move lots of source files around to match their actual placement in the original treemain

1 files changed, 1430 insertions, 0 deletions

diff --git a/compiler_and_linker/FrontEnd/Optimizer/IroVars.c b/compiler_and_linker/FrontEnd/Optimizer/IroVars.c
new file mode 100644
index 0000000..b72ba89
--- /dev/null
+++ b/compiler_and_linker/FrontEnd/Optimizer/IroVars.c
@@ -0,0 +1,1430 @@
+#include "IroVars.h"
+#include "IroDump.h"
+#include "IroFlowgraph.h"
+#include "IroJump.h"
+#include "IroLinearForm.h"
+#include "IroMalloc.h"
+#include "IroPointerAnalysis.h"
+#include "IroUtil.h"
+#include "IROUseDef.h"
+#include "compiler/CClass.h"
+#include "compiler/CError.h"
+#include "compiler/CExpr.h"
+#include "compiler/CFunc.h"
+#include "compiler/CParser.h"
+#include "compiler/CompilerTools.h"
+#include "compiler/Exceptions.h"
+#include "compiler/objects.h"
+#include "compiler/InlineAsm.h"
+#include "compiler/InlineAsmPPC.h"
+#include "BitVector.h"
+
+#ifdef __MWERKS__
+#pragma options align=mac68k
+#endif
+typedef struct IndirectRecordMatch {
+    IROLinear *nd;
+    struct IndirectRecordMatch *otherMatches;
+} IndirectRecordMatch;
+
+typedef struct IndirectRecord {
+    IROLinear *linear;
+    unsigned char flags;
+    VarRecord *var;
+    SInt32 addend;
+    SInt32 size;
+    int startbit;
+    int endbit;
+    Type *type;
+    struct IndirectRecord *next;
+    IndirectRecordMatch *matches;
+    IROLinear *x26;
+} IndirectRecord;
+#ifdef __MWERKS__
+#pragma options align=reset
+#endif
+
+static IndirectRecord *IRO_FirstIndirectRecord;
+static IndirectRecord *IRO_LastIndirectRecord;
+static IROLinear *TheBaseTerm;
+VarRecord *IRO_FirstVar;
+VarRecord *IRO_LastVar;
+SInt32 IRO_NumVars;
+Boolean IRO_IsBitField;
+SInt32 IRO_BaseTerms;
+SInt32 IRO_VarTerms;
+Boolean IRO_IsModifyOp[MAXEXPR];
+Boolean IRO_IsAssignOp[MAXEXPR];
+
+// forward decls
+static Boolean CheckAddress(IROLinear *nd, Boolean *resultFlag);
+static Boolean CheckAddressConsistency(IROLinear *nd, VarRecord *var, SInt32 addend, Type *type);
+static void DisableEntries(IndirectRecord *irec);
+static void DisableAddressedEntries(void);
+static UInt32 ObjectIsArg(Object *obj);
+
+void IRO_InitializeIRO_IsModifyOpArray(void) {
+    int i;
+
+    for (i = 0; i < MAXEXPR; i++)
+        IRO_IsModifyOp[i] = 0;
+
+    IRO_IsModifyOp[EPOSTINC] = 1;
+    IRO_IsModifyOp[EPOSTDEC] = 1;
+    IRO_IsModifyOp[EPREINC] = 1;
+    IRO_IsModifyOp[EPREDEC] = 1;
+    IRO_IsModifyOp[EINDIRECT] = 0;
+    IRO_IsModifyOp[EMONMIN] = 0;
+    IRO_IsModifyOp[EBINNOT] = 0;
+    IRO_IsModifyOp[ELOGNOT] = 0;
+    IRO_IsModifyOp[EFORCELOAD] = 0;
+    IRO_IsModifyOp[EMUL] = 0;
+    IRO_IsModifyOp[EMULV] = 0;
+    IRO_IsModifyOp[EDIV] = 0;
+    IRO_IsModifyOp[EMODULO] = 0;
+    IRO_IsModifyOp[EADDV] = 0;
+    IRO_IsModifyOp[ESUBV] = 0;
+    IRO_IsModifyOp[EADD] = 0;
+    IRO_IsModifyOp[ESUB] = 0;
+    IRO_IsModifyOp[ESHL] = 0;
+    IRO_IsModifyOp[ESHR] = 0;
+    IRO_IsModifyOp[ELESS] = 0;
+    IRO_IsModifyOp[EGREATER] = 0;
+    IRO_IsModifyOp[ELESSEQU] = 0;
+    IRO_IsModifyOp[EGREATEREQU] = 0;
+    IRO_IsModifyOp[EEQU] = 0;
+    IRO_IsModifyOp[ENOTEQU] = 0;
+    IRO_IsModifyOp[EAND] = 0;
+    IRO_IsModifyOp[EXOR] = 0;
+    IRO_IsModifyOp[EOR] = 0;
+    IRO_IsModifyOp[ELAND] = 0;
+    IRO_IsModifyOp[ELOR] = 0;
+    IRO_IsModifyOp[EASS] = 0;
+    IRO_IsModifyOp[EMULASS] = 1;
+    IRO_IsModifyOp[EDIVASS] = 1;
+    IRO_IsModifyOp[EMODASS] = 1;
+    IRO_IsModifyOp[EADDASS] = 1;
+    IRO_IsModifyOp[ESUBASS] = 1;
+    IRO_IsModifyOp[ESHLASS] = 1;
+    IRO_IsModifyOp[ESHRASS] = 1;
+    IRO_IsModifyOp[EANDASS] = 1;
+    IRO_IsModifyOp[EXORASS] = 1;
+    IRO_IsModifyOp[EORASS] = 1;
+    IRO_IsModifyOp[ECOMMA] = 0;
+    IRO_IsModifyOp[EPMODULO] = 1;
+    IRO_IsModifyOp[EROTL] = 1;
+    IRO_IsModifyOp[EROTR] = 1;
+    IRO_IsModifyOp[EBCLR] = 1;
+    IRO_IsModifyOp[EBTST] = 1;
+    IRO_IsModifyOp[EBSET] = 1;
+    IRO_IsModifyOp[ETYPCON] = 0;
+    IRO_IsModifyOp[EBITFIELD] = 0;
+    IRO_IsModifyOp[EINTCONST] = 0;
+    IRO_IsModifyOp[EFLOATCONST] = 0;
+    IRO_IsModifyOp[ESTRINGCONST] = 0;
+    IRO_IsModifyOp[ECOND] = 0;
+    IRO_IsModifyOp[EFUNCCALL] = 0;
+    IRO_IsModifyOp[EFUNCCALLP] = 0;
+    IRO_IsModifyOp[EOBJREF] = 0;
+    IRO_IsModifyOp[EMFPOINTER] = 0;
+    IRO_IsModifyOp[ENULLCHECK] = 0;
+    IRO_IsModifyOp[EPRECOMP] = 0;
+    IRO_IsModifyOp[ETEMP] = 0;
+    IRO_IsModifyOp[EARGOBJ] = 0;
+    IRO_IsModifyOp[ELOCOBJ] = 0;
+    IRO_IsModifyOp[ELABEL] = 0;
+    IRO_IsModifyOp[ESETCONST] = 0;
+    IRO_IsModifyOp[ENEWEXCEPTION] = 0;
+    IRO_IsModifyOp[ENEWEXCEPTIONARRAY] = 0;
+    IRO_IsModifyOp[EOBJLIST] = 0;
+    IRO_IsModifyOp[EMEMBER] = 0;
+    IRO_IsModifyOp[ETEMPLDEP] = 0;
+    IRO_IsModifyOp[EINSTRUCTION] = 0;
+    IRO_IsModifyOp[EDEFINE] = 0;
+    IRO_IsModifyOp[EREUSE] = 0;
+    IRO_IsModifyOp[EASSBLK] = 0;
+    IRO_IsModifyOp[EVECTOR128CONST] = 0;
+    IRO_IsModifyOp[ECONDASS] = 1;
+}
+
+void IRO_InitializeIRO_IsAssignOpArray(void) {
+    int i;
+
+    for (i = 0; i < MAXEXPR; i++)
+        IRO_IsAssignOp[i] = 0;
+
+    IRO_IsAssignOp[EPOSTINC] = 1;
+    IRO_IsAssignOp[EPOSTDEC] = 1;
+    IRO_IsAssignOp[EPREINC] = 1;
+    IRO_IsAssignOp[EPREDEC] = 1;
+    IRO_IsAssignOp[EINDIRECT] = 0;
+    IRO_IsAssignOp[EMONMIN] = 0;
+    IRO_IsAssignOp[EBINNOT] = 0;
+    IRO_IsAssignOp[ELOGNOT] = 0;
+    IRO_IsAssignOp[EFORCELOAD] = 0;
+    IRO_IsAssignOp[EMUL] = 0;
+    IRO_IsAssignOp[EMULV] = 0;
+    IRO_IsAssignOp[EDIV] = 0;
+    IRO_IsAssignOp[EMODULO] = 0;
+    IRO_IsAssignOp[EADDV] = 0;
+    IRO_IsAssignOp[ESUBV] = 0;
+    IRO_IsAssignOp[EADD] = 0;
+    IRO_IsAssignOp[ESUB] = 0;
+    IRO_IsAssignOp[ESHL] = 0;
+    IRO_IsAssignOp[ESHR] = 0;
+    IRO_IsAssignOp[ELESS] = 0;
+    IRO_IsAssignOp[EGREATER] = 0;
+    IRO_IsAssignOp[ELESSEQU] = 0;
+    IRO_IsAssignOp[EGREATEREQU] = 0;
+    IRO_IsAssignOp[EEQU] = 0;
+    IRO_IsAssignOp[ENOTEQU] = 0;
+    IRO_IsAssignOp[EAND] = 0;
+    IRO_IsAssignOp[EXOR] = 0;
+    IRO_IsAssignOp[EOR] = 0;
+    IRO_IsAssignOp[ELAND] = 0;
+    IRO_IsAssignOp[ELOR] = 0;
+    IRO_IsAssignOp[EASS] = 1;
+    IRO_IsAssignOp[EMULASS] = 1;
+    IRO_IsAssignOp[EDIVASS] = 1;
+    IRO_IsAssignOp[EMODASS] = 1;
