1 files changed, 18 insertions, 2 deletions
diff --git a/deps/v8/test/cctest/compiler/test-representation-change.cc b/deps/v8/test/cctest/compiler/test-representation-change.cc
index 33e5cf1548..dac6f61932 100644
--- a/deps/v8/test/cctest/compiler/test-representation-change.cc
+++ b/deps/v8/test/cctest/compiler/test-representation-change.cc
@@ -4,6 +4,8 @@
 
 #include <limits>
 
+#include "src/compiler/access-info.h"
+#include "src/compiler/js-heap-broker.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/representation-change.h"
 #include "src/compiler/type-cache.h"
@@ -25,13 +27,15 @@ class RepresentationChangerTester : public HandleAndZoneScope,
         javascript_(main_zone()),
         jsgraph_(main_isolate(), main_graph_, &main_common_, &javascript_,
                  &main_simplified_, &main_machine_),
-        changer_(&jsgraph_, main_isolate()) {
+        broker_{main_isolate(), main_zone(), FLAG_trace_heap_broker},
+        changer_(&jsgraph_, &broker_) {
     Node* s = graph()->NewNode(common()->Start(num_parameters));
     graph()->SetStart(s);
   }
 
   JSOperatorBuilder javascript_;
   JSGraph jsgraph_;
+  JSHeapBroker broker_;
   RepresentationChanger changer_;
 
   Isolate* isolate() { return main_isolate(); }
@@ -376,8 +380,16 @@ TEST(Word64) {
               TypeCache::Get()->kUint16, MachineRepresentation::kWord64);
   CheckChange(IrOpcode::kChangeInt32ToInt64, MachineRepresentation::kWord32,
               Type::Signed32(), MachineRepresentation::kWord64);
+  CheckChange(
+      IrOpcode::kChangeInt32ToInt64, MachineRepresentation::kWord32,
+      Type::Signed32OrMinusZero(), MachineRepresentation::kWord64,
+      UseInfo(MachineRepresentation::kWord64, Truncation::Any(kIdentifyZeros)));
   CheckChange(IrOpcode::kChangeUint32ToUint64, MachineRepresentation::kWord32,
               Type::Unsigned32(), MachineRepresentation::kWord64);
+  CheckChange(
+      IrOpcode::kChangeUint32ToUint64, MachineRepresentation::kWord32,
+      Type::Unsigned32OrMinusZero(), MachineRepresentation::kWord64,
+      UseInfo(MachineRepresentation::kWord64, Truncation::Any(kIdentifyZeros)));
 
   CheckChange(IrOpcode::kTruncateInt64ToInt32, MachineRepresentation::kWord64,
               Type::Signed32(), MachineRepresentation::kWord32);
@@ -514,6 +526,9 @@ TEST(SingleChanges) {
   CheckChange(IrOpcode::kChangeBitToTagged, MachineRepresentation::kBit,
               Type::Boolean(), MachineRepresentation::kTagged);
 
+  CheckChange(IrOpcode::kChangeInt31ToCompressedSigned,
+              MachineRepresentation::kWord32, Type::Signed31(),
+              MachineRepresentation::kCompressedSigned);
   CheckChange(IrOpcode::kChangeInt31ToTaggedSigned,
               MachineRepresentation::kWord32, Type::Signed31(),
               MachineRepresentation::kTagged);
@@ -544,7 +559,8 @@ TEST(SingleChanges) {
               Type::Number(), MachineRepresentation::kFloat64);
   CheckChange(IrOpcode::kTruncateTaggedToFloat64,
               MachineRepresentation::kTagged, Type::NumberOrUndefined(),
-              UseInfo(MachineRepresentation::kFloat64, Truncation::Float64()));
+              UseInfo(MachineRepresentation::kFloat64,
+                      Truncation::OddballAndBigIntToNumber()));
   CheckChange(IrOpcode::kChangeTaggedToFloat64, MachineRepresentation::kTagged,
               Type::Signed31(), MachineRepresentation::kFloat64);