[X2Go-Commits] [pale-moon] 180/294: Simplify some alias sets in IonMonkey.

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x2go pushed a commit to branch upstream/28.5.0
in repository pale-moon.

commit 0b999100f6c0b7b90d1167237621826e0e6a808a
Author: wolfbeast <mcwerewolf at wolfbeast.com>
Date:   Tue Mar 26 18:30:57 2019 +0100

    Simplify some alias sets in IonMonkey.
---
 js/src/jit/AliasAnalysisShared.cpp | 3 ++-
 js/src/jit/MIR.h                   | 7 ++-----
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/js/src/jit/AliasAnalysisShared.cpp b/js/src/jit/AliasAnalysisShared.cpp
index ae28327..81c0fd0 100644
--- a/js/src/jit/AliasAnalysisShared.cpp
+++ b/js/src/jit/AliasAnalysisShared.cpp
@@ -102,7 +102,6 @@ GetObject(const MDefinition* ins)
       case MDefinition::Op_SetDisjointTypedElements:
       case MDefinition::Op_ArrayPopShift:
       case MDefinition::Op_ArrayPush:
-      case MDefinition::Op_ArraySlice:
       case MDefinition::Op_LoadTypedArrayElementHole:
       case MDefinition::Op_StoreTypedArrayElementHole:
       case MDefinition::Op_LoadFixedSlot:
@@ -126,6 +125,7 @@ GetObject(const MDefinition* ins)
         object = ins->getOperand(0);
         break;
       case MDefinition::Op_GetPropertyCache:
+      case MDefinition::Op_CallGetProperty:
       case MDefinition::Op_LoadTypedArrayElementStatic:
       case MDefinition::Op_StoreTypedArrayElementStatic:
       case MDefinition::Op_GetDOMProperty:
@@ -148,6 +148,7 @@ GetObject(const MDefinition* ins)
       case MDefinition::Op_WasmLoadGlobalVar:
       case MDefinition::Op_WasmStoreGlobalVar:
       case MDefinition::Op_ArrayJoin:
+      case MDefinition::Op_ArraySlice:    
         return nullptr;
       default:
 #ifdef DEBUG
diff --git a/js/src/jit/MIR.h b/js/src/jit/MIR.h
index b2e8432..fb0f22f 100644
--- a/js/src/jit/MIR.h
+++ b/js/src/jit/MIR.h
@@ -9910,10 +9910,6 @@ class MArraySlice
         return unboxedType_;
     }
 
-    AliasSet getAliasSet() const override {
-        return AliasSet::Store(AliasSet::BoxedOrUnboxedElements(unboxedType()) |
-                               AliasSet::ObjectFields);
-    }
     bool possiblyCalls() const override {
         return true;
     }
@@ -11837,7 +11833,8 @@ class MCallGetProperty
     AliasSet getAliasSet() const override {
         if (!idempotent_)
             return AliasSet::Store(AliasSet::Any);
-        return AliasSet::None();
+        return AliasSet::Load(AliasSet::ObjectFields | AliasSet::FixedSlot |
+                              AliasSet::DynamicSlot);
     }
     bool possiblyCalls() const override {
         return true;

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