1 files changed, 0 insertions, 97 deletions
diff --git a/contrib/llvm/lib/Target/WebAssembly/WebAssemblySetP2AlignOperands.cpp b/contrib/llvm/lib/Target/WebAssembly/WebAssemblySetP2AlignOperands.cpp
deleted file mode 100644
index a249ccf17638..000000000000
--- a/contrib/llvm/lib/Target/WebAssembly/WebAssemblySetP2AlignOperands.cpp
+++ /dev/null
@@ -1,97 +0,0 @@
-//=- WebAssemblySetP2AlignOperands.cpp - Set alignments on loads and stores -=//
-//
-// 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
-//
-//===----------------------------------------------------------------------===//
-///
-/// \file
-/// This file sets the p2align operands on load and store instructions.
-///
-//===----------------------------------------------------------------------===//
-
-#include "MCTargetDesc/WebAssemblyMCTargetDesc.h"
-#include "WebAssembly.h"
-#include "WebAssemblyInstrInfo.h"
-#include "WebAssemblyMachineFunctionInfo.h"
-#include "llvm/CodeGen/MachineBlockFrequencyInfo.h"
-#include "llvm/CodeGen/MachineMemOperand.h"
-#include "llvm/CodeGen/Passes.h"
-#include "llvm/Support/Debug.h"
-#include "llvm/Support/raw_ostream.h"
-using namespace llvm;
-
-#define DEBUG_TYPE "wasm-set-p2align-operands"
-
-namespace {
-class WebAssemblySetP2AlignOperands final : public MachineFunctionPass {
-public:
-  static char ID; // Pass identification, replacement for typeid
-  WebAssemblySetP2AlignOperands() : MachineFunctionPass(ID) {}
-
-  StringRef getPassName() const override {
-    return "WebAssembly Set p2align Operands";
-  }
-
-  void getAnalysisUsage(AnalysisUsage &AU) const override {
-    AU.setPreservesCFG();
-    AU.addPreserved<MachineBlockFrequencyInfo>();
-    AU.addPreservedID(MachineDominatorsID);
-    MachineFunctionPass::getAnalysisUsage(AU);
-  }
-
-  bool runOnMachineFunction(MachineFunction &MF) override;
-};
-} // end anonymous namespace
-
-char WebAssemblySetP2AlignOperands::ID = 0;
-INITIALIZE_PASS(WebAssemblySetP2AlignOperands, DEBUG_TYPE,
-                "Set the p2align operands for WebAssembly loads and stores",
-                false, false)
-
-FunctionPass *llvm::createWebAssemblySetP2AlignOperands() {
-  return new WebAssemblySetP2AlignOperands();
-}
-
-static void rewriteP2Align(MachineInstr &MI, unsigned OperandNo) {
-  assert(MI.getOperand(OperandNo).getImm() == 0 &&
-         "ISel should set p2align operands to 0");
-  assert(MI.hasOneMemOperand() &&
-         "Load and store instructions have exactly one mem operand");
-  assert((*MI.memoperands_begin())->getSize() ==
-             (UINT64_C(1) << WebAssembly::GetDefaultP2Align(MI.getOpcode())) &&
-         "Default p2align value should be natural");
-  assert(MI.getDesc().OpInfo[OperandNo].OperandType ==
-             WebAssembly::OPERAND_P2ALIGN &&
-         "Load and store instructions should have a p2align operand");
-  uint64_t P2Align = Log2_64((*MI.memoperands_begin())->getAlignment());
-
-  // WebAssembly does not currently support supernatural alignment.
-  P2Align = std::min(P2Align,
-                     uint64_t(WebAssembly::GetDefaultP2Align(MI.getOpcode())));
-
-  MI.getOperand(OperandNo).setImm(P2Align);
-}
-
-bool WebAssemblySetP2AlignOperands::runOnMachineFunction(MachineFunction &MF) {
-  LLVM_DEBUG({
-    dbgs() << "********** Set p2align Operands **********\n"
-           << "********** Function: " << MF.getName() << '\n';
-  });
-
-  bool Changed = false;
-
-  for (auto &MBB : MF) {
-    for (auto &MI : MBB) {
-      int16_t P2AlignOpNum = WebAssembly::getNamedOperandIdx(
-          MI.getOpcode(), WebAssembly::OpName::p2align);
-      if (P2AlignOpNum != -1) {
-        rewriteP2Align(MI, P2AlignOpNum);
-        Changed = true;
-      }
-    }
-  }
-
-  return Changed;
-}