Add TargetInfo libraries for all targets.
- Intended to match current TargetMachine implementations.
- No facilities for linking these in yet.
llvm-svn: 75751
diff --git a/llvm/lib/Target/ARM/TargetInfo/ARMTargetInfo.cpp b/llvm/lib/Target/ARM/TargetInfo/ARMTargetInfo.cpp
new file mode 100644
index 0000000..a08c915
--- /dev/null
+++ b/llvm/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);
+}