#include "llvm/CallingConv.h"
#include "llvm/InlineAsm.h"
#include "llvm/Attributes.h"
+#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/CodeGen/SelectionDAGNodes.h"
#include "llvm/CodeGen/RuntimeLibcalls.h"
-#include "llvm/ADT/APFloat.h"
-#include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/SmallSet.h"
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/STLExtras.h"
#include "llvm/Support/DebugLoc.h"
#include "llvm/Target/TargetCallingConv.h"
#include "llvm/Target/TargetMachine.h"
namespace llvm {
class AllocaInst;
+ class APFloat;
class CallInst;
class Function;
class FastISel;
class SDNode;
class SDValue;
class SelectionDAG;
+ template<typename T> class SmallVectorImpl;
class TargetData;
class TargetMachine;
class TargetRegisterClass;
/// for it.
LegalizeAction getLoadExtAction(unsigned ExtType, EVT VT) const {
assert(ExtType < ISD::LAST_LOADEXT_TYPE &&
- (unsigned)VT.getSimpleVT().SimpleTy < MVT::LAST_VALUETYPE &&
+ VT.getSimpleVT() < MVT::LAST_VALUETYPE &&
"Table isn't big enough!");
return (LegalizeAction)LoadExtActions[VT.getSimpleVT().SimpleTy][ExtType];
}
/// to be expanded to some other code sequence, or the target has a custom
/// expander for it.
LegalizeAction getTruncStoreAction(EVT ValVT, EVT MemVT) const {
- assert((unsigned)ValVT.getSimpleVT().SimpleTy < MVT::LAST_VALUETYPE &&
- (unsigned)MemVT.getSimpleVT().SimpleTy < MVT::LAST_VALUETYPE &&
+ assert(ValVT.getSimpleVT() < MVT::LAST_VALUETYPE &&
+ MemVT.getSimpleVT() < MVT::LAST_VALUETYPE &&
"Table isn't big enough!");
return (LegalizeAction)TruncStoreActions[ValVT.getSimpleVT().SimpleTy]
[MemVT.getSimpleVT().SimpleTy];
/// for it.
LegalizeAction
getIndexedLoadAction(unsigned IdxMode, EVT VT) const {
- assert( IdxMode < ISD::LAST_INDEXED_MODE &&
- ((unsigned)VT.getSimpleVT().SimpleTy) < MVT::LAST_VALUETYPE &&
+ assert(IdxMode < ISD::LAST_INDEXED_MODE &&
+ VT.getSimpleVT() < MVT::LAST_VALUETYPE &&
"Table isn't big enough!");
unsigned Ty = (unsigned)VT.getSimpleVT().SimpleTy;
return (LegalizeAction)((IndexedModeActions[Ty][IdxMode] & 0xf0) >> 4);
/// for it.
LegalizeAction
getIndexedStoreAction(unsigned IdxMode, EVT VT) const {
- assert( IdxMode < ISD::LAST_INDEXED_MODE &&
- ((unsigned)VT.getSimpleVT().SimpleTy) < MVT::LAST_VALUETYPE &&
+ assert(IdxMode < ISD::LAST_INDEXED_MODE &&
+ VT.getSimpleVT() < MVT::LAST_VALUETYPE &&
"Table isn't big enough!");
unsigned Ty = (unsigned)VT.getSimpleVT().SimpleTy;
return (LegalizeAction)(IndexedModeActions[Ty][IdxMode] & 0x0f);
/// not work with the specified type and indicate what to do about it.
void setLoadExtAction(unsigned ExtType, MVT VT,
LegalizeAction Action) {
- assert(ExtType < ISD::LAST_LOADEXT_TYPE &&
- (unsigned)VT.SimpleTy < MVT::LAST_VALUETYPE &&
+ assert(ExtType < ISD::LAST_LOADEXT_TYPE && VT < MVT::LAST_VALUETYPE &&
"Table isn't big enough!");
LoadExtActions[VT.SimpleTy][ExtType] = (uint8_t)Action;
}
/// not work with the specified type and indicate what to do about it.
void setTruncStoreAction(MVT ValVT, MVT MemVT,
LegalizeAction Action) {
- assert((unsigned)ValVT.SimpleTy < MVT::LAST_VALUETYPE &&
- (unsigned)MemVT.SimpleTy < MVT::LAST_VALUETYPE &&
+ assert(ValVT < MVT::LAST_VALUETYPE && MemVT < MVT::LAST_VALUETYPE &&
"Table isn't big enough!");
TruncStoreActions[ValVT.SimpleTy][MemVT.SimpleTy] = (uint8_t)Action;
}
/// TargetLowering.cpp
void setIndexedLoadAction(unsigned IdxMode, MVT VT,
LegalizeAction Action) {
- assert((unsigned)VT.SimpleTy < MVT::LAST_VALUETYPE &&
- IdxMode < ISD::LAST_INDEXED_MODE &&
- (unsigned)Action < 0xf &&
- "Table isn't big enough!");
+ assert(VT < MVT::LAST_VALUETYPE && IdxMode < ISD::LAST_INDEXED_MODE &&
+ (unsigned)Action < 0xf && "Table isn't big enough!");
// Load action are kept in the upper half.
