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<title>[191983] trunk/Source/JavaScriptCore</title>
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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/191983">191983</a></dd>
<dt>Author</dt> <dd>benjamin@webkit.org</dd>
<dt>Date</dt> <dd>2015-11-03 15:24:50 -0800 (Tue, 03 Nov 2015)</dd>
</dl>

<h3>Log Message</h3>
<pre>[JSC] Add Air lowering for BitOr and impove BitAnd
https://bugs.webkit.org/show_bug.cgi?id=150827

Patch by Benjamin Poulain &lt;bpoulain@apple.com&gt; on 2015-11-03
Reviewed by Filip Pizlo.

In this patch:
-B3 to Air lowering for BirOr.
-Codegen for BitOr.
-Strength reduction for BitOr and BitAnd.
-Tests for BitAnd and BitOr.
-Bug fix: Move64 with a negative value was destroying the top bits.

* b3/B3Const32Value.cpp:
(JSC::B3::Const32Value::bitAndConstant):
(JSC::B3::Const32Value::bitOrConstant):
* b3/B3Const32Value.h:
* b3/B3Const64Value.cpp:
(JSC::B3::Const64Value::bitAndConstant):
(JSC::B3::Const64Value::bitOrConstant):
* b3/B3Const64Value.h:
* b3/B3LowerToAir.cpp:
(JSC::B3::Air::LowerToAir::immForMove):
(JSC::B3::Air::LowerToAir::immOrTmpForMove):
(JSC::B3::Air::LowerToAir::tryOr):
(JSC::B3::Air::LowerToAir::tryConst64):
(JSC::B3::Air::LowerToAir::tryUpsilon):
(JSC::B3::Air::LowerToAir::tryIdentity):
(JSC::B3::Air::LowerToAir::tryReturn):
(JSC::B3::Air::LowerToAir::immOrTmp): Deleted.
* b3/B3LoweringMatcher.patterns:
* b3/B3ReduceStrength.cpp:
* b3/B3Value.cpp:
(JSC::B3::Value::bitAndConstant):
(JSC::B3::Value::bitOrConstant):
* b3/B3Value.h:
* b3/air/AirOpcode.opcodes:
* b3/testb3.cpp:
(JSC::B3::testReturnConst64):
(JSC::B3::testBitAndArgs):
(JSC::B3::testBitAndSameArg):
(JSC::B3::testBitAndImms):
(JSC::B3::testBitAndArgImm):
(JSC::B3::testBitAndImmArg):
(JSC::B3::testBitAndBitAndArgImmImm):
(JSC::B3::testBitAndImmBitAndArgImm):
(JSC::B3::testBitAndArgs32):
(JSC::B3::testBitAndSameArg32):
(JSC::B3::testBitAndImms32):
(JSC::B3::testBitAndArgImm32):
(JSC::B3::testBitAndImmArg32):
(JSC::B3::testBitAndBitAndArgImmImm32):
(JSC::B3::testBitAndImmBitAndArgImm32):
(JSC::B3::testBitOrArgs):
(JSC::B3::testBitOrSameArg):
(JSC::B3::testBitOrImms):
(JSC::B3::testBitOrArgImm):
(JSC::B3::testBitOrImmArg):
(JSC::B3::testBitOrBitOrArgImmImm):
(JSC::B3::testBitOrImmBitOrArgImm):
(JSC::B3::testBitOrArgs32):
(JSC::B3::testBitOrSameArg32):
(JSC::B3::testBitOrImms32):
(JSC::B3::testBitOrArgImm32):
(JSC::B3::testBitOrImmArg32):
(JSC::B3::testBitOrBitOrArgImmImm32):
(JSC::B3::testBitOrImmBitOrArgImm32):
(JSC::B3::run):</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceJavaScriptCoreChangeLog">trunk/Source/JavaScriptCore/ChangeLog</a></li>
<li><a href="#trunkSourceJavaScriptCoreassemblerMacroAssemblerX86Commonh">trunk/Source/JavaScriptCore/assembler/MacroAssemblerX86Common.h</a></li>
<li><a href="#trunkSourceJavaScriptCoreassemblerX86Assemblerh">trunk/Source/JavaScriptCore/assembler/X86Assembler.h</a></li>
<li><a href="#trunkSourceJavaScriptCoreb3B3Const32Valuecpp">trunk/Source/JavaScriptCore/b3/B3Const32Value.cpp</a></li>
<li><a href="#trunkSourceJavaScriptCoreb3B3Const32Valueh">trunk/Source/JavaScriptCore/b3/B3Const32Value.h</a></li>
<li><a href="#trunkSourceJavaScriptCoreb3B3Const64Valuecpp">trunk/Source/JavaScriptCore/b3/B3Const64Value.cpp</a></li>
<li><a href="#trunkSourceJavaScriptCoreb3B3Const64Valueh">trunk/Source/JavaScriptCore/b3/B3Const64Value.h</a></li>
<li><a href="#trunkSourceJavaScriptCoreb3B3LowerToAircpp">trunk/Source/JavaScriptCore/b3/B3LowerToAir.cpp</a></li>
<li><a href="#trunkSourceJavaScriptCoreb3B3LoweringMatcherpatterns">trunk/Source/JavaScriptCore/b3/B3LoweringMatcher.patterns</a></li>
<li><a href="#trunkSourceJavaScriptCoreb3B3ReduceStrengthcpp">trunk/Source/JavaScriptCore/b3/B3ReduceStrength.cpp</a></li>
<li><a href="#trunkSourceJavaScriptCoreb3B3Valuecpp">trunk/Source/JavaScriptCore/b3/B3Value.cpp</a></li>
<li><a href="#trunkSourceJavaScriptCoreb3B3Valueh">trunk/Source/JavaScriptCore/b3/B3Value.h</a></li>
<li><a href="#trunkSourceJavaScriptCoreb3airAirOpcodeopcodes">trunk/Source/JavaScriptCore/b3/air/AirOpcode.opcodes</a></li>
<li><a href="#trunkSourceJavaScriptCoreb3testb3cpp">trunk/Source/JavaScriptCore/b3/testb3.cpp</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceJavaScriptCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/ChangeLog (191982 => 191983)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/ChangeLog        2015-11-03 23:23:23 UTC (rev 191982)
+++ trunk/Source/JavaScriptCore/ChangeLog        2015-11-03 23:24:50 UTC (rev 191983)
</span><span class="lines">@@ -1,3 +1,73 @@
</span><ins>+2015-11-03  Benjamin Poulain  &lt;bpoulain@apple.com&gt;
+
+        [JSC] Add Air lowering for BitOr and impove BitAnd
+        https://bugs.webkit.org/show_bug.cgi?id=150827
+
+        Reviewed by Filip Pizlo.
