mirror of https://git.wuffs.org/MWCC
113 lines
4.4 KiB
C
113 lines
4.4 KiB
C
#ifndef COMPILER_IROUTIL_H
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#define COMPILER_IROUTIL_H
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#include "compiler/IrOptimizer.h"
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#include "compiler/CParser.h"
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#ifdef __MWERKS__
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#pragma options align=mac68k
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#endif
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struct IROList {
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IROLinear *head;
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IROLinear *tail;
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};
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struct IROListNode {
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IROList list;
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IROListNode *nextList;
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};
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struct IROElmList {
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void *element;
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IROElmList *next;
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};
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struct IROAddrRecord {
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IROLinear *linear;
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unsigned short numObjRefs;
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IROElmList *objRefs;
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unsigned short numMisc;
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IROElmList *misc;
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unsigned short numInts;
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IROElmList *ints;
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int x16;
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};
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#ifdef __MWERKS__
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#pragma options align=reset
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#endif
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extern Object *FunctionName;
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extern Boolean IRO_IsLeafFunction;
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extern Boolean IRO_FunctionHasReturn;
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extern Boolean DisableDueToAsm;
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extern Boolean LoopOptimizerRun;
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extern Object *IRO_IsVariable(IROLinear *linear);
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extern Boolean IRO_IsConstant(IROLinear *linear);
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extern Boolean IRO_IsPow2(IROLinear *linear, SInt32 *powvalue);
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extern Boolean IRO_IsIntConstant(IROLinear *linear);
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extern Boolean IRO_IsFloatConstant(IROLinear *linear);
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extern Boolean IRO_IsVector128Constant(IROLinear *linear);
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extern Boolean IRO_IsAssignment(IROLinear *linear);
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extern Boolean IRO_TypesEqual(Type *a, Type *b);
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extern Type *IRO_UnsignedType(Type *type);
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extern Type *IRO_SignedType(Type *type);
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extern Boolean IRO_is_CPtypeequal(Type *a, Type *b);
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extern Boolean IRO_ExprsSame(IROLinear *a, IROLinear *b);
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extern CLabel *IRO_NewLabel(void);
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extern Boolean IRO_ExprsSameSemantically(IROLinear *a, IROLinear *b);
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extern IROLinear *IRO_FindPrecedAfter(IROLinear *a, IROLinear *iter);
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extern IROLinear *IRO_FindPreced(IROLinear *a);
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extern IROLinear *IRO_FindFirst(IROLinear *linear);
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extern void IRO_CutAndPasteAfter(IROLinear *a, IROLinear *b, IROLinear *c);
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extern Boolean IRO_IsConstantZero(IROLinear *linear);
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extern Boolean IRO_IsConstantOne(IROLinear *linear);
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extern Boolean IRO_IsConstantNegativeOne(IROLinear *linear);
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extern void IRO_NopOut(IROLinear *linear);
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extern void IRO_NopNonSideEffects(IROLinear *linear, SInt32 level);
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extern void IRO_BuildList(IROLinear *linear, Boolean isEntry);
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typedef void (*IROWalkTreeFunc)(IROLinear *linear, Boolean isEntry);
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extern void IRO_WalkTree(IROLinear *linear, IROWalkTreeFunc func);
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extern void IRO_WalkTreeToPropagateFlags(IROLinear *linear, IROWalkTreeFunc func);
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extern void IRO_WalkInts(IROLinear *a, IROLinear *b, IROWalkTreeFunc func);
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extern void IRO_Cut(IROLinear *a, IROLinear *b);
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extern void IRO_Paste(IROLinear *a, IROLinear *b, IROLinear *c);
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extern void IRO_PasteAfter(IROLinear *a, IROLinear *b, IROLinear *c);
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extern void IRO_ClipExpr(IROExpr *expr);
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extern void IRO_ClipExprTree(IROLinear *linear);
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extern void IRO_MoveExpression(IROExpr *expr, IROLinear *linear);
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extern void IRO_InitList(IROList *list);
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extern void IRO_AddToList(IROLinear *linear, IROList *list);
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extern IROLinear *IRO_FindLabelNode(CLabel *label, IROLinear *linear);
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extern void IRO_DuplicateExprRange(IROLinear *start, IROLinear *end, IROList *list);
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extern IROLinear *IRO_DuplicateExpr(IROLinear *linear, IROList *list);
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extern IROLinear *IRO_TempReference(Object *obj, IROList *list);
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extern IROLinear *IRO_LocateFather(IROLinear *linear);
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extern IROLinear *IRO_LocateFather_Cut_And_Paste(IROLinear *a, IROLinear *b);
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extern IROLinear *IRO_LocateFather_Cut_And_Paste_Without_Nopping(IROLinear *a, IROLinear *b);
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extern void IRO_ReplaceReference(IROLinear *a, Object *obj, IROLinear *b);
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extern void IRO_ReplaceReferenceWithNode(IROLinear *a, IROLinear *b);
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extern void IRO_GetTemp(IROExpr *expr);
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extern IROLinear *IRO_AssignToTemp(IROExpr *expr);
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extern IROLinear *IRO_FindStart(IROLinear *linear);
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extern void IRO_DeleteCommaNode(IROLinear *linear, IROExpr *expr);
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extern void IRO_RemoveCommaNodeFromIR(void);
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extern IROAddrRecord *IRO_InitAddrRecordPointer(IROLinear *linear);
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extern IROLinear *IRO_HasSideEffect(IROLinear *linear);
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extern IROLinear *IRO_CheckSideEffect(IROLinear *linear);
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typedef void (*WalkObjFunc)(Object *obj);
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extern void IRO_WalkExcActions(ExceptionAction *action, WalkObjFunc func);
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extern Boolean IRO_FunctionCallMightThrowException(IROLinear *linear);
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extern IROLinear *IRO_NewIntConst(CInt64 val, Type *type);
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extern IROLinear *IRO_NewFloatConst(Float val, Type *type);
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extern Boolean IRO_IsAddressMultiply(IROLinear *linear);
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extern void IRO_SetupForUserBreakChecking(void);
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extern void IRO_CheckForUserBreak(void);
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// TODO is this elsewhere?
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inline Boolean IRO_IsUnsignedType(Type *type) {
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return is_unsigned(type);
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}
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#endif
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