Use IntrusiveForwardList<> for Env-/UsePosition.

Test: m test-art-host-gtest
Test: testrunner.py --host
Change-Id: I2b720e2ed8f96303cf80e9daa6d5278bf0c3da2f

1 files changed, 10 insertions, 2 deletions

diff --git a/compiler/optimizing/graph_visualizer.cc b/compiler/optimizing/graph_visualizer.cc
index 02816cf7ce..7dcf2440b2 100644
--- a/compiler/optimizing/graph_visualizer.cc
+++ b/compiler/optimizing/graph_visualizer.cc
@@ -34,6 +34,7 @@
 #include "register_allocator_linear_scan.h"
 #include "ssa_liveness_analysis.h"
 #include "utils/assembler.h"
+#include "utils/intrusive_forward_list.h"
 
 namespace art {
 
@@ -66,6 +67,13 @@ class StringList {
       current->Dump(NewEntryStream());
     }
   }
+  // Construct StringList from a list of elements. The value type must provide method `Dump`.
+  template <typename Container>
+  explicit StringList(const Container& list, Format format = kArrayBrackets) : StringList(format) {
+    for (const typename Container::value_type& current : list) {
+      current.Dump(NewEntryStream());
+    }
+  }
 
   std::ostream& NewEntryStream() {
     if (is_empty_) {
@@ -584,8 +592,8 @@ class HGraphVisualizerPrinter : public HGraphDelegateVisitor {
         LiveInterval* interval = instruction->GetLiveInterval();
         StartAttributeStream("ranges")
             << StringList(interval->GetFirstRange(), StringList::kSetBrackets);
-        StartAttributeStream("uses") << StringList(interval->GetFirstUse());
-        StartAttributeStream("env_uses") << StringList(interval->GetFirstEnvironmentUse());
+        StartAttributeStream("uses") << StringList(interval->GetUses());
+        StartAttributeStream("env_uses") << StringList(interval->GetEnvironmentUses());
         StartAttributeStream("is_fixed") << interval->IsFixed();
         StartAttributeStream("is_split") << interval->IsSplit();
         StartAttributeStream("is_low") << interval->IsLowInterval();