+
+        In this patch:
+        -B3 to Air lowering for BirOr.
+        -Codegen for BitOr.
+        -Strength reduction for BitOr and BitAnd.
+        -Tests for BitAnd and BitOr.
+        -Bug fix: Move64 with a negative value was destroying the top bits.
+
+        * b3/B3Const32Value.cpp:
+        (JSC::B3::Const32Value::bitAndConstant):
+        (JSC::B3::Const32Value::bitOrConstant):
+        * b3/B3Const32Value.h:
+        * b3/B3Const64Value.cpp:
+        (JSC::B3::Const64Value::bitAndConstant):
+        (JSC::B3::Const64Value::bitOrConstant):
+        * b3/B3Const64Value.h:
+        * b3/B3LowerToAir.cpp:
+        (JSC::B3::Air::LowerToAir::immForMove):
+        (JSC::B3::Air::LowerToAir::immOrTmpForMove):
+        (JSC::B3::Air::LowerToAir::tryOr):
+        (JSC::B3::Air::LowerToAir::tryConst64):
+        (JSC::B3::Air::LowerToAir::tryUpsilon):
+        (JSC::B3::Air::LowerToAir::tryIdentity):
+        (JSC::B3::Air::LowerToAir::tryReturn):
+        (JSC::B3::Air::LowerToAir::immOrTmp): Deleted.
+        * b3/B3LoweringMatcher.patterns:
+        * b3/B3ReduceStrength.cpp:
+        * b3/B3Value.cpp:
+        (JSC::B3::Value::bitAndConstant):
+        (JSC::B3::Value::bitOrConstant):
+        * b3/B3Value.h:
+        * b3/air/AirOpcode.opcodes:
+        * b3/testb3.cpp:
+        (JSC::B3::testReturnConst64):
+        (JSC::B3::testBitAndArgs):
+        (JSC::B3::testBitAndSameArg):
+        (JSC::B3::testBitAndImms):
+        (JSC::B3::testBitAndArgImm):
+        (JSC::B3::testBitAndImmArg):
+        (JSC::B3::testBitAndBitAndArgImmImm):
+        (JSC::B3::testBitAndImmBitAndArgImm):
+        (JSC::B3::testBitAndArgs32):
+        (JSC::B3::testBitAndSameArg32):
+        (JSC::B3::testBitAndImms32):
+        (JSC::B3::testBitAndArgImm32):
+        (JSC::B3::testBitAndImmArg32):
+        (JSC::B3::testBitAndBitAndArgImmImm32):
+        (JSC::B3::testBitAndImmBitAndArgImm32):
+        (JSC::B3::testBitOrArgs):
+        (JSC::B3::testBitOrSameArg):
+        (JSC::B3::testBitOrImms):
+        (JSC::B3::testBitOrArgImm):
+        (JSC::B3::testBitOrImmArg):
+        (JSC::B3::testBitOrBitOrArgImmImm):
+        (JSC::B3::testBitOrImmBitOrArgImm):
+        (JSC::B3::testBitOrArgs32):
+        (JSC::B3::testBitOrSameArg32):
+        (JSC::B3::testBitOrImms32):
+        (JSC::B3::testBitOrArgImm32):
+        (JSC::B3::testBitOrImmArg32):
+        (JSC::B3::testBitOrBitOrArgImmImm32):
+        (JSC::B3::testBitOrImmBitOrArgImm32):
+        (JSC::B3::run):
+
</ins><span class="cx"> 2015-11-03  Saam barati  &lt;sbarati@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Rewrite &quot;const&quot; as &quot;var&quot; for iTunes/iBooks on the Mac
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreassemblerMacroAssemblerX86Commonh"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/assembler/MacroAssemblerX86Common.h (191982 => 191983)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/assembler/MacroAssemblerX86Common.h        2015-11-03 23:23:23 UTC (rev 191982)
+++ trunk/Source/JavaScriptCore/assembler/MacroAssemblerX86Common.h        2015-11-03 23:24:50 UTC (rev 191983)
</span><span class="lines">@@ -1052,6 +1052,11 @@
</span><span class="cx">             m_assembler.xchgq_rr(reg1, reg2);
</span><span class="cx">     }
</span><span class="cx"> 
</span><ins>+    void signExtend32ToPtr(TrustedImm32 imm, RegisterID dest)
+    {
+        m_assembler.mov_i32r(imm.m_value, dest);
+    }
+
</ins><span class="cx">     void signExtend32ToPtr(RegisterID src, RegisterID dest)
</span><span class="cx">     {
</span><span class="cx">         m_assembler.movsxd_rr(src, dest);
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreassemblerX86Assemblerh"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/assembler/X86Assembler.h (191982 => 191983)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/assembler/X86Assembler.h        2015-11-03 23:23:23 UTC (rev 191982)
+++ trunk/Source/JavaScriptCore/assembler/X86Assembler.h        2015-11-03 23:24:50 UTC (rev 191983)
</span><span class="lines">@@ -1492,6 +1492,12 @@
</span><span class="cx">         m_formatter.oneByteOp64(OP_MOV_EAXIv, dst);
</span><span class="cx">         m_formatter.immediate64(imm);
</span><span class="cx">     }
</span><ins>+
+    void mov_i32r(int32_t imm, RegisterID dst)
+    {
+        m_formatter.oneByteOp64(OP_GROUP11_EvIz, GROUP11_MOV, dst);
+        m_formatter.immediate32(imm);
+    }
</ins><span class="cx">     
</span><span class="cx">     void movsxd_rr(RegisterID src, RegisterID dst)
</span><span class="cx">     {
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreb3B3Const32Valuecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/b3/B3Const32Value.cpp (191982 => 191983)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/b3/B3Const32Value.cpp        2015-11-03 23:23:23 UTC (rev 191982)
+++ trunk/Source/JavaScriptCore/b3/B3Const32Value.cpp        2015-11-03 23:24:50 UTC (rev 191983)
</span><span class="lines">@@ -61,6 +61,20 @@
