8325159: C2 SuperWord: measure time for CITime

Reviewed-by: rcastanedalo, kvn

src/hotspot/share/opto/loopTransform.cpp

@@ -37,6 +37,7 @@
 #include "opto/mulnode.hpp"
 #include "opto/movenode.hpp"
 #include "opto/opaquenode.hpp"
+#include "opto/phase.hpp"
 #include "opto/predicates.hpp"
 #include "opto/rootnode.hpp"
 #include "opto/runtime.hpp"
@@ -1101,6 +1102,8 @@ void IdealLoopTree::policy_unroll_slp_analysis(CountedLoopNode *cl, PhaseIdealLo
   // Enable this functionality target by target as needed
   if (SuperWordLoopUnrollAnalysis) {
     if (!cl->was_slp_analyzed()) {
+      Compile::TracePhase tp("autoVectorize", &Phase::timers[Phase::_t_autoVectorize]);
+
       SuperWord sw(phase);
       sw.transform_loop(this, false);
 

src/hotspot/share/opto/loopnode.cpp

@@ -4865,6 +4865,7 @@ void PhaseIdealLoop::build_and_optimize() {
 
   // Convert scalar to superword operations at the end of all loop opts.
   if (C->do_superword() && C->has_loops() && !C->major_progress()) {
+    Compile::TracePhase tp("autoVectorize", &timers[_t_autoVectorize]);
     // SuperWord transform
     SuperWord sw(this);
     for (LoopTreeIterator iter(_ltree_root); !iter.done(); iter.next()) {

src/hotspot/share/opto/phase.cpp

@@ -81,6 +81,7 @@ void Phase::print_timers() {
     tty->print_cr ("             Prune Useless:   %7.3f s", timers[_t_vector_pru].seconds());
     tty->print_cr ("         Renumber Live:       %7.3f s", timers[_t_renumberLive].seconds());
     tty->print_cr ("         IdealLoop:           %7.3f s", timers[_t_idealLoop].seconds());
+    tty->print_cr ("           AutoVectorize:     %7.3f s", timers[_t_autoVectorize].seconds());
     tty->print_cr ("         IdealLoop Verify:    %7.3f s", timers[_t_idealLoopVerify].seconds());
     tty->print_cr ("         Cond Const Prop:     %7.3f s", timers[_t_ccp].seconds());
     tty->print_cr ("         GVN 2:               %7.3f s", timers[_t_iterGVN2].seconds());

src/hotspot/share/opto/phase.hpp

@@ -82,6 +82,7 @@ public:
           _t_vector_pru,
       _t_renumberLive,
       _t_idealLoop,
+        _t_autoVectorize,
       _t_idealLoopVerify,
       _t_ccp,
       _t_iterGVN2,