrib/llvm-project/llvm/tools/llvm-diff/lib/DiffLog.cpp
new file mode 100644
index 000000000000..d31a345d255c
--- /dev/null
+++ b/contrib/llvm-project/llvm/tools/llvm-diff/lib/DiffLog.cpp
@@ -0,0 +1,54 @@
+//===-- DiffLog.h - Difference Log Builder and accessories ------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This header defines the interface to the LLVM difference log builder.
+//
+//===----------------------------------------------------------------------===//
+
+#include "DiffLog.h"
+#include "DiffConsumer.h"
+#include "llvm/ADT/StringRef.h"
+
+using namespace llvm;
+
+LogBuilder::~LogBuilder() {
+  if (consumer)
+    consumer->logf(*this);
+}
+
+StringRef LogBuilder::getFormat() const { return Format; }
+
+unsigned LogBuilder::getNumArguments() const { return Arguments.size(); }
+const Value *LogBuilder::getArgument(unsigned I) const { return Arguments[I]; }
+
+DiffLogBuilder::~DiffLogBuilder() { consumer.logd(*this); }
+
+void DiffLogBuilder::addMatch(const Instruction *L, const Instruction *R) {
+  Diff.push_back(DiffRecord(L, R));
+}
+void DiffLogBuilder::addLeft(const Instruction *L) {
+  // HACK: VS 2010 has a bug in the stdlib that requires this.
+  Diff.push_back(DiffRecord(L, DiffRecord::second_type(nullptr)));
+}
+void DiffLogBuilder::addRight(const Instruction *R) {
+  // HACK: VS 2010 has a bug in the stdlib that requires this.
+  Diff.push_back(DiffRecord(DiffRecord::first_type(nullptr), R));
+}
+
+unsigned DiffLogBuilder::getNumLines() const { return Diff.size(); }
+
+DiffChange DiffLogBuilder::getLineKind(unsigned I) const {
+  return (Diff[I].first ? (Diff[I].second ? DC_match : DC_left)
+                        : DC_right);
+}
+const Instruction *DiffLogBuilder::getLeft(unsigned I) const {
+  return Diff[I].first;
+}
+const Instruction *DiffLogBuilder::getRight(unsigned I) const {
+  return Diff[I].second;
+}
-- 
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