[llvm] 444c6d2 - [LoongArch 3/6] Add target stub for LoongArch
Renato Golin via llvm-commits
llvm-commits at lists.llvm.org
Thu Feb 10 02:23:57 PST 2022
Author: Lu Weining
Date: 2022-02-10T10:23:34Z
New Revision: 444c6d261a913bc4f05ac166357af8afa584da73
URL: https://github.com/llvm/llvm-project/commit/444c6d261a913bc4f05ac166357af8afa584da73
DIFF: https://github.com/llvm/llvm-project/commit/444c6d261a913bc4f05ac166357af8afa584da73.diff
LOG: [LoongArch 3/6] Add target stub for LoongArch
This patch registers the 'loongarch32' and 'loongarch64' targets. Also adds a
simple testcase to check the output of llc --vesion containing the targets.
Differential revision: https://reviews.llvm.org/D115860
Added:
llvm/lib/Target/LoongArch/CMakeLists.txt
llvm/lib/Target/LoongArch/LoongArchTargetMachine.cpp
llvm/lib/Target/LoongArch/LoongArchTargetMachine.h
llvm/lib/Target/LoongArch/MCTargetDesc/CMakeLists.txt
llvm/lib/Target/LoongArch/MCTargetDesc/LoongArchMCTargetDesc.cpp
llvm/lib/Target/LoongArch/TargetInfo/CMakeLists.txt
llvm/lib/Target/LoongArch/TargetInfo/LoongArchTargetInfo.cpp
llvm/lib/Target/LoongArch/TargetInfo/LoongArchTargetInfo.h
llvm/test/CodeGen/LoongArch/lit.local.cfg
llvm/test/CodeGen/LoongArch/target_support.ll
Modified:
Removed:
################################################################################
diff --git a/llvm/lib/Target/LoongArch/CMakeLists.txt b/llvm/lib/Target/LoongArch/CMakeLists.txt
new file mode 100644
index 0000000000000..254320f5c8440
--- /dev/null
+++ b/llvm/lib/Target/LoongArch/CMakeLists.txt
@@ -0,0 +1,24 @@
+add_llvm_component_group(LoongArch)
+
+add_llvm_target(LoongArchCodeGen
+ LoongArchTargetMachine.cpp
+
+ LINK_COMPONENTS
+ Analysis
+ AsmPrinter
+ CodeGen
+ Core
+ MC
+ LoongArchDesc
+ LoongArchInfo
+ SelectionDAG
+ Support
+ Target
+ GlobalISel
+
+ ADD_TO_COMPONENT
+ LoongArch
+ )
+
+add_subdirectory(MCTargetDesc)
+add_subdirectory(TargetInfo)
diff --git a/llvm/lib/Target/LoongArch/LoongArchTargetMachine.cpp b/llvm/lib/Target/LoongArch/LoongArchTargetMachine.cpp
new file mode 100644
index 0000000000000..66507b4c5a234
--- /dev/null
+++ b/llvm/lib/Target/LoongArch/LoongArchTargetMachine.cpp
@@ -0,0 +1,52 @@
+//===-- LoongArchTargetMachine.cpp - Define TargetMachine for LoongArch ---===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+// Implements the info about LoongArch target spec.
+//
+//===----------------------------------------------------------------------===//
+
+#include "LoongArchTargetMachine.h"
+#include "TargetInfo/LoongArchTargetInfo.h"
+#include "llvm/MC/TargetRegistry.h"
+
+using namespace llvm;
+
+#define DEBUG_TYPE "loongarch"
+
+extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeLoongArchTarget() {
+ // Register the target.
+ RegisterTargetMachine<LoongArchTargetMachine> X(getTheLoongArch32Target());
+ RegisterTargetMachine<LoongArchTargetMachine> Y(getTheLoongArch64Target());
+}
+
+// FIXME: This is just a placeholder to make current commit buildable. Body of
+// this function will be filled in later commits.