+    IRO_IsAssignOp[EADDASS] = 1;
+    IRO_IsAssignOp[ESUBASS] = 1;
+    IRO_IsAssignOp[ESHLASS] = 1;
+    IRO_IsAssignOp[ESHRASS] = 1;
+    IRO_IsAssignOp[EANDASS] = 1;
+    IRO_IsAssignOp[EXORASS] = 1;
+    IRO_IsAssignOp[EORASS] = 1;
+    IRO_IsAssignOp[ECOMMA] = 0;
+    IRO_IsAssignOp[EPMODULO] = 1;
+    IRO_IsAssignOp[EROTL] = 1;
+    IRO_IsAssignOp[EROTR] = 1;
+    IRO_IsAssignOp[EBCLR] = 1;
+    IRO_IsAssignOp[EBTST] = 1;
+    IRO_IsAssignOp[EBSET] = 1;
+    IRO_IsAssignOp[ETYPCON] = 0;
+    IRO_IsAssignOp[EBITFIELD] = 0;
+    IRO_IsAssignOp[EINTCONST] = 0;
+    IRO_IsAssignOp[EFLOATCONST] = 0;
+    IRO_IsAssignOp[ESTRINGCONST] = 0;
+    IRO_IsAssignOp[ECOND] = 0;
+    IRO_IsAssignOp[EFUNCCALL] = 0;
+    IRO_IsAssignOp[EFUNCCALLP] = 0;
+    IRO_IsAssignOp[EOBJREF] = 0;
+    IRO_IsAssignOp[EMFPOINTER] = 0;
+    IRO_IsAssignOp[ENULLCHECK] = 0;
+    IRO_IsAssignOp[EPRECOMP] = 0;
+    IRO_IsAssignOp[ETEMP] = 0;
+    IRO_IsAssignOp[EARGOBJ] = 0;
+    IRO_IsAssignOp[ELOCOBJ] = 0;
+    IRO_IsAssignOp[ELABEL] = 0;
+    IRO_IsAssignOp[ESETCONST] = 0;
+    IRO_IsAssignOp[ENEWEXCEPTION] = 0;
+    IRO_IsAssignOp[ENEWEXCEPTIONARRAY] = 0;
+    IRO_IsAssignOp[EOBJLIST] = 0;
+    IRO_IsAssignOp[EMEMBER] = 0;
+    IRO_IsAssignOp[ETEMPLDEP] = 0;
+    IRO_IsAssignOp[EINSTRUCTION] = 0;
+    IRO_IsAssignOp[EDEFINE] = 0;
+    IRO_IsAssignOp[EREUSE] = 0;
+    IRO_IsAssignOp[EASSBLK] = 0;
+    IRO_IsAssignOp[EVECTOR128CONST] = 0;
+    IRO_IsAssignOp[ECONDASS] = 1;
+}
+
+VarRecord *IRO_FindVar(Object *object, Boolean flag1, Boolean flag2) {
+    VarRecord *var;
+    VarInfo *vi;
+
+    var = object->varptr;
+    if (!var && flag1) {
+        vi = NULL;
+        if (object->datatype == DLOCAL)
+            vi = object->u.var.info;
+        if (vi)
+            vi->usage = 0;
+        var = oalloc(sizeof(VarRecord));
+        var->object = object;
+        var->index = ++IRO_NumVars;
+        var->x6 = 0;
+        var->xA = 0;
+        var->next = NULL;
+        var->defs = NULL;
+        var->uses = NULL;
+        var->x1A = NULL;
+        var->x1E = NULL;
+        var->xB = 0;
+        if (IRO_FirstVar)
+            IRO_LastVar->next = var;
+        else
+            IRO_FirstVar = var;
+        IRO_LastVar = var;
+        object->varptr = var;
+    }
+
+    if (var && !flag2) {
+        var->xB = 1;
+        if (object->datatype == DLOCAL && object->u.var.info && object->u.var.info->noregister == 0)
+            object->u.var.info->noregister = 2;
+    }
+
+    return var;
+}
+
+static void ResetVars(void) {
+    VarRecord *var;
+
+    for (var = IRO_FirstVar; var; var = var->next) {
+        var->xB = 0;
+        if (var->object && var->object->datatype == DLOCAL && var->object->u.var.info) {
+            if (var->object->u.var.info->noregister == 2)
+                var->object->u.var.info->noregister = 0;
+        }
+    }
+}
+
+static void IRO_HandleExceptionActions(IROLinear *linear) {
+    ExceptionAction *action;
+
+    for (action = linear->stmt->dobjstack; action; action = action->prev) {
+        switch (action->type) {
+            case EAT_DESTROYLOCAL:
+                IRO_FindVar(action->data.destroy_local.local, 1, 0);
+                break;
+            case EAT_DESTROYLOCALCOND:
+                IRO_FindVar(action->data.destroy_local_cond.local, 1, 0);
+                break;
+            case EAT_DESTROYLOCALOFFSET:
+                IRO_FindVar(action->data.destroy_local_offset.local, 1, 0);
+                break;
+            case EAT_DESTROYLOCALARRAY:
+                IRO_FindVar(action->data.destroy_local_array.localarray, 1, 0);
+                break;
+            case EAT_DESTROYMEMBER:
+            case EAT_DESTROYBASE:
+                IRO_FindVar(action->data.destroy_member.objectptr, 1, 0);
+                break;
+            case EAT_DESTROYMEMBERCOND:
+                IRO_FindVar(action->data.destroy_member_cond.objectptr, 1, 0);
+                break;
+            case EAT_DESTROYMEMBERARRAY:
+                IRO_FindVar(action->data.destroy_member_array.objectptr, 1, 0);
+                break;
+            case EAT_CATCHBLOCK:
+                if (action->data.catch_block.catch_object)
+                    IRO_FindVar(action->data.catch_block.catch_object, 1, 0);
+                IRO_FindVar(action->data.catch_block.catch_info_object, 1, 0);
+                break;
+            case EAT_ACTIVECATCHBLOCK:
+                IRO_FindVar(action->data.active_catch_block.catch_info_object, 1, 0);
+                break;
+        }
+    }
+}
+
+void IRO_FindAllVars(void) {
+    IROLinear *linear;
+    VarRecord *var;
+
+    linear = IRO_FirstLinear;
+    IRO_NumVars = 0;
+    IRO_FirstVar = IRO_LastVar = NULL;
+
+    while (linear) {
+        if (IS_LINEAR_ENODE(linear, EOBJREF)) {
+            if (Inline_IsObjectData(linear->u.node->data.objref) || linear->u.node->data.objref->datatype == DLOCAL)
+                IRO_FindVar(linear->u.node->data.objref, 1, (linear->flags & IROLF_Ind) != 0);
+            else
+                linear->u.node->data.objref->varptr = NULL;
+        } else if (linear->type == IROLinearFunccall) {
+            if (linear->stmt && IRO_FunctionCallMightThrowException(linear))
+                IRO_HandleExceptionActions(linear);
+        } else if (linear->type == IROLinearAsm) {
+            IAEffects effects;
+            int i;
+            CodeGen_GetAsmEffects(linear->u.asm_stmt, &effects);
+            for (i = 0; i < effects.numoperands; i++)
+                IRO_FindVar(effects.operands[i].object, 1, effects.operands[i].type != IAEffect_3);
+        }
+        linear = linear->next;
+    }
+
+    var = IRO_FirstVar;
+    Bv_AllocVector(&IRO_FuncKills, IRO_NumVars + 1);
+    Bv_SetBit(0, IRO_FuncKills);
+    while (var) {
+        if (Inline_IsObjectData(var->object) || var->xB)
+            Bv_SetBit(var->index, IRO_FuncKills);
+        var = var->next;
+    }
+
+    IRO_CheckForUserBreak();
+}
+
+void IRO_ZapVarPtrs(void) {
+    VarRecord *var;
+
+    for (var = IRO_FirstVar; var; var = var->next)
+        var->object->varptr = NULL;
+}
+
+void IRO_UpdateVars(void) {
