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
diff --git a/lib/Target/Alpha/TargetInfo/AlphaTargetInfo.cpp b/lib/Target/Alpha/TargetInfo/AlphaTargetInfo.cpp
new file mode 100644
index 0000000..df560b8
--- /dev/null
+++ b/lib/Target/Alpha/TargetInfo/AlphaTargetInfo.cpp
@@ -0,0 +1,57 @@
+//===-- AlphaTargetInfo.cpp - Alpha 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 TheAlphaTarget;
+
+static unsigned Alpha_JITMatchQuality() {
+#ifdef __alpha
+ return 10;
+#else
+ return 0;
+#endif
+}
+
+static unsigned Alpha_TripleMatchQuality(const std::string &TT) {
+ // We strongly match "alpha*".
+ if (TT.size() >= 5 && TT[0] == 'a' && TT[1] == 'l' && TT[2] == 'p' &&
+ TT[3] == 'h' && TT[4] == 'a')
+ return 20;
+
+ return 0;
+}
+
+static unsigned Alpha_ModuleMatchQuality(const Module &M) {
+ // Check for a triple match.
+ if (unsigned Q = Alpha_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::Pointer64)
+ return 10; // Weak match
+ else if (M.getEndianness() != Module::AnyEndianness ||
+ M.getPointerSize() != Module::AnyPointerSize)
+ return 0; // Match for some other target
+
+ return Alpha_JITMatchQuality()/2;
+}
+
+extern "C" void LLVMInitializeAlphaTargetInfo() {
+ TargetRegistry::RegisterTarget(TheAlphaTarget, "alpha",
+ "Alpha [experimental]",
+ &Alpha_TripleMatchQuality,
+ &Alpha_ModuleMatchQuality,
+ &Alpha_JITMatchQuality);
+}