</span><span class="cx">     return proc.add&lt;Const32Value&gt;(origin(), m_value - other-&gt;asInt32());
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+Value* Const32Value::bitAndConstant(Procedure&amp; proc, Value* other) const
+{
+    if (!other-&gt;hasInt32())
+        return nullptr;
+    return proc.add&lt;Const32Value&gt;(origin(), m_value &amp; other-&gt;asInt32());
+}
+
+Value* Const32Value::bitOrConstant(Procedure&amp; proc, Value* other) const
+{
+    if (!other-&gt;hasInt32())
+        return nullptr;
+    return proc.add&lt;Const32Value&gt;(origin(), m_value | other-&gt;asInt32());
+}
+
</ins><span class="cx"> Value* Const32Value::equalConstant(Procedure&amp; proc, Value* other) const
</span><span class="cx"> {
</span><span class="cx">     if (!other-&gt;hasInt32())
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreb3B3Const32Valueh"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/b3/B3Const32Value.h (191982 => 191983)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/b3/B3Const32Value.h        2015-11-03 23:23:23 UTC (rev 191982)
+++ trunk/Source/JavaScriptCore/b3/B3Const32Value.h        2015-11-03 23:24:50 UTC (rev 191983)
</span><span class="lines">@@ -44,6 +44,8 @@
</span><span class="cx">     Value* addConstant(Procedure&amp;, int32_t other) const override;
</span><span class="cx">     Value* addConstant(Procedure&amp;, Value* other) const override;
</span><span class="cx">     Value* subConstant(Procedure&amp;, Value* other) const override;
</span><ins>+    Value* bitAndConstant(Procedure&amp;, Value* other) const override;
+    Value* bitOrConstant(Procedure&amp;, Value* other) const override;
</ins><span class="cx">     Value* equalConstant(Procedure&amp;, Value* other) const override;
</span><span class="cx">     Value* notEqualConstant(Procedure&amp;, Value* other) const override;
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreb3B3Const64Valuecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/b3/B3Const64Value.cpp (191982 => 191983)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/b3/B3Const64Value.cpp        2015-11-03 23:23:23 UTC (rev 191982)
+++ trunk/Source/JavaScriptCore/b3/B3Const64Value.cpp        2015-11-03 23:24:50 UTC (rev 191983)
</span><span class="lines">@@ -61,6 +61,20 @@
</span><span class="cx">     return proc.add&lt;Const64Value&gt;(origin(), m_value - other-&gt;asInt64());
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+Value* Const64Value::bitAndConstant(Procedure&amp; proc, Value* other) const
+{
+    if (!other-&gt;hasInt64())
+        return nullptr;
+    return proc.add&lt;Const64Value&gt;(origin(), m_value &amp; other-&gt;asInt64());
+}
+
+Value* Const64Value::bitOrConstant(Procedure&amp; proc, Value* other) const
+{
+    if (!other-&gt;hasInt64())
+        return nullptr;
+    return proc.add&lt;Const64Value&gt;(origin(), m_value | other-&gt;asInt64());
+}
+
</ins><span class="cx"> Value* Const64Value::equalConstant(Procedure&amp; proc, Value* other) const
</span><span class="cx"> {
</span><span class="cx">     if (!other-&gt;hasInt64())
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreb3B3Const64Valueh"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/b3/B3Const64Value.h (191982 => 191983)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/b3/B3Const64Value.h        2015-11-03 23:23:23 UTC (rev 191982)
+++ trunk/Source/JavaScriptCore/b3/B3Const64Value.h        2015-11-03 23:24:50 UTC (rev 191983)
</span><span class="lines">@@ -44,6 +44,8 @@
</span><span class="cx">     Value* addConstant(Procedure&amp;, int32_t other) const override;
</span><span class="cx">     Value* addConstant(Procedure&amp;, Value* other) const override;
</span><span class="cx">     Value* subConstant(Procedure&amp;, Value* other) const override;
</span><ins>+    Value* bitAndConstant(Procedure&amp;, Value* other) const override;
+    Value* bitOrConstant(Procedure&amp;, Value* other) const override;
</ins><span class="cx">     Value* equalConstant(Procedure&amp;, Value* other) const override;
</span><span class="cx">     Value* notEqualConstant(Procedure&amp;, Value* other) const override;
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreb3B3LowerToAircpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/b3/B3LowerToAir.cpp (191982 => 191983)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/b3/B3LowerToAir.cpp        2015-11-03 23:23:23 UTC (rev 191982)
+++ trunk/Source/JavaScriptCore/b3/B3LowerToAir.cpp        2015-11-03 23:24:50 UTC (rev 191983)
</span><span class="lines">@@ -654,6 +654,21 @@
</span><span class="cx">         }
</span><span class="cx">     }
</span><span class="cx"> 
</span><ins>+    bool tryOr(Value* left, Value* right)
+    {
+        switch (left-&gt;type()) {
+        case Int32:
+            appendBinOp&lt;Or32, Commutative&gt;(left, right);
+            return true;
+        case Int64:
+            appendBinOp&lt;Or64, Commutative&gt;(left, right);
+            return true;
+        default:
+            // FIXME: Implement more types!
