More cleanups, preparing to revamp InstrForest to, among other things,

not leak all its allocated memory.

llvm-svn: 553
This commit is contained in:
Chris Lattner 2001-09-12 16:34:03 +00:00
parent 6ff8e8edce
commit b6e1cc3118
4 changed files with 10 additions and 14 deletions

View File

@ -238,7 +238,7 @@ class InstrForest : private hash_map<const Instruction*, InstructionNode*> {
hash_set<InstructionNode*> treeRoots;
public:
void buildTreesForMethod(Method *M);
InstrForest(Method *M);
inline InstructionNode *getTreeNodeForInstr(Instruction* instr) {
return (*this)[instr];

View File

@ -176,11 +176,6 @@ inline void InstrForest::setRightChild(InstrTreeNode *Par, InstrTreeNode *Chld){
}
void InstrForest::buildTreesForMethod(Method *M) {
for_each(M->inst_begin(), M->inst_end(),
bind_obj(this, &InstrForest::buildTreeForInstruction));
}
InstructionNode *InstrForest::buildTreeForInstruction(Instruction *Inst) {
InstructionNode *treeNode = getTreeNodeForInstr(Inst);
if (treeNode) {
@ -210,8 +205,7 @@ InstructionNode *InstrForest::buildTreeForInstruction(Instruction *Inst) {
static InstrTreeNode *fixedChildArray[MAX_CHILD];
InstrTreeNode **childArray =
(Inst->getNumOperands() > MAX_CHILD)
? new (InstrTreeNode*)[Inst->getNumOperands()]
: fixedChildArray;
? new (InstrTreeNode*)[Inst->getNumOperands()] : fixedChildArray;
//
// Walk the operands of the instruction
@ -309,3 +303,8 @@ InstructionNode *InstrForest::buildTreeForInstruction(Instruction *Inst) {
return treeNode;
}
InstrForest::InstrForest(Method *M) {
for_each(M->inst_begin(), M->inst_end(),
bind_obj(this, &InstrForest::buildTreeForInstruction));
}

View File

@ -31,11 +31,11 @@ enum SelectDebugLevel_t {
};
// Enable Debug Options to be specified on the command line
cl::Enum<enum SelectDebugLevel_t> SelectDebugLevel("dselect", cl::NoFlags, // cl::Hidden
cl::Enum<enum SelectDebugLevel_t> SelectDebugLevel("dselect", cl::NoFlags,
"enable instruction selection debugging information",
clEnumValN(Select_NoDebugInfo, "n", "disable debug output"),
clEnumValN(Select_PrintMachineCode, "y", "print generated machine code"),
clEnumValN(Select_DebugInstTrees, "i", "print instr. selection debugging info"),
clEnumValN(Select_DebugInstTrees, "i", "print instruction selection debug info"),
clEnumValN(Select_DebugBurgTrees, "b", "print burg trees"), 0);
@ -54,8 +54,7 @@ SelectInstructionsForMethod(Method* method,
//
// Build the instruction trees to be given as inputs to BURG.
//
InstrForest instrForest;
instrForest.buildTreesForMethod(method);
InstrForest instrForest(method);
if (SelectDebugLevel >= Select_DebugInstTrees)
{

View File

@ -220,8 +220,6 @@ reg: Constant = 72 (3); /* prefer direct use */
* This code was taken from sample.gr provided with BURG.
*-----------------------------------------------------------------------*/
static char rcsid[] = "$Id$";
void printcover(NODEPTR_TYPE p, int goalnt, int indent) {
int eruleno = burm_rule(STATE_LABEL(p), goalnt);
short *nts = burm_nts[eruleno];