+    IROLinear *linear;
+    VarRecord *var;
+
+    ResetVars();
+
+    for (linear = IRO_FirstLinear; linear; linear = linear->next) {
+        if (IS_LINEAR_ENODE(linear, EOBJREF)) {
+            if (Inline_IsObjectData(linear->u.node->data.objref) || linear->u.node->data.objref->datatype == DLOCAL)
+                IRO_FindVar(linear->u.node->data.objref, 0, (linear->flags & IROLF_Ind) || !(linear->flags & IROLF_Reffed));
+        } else if (linear->type == IROLinearFunccall) {
+            if (linear->stmt && IRO_FunctionCallMightThrowException(linear))
+                IRO_HandleExceptionActions(linear);
+        } else if (linear->type == IROLinearAsm) {
+            IAEffects effects;
+            int i;
+            CodeGen_GetAsmEffects(linear->u.asm_stmt, &effects);
+            for (i = 0; i < effects.numoperands; i++)
+                IRO_FindVar(effects.operands[i].object, 0, effects.operands[i].type != IAEffect_3);
+        }
+    }
+
+    var = IRO_FirstVar;
+    Bv_AllocVector(&IRO_FuncKills, IRO_NumVars + 1);
+    Bv_SetBit(0, IRO_FuncKills);
+    while (var) {
+        if (Inline_IsObjectData(var->object) || var->xB)
+            Bv_SetBit(var->index, IRO_FuncKills);
+        var = var->next;
+    }
+}
+
+void IRO_AddElmToList(IROLinear *linear, IROElmList **list) {
+    IROElmList *l = oalloc(sizeof(IROElmList));
+    l->element = linear;
+    l->next = NULL;
+    if (!*list) {
+        *list = l;
+    } else {
+        l->next = *list;
+        *list = l;
+    }
+}
+
+void IRO_DecomposeAddressExpression(IROLinear *linear, IROAddrRecord *rec) {
+    if (IS_LINEAR_DIADIC(linear->u.diadic.left, EADD)) {
+        IRO_DecomposeAddressExpression(linear->u.diadic.left, rec);
+    } else if (IS_LINEAR_ENODE(linear->u.diadic.left, EINTCONST)) {
+        rec->numInts++;
+        IRO_AddElmToList(linear->u.diadic.left, &rec->ints);
+    } else if (IS_LINEAR_ENODE(linear->u.diadic.left, EOBJREF)) {
+        rec->numObjRefs++;
+        IRO_AddElmToList(linear->u.diadic.left, &rec->objRefs);
+    } else {
+        rec->numMisc++;
+        IRO_AddElmToList(linear->u.diadic.left, &rec->misc);
+    }
+
+    if (IS_LINEAR_DIADIC(linear->u.diadic.right, EADD)) {
+        IRO_DecomposeAddressExpression(linear->u.diadic.right, rec);
+    } else if (IS_LINEAR_ENODE(linear->u.diadic.right, EINTCONST)) {
+        rec->numInts++;
+        IRO_AddElmToList(linear->u.diadic.right, &rec->ints);
+    } else if (IS_LINEAR_ENODE(linear->u.diadic.right, EOBJREF)) {
+        rec->numObjRefs++;
+        IRO_AddElmToList(linear->u.diadic.right, &rec->objRefs);
+    } else {
+        rec->numMisc++;
+        IRO_AddElmToList(linear->u.diadic.right, &rec->misc);
+    }
+}
+
+void IRO_DecomposeAddressExpression_Cheap(IROLinear *linear) {
+    if (IS_LINEAR_DIADIC(linear->u.diadic.left, EADD)) {
+        IRO_DecomposeAddressExpression_Cheap(linear->u.diadic.left);
+    } else if (!IS_LINEAR_ENODE(linear->u.diadic.left, EINTCONST)) {
+        if (IS_LINEAR_ENODE(linear->u.diadic.left, EOBJREF)) {
+            IRO_BaseTerms++;
+            TheBaseTerm = linear->u.diadic.left;
+        } else {
+            IRO_VarTerms++;
+        }
+    }
+
+    if (IS_LINEAR_DIADIC(linear->u.diadic.right, EADD)) {
+        IRO_DecomposeAddressExpression_Cheap(linear->u.diadic.right);
+    } else if (!IS_LINEAR_ENODE(linear->u.diadic.right, EINTCONST)) {
+        if (IS_LINEAR_ENODE(linear->u.diadic.right, EOBJREF)) {
+            IRO_BaseTerms++;
+            TheBaseTerm = linear->u.diadic.right;
+        } else {
+            IRO_VarTerms++;
+        }
+    }
+}
+
+VarRecord *IRO_FindAssigned(IROLinear *linear) {
+    VarRecord *rec;
+
+    IRO_IsBitField = 0;
+    if (linear->type == IROLinearOp2Arg)
+        linear = linear->u.diadic.left;
+    else if (linear->type == IROLinearOp1Arg)
+        linear = linear->u.monadic;
+    else
+        CError_FATAL(818);
+
+    if (IS_LINEAR_MONADIC(linear, EINDIRECT))
+        linear = linear->u.monadic;
+
+    if (IS_LINEAR_MONADIC(linear, EBITFIELD)) {
+        IRO_IsBitField = 1;
+        linear = linear->u.monadic;
+    }
+
+    if (IS_LINEAR_DIADIC(linear, EADD)) {
+        if (IS_LINEAR_ENODE(linear->u.diadic.left, EOBJREF) && IS_LINEAR_ENODE(linear->u.diadic.right, EINTCONST)) {
+            linear = linear->u.diadic.left;
+        } else {
+            IRO_BaseTerms = 0;
+            IRO_DecomposeAddressExpression_Cheap(linear);
+            if (IRO_BaseTerms == 1)
+                linear = TheBaseTerm;
+        }
+    }
+
+    if (!IS_LINEAR_ENODE(linear, EOBJREF))
+        return NULL;
+
+    if ((rec = IRO_FindVar(linear->u.node->data.objref, 0, 1)))
+        return rec;
+    else
+        return NULL;
+}
+
+static void GetKillsByIndirectAssignment(IROLinear *linear) {
+    IROListNode *resultList;
+    IROLinear *nd;
+    IROListNode *list;
+    IROListNode *scan;
+    IROLinear *inner;
+    Boolean result;
+    Boolean foundLinear;
+
+    result = 0;
+
+    if (linear->type == IROLinearOp2Arg)
+        linear = linear->u.diadic.left;
+    else
+        linear = linear->u.monadic;
+
+    if (
+        linear &&
+        linear->type == IROLinearOp1Arg &&
+        linear->nodetype == EINDIRECT &&
+        (inner = linear->u.monadic) &&
+        copts.opt_pointer_analysis &&
+        inner->pointsToFunction &&
+        FunctionName
+        )
+    {
+        resultList = NULL;
+        PointerAnalysis_LookupLinearNodePointerExpr(FunctionName, inner, &resultList);
+        if ((list = resultList)) {
+            for (scan = list; scan; scan = scan->nextList) {
+                if (!scan->list.head || !scan->list.tail) {
+                    result = 1;
+                    break;
+                }
+
+                foundLinear = 0;
+                for (nd = scan->list.head; nd != scan->list.tail->next; nd = nd->next) {
+                    if (nd->type == IROLinearOperand && nd->u.node->type == EOBJREF) {
+                        foundLinear = 1;
+                        break;
+                    }
+                }
+                if (!foundLinear) {
+                    result = 1;
+                    break;
