Revision: 23636
Author: [email protected]
Date: Wed Sep 3 08:49:21 2014 UTC
Log: [turbofan] Finish nodes are always marked as references.
TEST=compiler-unittests,cctest
[email protected]
Review URL: https://codereview.chromium.org/533083002
https://code.google.com/p/v8/source/detail?r=23636
Modified:
/branches/bleeding_edge/src/compiler/instruction-selector-unittest.cc
/branches/bleeding_edge/src/compiler/instruction-selector.cc
=======================================
--- /branches/bleeding_edge/src/compiler/instruction-selector-unittest.cc
Tue Sep 2 11:28:40 2014 UTC
+++ /branches/bleeding_edge/src/compiler/instruction-selector-unittest.cc
Wed Sep 3 08:49:21 2014 UTC
@@ -178,13 +178,8 @@
// Finish.
-typedef InstructionSelectorTestWithParam<MachineType>
- InstructionSelectorFinishTest;
-
-
-TARGET_TEST_P(InstructionSelectorFinishTest, Parameter) {
- const MachineType type = GetParam();
- StreamBuilder m(this, type, type);
+TARGET_TEST_F(InstructionSelectorTest, Parameter) {
+ StreamBuilder m(this, kMachAnyTagged, kMachAnyTagged);
Node* param = m.Parameter(0);
Node* finish = m.NewNode(m.common()->Finish(1), param,
m.graph()->start());
m.Return(finish);
@@ -205,37 +200,8 @@
}
-TARGET_TEST_P(InstructionSelectorFinishTest, PropagateDoubleness) {
- const MachineType type = GetParam();
- StreamBuilder m(this, type, type);
- Node* param = m.Parameter(0);
- Node* finish = m.NewNode(m.common()->Finish(1), param,
m.graph()->start());
- m.Return(finish);
- Stream s = m.Build(kAllInstructions);
- EXPECT_EQ(s.IsDouble(param->id()), s.IsDouble(finish->id()));
-}
-
-
-TARGET_TEST_P(InstructionSelectorFinishTest, PropagateReferenceness) {
- const MachineType type = GetParam();
- StreamBuilder m(this, type, type);
- Node* param = m.Parameter(0);
- Node* finish = m.NewNode(m.common()->Finish(1), param,
m.graph()->start());
- m.Return(finish);
- Stream s = m.Build(kAllInstructions);
- EXPECT_EQ(s.IsReference(param->id()), s.IsReference(finish->id()));
-}
-
-
-INSTANTIATE_TEST_CASE_P(InstructionSelectorTest,
InstructionSelectorFinishTest,
- ::testing::Values(kMachFloat64, kMachInt8,
kMachUint8,
- kMachInt16, kMachUint16,
kMachInt32,
- kMachUint32, kMachInt64,
kMachUint64,
- kMachPtr, kMachAnyTagged));
-
-
//
-----------------------------------------------------------------------------
-// Finish.
+// Phi.
typedef InstructionSelectorTestWithParam<MachineType>
=======================================
--- /branches/bleeding_edge/src/compiler/instruction-selector.cc Tue Sep 2
11:28:40 2014 UTC
+++ /branches/bleeding_edge/src/compiler/instruction-selector.cc Wed Sep 3
08:49:21 2014 UTC
@@ -199,11 +199,10 @@
DCHECK(!IsReference(node));
sequence()->MarkAsDouble(node->id());
- // Propagate "doubleness" throughout Finish/Phi nodes.
+ // Propagate "doubleness" throughout Phi nodes.
for (UseIter i = node->uses().begin(); i != node->uses().end(); ++i) {
Node* user = *i;
switch (user->opcode()) {
- case IrOpcode::kFinish:
case IrOpcode::kPhi:
if (IsDouble(user)) continue;
MarkAsDouble(user);
@@ -226,11 +225,10 @@
DCHECK(!IsDouble(node));
sequence()->MarkAsReference(node->id());
- // Propagate "referenceness" throughout Finish/Phi nodes.
+ // Propagate "referenceness" throughout Phi nodes.
for (UseIter i = node->uses().begin(); i != node->uses().end(); ++i) {
Node* user = *i;
switch (user->opcode()) {
- case IrOpcode::kFinish:
case IrOpcode::kPhi:
if (IsReference(user)) continue;
MarkAsReference(user);
@@ -482,7 +480,7 @@
// No code needed for these graph artifacts.
return;
case IrOpcode::kFinish:
- return VisitFinish(node);
+ return MarkAsReference(node), VisitFinish(node);
case IrOpcode::kParameter: {
LinkageLocation location =
linkage()->GetParameterLocation(OpParameter<int>(node));
--
--
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