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-rw-r--r--llvm/lib/Target/PowerPC/GISel/PPCInstructionSelector.cpp92
1 files changed, 92 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/GISel/PPCInstructionSelector.cpp b/llvm/lib/Target/PowerPC/GISel/PPCInstructionSelector.cpp
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+++ b/llvm/lib/Target/PowerPC/GISel/PPCInstructionSelector.cpp
@@ -0,0 +1,92 @@
+//===- PPCInstructionSelector.cpp --------------------------------*- 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
+//
+//===----------------------------------------------------------------------===//
+/// \file
+/// This file implements the targeting of the InstructionSelector class for
+/// PowerPC.
+//===----------------------------------------------------------------------===//
+
+#include "PPCInstrInfo.h"
+#include "PPCRegisterBankInfo.h"
+#include "PPCSubtarget.h"
+#include "PPCTargetMachine.h"
+#include "llvm/CodeGen/GlobalISel/InstructionSelector.h"
+#include "llvm/CodeGen/GlobalISel/InstructionSelectorImpl.h"
+#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/IR/IntrinsicsPowerPC.h"
+#include "llvm/Support/Debug.h"
+
+#define DEBUG_TYPE "ppc-gisel"
+
+using namespace llvm;
+
+namespace {
+
+#define GET_GLOBALISEL_PREDICATE_BITSET
+#include "PPCGenGlobalISel.inc"
+#undef GET_GLOBALISEL_PREDICATE_BITSET
+
+class PPCInstructionSelector : public InstructionSelector {
+public:
+ PPCInstructionSelector(const PPCTargetMachine &TM, const PPCSubtarget &STI,
+ const PPCRegisterBankInfo &RBI);
+
+ bool select(MachineInstr &I) override;
+ static const char *getName() { return DEBUG_TYPE; }
+
+private:
+ /// tblgen generated 'select' implementation that is used as the initial
+ /// selector for the patterns that do not require complex C++.
+ bool selectImpl(MachineInstr &I, CodeGenCoverage &CoverageInfo) const;
+
+ const PPCInstrInfo &TII;
+ const PPCRegisterInfo &TRI;
+ const PPCRegisterBankInfo &RBI;
+
+#define GET_GLOBALISEL_PREDICATES_DECL
+#include "PPCGenGlobalISel.inc"
+#undef GET_GLOBALISEL_PREDICATES_DECL
+
+#define GET_GLOBALISEL_TEMPORARIES_DECL
+#include "PPCGenGlobalISel.inc"
+#undef GET_GLOBALISEL_TEMPORARIES_DECL
+};
+
+} // end anonymous namespace
+
+#define GET_GLOBALISEL_IMPL
+#include "PPCGenGlobalISel.inc"
+#undef GET_GLOBALISEL_IMPL
+
+PPCInstructionSelector::PPCInstructionSelector(const PPCTargetMachine &TM,
+ const PPCSubtarget &STI,
+ const PPCRegisterBankInfo &RBI)
+ : InstructionSelector(), TII(*STI.getInstrInfo()),
+ TRI(*STI.getRegisterInfo()), RBI(RBI),
+#define GET_GLOBALISEL_PREDICATES_INIT
+#include "PPCGenGlobalISel.inc"
+#undef GET_GLOBALISEL_PREDICATES_INIT
+#define GET_GLOBALISEL_TEMPORARIES_INIT
+#include "PPCGenGlobalISel.inc"
+#undef GET_GLOBALISEL_TEMPORARIES_INIT
+{
+}
+
+bool PPCInstructionSelector::select(MachineInstr &I) {
+ if (selectImpl(I, *CoverageInfo))
+ return true;
+ return false;
+}
+
+namespace llvm {
+InstructionSelector *
+createPPCInstructionSelector(const PPCTargetMachine &TM,
+ const PPCSubtarget &Subtarget,
+ const PPCRegisterBankInfo &RBI) {
+ return new PPCInstructionSelector(TM, Subtarget, RBI);
+}
+} // end namespace llvm