1 files changed, 60 insertions, 0 deletions
diff --git a/lib/Target/Lanai/MCTargetDesc/LanaiMCExpr.cpp b/lib/Target/Lanai/MCTargetDesc/LanaiMCExpr.cpp
new file mode 100644
index 000000000000..201c95de07f4
--- /dev/null
+++ b/lib/Target/Lanai/MCTargetDesc/LanaiMCExpr.cpp
@@ -0,0 +1,60 @@
+//===-- LanaiMCExpr.cpp - Lanai specific MC expression classes ------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "LanaiMCExpr.h"
+#include "llvm/MC/MCAssembler.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCStreamer.h"
+using namespace llvm;
+
+#define DEBUG_TYPE "lanaimcexpr"
+
+const LanaiMCExpr *LanaiMCExpr::create(VariantKind Kind, const MCExpr *Expr,
+                                       MCContext &Ctx) {
+  return new (Ctx) LanaiMCExpr(Kind, Expr);
+}
+
+void LanaiMCExpr::printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const {
+  if (Kind == VK_Lanai_None) {
+    Expr->print(OS, MAI);
+    return;
+  }
+
+  switch (Kind) {
+  default:
+    llvm_unreachable("Invalid kind!");
+  case VK_Lanai_ABS_HI:
+    OS << "hi";
+    break;
+  case VK_Lanai_ABS_LO:
+    OS << "lo";
+    break;
+  }
+
+  OS << '(';
+  const MCExpr *Expr = getSubExpr();
+  Expr->print(OS, MAI);
+  OS << ')';
+}
+
+void LanaiMCExpr::visitUsedExpr(MCStreamer &Streamer) const {
+  Streamer.visitUsedExpr(*getSubExpr());
+}
+
+bool LanaiMCExpr::evaluateAsRelocatableImpl(MCValue &Res,
+                                            const MCAsmLayout *Layout,
+                                            const MCFixup *Fixup) const {
+  if (!getSubExpr()->evaluateAsRelocatable(Res, Layout, Fixup))
+    return false;
+
+  Res =
+      MCValue::get(Res.getSymA(), Res.getSymB(), Res.getConstant(), getKind());
+
+  return true;
+}