Add TargetInfo libraries for all targets.

 - Intended to match current TargetMachine implementations.

 - No facilities for linking these in yet.

llvm-svn: 75751

1 files changed, 98 insertions, 0 deletions

diff --git a/llvm/lib/Target/PowerPC/TargetInfo/PowerPCTargetInfo.cpp b/llvm/lib/Target/PowerPC/TargetInfo/PowerPCTargetInfo.cpp
new file mode 100644
index 00000000000..0502e37f3fe
--- /dev/null
+++ b/llvm/lib/Target/PowerPC/TargetInfo/PowerPCTargetInfo.cpp
@@ -0,0 +1,98 @@
+//===-- PowerPCTargetInfo.cpp - PowerPC 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 ThePPC32Target;
+
+static unsigned PPC32_JITMatchQuality() {
+#if defined(__POWERPC__) || defined (__ppc__) || defined(_POWER) || defined(__PPC__)
+  if (sizeof(void*) == 4)
+    return 10;
+#endif
+  return 0;
+}
+
+static unsigned PPC32_TripleMatchQuality(const std::string &TT) {
+  // We strongly match "powerpc-*".
+  if (TT.size() >= 8 && std::string(TT.begin(), TT.begin()+8) == "powerpc-")
+    return 20;
+
+  return 0;
+}
+
+static unsigned PPC32_ModuleMatchQuality(const Module &M) {
+  // Check for a triple match.
+  if (unsigned Q = PPC32_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::BigEndian &&
+      M.getPointerSize() == Module::Pointer64)
+    return 10;                                   // Weak match
+  else if (M.getEndianness() != Module::AnyEndianness ||
+           M.getPointerSize() != Module::AnyPointerSize)
+    return 0;                                    // Match for some other target
+  
+  return PPC32_JITMatchQuality()/2;
+}
+
+Target ThePPC64Target;
+
+static unsigned PPC64_JITMatchQuality() {
+#if defined(__POWERPC__) || defined (__ppc__) || defined(_POWER) || defined(__PPC__)
+  if (sizeof(void*) == 8)
+    return 10;
+#endif
+  return 0;
+}
+
+static unsigned PPC64_TripleMatchQuality(const std::string &TT) {
+  // We strongly match "powerpc64-*".
+  if (TT.size() >= 10 && std::string(TT.begin(), TT.begin()+10) == "powerpc64-")
+    return 20;
+
+  return 0;
+}
+
+static unsigned PPC64_ModuleMatchQuality(const Module &M) {
+  // Check for a triple match.
+  if (unsigned Q = PPC64_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::BigEndian &&
+      M.getPointerSize() == Module::Pointer64)
+    return 10;                                   // Weak match
+  else if (M.getEndianness() != Module::AnyEndianness ||
+           M.getPointerSize() != Module::AnyPointerSize)
+    return 0;                                    // Match for some other target
+  
+  return PPC64_JITMatchQuality()/2;
+}
+
+extern "C" void LLVMInitializePowerPCTargetInfo() { 
+  TargetRegistry::RegisterTarget(ThePPC32Target, "ppc32",
+                                  "PowerPC 32",
+                                  &PPC32_TripleMatchQuality,
+                                  &PPC32_ModuleMatchQuality,
+                                  &PPC32_JITMatchQuality);
+
+  TargetRegistry::RegisterTarget(ThePPC64Target, "ppc64",
+                                  "PowerPC 64",
+                                  &PPC64_TripleMatchQuality,
+                                  &PPC64_ModuleMatchQuality,
+                                  &PPC64_JITMatchQuality);
+}