commit 8cf805ae893b74f790d3a3701e89db8b7f8cba95
author Quentin Colombet <qcolombet@apple.com> Sat Jul 01 00:45:50 2017 +0000
committer Quentin Colombet <qcolombet@apple.com> Sat Jul 01 00:45:50 2017 +0000
tree 61b14250db43d6d2ebc8a15f559b144643664773
parent 51b7af3e141bf78365d784a3b1095dcb968302c3

[X86] Move GISel accessor initialization from TargetMachine to Subtarget.

NFC

llvm-svn: 306921

llvm/lib/Target/X86/X86Subtarget.cpp

diff --git a/llvm/lib/Target/X86/X86Subtarget.cpp b/llvm/lib/Target/X86/X86Subtarget.cpp
index e36a475..24845be 100644
--- a/llvm/lib/Target/X86/X86Subtarget.cpp
+++ b/llvm/lib/Target/X86/X86Subtarget.cpp
@@ -11,10 +11,23 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "X86.h"
+
+#ifdef LLVM_BUILD_GLOBAL_ISEL
+#include "X86CallLowering.h"
+#include "X86LegalizerInfo.h"
+#include "X86RegisterBankInfo.h"
+#endif
 #include "X86Subtarget.h"
 #include "MCTargetDesc/X86BaseInfo.h"
 #include "X86TargetMachine.h"
 #include "llvm/ADT/Triple.h"
+#ifdef LLVM_BUILD_GLOBAL_ISEL
+#include "llvm/CodeGen/GlobalISel/CallLowering.h"
+#include "llvm/CodeGen/GlobalISel/InstructionSelect.h"
+#include "llvm/CodeGen/GlobalISel/Legalizer.h"
+#include "llvm/CodeGen/GlobalISel/RegBankSelect.h"
+#endif
 #include "llvm/IR/Attributes.h"
 #include "llvm/IR/ConstantRange.h"
 #include "llvm/IR/Function.h"
@@ -336,6 +349,35 @@
   return *this;
 }
 
+#ifdef LLVM_BUILD_GLOBAL_ISEL
+namespace {
+
+struct X86GISelActualAccessor : public GISelAccessor {
+  std::unique_ptr<CallLowering> CallLoweringInfo;
+  std::unique_ptr<LegalizerInfo> Legalizer;
+  std::unique_ptr<RegisterBankInfo> RegBankInfo;
+  std::unique_ptr<InstructionSelector> InstSelector;
+
+  const CallLowering *getCallLowering() const override {
+    return CallLoweringInfo.get();
+  }
+
+  const InstructionSelector *getInstructionSelector() const override {
+    return InstSelector.get();
+  }
+
+  const LegalizerInfo *getLegalizerInfo() const override {
+    return Legalizer.get();
+  }
+
+  const RegisterBankInfo *getRegBankInfo() const override {
+    return RegBankInfo.get();
+  }
+};
+
+} // end anonymous namespace
+#endif
+
 X86Subtarget::X86Subtarget(const Triple &TT, StringRef CPU, StringRef FS,
                            const X86TargetMachine &TM,
                            unsigned StackAlignOverride)
@@ -360,6 +402,19 @@
     setPICStyle(PICStyles::StubPIC);
   else if (isTargetELF())
     setPICStyle(PICStyles::GOT);
+#ifndef LLVM_BUILD_GLOBAL_ISEL
+  GISelAccessor *GISel = new GISelAccessor();
+#else
+  X86GISelActualAccessor *GISel = new X86GISelActualAccessor();
+
+  GISel->CallLoweringInfo.reset(new X86CallLowering(*getTargetLowering()));
+  GISel->Legalizer.reset(new X86LegalizerInfo(*this, TM));
+
+  auto *RBI = new X86RegisterBankInfo(*getRegisterInfo());
+  GISel->RegBankInfo.reset(RBI);
+  GISel->InstSelector.reset(createX86InstructionSelector(TM, *this, *RBI));
+#endif
+  setGISelAccessor(*GISel);
 }
 
 const CallLowering *X86Subtarget::getCallLowering() const {