//===-- SparcV9Internals.h --------------------------------------*- C++ -*-===//
-//
+//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
+//
//===----------------------------------------------------------------------===//
-//
+//
// This file defines stuff that is to be private to the SparcV9 backend, but is
// shared among different portions of the backend.
//
#include "SparcV9RegInfo.h"
#include "llvm/Type.h"
#include "SparcV9RegClassInfo.h"
-#include "llvm/Config/sys/types.h"
namespace llvm {
-class LiveRange;
+class V9LiveRange;
class SparcV9TargetMachine;
class ModulePass;
+class GetElementPtrInst;
enum SparcV9InstrSchedClass {
- SPARC_NONE, /* Instructions with no scheduling restrictions */
- SPARC_IEUN, /* Integer class that can use IEU0 or IEU1 */
- SPARC_IEU0, /* Integer class IEU0 */
- SPARC_IEU1, /* Integer class IEU1 */
- SPARC_FPM, /* FP Multiply or Divide instructions */
- SPARC_FPA, /* All other FP instructions */
- SPARC_CTI, /* Control-transfer instructions */
- SPARC_LD, /* Load instructions */
- SPARC_ST, /* Store instructions */
- SPARC_SINGLE, /* Instructions that must issue by themselves */
-
- SPARC_INV, /* This should stay at the end for the next value */
+ SPARC_NONE, /* Instructions with no scheduling restrictions */
+ SPARC_IEUN, /* Integer class that can use IEU0 or IEU1 */
+ SPARC_IEU0, /* Integer class IEU0 */
+ SPARC_IEU1, /* Integer class IEU1 */
+ SPARC_FPM, /* FP Multiply or Divide instructions */
+ SPARC_FPA, /* All other FP instructions */
+ SPARC_CTI, /* Control-transfer instructions */
+ SPARC_LD, /* Load instructions */
+ SPARC_ST, /* Store instructions */
+ SPARC_SINGLE, /* Instructions that must issue by themselves */
+
+ SPARC_INV, /* This should stay at the end for the next value */
SPARC_NUM_SCHED_CLASSES = SPARC_INV
};
//---------------------------------------------------------------------------
-// enum SparcV9MachineOpCode.
+// enum SparcV9MachineOpCode.
// const TargetInstrDescriptor SparcV9MachineInstrDesc[]
-//
+//
// Purpose:
// Description of UltraSparcV9 machine instructions.
-//
+//
//---------------------------------------------------------------------------
namespace V9 {
// End-of-array marker
INVALID_OPCODE,
- NUM_REAL_OPCODES = PHI, // number of valid opcodes
+ NUM_REAL_OPCODES = PHI, // number of valid opcodes
NUM_TOTAL_OPCODES = INVALID_OPCODE
};
}
//---------------------------------------------------------------------------
// class SparcV9SchedInfo
-//
+//
// Purpose:
// Interface to instruction scheduling information for UltraSPARC.
// The parameter values above are based on UltraSPARC IIi.
///
FunctionPass *createPreSelectionPass(const TargetMachine &TM);
+// DecomposeMultiDimRefs - Convert multi-dimensional references consisting of
+// any combination of 2 or more array and structure indices into a sequence of
+// instructions (using getelementpr and cast) so that each instruction has at
+// most one index (except structure references, which need an extra leading
+// index of [0]).
+// This pass decomposes all multi-dimensional references in a function.
+FunctionPass *createDecomposeMultiDimRefsPass();
+
+// This function decomposes a single instance of such a reference.
+// Return value: true if the instruction was replaced; false otherwise.
+//
+bool DecomposeArrayRef(GetElementPtrInst* GEP);
+
/// Peephole optimization pass operating on machine code
///
FunctionPass *createPeepholeOptsPass(const TargetMachine &TM);