Add TargetInfo libraries for all targets.

 - Intended to match current TargetMachine implementations.

 - No facilities for linking these in yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75751 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 108 insertions, 0 deletions

diff --git a/lib/Target/Mips/TargetInfo/CMakeLists.txt b/lib/Target/Mips/TargetInfo/CMakeLists.txt
new file mode 100644
index 0000000..fda93cb
--- /dev/null
+++ b/lib/Target/Mips/TargetInfo/CMakeLists.txt
@@ -0,0 +1,6 @@
+include_directories( ${CMAKE_CURRENT_BINARY_DIR}/.. ${CMAKE_CURRENT_SOURCE_DIR}/.. )
+
+add_llvm_library(LLVMMipsInfo
+  MipsTargetInfo.cpp
+  )
+
diff --git a/lib/Target/Mips/TargetInfo/Makefile b/lib/Target/Mips/TargetInfo/Makefile
new file mode 100644
index 0000000..32f4e16
--- /dev/null
+++ b/lib/Target/Mips/TargetInfo/Makefile
@@ -0,0 +1,15 @@
+##===- lib/Target/Mips/TargetInfo/Makefile -----------------*- Makefile -*-===##
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+LEVEL = ../../../..
+LIBRARYNAME = LLVMMipsInfo
+
+# Hack: we need to include 'main' target directory to grab private headers
+CPPFLAGS = -I$(PROJ_OBJ_DIR)/.. -I$(PROJ_SRC_DIR)/..
+
+include $(LEVEL)/Makefile.common
diff --git a/lib/Target/Mips/TargetInfo/MipsTargetInfo.cpp b/lib/Target/Mips/TargetInfo/MipsTargetInfo.cpp
new file mode 100644
index 0000000..1f4dc9e
--- /dev/null
+++ b/lib/Target/Mips/TargetInfo/MipsTargetInfo.cpp
@@ -0,0 +1,87 @@
+//===-- MipsTargetInfo.cpp - Mips Target Implementation -------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Module.h"
+#include "llvm/Target/TargetRegistry.h"
+using namespace llvm;
+
+Target TheMipsTarget;
+
+static unsigned Mips_JITMatchQuality() {
+  return 0;
+}
+
+static unsigned Mips_TripleMatchQuality(const std::string &TT) {
+  // We strongly match "mips*-*".
+  if (TT.size() >= 5 && std::string(TT.begin(), TT.begin()+5) == "mips-")
+    return 20;
+  
+  if (TT.size() >= 13 && std::string(TT.begin(), 
+      TT.begin()+13) == "mipsallegrex-")
+    return 20;
+
+  return 0;
+}
+
+static unsigned Mips_ModuleMatchQuality(const Module &M) {
+  // Check for a triple match.
+  if (unsigned Q = Mips_TripleMatchQuality(M.getTargetTriple()))
+    return Q;
+
+  // Otherwise if the target triple is non-empty, we don't match.
+  if (!M.getTargetTriple().empty()) return 0;
+
+  return 0;
+}
+
+Target TheMipselTarget;
+
+static unsigned Mipsel_JITMatchQuality() {
+  return 0;
+}
+
+static unsigned Mipsel_TripleMatchQuality(const std::string &TT) {
+  // We strongly match "mips*el-*".
+  if (TT.size() >= 7 && std::string(TT.begin(), TT.begin()+7) == "mipsel-")
+    return 20;
+
+  if (TT.size() >= 15 && std::string(TT.begin(), 
+      TT.begin()+15) == "mipsallegrexel-")
+    return 20;
+
+  if (TT.size() == 3 && std::string(TT.begin(), TT.begin()+3) == "psp")
+    return 20;
+
+  return 0;
+}
+
+static unsigned Mipsel_ModuleMatchQuality(const Module &M) {
+  // Check for a triple match.
+  if (unsigned Q = Mipsel_TripleMatchQuality(M.getTargetTriple()))
+    return Q;
+
+  // Otherwise if the target triple is non-empty, we don't match.
+  if (!M.getTargetTriple().empty()) return 0;
+
+  return 0;
+}
+
+extern "C" void LLVMInitializeMipsTargetInfo() { 
+  TargetRegistry::RegisterTarget(TheMipsTarget, "mips",
+                                  "Mips",
+                                  &Mips_TripleMatchQuality,
+                                  &Mips_ModuleMatchQuality,
+                                  &Mips_JITMatchQuality);
+
+  TargetRegistry::RegisterTarget(TheMipselTarget, "mipsel",
+                                  "Mipsel",
+                                  &Mipsel_TripleMatchQuality,
+                                  &Mipsel_ModuleMatchQuality,
+                                  &Mipsel_JITMatchQuality);
+}