+static std::string computeDataLayout(const Triple &TT) {
+ std::string Ret;
+ Ret += "e";
+ return Ret;
+}
+
+static Reloc::Model getEffectiveRelocModel(const Triple &TT,
+ Optional<Reloc::Model> RM) {
+ if (!RM.hasValue())
+ return Reloc::Static;
+ return *RM;
+}
+
+LoongArchTargetMachine::LoongArchTargetMachine(
+ const Target &T, const Triple &TT, StringRef CPU, StringRef FS,
+ const TargetOptions &Options, Optional<Reloc::Model> RM,
+ Optional<CodeModel::Model> CM, CodeGenOpt::Level OL, bool JIT)
+ : LLVMTargetMachine(T, computeDataLayout(TT), TT, CPU, FS, Options,
+ getEffectiveRelocModel(TT, RM),
+ getEffectiveCodeModel(CM, CodeModel::Small), OL) {
+ initAsmInfo();
+}
+
+LoongArchTargetMachine::~LoongArchTargetMachine() = default;
diff --git a/llvm/lib/Target/LoongArch/LoongArchTargetMachine.h b/llvm/lib/Target/LoongArch/LoongArchTargetMachine.h
new file mode 100644
index 0000000000000..31c78ee4f7058
--- /dev/null
+++ b/llvm/lib/Target/LoongArch/LoongArchTargetMachine.h
@@ -0,0 +1,33 @@
+//=- LoongArchTargetMachine.h - Define TargetMachine for LoongArch -*- 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares the LoongArch specific subclass of TargetMachine.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_LOONGARCH_LOONGARCHTARGETMACHINE_H
+#define LLVM_LIB_TARGET_LOONGARCH_LOONGARCHTARGETMACHINE_H
+
+#include "llvm/Target/TargetMachine.h"
+
+namespace llvm {
+
+class LoongArchTargetMachine : public LLVMTargetMachine {
+
+public:
+ LoongArchTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
+ StringRef FS, const TargetOptions &Options,
+ Optional<Reloc::Model> RM,
+ Optional<CodeModel::Model> CM, CodeGenOpt::Level OL,
+ bool JIT);
+ ~LoongArchTargetMachine() override;
+};
+
+} // end namespace llvm
+
+#endif // LLVM_LIB_TARGET_LOONGARCH_LOONGARCHTARGETMACHINE_H
diff --git a/llvm/lib/Target/LoongArch/MCTargetDesc/CMakeLists.txt b/llvm/lib/Target/LoongArch/MCTargetDesc/CMakeLists.txt
new file mode 100644
index 0000000000000..27d5940f0f327
--- /dev/null
+++ b/llvm/lib/Target/LoongArch/MCTargetDesc/CMakeLists.txt
@@ -0,0 +1,11 @@
+add_llvm_component_library(LLVMLoongArchDesc
+ LoongArchMCTargetDesc.cpp
+
+ LINK_COMPONENTS
+ MC
+ LoongArchInfo
+ Support
+
+ ADD_TO_COMPONENT
+ LoongArch
+ )
diff --git a/llvm/lib/Target/LoongArch/MCTargetDesc/LoongArchMCTargetDesc.cpp b/llvm/lib/Target/LoongArch/MCTargetDesc/LoongArchMCTargetDesc.cpp
new file mode 100644
index 0000000000000..4d9735e996abc
--- /dev/null
+++ b/llvm/lib/Target/LoongArch/MCTargetDesc/LoongArchMCTargetDesc.cpp
@@ -0,0 +1,17 @@
+//===-- LoongArchMCTargetDesc.cpp - LoongArch Target Descriptions ---------===//
+//
+// 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 provides LoongArch specific target descriptions.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Support/Compiler.h"
+
+// FIXME: This is just a placeholder to make current commit buildable. Body of
+// this function will be filled in later commits.
+extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeLoongArchTargetMC() {}
diff --git a/llvm/lib/Target/LoongArch/TargetInfo/CMakeLists.txt b/llvm/lib/Target/LoongArch/TargetInfo/CMakeLists.txt
new file mode 100644
index 0000000000000..f53ddba400502
--- /dev/null
+++ b/llvm/lib/Target/LoongArch/TargetInfo/CMakeLists.txt
@@ -0,0 +1,9 @@
+add_llvm_component_library(LLVMLoongArchInfo
+ LoongArchTargetInfo.cpp
+
+ LINK_COMPONENTS
+ Support
+
+ ADD_TO_COMPONENT
+ LoongArch
+ )
diff --git a/llvm/lib/Target/LoongArch/TargetInfo/LoongArchTargetInfo.cpp b/llvm/lib/Target/LoongArch/TargetInfo/LoongArchTargetInfo.cpp
new file mode 100644
index 0000000000000..64b1a5b2ddeca
--- /dev/null
+++ b/llvm/lib/Target/LoongArch/TargetInfo/LoongArchTargetInfo.cpp
@@ -0,0 +1,30 @@
+//===-- LoongArchTargetInfo.cpp - LoongArch Target Implementation ---------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "TargetInfo/LoongArchTargetInfo.h"
+#include "llvm/MC/TargetRegistry.h"
+using namespace llvm;
+
+Target &llvm::getTheLoongArch32Target() {
+ static Target TheLoongArch32Target;
+ return TheLoongArch32Target;
+}
+
+Target &llvm::getTheLoongArch64Target() {
+ static Target TheLoongArch64Target;
+ return TheLoongArch64Target;
+}
+
+extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeLoongArchTargetInfo() {
+ RegisterTarget<Triple::loongarch32, /*HasJIT=*/false> X(
+ getTheLoongArch32Target(), "loongarch32", "LoongArch (32-bit)",
+ "LoongArch");
+ RegisterTarget<Triple::loongarch64, /*HasJIT=*/false> Y(
+ getTheLoongArch64Target(), "loongarch64", "LoongArch (64-bit)",
+ "LoongArch");
+}
diff --git a/llvm/lib/Target/LoongArch/TargetInfo/LoongArchTargetInfo.h b/llvm/lib/Target/LoongArch/TargetInfo/LoongArchTargetInfo.h
new file mode 100644
index 0000000000000..6fc13d52c065e
--- /dev/null
+++ b/llvm/lib/Target/LoongArch/TargetInfo/LoongArchTargetInfo.h
@@ -0,0 +1,21 @@
+//===-- LoongArchTargetInfo.h - LoongArch Target Implementation -*- 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_LOONGARCH_TARGETINFO_LOONGARCHTARGETINFO_H
+#define LLVM_LIB_TARGET_LOONGARCH_TARGETINFO_LOONGARCHTARGETINFO_H
+
+namespace llvm {
+
+class Target;
+
+Target &getTheLoongArch32Target();
+Target &getTheLoongArch64Target();
+
+} // namespace llvm
+
+#endif // LLVM_LIB_TARGET_LOONGARCH_TARGETINFO_LOONGARCHTARGETINFO_H
diff --git a/llvm/test/CodeGen/LoongArch/lit.local.cfg b/llvm/test/CodeGen/LoongArch/lit.local.cfg
new file mode 100644
index 0000000000000..2b5a4893e686f
--- /dev/null
+++ b/llvm/test/CodeGen/LoongArch/lit.local.cfg
@@ -0,0 +1,2 @@
+if not 'LoongArch' in config.root.targets:
+ config.unsupported = True
diff --git a/llvm/test/CodeGen/LoongArch/target_support.ll b/llvm/test/CodeGen/LoongArch/target_support.ll
new file mode 100644
index 0000000000000..528cdfa977ac8
--- /dev/null
+++ b/llvm/test/CodeGen/LoongArch/target_support.ll
@@ -0,0 +1,3 @@
+; RUN: llc --version | FileCheck %s
+; CHECK: loongarch32 - LoongArch (32-bit)
+; CHECK: loongarch64 - LoongArch (64-bit)
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