+            return false;
+        }
+    }
+
</ins><span class="cx">     bool tryShl(Value* value, Value* amount)
</span><span class="cx">     {
</span><span class="cx">         Air::Opcode opcode = value-&gt;type() == Int32 ? Lshift32 : Lshift64;
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreb3B3LoweringMatcherpatterns"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/b3/B3LoweringMatcher.patterns (191982 => 191983)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/b3/B3LoweringMatcher.patterns        2015-11-03 23:23:23 UTC (rev 191982)
+++ trunk/Source/JavaScriptCore/b3/B3LoweringMatcher.patterns        2015-11-03 23:24:50 UTC (rev 191983)
</span><span class="lines">@@ -33,6 +33,7 @@
</span><span class="cx"> Add = Add(left, right)
</span><span class="cx"> Sub = Sub(left, right)
</span><span class="cx"> And = BitAnd(left, right)
</span><ins>+Or = BitOr(left, right)
</ins><span class="cx"> 
</span><span class="cx"> Shl = Shl(value, amount)
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreb3B3ReduceStrengthcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/b3/B3ReduceStrength.cpp (191982 => 191983)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/b3/B3ReduceStrength.cpp        2015-11-03 23:23:23 UTC (rev 191982)
+++ trunk/Source/JavaScriptCore/b3/B3ReduceStrength.cpp        2015-11-03 23:24:50 UTC (rev 191983)
</span><span class="lines">@@ -137,6 +137,104 @@
</span><span class="cx"> 
</span><span class="cx">             break;
</span><span class="cx"> 
</span><ins>+        case BitAnd:
+            handleCommutativity();
+
+            // Turn this: BitAnd(constant1, constant2)
+            // Into this: constant1 &amp; constant2
+            if (Value* constantBitAnd = m_value-&gt;child(0)-&gt;bitAndConstant(m_proc, m_value-&gt;child(1))) {
+                replaceWithNewValue(constantBitAnd);
+                break;
+            }
+
+            // Turn this: BitAnd(BitAnd(value, constant1), constant2)
+            // Into this: BitAnd(value, constant1 &amp; constant2).
+            if (m_value-&gt;child(0)-&gt;opcode() == BitAnd) {
+                Value* newConstant = m_value-&gt;child(1)-&gt;bitAndConstant(m_proc, m_value-&gt;child(0)-&gt;child(1));
+                if (newConstant) {
+                    m_insertionSet.insertValue(m_index, newConstant);
+                    m_value-&gt;child(0) = m_value-&gt;child(0)-&gt;child(0);
+                    m_value-&gt;child(1) = newConstant;
+                    m_changed = true;
+                }
+            }
+
+            // Turn this: BitAnd(valueX, valueX)
+            // Into this: valueX.
+            if (m_value-&gt;child(0) == m_value-&gt;child(1)) {
+                m_value-&gt;replaceWithIdentity(m_value-&gt;child(0));
+                m_changed = true;
+                break;
+            }
+
+            // Turn this: BitAnd(value, zero-constant)
+            // Into this: zero-constant.
+            if (m_value-&gt;child(1)-&gt;isInt(0)) {
+                m_value-&gt;replaceWithIdentity(m_value-&gt;child(1));
+                m_changed = true;
+                break;
+            }
+
+            // Turn this: BitAnd(value, all-ones)
+            // Into this: value.
+            if ((m_value-&gt;type() == Int64 &amp;&amp; m_value-&gt;child(1)-&gt;isInt(0xffffffffffffffff))
+                || (m_value-&gt;type() == Int32 &amp;&amp; m_value-&gt;child(1)-&gt;isInt(0xffffffff))) {
+                m_value-&gt;replaceWithIdentity(m_value-&gt;child(0));
+                m_changed = true;
+                break;
+            }
+
+            break;
+
+        case BitOr:
+            handleCommutativity();
+
+            // Turn this: BitOr(constant1, constant2)
+            // Into this: constant1 | constant2
+            if (Value* constantBitAnd = m_value-&gt;child(0)-&gt;bitOrConstant(m_proc, m_value-&gt;child(1))) {
+                replaceWithNewValue(constantBitAnd);
+                break;
+            }
+
+            // Turn this: BitAnd(BitAnd(value, constant1), constant2)
+            // Into this: BitAnd(value, constant1 &amp; constant2).
