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Unified Diff: src/compiler/js-intrinsic-lowering.cc

Issue 1134663006: [turbofan] Turn JSIntrinsicLowering into an AdvancedReducer. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@local_graph-reducer-advanced-1
Patch Set: Created 5 years, 7 months ago
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Index: src/compiler/js-intrinsic-lowering.cc
diff --git a/src/compiler/js-intrinsic-lowering.cc b/src/compiler/js-intrinsic-lowering.cc
index 23b1f804a0f6f889724fd66a9bc18f6a03fb930f..5e063a7bff04f811175c940758a267d66b43367c 100644
--- a/src/compiler/js-intrinsic-lowering.cc
+++ b/src/compiler/js-intrinsic-lowering.cc
@@ -16,8 +16,10 @@ namespace v8 {
namespace internal {
namespace compiler {
-JSIntrinsicLowering::JSIntrinsicLowering(JSGraph* jsgraph)
- : jsgraph_(jsgraph), simplified_(jsgraph->zone()) {}
+JSIntrinsicLowering::JSIntrinsicLowering(Editor* editor, JSGraph* jsgraph)
+ : AdvancedReducer(editor),
+ jsgraph_(jsgraph),
+ simplified_(jsgraph->zone()) {}
Reduction JSIntrinsicLowering::Reduce(Node* node) {
@@ -95,7 +97,7 @@ Reduction JSIntrinsicLowering::ReduceConstructDouble(Node* node) {
graph()->NewNode(machine()->Float64InsertLowWord32(),
jsgraph()->Constant(0), low),
high);
- NodeProperties::ReplaceWithValue(node, value);
+ ReplaceWithValue(node, value);
return Replace(value);
}
@@ -118,8 +120,7 @@ Reduction JSIntrinsicLowering::ReduceDeoptimizeNow(Node* node) {
// False branch - the original continuation.
Node* if_false = graph()->NewNode(common()->IfFalse(), branch);
- NodeProperties::ReplaceWithValue(node, jsgraph()->UndefinedConstant(), effect,
- if_false);
+ ReplaceWithValue(node, jsgraph()->UndefinedConstant(), effect, if_false);
// True branch: deopt.
Node* if_true = graph()->NewNode(common()->IfTrue(), branch);
@@ -209,7 +210,7 @@ Reduction JSIntrinsicLowering::ReduceIsInstanceType(
// Replace all effect uses of {node} with the {ephi}.
Node* ephi = graph()->NewNode(common()->EffectPhi(2), etrue, efalse, merge);
- NodeProperties::ReplaceWithValue(node, node, ephi);
+ ReplaceWithValue(node, node, ephi);
// Turn the {node} into a Phi.
return Change(node, common()->Phi(type, 2), vtrue, vfalse, merge);
@@ -270,7 +271,7 @@ Reduction JSIntrinsicLowering::ReduceSeqStringGetChar(
node->ReplaceInput(2, effect);
node->ReplaceInput(3, control);
node->TrimInputCount(4);
- NodeProperties::ReplaceWithValue(node, node, node);
+ RelaxControls(node);
return Changed(node);
}
@@ -292,7 +293,7 @@ Reduction JSIntrinsicLowering::ReduceSeqStringSetChar(
node->ReplaceInput(4, control);
node->TrimInputCount(5);
NodeProperties::RemoveBounds(node);
- NodeProperties::ReplaceWithValue(node, string, node);
+ ReplaceWithValue(node, string, node);
return Changed(node);
}
@@ -325,7 +326,7 @@ Reduction JSIntrinsicLowering::ReduceUnLikely(Node* node, BranchHint hint) {
}
// Apart from adding hints to branchs nodes, this is the identity function.
Node* value = NodeProperties::GetValueInput(node, 0);
- NodeProperties::ReplaceWithValue(node, value);
+ ReplaceWithValue(node, value);
return Changed(value);
}
@@ -386,7 +387,7 @@ Reduction JSIntrinsicLowering::ReduceValueOf(Node* node) {
// Replace all effect uses of {node} with the {ephi0}.
Node* ephi0 = graph()->NewNode(ephi_op, etrue0, efalse0, merge0);
- NodeProperties::ReplaceWithValue(node, node, ephi0);
+ ReplaceWithValue(node, node, ephi0);
// Turn the {node} into a Phi.
return Change(node, phi_op, vtrue0, vfalse0, merge0);
@@ -395,7 +396,7 @@ Reduction JSIntrinsicLowering::ReduceValueOf(Node* node) {
Reduction JSIntrinsicLowering::Change(Node* node, const Operator* op) {
// Replace all effect uses of {node} with the effect dependency.
- NodeProperties::ReplaceWithValue(node, node);
+ RelaxEffectsAndControls(node);
// Remove the inputs corresponding to context, effect and control.
NodeProperties::RemoveNonValueInputs(node);
// Finally update the operator to the new one.
@@ -419,7 +420,7 @@ Reduction JSIntrinsicLowering::ReduceIsMinusZero(Node* node) {
machine()->Word32Equal(), double_hi,
jsgraph()->Int32Constant(static_cast<int32_t>(0x80000000)));
- NodeProperties::ReplaceWithValue(node, node, effect);
+ ReplaceWithValue(node, node, effect);
Node* and_result = graph()->NewNode(machine()->Word32And(), check1, check2);
@@ -437,7 +438,7 @@ Reduction JSIntrinsicLowering::ReduceFixedArraySet(Node* node) {
Node* store = (graph()->NewNode(
simplified()->StoreElement(AccessBuilder::ForFixedArrayElement()), base,
index, value, effect, control));
- NodeProperties::ReplaceWithValue(node, value, store);
+ ReplaceWithValue(node, value, store);
return Changed(store);
}
@@ -460,7 +461,7 @@ Reduction JSIntrinsicLowering::Change(Node* node, const Operator* op, Node* a,
node->ReplaceInput(0, a);
node->ReplaceInput(1, b);
node->TrimInputCount(2);
- NodeProperties::ReplaceWithValue(node, node, node);
+ RelaxControls(node);
return Changed(node);
}
@@ -472,14 +473,13 @@ Reduction JSIntrinsicLowering::Change(Node* node, const Operator* op, Node* a,
node->ReplaceInput(1, b);
node->ReplaceInput(2, c);
node->TrimInputCount(3);
- NodeProperties::ReplaceWithValue(node, node, node);
+ RelaxControls(node);
return Changed(node);
}
Reduction JSIntrinsicLowering::ChangeToUndefined(Node* node, Node* effect) {
- NodeProperties::ReplaceWithValue(node, jsgraph()->UndefinedConstant(),
- effect);
+ ReplaceWithValue(node, jsgraph()->UndefinedConstant(), effect);
return Changed(node);
}
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