+                }
+            }
+
+            if (!result) {
+                while (list) {
+                    for (nd = list->list.head; nd != list->list.tail->next; nd = nd->next) {
+                        if (nd->type == IROLinearOperand && nd->u.node->type == EOBJREF) {
+                            Object *obj;
+                            VarRecord *var;
+                            int index;
+
+                            obj = nd->u.node->data.objref;
+                            CError_ASSERT(952, obj != NULL);
+
+                            var = IRO_FindVar(obj, 1, 1);
+                            CError_ASSERT(954, var != NULL);
+
+                            index = var->index;
+                            CError_ASSERT(956, index != 0);
+
+                            Bv_SetBit(index, IRO_VarKills);
+                        }
+                    }
+
+                    list = list->nextList;
+                }
+            }
+
+            while (resultList) {
+                IROListNode *next = resultList->nextList;
+                IRO_free(resultList);
+                resultList = next;
+            }
+        } else {
+            result = 1;
+        }
+    } else {
+        result = 1;
+    }
+
+    if (result)
+        Bv_Or(IRO_FuncKills, IRO_VarKills);
+}
+
+static void GetKillsByFunctionCall(IROLinear *linear) {
+    IROListNode *resultList;
+    IROLinear *nd;
+    IROListNode *list;
+    IROListNode *scan;
+    IROLinear *inner;
+    Boolean result;
+    Boolean foundLinear;
+    Object *obj;
+    ObjectList *killList;
+    ObjectList *olist;
+
+    result = 0;
+
+    if (
+        (inner = linear->u.funccall.linear8) &&
+        copts.opt_pointer_analysis &&
+        inner->pointsToFunction &&
+        FunctionName
+        )
+    {
+        resultList = NULL;
+        PointerAnalysis_LookupLinearNodePointerExpr(FunctionName, inner, &resultList);
+        if (resultList) {
+            for (scan = resultList; scan; scan = scan->nextList) {
+                if (!scan->list.head || !scan->list.tail) {
+                    result = 1;
+                    break;
+                }
+
+                foundLinear = 0;
+                for (nd = scan->list.head; nd != scan->list.tail->next; nd = nd->next) {
+                    if (nd->type == IROLinearOperand && nd->u.node->type == EOBJREF) {
+                        foundLinear = 1;
+                        obj = nd->u.node->data.objref;
+                        CError_ASSERT(1028, obj != NULL);
+
+                        killList = NULL;
+                        PointerAnalysis_GetFunctionKills(obj, linear, &killList);
+
+                        for (olist = killList; olist; olist = olist->next) {
+                            if (!olist->object) {
+                                result = 1;
+                                break;
+                            }
+                        }
+
+                        while (killList) {
+                            ObjectList *next = killList->next;
+                            IRO_free(killList);
+                            killList = next;
+                        }
+
+                        if (result)
+                            break;
+                    }
+                }
+
+                if (!foundLinear)
+                    result = 1;
+                if (result)
+                    break;
+            }
+
+            if (!result) {
+                for (scan = resultList; scan; scan = scan->nextList) {
+                    for (nd = scan->list.head; nd != scan->list.tail->next; nd = nd->next) {
+                        if (nd->type == IROLinearOperand && nd->u.node->type == EOBJREF) {
+                            obj = nd->u.node->data.objref;
+                            killList = NULL;
+                            PointerAnalysis_GetFunctionKills(obj, linear, &killList);
+
+                            for (olist = killList; olist; olist = olist->next) {
+                                VarRecord *var;
+                                int index;
+
+                                var = IRO_FindVar(olist->object, 1, 1);
+                                CError_ASSERT(1079, var != NULL);
+
+                                index = var->index;
+                                CError_ASSERT(1081, index != 0);
+
+                                Bv_SetBit(index, IRO_VarKills);
+                            }
+
+                            while (killList) {
+                                ObjectList *next = killList->next;
+                                IRO_free(killList);
+                                killList = next;
+                            }
+                        }
+                    }
+                }
+            }
+
+            while (resultList) {
+                IROListNode *next = resultList->nextList;
+                IRO_free(resultList);
+                resultList = next;
+            }
+        } else {
+            result = 1;
+        }
+    } else {
+        result = 1;
+    }
+
+    if (result)
+        Bv_Or(IRO_FuncKills, IRO_VarKills);
+}
+
+void IRO_GetKills(IROLinear *linear) {
+    VarRecord *var;
+
+    switch (linear->type) {
+        case IROLinearOp1Arg:
+        case IROLinearOp2Arg:
+            if (IRO_IsAssignOp[linear->nodetype]) {
+                IROLinear *assigned;
+                int index;
+
+                var = IRO_FindAssigned(linear);
+                index = 0;
+                if (var) index = var->index;
+                Bv_SetBit(index, IRO_VarKills);
+
+                if (!index)
+                    GetKillsByIndirectAssignment(linear);
+            }
+            break;
+        case IROLinearFunccall:
+            GetKillsByFunctionCall(linear);
+            break;
+        case IROLinearAsm: {
+            IAEffects effects;
+            int i;
+
+            CodeGen_GetAsmEffects(linear->u.asm_stmt, &effects);
+            for (i = 0; i < effects.numoperands; i++) {
+                switch (effects.operands[i].type) {
+                    case IAEffect_1:
+                    case IAEffect_2:
