166 }
167
168 // Attempt to inline...
169 if (allow_inline) {
170 // The profile data is only partly attributable to this caller,
171 // scale back the call site information.
172 float past_uses = jvms->method()->scale_count(site_count, prof_factor);
173 // This is the number of times we expect the call code to be used.
174 float expected_uses = past_uses;
175
176 // Try inlining a bytecoded method:
177 if (!call_is_virtual) {
178 InlineTree* ilt;
179 if (UseOldInlining) {
180 ilt = InlineTree::find_subtree_from_root(this->ilt(), jvms->caller(), jvms->method());
181 } else {
182 // Make a disembodied, stateless ILT.
183 // TO DO: When UseOldInlining is removed, copy the ILT code elsewhere.
184 float site_invoke_ratio = prof_factor;
185 // Note: ilt is for the root of this parse, not the present call site.
186 ilt = new InlineTree(this, jvms->method(), jvms->caller(), site_invoke_ratio, 0);
187 }
188 WarmCallInfo scratch_ci;
189 if (!UseOldInlining)
190 scratch_ci.init(jvms, call_method, profile, prof_factor);
191 WarmCallInfo* ci = ilt->ok_to_inline(call_method, jvms, profile, &scratch_ci);
192 assert(ci != &scratch_ci, "do not let this pointer escape");
193 bool allow_inline = (ci != NULL && !ci->is_cold());
194 bool require_inline = (allow_inline && ci->is_hot());
195
196 if (allow_inline) {
197 CallGenerator* cg = CallGenerator::for_inline(call_method, expected_uses);
198 if (require_inline && cg != NULL && should_delay_inlining(call_method, jvms)) {
199 // Delay the inlining of this method to give us the
200 // opportunity to perform some high level optimizations
201 // first.
202 return CallGenerator::for_late_inline(call_method, cg);
203 }
204 if (cg == NULL) {
205 // Fall through.
206 } else if (require_inline || !InlineWarmCalls) {
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166 }
167
168 // Attempt to inline...
169 if (allow_inline) {
170 // The profile data is only partly attributable to this caller,
171 // scale back the call site information.
172 float past_uses = jvms->method()->scale_count(site_count, prof_factor);
173 // This is the number of times we expect the call code to be used.
174 float expected_uses = past_uses;
175
176 // Try inlining a bytecoded method:
177 if (!call_is_virtual) {
178 InlineTree* ilt;
179 if (UseOldInlining) {
180 ilt = InlineTree::find_subtree_from_root(this->ilt(), jvms->caller(), jvms->method());
181 } else {
182 // Make a disembodied, stateless ILT.
183 // TO DO: When UseOldInlining is removed, copy the ILT code elsewhere.
184 float site_invoke_ratio = prof_factor;
185 // Note: ilt is for the root of this parse, not the present call site.
186 ilt = new InlineTree(this, jvms->method(), jvms->caller(), site_invoke_ratio, MaxInlineLevel);
187 }
188 WarmCallInfo scratch_ci;
189 if (!UseOldInlining)
190 scratch_ci.init(jvms, call_method, profile, prof_factor);
191 WarmCallInfo* ci = ilt->ok_to_inline(call_method, jvms, profile, &scratch_ci);
192 assert(ci != &scratch_ci, "do not let this pointer escape");
193 bool allow_inline = (ci != NULL && !ci->is_cold());
194 bool require_inline = (allow_inline && ci->is_hot());
195
196 if (allow_inline) {
197 CallGenerator* cg = CallGenerator::for_inline(call_method, expected_uses);
198 if (require_inline && cg != NULL && should_delay_inlining(call_method, jvms)) {
199 // Delay the inlining of this method to give us the
200 // opportunity to perform some high level optimizations
201 // first.
202 return CallGenerator::for_late_inline(call_method, cg);
203 }
204 if (cg == NULL) {
205 // Fall through.
206 } else if (require_inline || !InlineWarmCalls) {
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