+            if (m_value-&gt;child(0)-&gt;opcode() == BitOr) {
+                Value* newConstant = m_value-&gt;child(1)-&gt;bitOrConstant(m_proc, m_value-&gt;child(0)-&gt;child(1));
+                if (newConstant) {
+                    m_insertionSet.insertValue(m_index, newConstant);
+                    m_value-&gt;child(0) = m_value-&gt;child(0)-&gt;child(0);
+                    m_value-&gt;child(1) = newConstant;
+                    m_changed = true;
+                }
+            }
+
+            // Turn this: BitOr(valueX, valueX)
+            // Into this: valueX.
+            if (m_value-&gt;child(0) == m_value-&gt;child(1)) {
+                m_value-&gt;replaceWithIdentity(m_value-&gt;child(0));
+                m_changed = true;
+                break;
+            }
+
+            // Turn this: BitOr(value, zero-constant)
+            // Into this: value.
+            if (m_value-&gt;child(1)-&gt;isInt(0)) {
+                m_value-&gt;replaceWithIdentity(m_value-&gt;child(0));
+                m_changed = true;
+                break;
+            }
+
+            // Turn this: BitOr(value, all-ones)
+            // Into this: all-ones.
+            if ((m_value-&gt;type() == Int64 &amp;&amp; m_value-&gt;child(1)-&gt;isInt(0xffffffffffffffff))
+                || (m_value-&gt;type() == Int32 &amp;&amp; m_value-&gt;child(1)-&gt;isInt(0xffffffff))) {
+                m_value-&gt;replaceWithIdentity(m_value-&gt;child(1));
+                m_changed = true;
+                break;
+            }
+
+            break;
+
</ins><span class="cx">         case Load8Z:
</span><span class="cx">         case Load8S:
</span><span class="cx">         case Load16Z:
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreb3B3Valuecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/b3/B3Value.cpp (191982 => 191983)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/b3/B3Value.cpp        2015-11-03 23:23:23 UTC (rev 191982)
+++ trunk/Source/JavaScriptCore/b3/B3Value.cpp        2015-11-03 23:24:50 UTC (rev 191983)
</span><span class="lines">@@ -127,6 +127,16 @@
</span><span class="cx">     return nullptr;
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+Value* Value::bitAndConstant(Procedure&amp;, Value*) const
+{
+    return nullptr;
+}
+
+Value* Value::bitOrConstant(Procedure&amp;, Value*) const
+{
+    return nullptr;
+}
+
</ins><span class="cx"> Value* Value::equalConstant(Procedure&amp;, Value*) const
</span><span class="cx"> {
</span><span class="cx">     return nullptr;
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreb3B3Valueh"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/b3/B3Value.h (191982 => 191983)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/b3/B3Value.h        2015-11-03 23:23:23 UTC (rev 191982)
+++ trunk/Source/JavaScriptCore/b3/B3Value.h        2015-11-03 23:24:50 UTC (rev 191983)
</span><span class="lines">@@ -112,6 +112,8 @@
</span><span class="cx">     virtual Value* addConstant(Procedure&amp;, int32_t other) const;
</span><span class="cx">     virtual Value* addConstant(Procedure&amp;, Value* other) const;
</span><span class="cx">     virtual Value* subConstant(Procedure&amp;, Value* other) const;
</span><ins>+    virtual Value* bitAndConstant(Procedure&amp;, Value* other) const;
+    virtual Value* bitOrConstant(Procedure&amp;, Value* other) const;
</ins><span class="cx">     virtual Value* equalConstant(Procedure&amp;, Value* other) const;
</span><span class="cx">     virtual Value* notEqualConstant(Procedure&amp;, Value* other) const;
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreb3airAirOpcodeopcodes"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/b3/air/AirOpcode.opcodes (191982 => 191983)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/b3/air/AirOpcode.opcodes        2015-11-03 23:23:23 UTC (rev 191982)
+++ trunk/Source/JavaScriptCore/b3/air/AirOpcode.opcodes        2015-11-03 23:24:50 UTC (rev 191983)
</span><span class="lines">@@ -107,6 +107,17 @@
</span><span class="cx">     Tmp*, Tmp
</span><span class="cx">     Imm, Tmp
</span><span class="cx"> 
</span><ins>+Or32 U:G, UD:G
+    Tmp, Tmp
+    Imm, Tmp
+    Tmp, Addr
+    Addr, Tmp
+    Imm, Addr
+
+Or64 U:G, UD:G
+    Tmp, Tmp
+    Imm, Tmp
+
</ins><span class="cx"> Lshift64 U:G, UD:G
</span><span class="cx">     Tmp*, Tmp
</span><span class="cx">     Imm, Tmp
</span><span class="lines">@@ -121,7 +132,7 @@
</span><span class="cx"> # means movePtr.
</span><span class="cx"> Move U:G, D:G
</span><span class="cx">     Tmp, Tmp
</span><del>-    Imm, Tmp
</del><ins>+    Imm, Tmp as signExtend32ToPtr
</ins><span class="cx">     Imm64, Tmp
</span><span class="cx">     Addr, Tmp as loadPtr # This means that &quot;Move Addr, Tmp&quot; is code-generated as &quot;load&quot; not &quot;move&quot;.