+                    case IAEffect_4:
+                        if ((var = IRO_FindVar(effects.operands[i].object, 0, 1)))
+                            Bv_SetBit(var->index, IRO_VarKills);
+                        break;
+                }
+            }
+
+            if (effects.x1 || effects.x4)
+                Bv_Or(IRO_FuncKills, IRO_VarKills);
+            break;
+        }
+    }
+}
+
+void IRO_CheckInit(void) {
+    IRONode *fnode;
+    IROLinear *nd;
+    VarRecord *var;
+    ObjectList *olist;
+    int flag;
+    int i;
+    BitVector *bv;
+
+    IRO_MakeReachable(IRO_FirstNode);
+    fnode = IRO_FirstNode;
+    Bv_AllocVector(&IRO_VarKills, IRO_NumVars + 1);
+
+    while (fnode) {
+        Bv_AllocVector(&fnode->x16, IRO_NumVars + 1);
+        Bv_AllocVector(&fnode->x1E, IRO_NumVars + 1);
+
+        for (nd = fnode->first; nd; nd = nd->next) {
+            if (nd->type == IROLinearOperand && nd->u.node->type == EOBJREF) {
+                if (nd->flags & IROLF_Ind) {
+                    if (!(nd->flags & IROLF_Assigned) || (nd->flags & IROLF_Used)) {
+                        if ((var = IRO_FindVar(nd->u.node->data.objref, 0, 1))) {
+                            if (!Bv_IsBitSet(var->index, fnode->x1E))
+                                Bv_SetBit(var->index, fnode->x16);
+                        }
+                    }
+                } else {
+                    if ((var = IRO_FindVar(nd->u.node->data.objref, 0, 0))) {
+                        Bv_SetBit(var->index, fnode->x1E);
+                    }
+                }
+            } else if (nd->type == IROLinearOp2Arg && nd->nodetype == EASS) {
+                if ((var = IRO_FindAssigned(nd)))
+                    Bv_SetBit(var->index, fnode->x1E);
+            } else if (nd->type == IROLinearAsm) {
+                IAEffects effects;
+
+                CodeGen_GetAsmEffects(nd->u.asm_stmt, &effects);
+                for (i = 0; i < effects.numoperands; i++) {
+                    var = IRO_FindVar(effects.operands[i].object, 0, 1);
+                    switch (effects.operands[i].type) {
+                        case IAEffect_1:
+                        case IAEffect_2:
+                        case IAEffect_4:
+                            Bv_SetBit(var->index, fnode->x1E);
+                            break;
+                    }
+                }
+            }
+
+            if (nd == fnode->last)
+                break;
+        }
+
+        fnode = fnode->nextnode;
+    }
+
+    Bv_AllocVector(&bv, IRO_NumVars + 1);
+
+    do {
+        flag = 0;
+        for (fnode = IRO_FirstNode; fnode; fnode = fnode->nextnode) {
+            Bv_Copy(fnode->x1E, bv);
+            for (i = 0; i < fnode->numpred; i++)
+                Bv_Or(IRO_NodeTable[fnode->pred[i]]->x1E, bv);
+            if (!Bv_Compare(bv, fnode->x1E)) {
+                Bv_Copy(bv, fnode->x1E);
+                flag = 1;
+            }
+        }
+    } while (flag);
+
+    Bv_Clear(IRO_VarKills);
+
+    for (fnode = IRO_FirstNode; fnode; fnode = fnode->nextnode) {
+        if (fnode->x36) {
+            Bv_Copy(fnode->x16, bv);
+            for (i = 0; i < fnode->numpred; i++)
+                Bv_Minus(IRO_NodeTable[fnode->pred[i]]->x1E, bv);
+            Bv_Or(bv, IRO_VarKills);
+        }
+    }
+
+    for (olist = locals; olist; olist = olist->next) {
+        if ((var = IRO_FindVar(olist->object, 0, 1)) && Bv_IsBitSet(var->index, IRO_VarKills)) {
+            VarInfo *vi = olist->object->u.var.info;
+            if (!IsTempName(olist->object->name) && !is_volatile_object(olist->object)) {
+                if (!IS_TYPE_CLASS(olist->object->type) || !CClass_IsEmpty(TYPE_CLASS(olist->object->type))) {
+                    CError_SetErrorToken(&vi->deftoken);
+                    CError_Warning(CErrorStr185, olist->object->name->name);
+                }
+            }
+        }
+    }
+
+    IRO_CheckForUserBreak();
+}
+
+static void RewriteIndDec(void) {
+    IROLinear *add;
+    IROLinear *indirect;
+    IROLinear *Int;
+    IROLinear *nd;
+    CInt64 value;
+    IROList list;
+
+    for (nd = IRO_FirstLinear; nd; nd = nd->next) {
+        if (
+            nd->type == IROLinearOp1Arg &&
+                (nd->nodetype == EPOSTINC || nd->nodetype == EPOSTDEC) &&
+                !(nd->flags & IROLF_Reffed)
+            ) {
+            indirect = nd->u.monadic;
+            if (
+                indirect->type == IROLinearOp1Arg &&
+                indirect->nodetype == EINDIRECT &&
+                indirect->u.monadic->type == IROLinearOp1Arg &&
+                indirect->u.monadic->nodetype == EBITFIELD
+                ) {
+                value = IRO_GetSelfAssignmentVal(nd);
+                IRO_InitList(&list);
+
+                nd->type = IROLinearOp2Arg;
+                nd->nodetype = EASS;
+                nd->u.diadic.left = indirect;
+                IRO_DuplicateExpr(indirect, &list);
+
+                Int = IRO_NewIntConst(value, indirect->rtype);
+                Int->flags |= IROLF_Used | IROLF_Reffed;
+
+                add = IRO_NewLinear(IROLinearOp2Arg);
+                add->nodetype = EADD;
+                add->u.diadic.left = list.tail;
+                add->u.diadic.left->flags = 0;
+                add->u.diadic.left->flags |= IROLF_Used | IROLF_Reffed;
+                add->u.diadic.right = Int;
+                add->rtype = indirect->rtype;
+                add->flags = 0;
+                add->flags |= IROLF_Used | IROLF_Reffed;
+
+                nd->u.diadic.right = add;
+
+                IRO_AddToList(Int, &list);
+                IRO_AddToList(add, &list);
+                IRO_PasteAfter(list.head, list.tail, indirect);
+            }
+        }
+    }
+}
+
+void IRO_RewriteBitFieldTemps(void) {
+    IROLinear *nd;
+    IROLinear *expr2;
+    Object *obj;
+    VarRecord *var;
+    IROList list;
+
+    for (nd = IRO_FirstLinear; nd; nd = nd->next) {
+        if ((obj = IRO_IsVariable(nd)) && (nd->flags & IROLF_BitfieldIndirect)) {
+            var = IRO_FindVar(obj, 0, 1);
+            CError_ASSERT(1526, var != NULL);
+
+            expr2 = var->x1E;
