--- a/hotspot/src/share/vm/opto/block.cpp Wed Nov 16 01:39:50 2011 -0800
+++ b/hotspot/src/share/vm/opto/block.cpp Wed Nov 16 09:13:57 2011 -0800
@@ -898,45 +898,41 @@
void PhaseCFG::verify( ) const {
#ifdef ASSERT
// Verify sane CFG
- for( uint i = 0; i < _num_blocks; i++ ) {
+ for (uint i = 0; i < _num_blocks; i++) {
Block *b = _blocks[i];
uint cnt = b->_nodes.size();
uint j;
- for( j = 0; j < cnt; j++ ) {
+ for (j = 0; j < cnt; j++) {
Node *n = b->_nodes[j];
assert( _bbs[n->_idx] == b, "" );
- if( j >= 1 && n->is_Mach() &&
- n->as_Mach()->ideal_Opcode() == Op_CreateEx ) {
- assert( j == 1 || b->_nodes[j-1]->is_Phi(),
- "CreateEx must be first instruction in block" );
+ if (j >= 1 && n->is_Mach() &&
+ n->as_Mach()->ideal_Opcode() == Op_CreateEx) {
+ assert(j == 1 || b->_nodes[j-1]->is_Phi(),
+ "CreateEx must be first instruction in block");
}
- for( uint k = 0; k < n->req(); k++ ) {
+ for (uint k = 0; k < n->req(); k++) {
Node *def = n->in(k);
- if( def && def != n ) {
- assert( _bbs[def->_idx] || def->is_Con(),
- "must have block; constants for debug info ok" );
+ if (def && def != n) {
+ assert(_bbs[def->_idx] || def->is_Con(),
+ "must have block; constants for debug info ok");
// Verify that instructions in the block is in correct order.
// Uses must follow their definition if they are at the same block.
// Mostly done to check that MachSpillCopy nodes are placed correctly
// when CreateEx node is moved in build_ifg_physical().
- if( _bbs[def->_idx] == b &&
+ if (_bbs[def->_idx] == b &&
!(b->head()->is_Loop() && n->is_Phi()) &&
// See (+++) comment in reg_split.cpp
- !(n->jvms() != NULL && n->jvms()->is_monitor_use(k)) ) {
+ !(n->jvms() != NULL && n->jvms()->is_monitor_use(k))) {
bool is_loop = false;
if (n->is_Phi()) {
- for( uint l = 1; l < def->req(); l++ ) {
+ for (uint l = 1; l < def->req(); l++) {
if (n == def->in(l)) {
is_loop = true;
break; // Some kind of loop
}
}
}
- assert( is_loop || b->find_node(def) < j, "uses must follow definitions" );
- }
- if( def->is_SafePointScalarObject() ) {
- assert(_bbs[def->_idx] == b, "SafePointScalarObject Node should be at the same block as its SafePoint node");
- assert(_bbs[def->_idx] == _bbs[def->in(0)->_idx], "SafePointScalarObject Node should be at the same block as its control edge");
+ assert(is_loop || b->find_node(def) < j, "uses must follow definitions");
}
}
}
@@ -946,12 +942,11 @@
Node *bp = (Node*)b->_nodes[b->_nodes.size()-1]->is_block_proj();
assert( bp, "last instruction must be a block proj" );
assert( bp == b->_nodes[j], "wrong number of successors for this block" );
- if( bp->is_Catch() ) {
- while( b->_nodes[--j]->is_MachProj() ) ;
- assert( b->_nodes[j]->is_MachCall(), "CatchProj must follow call" );
- }
- else if( bp->is_Mach() && bp->as_Mach()->ideal_Opcode() == Op_If ) {
- assert( b->_num_succs == 2, "Conditional branch must have two targets");
+ if (bp->is_Catch()) {
+ while (b->_nodes[--j]->is_MachProj()) ;
+ assert(b->_nodes[j]->is_MachCall(), "CatchProj must follow call");
+ } else if (bp->is_Mach() && bp->as_Mach()->ideal_Opcode() == Op_If) {
+ assert(b->_num_succs == 2, "Conditional branch must have two targets");
}
}
#endif