Index: test/cctest/compiler/test-representation-change.cc |
diff --git a/test/cctest/compiler/test-representation-change.cc b/test/cctest/compiler/test-representation-change.cc |
index 2dc30294a29cd6223cde2de2894f174c16d9667b..0496ad8e41989857cbc5f28431b001cbd7a3f782 100644 |
--- a/test/cctest/compiler/test-representation-change.cc |
+++ b/test/cctest/compiler/test-representation-change.cc |
@@ -79,10 +79,14 @@ class RepresentationChangerTester : public HandleAndZoneScope, |
CHECK_EQ(expected, m.Value()); |
} |
- Node* Parameter(int index = 0) { |
- return graph()->NewNode(common()->Parameter(index), graph()->start()); |
+ Node* Parameter(Type* type, int index = 0) { |
+ Node* node = graph()->NewNode(common()->Parameter(index), graph()->start()); |
+ NodeProperties::SetBounds(node, Bounds(type)); |
+ return node; |
} |
+ Node* Parameter(int index = 0) { return Parameter(Type::Any(), index); } |
+ |
void CheckTypeError(MachineTypeUnion from, MachineTypeUnion to) { |
changer()->testing_type_errors_ = true; |
changer()->type_error_ = false; |
@@ -98,16 +102,17 @@ class RepresentationChangerTester : public HandleAndZoneScope, |
CHECK_EQ(n, c); |
} |
}; |
-} |
-} |
-} // namespace v8::internal::compiler |
+ |
+} // namespace compiler |
+} // namespace internal |
+} // namespace v8 |
static const MachineType all_reps[] = {kRepBit, kRepWord32, kRepWord64, |
kRepFloat32, kRepFloat64, kRepTagged}; |
-TEST(BoolToBit_constant) { |
+TEST(ToBit_constant) { |
RepresentationChangerTester r; |
Node* true_node = r.jsgraph()->TrueConstant(); |
@@ -119,6 +124,22 @@ TEST(BoolToBit_constant) { |
Node* false_bit = |
r.changer()->GetRepresentationFor(false_node, kRepTagged, kRepBit); |
r.CheckInt32Constant(false_bit, 0); |
+ |
+ { |
+ FOR_FLOAT64_INPUTS(i) { |
+ Node* node = r.jsgraph()->Constant(*i); |
+ Node* bit = r.changer()->GetRepresentationFor(node, kRepTagged, kRepBit); |
+ r.CheckInt32Constant(bit, DoubleToBoolean(*i) ? 1 : 0); |
+ } |
+ } |
+ |
+ { |
+ FOR_INT32_INPUTS(i) { |
+ Node* node = r.jsgraph()->Int32Constant(*i); |
+ Node* bit = r.changer()->GetRepresentationFor(node, kRepWord32, kRepBit); |
+ r.CheckInt32Constant(bit, *i == 0 ? 0 : 1); |
+ } |
+ } |
} |
@@ -370,10 +391,10 @@ TEST(ToUint32_constant) { |
static void CheckChange(IrOpcode::Value expected, MachineTypeUnion from, |
- MachineTypeUnion to) { |
+ MachineTypeUnion to, Type* from_type = Type::Any()) { |
RepresentationChangerTester r; |
- Node* n = r.Parameter(); |
+ Node* n = r.Parameter(from_type); |
Node* c = r.changer()->GetRepresentationFor(n, from, to); |
CHECK_NE(c, n); |
@@ -384,10 +405,11 @@ static void CheckChange(IrOpcode::Value expected, MachineTypeUnion from, |
static void CheckTwoChanges(IrOpcode::Value expected2, |
IrOpcode::Value expected1, MachineTypeUnion from, |
- MachineTypeUnion to) { |
+ MachineTypeUnion to, |
+ Type* from_type = Type::Any()) { |
RepresentationChangerTester r; |
- Node* n = r.Parameter(); |
+ Node* n = r.Parameter(from_type); |
Node* c1 = r.changer()->GetRepresentationFor(n, from, to); |
CHECK_NE(c1, n); |
@@ -400,7 +422,15 @@ static void CheckTwoChanges(IrOpcode::Value expected2, |
TEST(SingleChanges) { |
- CheckChange(IrOpcode::kChangeBoolToBit, kRepTagged, kRepBit); |
+ CheckChange(IrOpcode::kChangeBoolToBit, kRepTagged, kRepBit, Type::Boolean()); |
+ CheckTwoChanges(IrOpcode::kChangeTaggedToInt32, IrOpcode::kChangeWord32ToBit, |
+ kRepTagged, kRepBit, Type::Signed32()); |
+ CheckTwoChanges(IrOpcode::kChangeTaggedToUint32, IrOpcode::kChangeWord32ToBit, |
+ kRepTagged, kRepBit, Type::Unsigned32()); |
+ CheckChange(IrOpcode::kChangeWord32ToBit, kRepWord8, kRepBit); |
+ CheckChange(IrOpcode::kChangeWord32ToBit, kRepWord16, kRepBit); |
+ CheckChange(IrOpcode::kChangeWord32ToBit, kRepWord32, kRepBit); |
+ CheckChange(IrOpcode::kChangeWord64ToBit, kRepWord64, kRepBit); |
CheckChange(IrOpcode::kChangeBitToBool, kRepBit, kRepTagged); |
CheckChange(IrOpcode::kChangeInt32ToTagged, kRepWord32 | kTypeInt32, |
@@ -480,12 +510,6 @@ TEST(Nops) { |
r.CheckNop(kRepFloat32 | kTypeNumber, kRepFloat32); |
r.CheckNop(kRepFloat32, kRepFloat32 | kTypeNumber); |
- // 32-bit or 64-bit words can be used as branch conditions (kRepBit). |
- r.CheckNop(kRepWord32, kRepBit); |
- r.CheckNop(kRepWord32, kRepBit | kTypeBool); |
- r.CheckNop(kRepWord64, kRepBit); |
- r.CheckNop(kRepWord64, kRepBit | kTypeBool); |
- |
// 32-bit words can be used as smaller word sizes and vice versa, because |
// loads from memory implicitly sign or zero extend the value to the |
// full machine word size, and stores implicitly truncate. |