Add SwiftShader source to repo
Oct 6 code drop from Transgaming
Review URL: https://chromereviews.googleplex.com/3846015
diff --git a/src/LLVM/lib/Target/Alpha/AlphaTargetMachine.cpp b/src/LLVM/lib/Target/Alpha/AlphaTargetMachine.cpp
new file mode 100644
index 0000000..fc9be03
--- /dev/null
+++ b/src/LLVM/lib/Target/Alpha/AlphaTargetMachine.cpp
@@ -0,0 +1,62 @@
+//===-- AlphaTargetMachine.cpp - Define TargetMachine for Alpha -----------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//
+//===----------------------------------------------------------------------===//
+
+#include "Alpha.h"
+#include "AlphaJITInfo.h"
+#include "AlphaMCAsmInfo.h"
+#include "AlphaTargetMachine.h"
+#include "llvm/PassManager.h"
+#include "llvm/Support/FormattedStream.h"
+#include "llvm/Target/TargetRegistry.h"
+using namespace llvm;
+
+extern "C" void LLVMInitializeAlphaTarget() {
+ // Register the target.
+ RegisterTargetMachine<AlphaTargetMachine> X(TheAlphaTarget);
+ RegisterAsmInfo<AlphaMCAsmInfo> Y(TheAlphaTarget);
+}
+
+AlphaTargetMachine::AlphaTargetMachine(const Target &T, const std::string &TT,
+ const std::string &FS)
+ : LLVMTargetMachine(T, TT),
+ DataLayout("e-f128:128:128-n64"),
+ FrameInfo(TargetFrameInfo::StackGrowsDown, 16, 0),
+ JITInfo(*this),
+ Subtarget(TT, FS),
+ TLInfo(*this),
+ TSInfo(*this) {
+ setRelocationModel(Reloc::PIC_);
+}
+
+
+//===----------------------------------------------------------------------===//
+// Pass Pipeline Configuration
+//===----------------------------------------------------------------------===//
+
+bool AlphaTargetMachine::addInstSelector(PassManagerBase &PM,
+ CodeGenOpt::Level OptLevel) {
+ PM.add(createAlphaISelDag(*this));
+ return false;
+}
+bool AlphaTargetMachine::addPreEmitPass(PassManagerBase &PM,
+ CodeGenOpt::Level OptLevel) {
+ // Must run branch selection immediately preceding the asm printer
+ PM.add(createAlphaBranchSelectionPass());
+ PM.add(createAlphaLLRPPass(*this));
+ return false;
+}
+bool AlphaTargetMachine::addCodeEmitter(PassManagerBase &PM,
+ CodeGenOpt::Level OptLevel,
+ JITCodeEmitter &JCE) {
+ PM.add(createAlphaJITCodeEmitterPass(*this, JCE));
+ return false;
+}