+            CError_ASSERT(1532, expr2 != NULL);
+
+            IRO_InitList(&list);
+            IRO_DuplicateExpr(expr2, &list);
+            IRO_NopOut(nd->u.monadic);
+            nd->u.monadic = list.tail;
+            IRO_Paste(list.head, list.tail, nd);
+        }
+    }
+}
+
+static Boolean FunctionCallMightUseOrKillAnyAddressedVar(IROLinear *funccall) {
+    IROLinear *funcnd;
+    IROLinear *nd;
+    IROListNode *scan;
+    IROListNode *resultList;
+    ObjectList *olist;
+    ObjectList *killList;
+    VarRecord *var;
+    Boolean result;
+    Boolean foundObjRef;
+    Object *obj;
+
+    result = 0;
+
+    funcnd = funccall->u.funccall.linear8;
+    if (funcnd && copts.opt_pointer_analysis && funcnd->pointsToFunction && FunctionName) {
+        resultList = NULL;
+        PointerAnalysis_LookupLinearNodePointerExpr(FunctionName, funcnd, &resultList);
+
+        if (resultList) {
+            for (scan = resultList; scan; scan = scan->nextList) {
+                if (!scan->list.head || !scan->list.tail) {
+                    result = 1;
+                    break;
+                }
+
+                foundObjRef = 0;
+                for (nd = scan->list.head; nd != scan->list.tail->next; nd = nd->next) {
+                    if (nd->type == IROLinearOperand && nd->u.node->type == EOBJREF) {
+                        foundObjRef = 1;
+                        obj = nd->u.node->data.objref;
+                        CError_ASSERT(1592, obj != NULL);
+
+                        killList = NULL;
+                        PointerAnalysis_GetFunctionKills(obj, funccall, &killList);
+                        for (olist = killList; olist; olist = olist->next) {
+                            if (!olist->object) {
+                                result = 1;
+                            } else {
+                                var = IRO_FindVar(olist->object, 1, 1);
+                                CError_ASSERT(1604, var != NULL);
+                                if (var->xB)
+                                    result = 1;
+                            }
+
+                            if (result)
+                                break;
+                        }
+
+                        while (killList) {
+                            ObjectList *next = killList->next;
+                            IRO_free(killList);
+                            killList = next;
+                        }
+
+                        if (!result) {
+                            killList = NULL;
+                            PointerAnalysis_GetFunctionDependencies(obj, funccall, &killList);
+                            for (olist = killList; olist; olist = olist->next) {
+                                if (!olist->object) {
+                                    result = 1;
+                                } else {
+                                    var = IRO_FindVar(olist->object, 1, 1);
+                                    CError_ASSERT(1632, var != NULL);
+                                    if (var->xB)
+                                        result = 1;
+                                }
+
+                                if (result)
+                                    break;
+                            }
+
+                            while (killList) {
+                                ObjectList *next = killList->next;
+                                IRO_free(killList);
+                                killList = next;
+                            }
+                        }
+
+                        if (result)
+                            break;
+                    }
+                }
+
+                if (!foundObjRef)
+                    result = 1;
+                if (result)
+                    break;
+            }
+
+            while (resultList) {
+                IROListNode *next = resultList->nextList;
+                IRO_free(resultList);
+                resultList = next;
+            }
+        } else {
+            result = 1;
+        }
+    } else {
+        result = 1;
+    }
+
+    return result;
+}
+
+static Boolean IndirectMightUseOrKillAnyAddressedVar(IROLinear *indirect) {
+    Boolean result;
+    IROLinear *inner;
+    IROLinear *nd;
+    IROListNode *scan;
+    IROListNode *resultList;
+    Boolean foundObjRef;
+    Object *obj;
+    VarRecord *var;
+
+    result = 0;
+
+    if (
+        indirect &&
+        indirect->type == IROLinearOp1Arg &&
+        indirect->nodetype == EINDIRECT &&
+        (inner = indirect->u.monadic) &&
+        copts.opt_pointer_analysis &&
+        inner->pointsToFunction &&
+        FunctionName
+        ) {
+        resultList = NULL;
+        PointerAnalysis_LookupLinearNodePointerExpr(FunctionName, inner, &resultList);
+        if (resultList) {
+            for (scan = resultList; scan; scan = scan->nextList) {
+                if (!scan->list.head || !scan->list.tail) {
+                    result = 1;
+                    break;
+                }
+
+                foundObjRef = 0;
+                for (nd = scan->list.head; nd != scan->list.tail->next; nd = nd->next) {
+                    if (nd->type == IROLinearOperand && nd->u.node->type == EOBJREF) {
+                        foundObjRef = 1;
+                        obj = nd->u.node->data.objref;
+                        CError_ASSERT(1723, obj != NULL);
+                        var = IRO_FindVar(obj, 1, 1);
+                        CError_ASSERT(1725, var != NULL);
+
+                        if (var->xB)
+                            result = 1;
+                    }
+                }
+
+                if (!foundObjRef)
+                    result = 1;
+                if (result)
+                    break;
+            }
+
+            while (resultList) {
+                IROListNode *next = resultList->nextList;
+                IRO_free(resultList);
+                resultList = next;
+            }
+        } else {
+            result = 1;
+        }
+    } else {
+        result = 1;
+    }
+
+    return result;
+}
+
+void IRO_ScalarizeClassDataMembers(void) {
+    IROLinear *nd;
+    VarRecord *var;