</span><span class="cx">     Index, Tmp as loadPtr
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreb3testb3cpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/b3/testb3.cpp (191982 => 191983)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/b3/testb3.cpp        2015-11-03 23:23:23 UTC (rev 191982)
+++ trunk/Source/JavaScriptCore/b3/testb3.cpp        2015-11-03 23:24:50 UTC (rev 191983)
</span><span class="lines">@@ -120,6 +120,17 @@
</span><span class="cx">     CHECK(compileAndRun&lt;int&gt;(proc, argument) == argument);
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void testReturnConst64(int64_t value)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Const64Value&gt;(proc, Origin(), value));
+
+    CHECK(compileAndRun&lt;int64_t&gt;(proc) == value);
+}
+
</ins><span class="cx"> void testAddArgs(int a, int b)
</span><span class="cx"> {
</span><span class="cx">     Procedure proc;
</span><span class="lines">@@ -272,6 +283,461 @@
</span><span class="cx">     CHECK(compileAndRun&lt;int&gt;(proc, b) == a - b);
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void testBitAndArgs(int64_t a, int64_t b)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitAnd, Origin(),
+            root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR0),
+            root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR1)));
+
+    CHECK(compileAndRun&lt;int64_t&gt;(proc, a, b) == (a &amp; b));
+}
+
+void testBitAndSameArg(int64_t a)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    Value* argument = root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR0);
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitAnd, Origin(),
+            argument,
+            argument));
+
+    CHECK(compileAndRun&lt;int64_t&gt;(proc, a) == a);
+}
+
+void testBitAndImms(int64_t a, int64_t b)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitAnd, Origin(),
+            root-&gt;appendNew&lt;Const64Value&gt;(proc, Origin(), a),
+            root-&gt;appendNew&lt;Const64Value&gt;(proc, Origin(), b)));
+
+    CHECK(compileAndRun&lt;int64_t&gt;(proc) == (a &amp; b));
+}
+
+void testBitAndArgImm(int64_t a, int64_t b)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitAnd, Origin(),
+            root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR0),
+            root-&gt;appendNew&lt;Const64Value&gt;(proc, Origin(), b)));
+
+    CHECK(compileAndRun&lt;int64_t&gt;(proc, a) == (a &amp; b));
+}
+
+void testBitAndImmArg(int64_t a, int64_t b)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitAnd, Origin(),
+            root-&gt;appendNew&lt;Const64Value&gt;(proc, Origin(), a),
+            root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR0)));
+
+    CHECK(compileAndRun&lt;int64_t&gt;(proc, b) == (a &amp; b));
+}
+
+void testBitAndBitAndArgImmImm(int64_t a, int64_t b, int64_t c)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    Value* innerBitAnd = root-&gt;appendNew&lt;Value&gt;(
+        proc, BitAnd, Origin(),
+        root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR0),
+        root-&gt;appendNew&lt;Const64Value&gt;(proc, Origin(), b));
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitAnd, Origin(),
+            innerBitAnd,
+            root-&gt;appendNew&lt;Const64Value&gt;(proc, Origin(), c)));
+
+    CHECK(compileAndRun&lt;int64_t&gt;(proc, a) == ((a &amp; b) &amp; c));
+}
+
+void testBitAndImmBitAndArgImm(int64_t a, int64_t b, int64_t c)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    Value* innerBitAnd = root-&gt;appendNew&lt;Value&gt;(
+        proc, BitAnd, Origin(),
+        root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR0),
+        root-&gt;appendNew&lt;Const64Value&gt;(proc, Origin(), c));
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitAnd, Origin(),
+            root-&gt;appendNew&lt;Const64Value&gt;(proc, Origin(), a),
+            innerBitAnd));
+
+    CHECK(compileAndRun&lt;int64_t&gt;(proc, b) == (a &amp; (b &amp; c)));
+}
+
+void testBitAndArgs32(int a, int b)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitAnd, Origin(),
+            root-&gt;appendNew&lt;Value&gt;(
+                proc, Trunc, Origin(),
+                root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR0)),
+            root-&gt;appendNew&lt;Value&gt;(
+                proc, Trunc, Origin(),
+                root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR1))));
+
+    CHECK(compileAndRun&lt;int&gt;(proc, a, b) == (a &amp; b));
+}
+
+void testBitAndSameArg32(int a)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    Value* argument = root-&gt;appendNew&lt;Value&gt;(proc, Trunc, Origin(),
+        root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR0));
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitAnd, Origin(),
+            argument,
+            argument));
+
+    CHECK(compileAndRun&lt;int&gt;(proc, a) == a);
+}
+
+void testBitAndImms32(int a, int b)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitAnd, Origin(),
+            root-&gt;appendNew&lt;Const32Value&gt;(proc, Origin(), a),
+            root-&gt;appendNew&lt;Const32Value&gt;(proc, Origin(), b)));
+
+    CHECK(compileAndRun&lt;int&gt;(proc) == (a &amp; b));
+}
+
+void testBitAndArgImm32(int a, int b)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitAnd, Origin(),
+            root-&gt;appendNew&lt;Value&gt;(
