From fbc266465ed3585efdbd8e9ebf71e97ce7e8b464 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sun, 28 Jul 2024 01:34:35 +0200
Subject: Merge llvm-project main llvmorg-19-init-18630-gf2ccf80136a0

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project main llvmorg-19-init-18630-gf2ccf80136a0, the
last commit before the upstream release/19.x branch was created.

PR:		280562
MFC after:	1 month

(cherry picked from commit 0fca6ea1d4eea4c934cfff25ac9ee8ad6fe95583)
---
 .../llvm/lib/CodeGen/MachineFunctionAnalysis.cpp   | 47 ++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 contrib/llvm-project/llvm/lib/CodeGen/MachineFunctionAnalysis.cpp

(limited to 'contrib/llvm-project/llvm/lib/CodeGen/MachineFunctionAnalysis.cpp')

diff --git a/contrib/llvm-project/llvm/lib/CodeGen/MachineFunctionAnalysis.cpp b/contrib/llvm-project/llvm/lib/CodeGen/MachineFunctionAnalysis.cpp
new file mode 100644
index 000000000000..24eb360723da
--- /dev/null
+++ b/contrib/llvm-project/llvm/lib/CodeGen/MachineFunctionAnalysis.cpp
@@ -0,0 +1,47 @@
+//===- MachineFunctionAnalysis.cpp ----------------------------------------===//
+//
+// 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 file contains the definitions of the MachineFunctionAnalysis
+// members.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/CodeGen/MachineFunctionAnalysis.h"
+#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/CodeGen/MachineModuleInfo.h"
+#include "llvm/IR/Function.h"
+#include "llvm/Target/TargetMachine.h"
+
+using namespace llvm;
+
+AnalysisKey MachineFunctionAnalysis::Key;
+
+bool MachineFunctionAnalysis::Result::invalidate(
+    Function &, const PreservedAnalyses &PA,
+    FunctionAnalysisManager::Invalidator &) {
+  // Unless it is invalidated explicitly, it should remain preserved.
+  auto PAC = PA.getChecker<MachineFunctionAnalysis>();
+  return !PAC.preservedWhenStateless();
+}
+
+MachineFunctionAnalysis::Result
+MachineFunctionAnalysis::run(Function &F, FunctionAnalysisManager &FAM) {
+  auto &Context = F.getContext();
+  const TargetSubtargetInfo &STI = *TM->getSubtargetImpl(F);
+  auto &MMI = FAM.getResult<ModuleAnalysisManagerFunctionProxy>(F)
+                  .getCachedResult<MachineModuleAnalysis>(*F.getParent())
+                  ->getMMI();
+  auto MF = std::make_unique<MachineFunction>(
+      F, *TM, STI, Context.generateMachineFunctionNum(F), MMI);
+  MF->initTargetMachineFunctionInfo(STI);
+
+  // MRI callback for target specific initializations.
+  TM->registerMachineRegisterInfoCallback(*MF);
+
+  return Result(std::move(MF));
+}
-- 
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