AuroraMiddleware/v8
1
0
Fork 0
Code Issues 2 Pull Requests Releases Wiki Activity

[turbofan] Renamed tracing flags for TurboFan reducers and graph trimmer

Browse Source 
Added trace printout for replacements in Turbofan reducers.
Renamed graph trimmer trace flag to avoid confusion.

Review-Url: https://codereview.chromium.org/2123283006
Cr-Commit-Position: refs/heads/master@{#37663}
This commit is contained in:
diaoyuanjie 2016-07-11 20:54:55 -07:00 committed by Commit bot
parent 491c36735a
commit 64ff8f8daa
3 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/compiler/graph-reducer.cc
View File

@ -168,6 +168,10 @@ void GraphReducer::Replace(Node* node, Node* replacement) {
void GraphReducer::Replace(Node* node, Node* replacement, NodeId max_id) {
if (FLAG_trace_turbo_reduction) {
OFStream os(stdout);
os << "- Replacing " << *node << " with " << *replacement << std::endl;
}
if (node == graph()->start()) graph()->SetStart(replacement);
if (node == graph()->end()) graph()->SetEnd(replacement);
if (replacement->id() <= max_id) {

2
src/compiler/graph-trimmer.cc
View File

@ -33,7 +33,7 @@ void GraphTrimmer::TrimGraph() {
for (Edge edge : live->use_edges()) {
Node* const user = edge.from();
if (!IsLive(user)) {
if (FLAG_trace_turbo_reduction) {
if (FLAG_trace_turbo_trimming) {
OFStream os(stdout);
os << "DeadLink: " << *user << "(" << edge.index() << ") -> " << *live
<< std::endl;

1
src/flag-definitions.h
View File

@ -441,6 +441,7 @@ DEFINE_STRING(trace_turbo_cfg_file, NULL,
DEFINE_BOOL(trace_turbo_types, true, "trace TurboFan's types")
DEFINE_BOOL(trace_turbo_scheduler, false, "trace TurboFan's scheduler")
DEFINE_BOOL(trace_turbo_reduction, false, "trace TurboFan's various reducers")
DEFINE_BOOL(trace_turbo_trimming, false, "trace TurboFan's graph trimmer")
DEFINE_BOOL(trace_turbo_jt, false, "trace TurboFan's jump threading")
DEFINE_BOOL(trace_turbo_ceq, false, "trace TurboFan's control equivalence")
DEFINE_BOOL(turbo_asm, true, "enable TurboFan for asm.js code")