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, 119 insertions, 0 deletions

diff --git a/lib/Target/ARM/TargetInfo/ARMTargetInfo.cpp b/lib/Target/ARM/TargetInfo/ARMTargetInfo.cpp
new file mode 100644
index 0000000..a08c915
--- /dev/null
+++ b/lib/Target/ARM/TargetInfo/ARMTargetInfo.cpp
@@ -0,0 +1,98 @@
+//===-- ARMTargetInfo.cpp - ARM 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 TheARMTarget;
+
+static unsigned ARM_JITMatchQuality() {
+#if defined(__arm__)
+  return 10;
+#endif
+  return 0;
+}
+
+static unsigned ARM_TripleMatchQuality(const std::string &TT) {
+  // Match arm-foo-bar, as well as things like armv5blah-*
+  if (TT.size() >= 4 &&
+      (TT.substr(0, 4) == "arm-" || TT.substr(0, 4) == "armv"))
+    return 20;
+
+  return 0;
+}
+
+static unsigned ARM_ModuleMatchQuality(const Module &M) {
+  // Check for a triple match.
+  if (unsigned Q = ARM_TripleMatchQuality(M.getTargetTriple()))
+    return Q;
+
+  // Otherwise if the target triple is non-empty, we don't match.
+  if (!M.getTargetTriple().empty()) return 0;
+
+  if (M.getEndianness()  == Module::LittleEndian &&
+      M.getPointerSize() == Module::Pointer32)
+    return 10;                                   // Weak match
+  else if (M.getEndianness() != Module::AnyEndianness ||
+           M.getPointerSize() != Module::AnyPointerSize)
+    return 0;                                    // Match for some other target
+
+  return ARM_JITMatchQuality()/2;
+}
+
+Target TheThumbTarget;
+
+static unsigned Thumb_JITMatchQuality() {
+#if defined(__thumb__)
+  return 10;
+#endif
+  return 0;
+}
+
+static unsigned Thumb_TripleMatchQuality(const std::string &TT) {
+  // Match thumb-foo-bar, as well as things like thumbv5blah-*
+  if (TT.size() >= 6 &&
+      (TT.substr(0, 6) == "thumb-" || TT.substr(0, 6) == "thumbv"))
+    return 20;
+
+  return 0;
+}
+
+static unsigned Thumb_ModuleMatchQuality(const Module &M) {
+  // Check for a triple match.
+  if (unsigned Q = Thumb_TripleMatchQuality(M.getTargetTriple()))
+    return Q;
+
+  // Otherwise if the target triple is non-empty, we don't match.
+  if (!M.getTargetTriple().empty()) return 0;
+
+  if (M.getEndianness()  == Module::LittleEndian &&
+      M.getPointerSize() == Module::Pointer32)
+    return 10;                                   // Weak match
+  else if (M.getEndianness() != Module::AnyEndianness ||
+           M.getPointerSize() != Module::AnyPointerSize)
+    return 0;                                    // Match for some other target
+
+  return Thumb_JITMatchQuality()/2;
+}
+
+extern "C" void LLVMInitializeARMTargetInfo() { 
+  TargetRegistry::RegisterTarget(TheARMTarget, "arm",    
+                                  "ARM",
+                                  &ARM_TripleMatchQuality,
+                                  &ARM_ModuleMatchQuality,
+                                  &ARM_JITMatchQuality);
+
+  TargetRegistry::RegisterTarget(TheThumbTarget, "thumb",    
+                                  "Thumb",
+                                  &Thumb_TripleMatchQuality,
+                                  &Thumb_ModuleMatchQuality,
+                                  &Thumb_JITMatchQuality);
+}
diff --git a/lib/Target/ARM/TargetInfo/CMakeLists.txt b/lib/Target/ARM/TargetInfo/CMakeLists.txt
new file mode 100644
index 0000000..4eddb48
--- /dev/null
+++ b/lib/Target/ARM/TargetInfo/CMakeLists.txt
@@ -0,0 +1,6 @@
+include_directories( ${CMAKE_CURRENT_BINARY_DIR}/.. ${CMAKE_CURRENT_SOURCE_DIR}/.. )
+
+add_llvm_library(LLVMARMInfo
+  ARMTargetInfo.cpp
+  )
+
diff --git a/lib/Target/ARM/TargetInfo/Makefile b/lib/Target/ARM/TargetInfo/Makefile
new file mode 100644
index 0000000..6292ab1
--- /dev/null
+++ b/lib/Target/ARM/TargetInfo/Makefile
@@ -0,0 +1,15 @@
+##===- lib/Target/ARM/TargetInfo/Makefile ------------------*- Makefile -*-===##
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+LEVEL = ../../../..
+LIBRARYNAME = LLVMARMInfo
+
+# Hack: we need to include 'main' target directory to grab private headers
+CPPFLAGS = -I$(PROJ_OBJ_DIR)/.. -I$(PROJ_SRC_DIR)/..
+
+include $(LEVEL)/Makefile.common