Add TargetInfo libraries for all targets.

 - Intended to match current TargetMachine implementations.

 - No facilities for linking these in yet.

llvm-svn: 75751

4 files changed, 83 insertions, 1 deletions

diff --git a/llvm/lib/Target/Sparc/Makefile b/llvm/lib/Target/Sparc/Makefile
index fdf6afaee07..6714b4dadb2 100644
--- a/llvm/lib/Target/Sparc/Makefile
+++ b/llvm/lib/Target/Sparc/Makefile
@@ -16,7 +16,7 @@ BUILT_SOURCES = SparcGenRegisterInfo.h.inc SparcGenRegisterNames.inc \
                 SparcGenInstrInfo.inc SparcGenAsmWriter.inc \
                 SparcGenDAGISel.inc SparcGenSubtarget.inc SparcGenCallingConv.inc
 
-DIRS = AsmPrinter
+DIRS = AsmPrinter TargetInfo
 
 include $(LEVEL)/Makefile.common
 
diff --git a/llvm/lib/Target/Sparc/TargetInfo/CMakeLists.txt b/llvm/lib/Target/Sparc/TargetInfo/CMakeLists.txt
new file mode 100644
index 00000000000..835afb53de1
--- /dev/null
+++ b/llvm/lib/Target/Sparc/TargetInfo/CMakeLists.txt
@@ -0,0 +1,6 @@
+include_directories( ${CMAKE_CURRENT_BINARY_DIR}/.. ${CMAKE_CURRENT_SOURCE_DIR}/.. )
+
+add_llvm_library(LLVMSparcInfo
+  SparcTargetInfo.cpp
+  )
+
diff --git a/llvm/lib/Target/Sparc/TargetInfo/Makefile b/llvm/lib/Target/Sparc/TargetInfo/Makefile
new file mode 100644
index 00000000000..641ed87160c
--- /dev/null
+++ b/llvm/lib/Target/Sparc/TargetInfo/Makefile
@@ -0,0 +1,15 @@
+##===- lib/Target/Sparc/TargetInfo/Makefile ----------------*- Makefile -*-===##
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+LEVEL = ../../../..
+LIBRARYNAME = LLVMSparcInfo
+
+# Hack: we need to include 'main' target directory to grab private headers
+CPPFLAGS = -I$(PROJ_OBJ_DIR)/.. -I$(PROJ_SRC_DIR)/..
+
+include $(LEVEL)/Makefile.common
diff --git a/llvm/lib/Target/Sparc/TargetInfo/SparcTargetInfo.cpp b/llvm/lib/Target/Sparc/TargetInfo/SparcTargetInfo.cpp
new file mode 100644
index 00000000000..71c72d94821
--- /dev/null
+++ b/llvm/lib/Target/Sparc/TargetInfo/SparcTargetInfo.cpp
@@ -0,0 +1,61 @@
+//===-- SparcTargetInfo.cpp - Sparc 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 TheSparcTarget;
+
+static unsigned Sparc_JITMatchQuality() {
+  return 0;
+}
+
+static unsigned Sparc_TripleMatchQuality(const std::string &TT) {
+  if (TT.size() >= 6 && std::string(TT.begin(), TT.begin()+6) == "sparc-")
+    return 20;
+
+  return 0;
+}
+
+static unsigned Sparc_ModuleMatchQuality(const Module &M) {
+  // Check for a triple match.
+  if (unsigned Q = Sparc_TripleMatchQuality(M.getTargetTriple()))
+    return Q;
+
+  // Otherwise if the target triple is non-empty, we don't match.
+  if (!M.getTargetTriple().empty()) return 0;
+
+  // FIXME: This is bad, the target matching algorithm shouldn't depend on the
+  // host.
+  if (M.getEndianness()  == Module::BigEndian &&
+      M.getPointerSize() == Module::Pointer32)
+#ifdef __sparc__
+    return 20;   // BE/32 ==> Prefer sparc on sparc
+#else
+    return 5;    // BE/32 ==> Prefer ppc elsewhere
+#endif
+  else if (M.getEndianness() != Module::AnyEndianness ||
+           M.getPointerSize() != Module::AnyPointerSize)
+    return 0;                                    // Match for some other target
+
+#if defined(__sparc__)
+  return 10;
+#else
+  return 0;
+#endif
+}
+
+extern "C" void LLVMInitializeSparcTargetInfo() { 
+  TargetRegistry::RegisterTarget(TheSparcTarget, "sparc",
+                                  "Sparc",
+                                  &Sparc_TripleMatchQuality,
+                                  &Sparc_ModuleMatchQuality,
+                                  &Sparc_JITMatchQuality);
+}