Import LLVM, at r72732.

1 files changed, 100 insertions, 0 deletions

diff --git a/lib/Target/ARM/ARMConstantPoolValue.cpp b/lib/Target/ARM/ARMConstantPoolValue.cpp
new file mode 100644
index 0000000..3a038c9
--- /dev/null
+++ b/lib/Target/ARM/ARMConstantPoolValue.cpp
@@ -0,0 +1,100 @@
+//===- ARMConstantPoolValue.cpp - ARM constantpool value --------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the ARM specific constantpool value class.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ARMConstantPoolValue.h"
+#include "llvm/ADT/FoldingSet.h"
+#include "llvm/GlobalValue.h"
+#include "llvm/Type.h"
+#include "llvm/Support/Streams.h"
+#include "llvm/Support/raw_ostream.h"
+#include <ostream>
+using namespace llvm;
+
+ARMConstantPoolValue::ARMConstantPoolValue(GlobalValue *gv, unsigned id,
+                                           ARMCP::ARMCPKind k,
+                                           unsigned char PCAdj,
+                                           const char *Modif,
+                                           bool AddCA)
+  : MachineConstantPoolValue((const Type*)gv->getType()),
+    GV(gv), S(NULL), LabelId(id), Kind(k), PCAdjust(PCAdj),
+    Modifier(Modif), AddCurrentAddress(AddCA) {}
+
+ARMConstantPoolValue::ARMConstantPoolValue(const char *s, unsigned id,
+                                           ARMCP::ARMCPKind k,
+                                           unsigned char PCAdj,
+                                           const char *Modif,
+                                           bool AddCA)
+  : MachineConstantPoolValue((const Type*)Type::Int32Ty),
+    GV(NULL), S(s), LabelId(id), Kind(k), PCAdjust(PCAdj),
+    Modifier(Modif), AddCurrentAddress(AddCA) {}
+
+ARMConstantPoolValue::ARMConstantPoolValue(GlobalValue *gv,
+                                           ARMCP::ARMCPKind k,
+                                           const char *Modif)
+  : MachineConstantPoolValue((const Type*)Type::Int32Ty),
+    GV(gv), S(NULL), LabelId(0), Kind(k), PCAdjust(0),
+    Modifier(Modif) {}
+
+int ARMConstantPoolValue::getExistingMachineCPValue(MachineConstantPool *CP,
+                                                    unsigned Alignment) {
+  unsigned AlignMask = Alignment - 1;
+  const std::vector<MachineConstantPoolEntry> Constants = CP->getConstants();
+  for (unsigned i = 0, e = Constants.size(); i != e; ++i) {
+    if (Constants[i].isMachineConstantPoolEntry() &&
+        (Constants[i].getAlignment() & AlignMask) == 0) {
+      ARMConstantPoolValue *CPV =
+        (ARMConstantPoolValue *)Constants[i].Val.MachineCPVal;
+      if (CPV->GV == GV &&
+          CPV->S == S &&
+          CPV->LabelId == LabelId &&
+          CPV->Kind == Kind &&
+          CPV->PCAdjust == PCAdjust)
+        return i;
+    }
+  }
+
+  return -1;
+}
+
+void
+ARMConstantPoolValue::AddSelectionDAGCSEId(FoldingSetNodeID &ID) {
+  ID.AddPointer(GV);
+  ID.AddPointer(S);
+  ID.AddInteger(LabelId);
+  ID.AddInteger((unsigned)Kind);
+  ID.AddInteger(PCAdjust);
+}
+
+void ARMConstantPoolValue::dump() const {
+  cerr << "  " << *this;
+}
+
+void ARMConstantPoolValue::print(std::ostream &O) const {
+  raw_os_ostream RawOS(O);
+  print(RawOS);
+}
+
+void ARMConstantPoolValue::print(raw_ostream &O) const {
+  if (GV)
+    O << GV->getName();
+  else
+    O << S;
+  if (isNonLazyPointer()) O << "$non_lazy_ptr";
+  else if (isStub()) O << "$stub";
+  if (Modifier) O << "(" << Modifier << ")";
+  if (PCAdjust != 0) {
+    O << "-(LPC" << LabelId << "+" << (unsigned)PCAdjust;
+    if (AddCurrentAddress) O << "-.";
+    O << ")";
+  }
+}