+    Boolean flag;
+    Object *obj;
+    IndirectRecord *irec;
+    IndirectRecordMatch *match;
+    IROLinear *tmp;
+
+    nd = IRO_FirstLinear;
+    IRO_FirstIndirectRecord = NULL;
+    IRO_LastIndirectRecord = NULL;
+    RewriteIndDec();
+    IRO_DumpAfterPhase("RewriteIndDec", 0);
+    flag = 0;
+
+    while (nd) {
+        if (nd->type == IROLinearOp1Arg && nd->nodetype == EINDIRECT) {
+            CheckAddress(nd, &flag);
+        }
+        if (nd->type == IROLinearAsm) {
+            IAEffects effects;
+            SInt32 i;
+            CodeGen_GetAsmEffects(nd->u.asm_stmt, &effects);
+            for (i = 0; i < effects.numoperands; i++) {
+                if ((var = IRO_FindVar(effects.operands[i].object, 0, 1)))
+                    CheckAddressConsistency(nd, var, -1, &stvoid);
+                else
+                    CError_FATAL(1823);
+            }
+        }
+        if (nd->type == IROLinearFunccall && !flag)
+            flag = FunctionCallMightUseOrKillAnyAddressedVar(nd);
+
+        nd = nd->next;
+    }
+
+    if (flag)
+        DisableAddressedEntries();
+
+    for (irec = IRO_FirstIndirectRecord; irec; irec = irec->next) {
+        if (!(irec->flags & 1)) {
+            IROList list1;
+            IROList list2;
+
+            obj = create_temp_object(irec->type);
+            var = IRO_FindVar(obj, 1, 1);
+            for (match = irec->matches; match; match = match->otherMatches) {
+                IRO_InitList(&list1);
+                IRO_InitList(&list2);
+                IRO_DuplicateExpr(match->nd, &list1);
+                IRO_DuplicateExpr(match->nd, &list2);
+                if (match->nd->type == IROLinearOperand && match->nd->u.node->type == EOBJREF) {
+                    tmp = IRO_LocateFather(match->nd);
+                    if (irec->flags & 2) {
+                        tmp->flags |= IROLF_BitfieldIndirect;
+                        var->x1A = match->nd->rtype;
+                        var->x1E = list2.tail;
+                    }
+                    match->nd->u.node = create_objectrefnode(obj);
+                    irec->x26 = list2.tail;
+                } else {
+                    tmp = IRO_LocateFather(match->nd);
+                    if (irec->flags & 2) {
+                        tmp->flags |= IROLF_BitfieldIndirect;
+                        var->x1A = match->nd->rtype;
+                        var->x1E = list2.tail;
+                    }
+                    irec->x26 = list2.tail;
+
+                    IRO_NopOut(tmp->u.monadic);
+                    tmp->u.monadic = IRO_NewLinear(IROLinearOperand);
+                    tmp->u.monadic->u.node = create_objectrefnode(obj);
+                    tmp->u.monadic->rtype = match->nd->rtype;
+                    tmp->u.monadic->index = ++IRO_NumLinear;
+                    tmp->u.monadic->flags |= IROLF_Ind | IROLF_Reffed;
+                    IRO_NopOut(match->nd);
+                    IRO_PasteAfter(tmp->u.monadic, tmp->u.monadic, match->nd);
+                }
+            }
+
+            if (ObjectIsArg(irec->var->object)) {
+                IROLinear *op1;
+                IROLinear *op2;
+                IROLinear *op3;
+                IROLinear *op4;
+                IROLinear *op5;
+
+                op1 = IRO_NewLinear(IROLinearOperand);
+                op1->u.node = create_objectrefnode(obj);
+                op1->rtype = op1->u.node->data.objref->type;
+                op1->index = ++IRO_NumLinear;
+                op1->flags |= IROLF_Ind | IROLF_Assigned;
+
+                op2 = list1.tail;
+
+                op3 = IRO_NewLinear(IROLinearOp1Arg);
+                op3->nodetype = EINDIRECT;
+                op3->rtype = irec->type;
+                op3->u.monadic = op1;
+                op3->index = ++IRO_NumLinear;
+                op3->flags |= IROLF_Assigned;
+
+                op4 = IRO_NewLinear(IROLinearOp1Arg);
+                op4->nodetype = EINDIRECT;
+                op4->rtype = irec->type;
+                op4->u.monadic = op2;
+                op4->index = ++IRO_NumLinear;
+                op4->flags |= IROLF_Reffed;
+
+                op5 = IRO_NewLinear(IROLinearOp2Arg);
+                op5->nodetype = EASS;
+                op5->u.diadic.left = op3;
+                op5->u.diadic.right = op4;
+                op5->rtype = irec->type;
+                op5->index = ++IRO_NumLinear;
+
+                op2->next = op4;
+                op4->next = op1;
+                op1->next = op3;
+                op3->next = op5;
+
+                IRO_PasteAfter(list1.head, op5, IRO_FirstLinear);
+            }
+        }
+    }
+
+    IRO_CheckForUserBreak();
+}
+
+static Boolean CheckAddress(IROLinear *nd, Boolean *resultFlag) {
+    IROLinear *inner;
+    VarRecord *var;
+    Boolean result;
+
+    inner = nd->u.monadic;
+    if (inner->type == IROLinearOp1Arg && inner->nodetype == EBITFIELD)
+        inner = inner->u.monadic;
+
+    result = 0;
+
+    if (inner->type == IROLinearOperand && inner->u.node->type == EOBJREF) {
+        if (IS_TYPE_CLASS(inner->u.node->data.objref->type) || IS_TYPE_STRUCT(inner->u.node->data.objref->type) ||
+            IS_TYPE_ARRAY(inner->u.node->data.objref->type)) {
+            if (inner->u.node->data.objref->datatype == DLOCAL) {
+                var = IRO_FindVar(inner->u.node->data.objref, 0, 1);
+                CError_ASSERT(2240, var != NULL);
+                CheckAddressConsistency(nd, var, 0, nd->rtype);
+                result = 1;
+            }
+        }
+    } else if (
+        inner->type == IROLinearOp2Arg &&
+        inner->nodetype == EADD &&
+        inner->u.diadic.left->type == IROLinearOperand &&
+        inner->u.diadic.left->u.node->type == EOBJREF) {
+        if (
+            inner->u.diadic.right->type == IROLinearOperand &&
+            inner->u.diadic.right->u.node->type == EINTCONST &&
+            inner->u.diadic.right->u.node->data.intval.hi == 0) {
+            if (
+                IS_TYPE_CLASS(inner->u.diadic.left->u.node->data.objref->type) ||
+                IS_TYPE_STRUCT(inner->u.diadic.left->u.node->data.objref->type) ||