IndexedModeActions[(unsigned)VT.SimpleTy][IdxMode] &= ~0xf0;
IndexedModeActions[(unsigned)VT.SimpleTy][IdxMode] |= ((uint8_t)Action) <<4;
/// TargetLowering.cpp
void setIndexedStoreAction(unsigned IdxMode, MVT VT,
LegalizeAction Action) {
- assert((unsigned)VT.SimpleTy < MVT::LAST_VALUETYPE &&
- IdxMode < ISD::LAST_INDEXED_MODE &&
- (unsigned)Action < 0xf &&
- "Table isn't big enough!");
+ assert(VT < MVT::LAST_VALUETYPE && IdxMode < ISD::LAST_INDEXED_MODE &&
+ (unsigned)Action < 0xf && "Table isn't big enough!");
// Store action are kept in the lower half.
IndexedModeActions[(unsigned)VT.SimpleTy][IdxMode] &= ~0x0f;
IndexedModeActions[(unsigned)VT.SimpleTy][IdxMode] |= ((uint8_t)Action);
/// supported on the target and indicate what to do about it.
void setCondCodeAction(ISD::CondCode CC, MVT VT,
LegalizeAction Action) {
- assert((unsigned)VT.SimpleTy < MVT::LAST_VALUETYPE &&
+ assert(VT < MVT::LAST_VALUETYPE &&
(unsigned)CC < array_lengthof(CondCodeActions) &&
"Table isn't big enough!");
CondCodeActions[(unsigned)CC] &= ~(uint64_t(3UL) << VT.SimpleTy*2);
C_Unknown // Unsupported constraint.
};
+ enum ConstraintWeight {
+ // Generic weights.
+ CW_Invalid = -1, // No match.
+ CW_Okay = 0, // Acceptable.
+ CW_Good = 1, // Good weight.
+ CW_Better = 2, // Better weight.
+ CW_Best = 3, // Best weight.
+
+ // Well-known weights.
+ CW_SpecificReg = CW_Okay, // Specific register operands.
+ CW_Register = CW_Good, // Register operands.
+ CW_Memory = CW_Better, // Memory operands.
+ CW_Constant = CW_Best, // Constant operand.
+ CW_Default = CW_Okay // Default or don't know type.
+ };
+
/// AsmOperandInfo - This contains information for each constraint that we are
/// lowering.
struct AsmOperandInfo : public InlineAsm::ConstraintInfo {
}
};
+ typedef std::vector<AsmOperandInfo> AsmOperandInfoVector;
+
/// ParseConstraints - Split up the constraint string from the inline
/// assembly value into the specific constraints and their prefixes,
/// and also tie in the associated operand values.
/// If this returns an empty vector, and if the constraint string itself
/// isn't empty, there was an error parsing.
- virtual std::vector<AsmOperandInfo> ParseConstraints(
- ImmutableCallSite CS) const;
+ virtual AsmOperandInfoVector ParseConstraints(ImmutableCallSite CS) const;
- /// Examine constraint type and operand type and determine a weight value,
- /// where: -1 = invalid match, and 0 = so-so match to 5 = good match.
+ /// Examine constraint type and operand type and determine a weight value.
/// The operand object must already have been set up with the operand type.
- virtual int getMultipleConstraintMatchWeight(
+ virtual ConstraintWeight getMultipleConstraintMatchWeight(
AsmOperandInfo &info, int maIndex) const;
- /// Examine constraint string and operand type and determine a weight value,
- /// where: -1 = invalid match, and 0 = so-so match to 3 = good match.
+ /// Examine constraint string and operand type and determine a weight value.
/// The operand object must already have been set up with the operand type.
- virtual int getSingleConstraintMatchWeight(
+ virtual ConstraintWeight getSingleConstraintMatchWeight(
AsmOperandInfo &info, const char *constraint) const;
/// ComputeConstraintToUse - Determines the constraint code and constraint