Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f

external/llvm/lib/Target/WebAssembly/WebAssemblySubtarget.cpp

@@ -1,56 +0,0 @@
-//===-- WebAssemblySubtarget.cpp - WebAssembly Subtarget Information ------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-///
-/// \file
-/// \brief This file implements the WebAssembly-specific subclass of
-/// TargetSubtarget.
-///
-//===----------------------------------------------------------------------===//
-
-#include "WebAssemblySubtarget.h"
-#include "MCTargetDesc/WebAssemblyMCTargetDesc.h"
-#include "WebAssemblyInstrInfo.h"
-#include "llvm/Support/TargetRegistry.h"
-using namespace llvm;
-
-#define DEBUG_TYPE "wasm-subtarget"
-
-#define GET_SUBTARGETINFO_CTOR
-#define GET_SUBTARGETINFO_TARGET_DESC
-#include "WebAssemblyGenSubtargetInfo.inc"
-
-WebAssemblySubtarget &
-WebAssemblySubtarget::initializeSubtargetDependencies(StringRef FS) {
-  // Determine default and user-specified characteristics
-
-  if (CPUString.empty())
-    CPUString = "generic";
-
-  ParseSubtargetFeatures(CPUString, FS);
-  return *this;
-}
-
-WebAssemblySubtarget::WebAssemblySubtarget(const Triple &TT,
-                                           const std::string &CPU,
-                                           const std::string &FS,
-                                           const TargetMachine &TM)
-    : WebAssemblyGenSubtargetInfo(TT, CPU, FS), HasSIMD128(false),
-      HasAtomics(false), HasNontrappingFPToInt(false), CPUString(CPU),
-      TargetTriple(TT), FrameLowering(),
-      InstrInfo(initializeSubtargetDependencies(FS)), TSInfo(),
-      TLInfo(TM, *this) {}
-
-bool WebAssemblySubtarget::enableMachineScheduler() const {
-  // Disable the MachineScheduler for now. Even with ShouldTrackPressure set and
-  // enableMachineSchedDefaultSched overridden, it appears to have an overall
-  // negative effect for the kinds of register optimizations we're doing.
-  return false;
-}
-
-bool WebAssemblySubtarget::useAA() const { return true; }