+                IS_TYPE_ARRAY(inner->u.diadic.left->u.node->data.objref->type)
+                ) {
+                if (inner->u.diadic.left->u.node->data.objref->datatype == DLOCAL) {
+                    var = IRO_FindVar(inner->u.diadic.left->u.node->data.objref, 0, 1);
+                    CError_ASSERT(2267, var != NULL);
+                    CheckAddressConsistency(nd, var, inner->u.diadic.right->u.node->data.intval.lo, nd->rtype);
+                    result = 1;
+                }
+            }
+        } else {
+            if (
+                IS_TYPE_CLASS(inner->u.diadic.left->u.node->data.objref->type) ||
+                IS_TYPE_STRUCT(inner->u.diadic.left->u.node->data.objref->type) ||
+                IS_TYPE_ARRAY(inner->u.diadic.left->u.node->data.objref->type)
+                ) {
+                if (inner->u.diadic.left->u.node->data.objref->datatype == DLOCAL) {
+                    var = IRO_FindVar(inner->u.diadic.left->u.node->data.objref, 0, 1);
+                    CheckAddressConsistency(nd, var, -1, nd->rtype);
+                    result = 1;
+                }
+            }
+        }
+    }
+
+    if (!result && !*resultFlag) {
+        *resultFlag = IndirectMightUseOrKillAnyAddressedVar(nd);
+    }
+
+    return 0;
+}
+
+static Boolean CheckAddressConsistency(IROLinear *nd, VarRecord *var, SInt32 addend, Type *type) {
+    IndirectRecord *rp;
+    IndirectRecordMatch *match;
+    UInt32 flag;
+    IROLinear *inner;
+    UInt32 start_bit;
+    UInt32 end_bit;
+
+    flag = 0;
+    inner = nd->u.monadic;
+    if (inner->type == IROLinearOp1Arg && inner->nodetype == EBITFIELD) {
+        start_bit = TYPE_BITFIELD(inner->rtype)->offset + 8 * addend;
+        end_bit = start_bit + TYPE_BITFIELD(inner->rtype)->bitlength - 1;
+    } else {
+        start_bit = 8 * addend;
+        end_bit = start_bit + 8 * type->size - 1;
+    }
+
+    if (var->xB && !copts.opt_pointer_analysis)
+        return 0;
+
+    if (nd->rtype && CParser_IsVolatile(nd->rtype, nd->nodeflags & ENODE_FLAG_QUALS))
+        addend = -1;
+    if (is_volatile_object(var->object))
+        addend = -1;
+
+    for (rp = IRO_FirstIndirectRecord; rp; rp = rp->next) {
+        if (rp->var->index == var->index) {
+            if (rp->flags & 1)
+                return 0;
+
+            if (addend == -1) {
+                flag = 1;
+                break;
+            }
+
+            if (IRO_TypesEqual(rp->type, type) && rp->startbit == start_bit && rp->endbit == end_bit) {
+                match = oalloc(sizeof(IndirectRecordMatch));
+                match->nd = inner;
+                match->otherMatches = NULL;
+                if (!rp->matches) {
+                    rp->matches = match;
+                } else {
+                    match->otherMatches = rp->matches;
+                    rp->matches = match;
+                }
+
+                IRO_Dump("Exact Match of Type and bits at %d and %d\n", rp->linear->index, nd->index);
+                IRO_Dump("Rp->startbit=%d,Rp->endbit=%d,start_bit=%d,end_bit=%d\n", rp->startbit, rp->endbit, start_bit, end_bit);
+                return 1;
+            }
+
+            if (rp->startbit == start_bit && rp->endbit == end_bit && !IRO_TypesEqual(rp->type, type)) {
+                IRO_Dump("match on bits but mismatch on type %d and %d\n", rp->linear->index, nd->index);
+                IRO_Dump("Rp->startbit=%d,Rp->endbit=%d,start_bit=%d,end_bit=%d\n", rp->startbit, rp->endbit, start_bit, end_bit);
+                flag = 1;
+                break;
+            }
+
+            if (rp->startbit >= start_bit && end_bit >= rp->startbit) {
+                IRO_Dump("Overlap detected --1 %d and %d\n", rp->linear->index, nd->index);
+                IRO_Dump("Rp->startbit=%d,Rp->endbit=%d,start_bit=%d,end_bit=%d\n", rp->startbit, rp->endbit, start_bit, end_bit);
+                flag = 1;
+                break;
+            }
+
+            if (rp->startbit < start_bit && rp->endbit >= start_bit) {
+                IRO_Dump("Overlap detected --2 %d and %d\n", rp->linear->index, nd->index);
+                IRO_Dump("Rp->startbit=%d,Rp->endbit=%d,start_bit=%d,end_bit=%d\n", rp->startbit, rp->endbit, start_bit, end_bit);
+                flag = 1;
+                break;
+            }
+        }
+    }
+
+    if (flag) {
+        DisableEntries(rp);
+        if (addend >= 0)
+            return 0;
+    }
+
+    IRO_Dump("Create Entry at %d\n", nd->index);
+    IRO_Dump("start_bit=%d,end_bit=%d\n", start_bit, end_bit);
+
+    rp = oalloc(sizeof(IndirectRecord));
+    rp->linear = nd;
+    rp->flags = 0;
+    rp->var = var;
+    rp->addend = addend;
+    rp->size = type->size;
+    rp->type = type;
+    rp->next = NULL;
+    rp->matches = oalloc(sizeof(IndirectRecordMatch));
+    rp->matches->nd = inner;
+    rp->matches->otherMatches = NULL;
+    rp->startbit = start_bit;
+    rp->endbit = end_bit;
+
+    if (nd->type == IROLinearOp1Arg && nd->nodetype == EINDIRECT &&
+        nd->u.monadic->type == IROLinearOp1Arg && nd->u.monadic->nodetype == EBITFIELD)
+        rp->flags |= 2;
+
+    if (!(IS_TYPE_FLOAT(type) || IS_TYPE_INT(type) || IS_TYPE_POINTER_ONLY(type)) ||
+        addend == -1 || ((inner->flags & IROLF_4000) && ObjectIsArg(var->object)))
+        rp->flags |= 1;
+
+    if (IRO_FirstIndirectRecord)
+        IRO_LastIndirectRecord->next = rp;
+    else
+        IRO_FirstIndirectRecord = rp;
+    IRO_LastIndirectRecord = rp;
+    return 1;
+}
+
+static void DisableEntries(IndirectRecord *irec) {
+    IndirectRecord *scan;
+
+    for (scan = IRO_FirstIndirectRecord; scan; scan = scan->next) {
+        if (irec->var->index == scan->var->index)
+            scan->flags |= 1;
+    }
+}
+
+static void DisableAddressedEntries(void) {
+    IndirectRecord *scan;
+
+    for (scan = IRO_FirstIndirectRecord; scan; scan = scan->next) {
+        if (scan->var->xB)
+            scan->flags |= 1;
+    }
+}
+
+static UInt32 ObjectIsArg(Object *obj) {
+    ObjectList *scan;
+
+    for (scan = arguments; scan; scan = scan->next) {
+        if (scan->object == obj)
+            return 1;
+    }
+
+    return 0;
+}
+