+                proc, Trunc, Origin(),
+                root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR0)),
+            root-&gt;appendNew&lt;Const32Value&gt;(proc, Origin(), b)));
+
+    CHECK(compileAndRun&lt;int&gt;(proc, a) == (a &amp; b));
+}
+
+void testBitAndImmArg32(int a, int b)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitAnd, Origin(),
+            root-&gt;appendNew&lt;Const32Value&gt;(proc, Origin(), a),
+            root-&gt;appendNew&lt;Value&gt;(
+                proc, Trunc, Origin(),
+                root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR0))));
+
+    CHECK(compileAndRun&lt;int&gt;(proc, b) == (a &amp; b));
+}
+
+void testBitAndBitAndArgImmImm32(int a, int b, int c)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    Value* innerBitAnd = root-&gt;appendNew&lt;Value&gt;(
+        proc, BitAnd, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, Trunc, Origin(),
+            root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR0)),
+        root-&gt;appendNew&lt;Const32Value&gt;(proc, Origin(), b));
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitAnd, Origin(),
+            innerBitAnd,
+            root-&gt;appendNew&lt;Const32Value&gt;(proc, Origin(), c)));
+
+    CHECK(compileAndRun&lt;int&gt;(proc, a) == ((a &amp; b) &amp; c));
+}
+
+void testBitAndImmBitAndArgImm32(int a, int b, int c)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    Value* innerBitAnd = root-&gt;appendNew&lt;Value&gt;(
+        proc, BitAnd, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, Trunc, Origin(),
+            root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR0)),
+        root-&gt;appendNew&lt;Const32Value&gt;(proc, Origin(), c));
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitAnd, Origin(),
+            root-&gt;appendNew&lt;Const32Value&gt;(proc, Origin(), a),
+            innerBitAnd));
+
+    CHECK(compileAndRun&lt;int&gt;(proc, b) == (a &amp; (b &amp; c)));
+}
+
+void testBitOrArgs(int64_t a, int64_t b)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitOr, Origin(),
+            root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR0),
+            root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR1)));
+
+    CHECK(compileAndRun&lt;int64_t&gt;(proc, a, b) == (a | b));
+}
+
+void testBitOrSameArg(int64_t a)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    Value* argument = root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR0);
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitOr, Origin(),
+            argument,
+            argument));
+
+    CHECK(compileAndRun&lt;int64_t&gt;(proc, a) == a);
+}
+
+void testBitOrImms(int64_t a, int64_t b)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitOr, Origin(),
+            root-&gt;appendNew&lt;Const64Value&gt;(proc, Origin(), a),
+            root-&gt;appendNew&lt;Const64Value&gt;(proc, Origin(), b)));
+
+    CHECK(compileAndRun&lt;int64_t&gt;(proc) == (a | b));
+}
+
+void testBitOrArgImm(int64_t a, int64_t b)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitOr, Origin(),
+            root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR0),
+            root-&gt;appendNew&lt;Const64Value&gt;(proc, Origin(), b)));
+
+    CHECK(compileAndRun&lt;int64_t&gt;(proc, a) == (a | b));
+}
+
+void testBitOrImmArg(int64_t a, int64_t b)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitOr, Origin(),
+            root-&gt;appendNew&lt;Const64Value&gt;(proc, Origin(), a),
+            root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR0)));
+
+    CHECK(compileAndRun&lt;int64_t&gt;(proc, b) == (a | b));
+}
+
+void testBitOrBitOrArgImmImm(int64_t a, int64_t b, int64_t c)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    Value* innerBitOr = root-&gt;appendNew&lt;Value&gt;(
+        proc, BitOr, Origin(),
+        root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR0),
+        root-&gt;appendNew&lt;Const64Value&gt;(proc, Origin(), b));
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitOr, Origin(),
+            innerBitOr,
+            root-&gt;appendNew&lt;Const64Value&gt;(proc, Origin(), c)));
+
+    CHECK(compileAndRun&lt;int64_t&gt;(proc, a) == ((a | b) | c));
+}
+
+void testBitOrImmBitOrArgImm(int64_t a, int64_t b, int64_t c)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    Value* innerBitOr = root-&gt;appendNew&lt;Value&gt;(
+        proc, BitOr, Origin(),
+        root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR0),
+        root-&gt;appendNew&lt;Const64Value&gt;(proc, Origin(), c));
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitOr, Origin(),
+            root-&gt;appendNew&lt;Const64Value&gt;(proc, Origin(), a),
+            innerBitOr));
+
+    CHECK(compileAndRun&lt;int64_t&gt;(proc, b) == (a | (b | c)));
+}
+
+void testBitOrArgs32(int a, int b)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitOr, Origin(),
+            root-&gt;appendNew&lt;Value&gt;(
+                proc, Trunc, Origin(),
+                root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR0)),
+            root-&gt;appendNew&lt;Value&gt;(
+                proc, Trunc, Origin(),
+                root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR1))));
+
+    CHECK(compileAndRun&lt;int&gt;(proc, a, b) == (a | b));
+}
+
+void testBitOrSameArg32(int a)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    Value* argument = root-&gt;appendNew&lt;Value&gt;(
+        proc, Trunc, Origin(),
+            root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR0));
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitOr, Origin(),
+            argument,
+            argument));
+
+    CHECK(compileAndRun&lt;int&gt;(proc, a) == a);
+}
+
+void testBitOrImms32(int a, int b)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitOr, Origin(),
+            root-&gt;appendNew&lt;Const32Value&gt;(proc, Origin(), a),
+            root-&gt;appendNew&lt;Const32Value&gt;(proc, Origin(), b)));
+
+    CHECK(compileAndRun&lt;int&gt;(proc) == (a | b));
+}
+
+void testBitOrArgImm32(int a, int b)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitOr, Origin(),
+            root-&gt;appendNew&lt;Value&gt;(
+                proc, Trunc, Origin(),
+                root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR0)),
+            root-&gt;appendNew&lt;Const32Value&gt;(proc, Origin(), b)));
+
+    CHECK(compileAndRun&lt;int&gt;(proc, a) == (a | b));
+}
+
+void testBitOrImmArg32(int a, int b)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitOr, Origin(),
+            root-&gt;appendNew&lt;Const32Value&gt;(proc, Origin(), a),
+            root-&gt;appendNew&lt;Value&gt;(
+                proc, Trunc, Origin(),
+                root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR0))));
+
+    CHECK(compileAndRun&lt;int&gt;(proc, b) == (a | b));
+}
+
+void testBitOrBitOrArgImmImm32(int a, int b, int c)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    Value* innerBitOr = root-&gt;appendNew&lt;Value&gt;(
+        proc, BitOr, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, Trunc, Origin(),
+            root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR0)),
+        root-&gt;appendNew&lt;Const32Value&gt;(proc, Origin(), b));
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitOr, Origin(),
+            innerBitOr,
+            root-&gt;appendNew&lt;Const32Value&gt;(proc, Origin(), c)));
+
+    CHECK(compileAndRun&lt;int&gt;(proc, a) == ((a | b) | c));
+}
+
+void testBitOrImmBitOrArgImm32(int a, int b, int c)
+{
+    Procedure proc;
+    BasicBlock* root = proc.addBlock();
+    Value* innerBitOr = root-&gt;appendNew&lt;Value&gt;(
+        proc, BitOr, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, Trunc, Origin(),
+            root-&gt;appendNew&lt;ArgumentRegValue&gt;(proc, Origin(), GPRInfo::argumentGPR0)),
+        root-&gt;appendNew&lt;Const32Value&gt;(proc, Origin(), c));
+    root-&gt;appendNew&lt;ControlValue&gt;(
+        proc, Return, Origin(),
+        root-&gt;appendNew&lt;Value&gt;(
+            proc, BitOr, Origin(),
+            root-&gt;appendNew&lt;Const32Value&gt;(proc, Origin(), a),
+            innerBitOr));
+
+    CHECK(compileAndRun&lt;int&gt;(proc, b) == (a | (b | c)));
+}
+
</ins><span class="cx"> void testStore(int value)
</span><span class="cx"> {
</span><span class="cx">     Procedure proc;
</span><span class="lines">@@ -1250,6 +1716,8 @@
</span><span class="cx">     RUN(test42());
</span><span class="cx">     RUN(testLoad42());
</span><span class="cx">     RUN(testArg(43));
</span><ins>+    RUN(testReturnConst64(5));
+    RUN(testReturnConst64(-42));
</ins><span class="cx"> 
</span><span class="cx">     RUN(testAddArgs(1, 1));
</span><span class="cx">     RUN(testAddArgs(1, 2));
</span><span class="lines">@@ -1289,6 +1757,112 @@
</span><span class="cx">     RUN(testSubImmArg32(13, -42));
</span><span class="cx">     RUN(testSubImmArg32(-13, 42));
</span><span class="cx"> 
</span><ins>+    RUN(testBitAndArgs(43, 43));
+    RUN(testBitAndArgs(43, 0));
+    RUN(testBitAndArgs(10, 3));
+    RUN(testBitAndArgs(42, 0xffffffffffffffff));
+    RUN(testBitAndSameArg(43));
+    RUN(testBitAndSameArg(0));
+    RUN(testBitAndSameArg(3));
+    RUN(testBitAndSameArg(0xffffffffffffffff));
+    RUN(testBitAndImms(43, 43));
+    RUN(testBitAndImms(43, 0));
+    RUN(testBitAndImms(10, 3));
+    RUN(testBitAndImms(42, 0xffffffffffffffff));
+    RUN(testBitAndArgImm(43, 43));
+    RUN(testBitAndArgImm(43, 0));
+    RUN(testBitAndArgImm(10, 3));
+    RUN(testBitAndArgImm(42, 0xffffffffffffffff));
+    RUN(testBitAndImmArg(43, 43));
+    RUN(testBitAndImmArg(43, 0));
+    RUN(testBitAndImmArg(10, 3));
+    RUN(testBitAndImmArg(42, 0xffffffffffffffff));
+    RUN(testBitAndBitAndArgImmImm(2, 7, 3));
+    RUN(testBitAndBitAndArgImmImm(1, 6, 6));
+    RUN(testBitAndBitAndArgImmImm(0xffff, 24, 7));
+    RUN(testBitAndImmBitAndArgImm(7, 2, 3));
+    RUN(testBitAndImmBitAndArgImm(6, 1, 6));
+    RUN(testBitAndImmBitAndArgImm(24, 0xffff, 7));
+    RUN(testBitAndArgs32(43, 43));
+    RUN(testBitAndArgs32(43, 0));
+    RUN(testBitAndArgs32(10, 3));
+    RUN(testBitAndArgs32(42, 0xffffffff));
+    RUN(testBitAndSameArg32(43));
+    RUN(testBitAndSameArg32(0));
+    RUN(testBitAndSameArg32(3));
+    RUN(testBitAndSameArg32(0xffffffff));
+    RUN(testBitAndImms32(43, 43));
+    RUN(testBitAndImms32(43, 0));
+    RUN(testBitAndImms32(10, 3));
+    RUN(testBitAndImms32(42, 0xffffffff));
+    RUN(testBitAndArgImm32(43, 43));
+    RUN(testBitAndArgImm32(43, 0));
+    RUN(testBitAndArgImm32(10, 3));
+    RUN(testBitAndArgImm32(42, 0xffffffff));
+    RUN(testBitAndImmArg32(43, 43));
+    RUN(testBitAndImmArg32(43, 0));
+    RUN(testBitAndImmArg32(10, 3));
+    RUN(testBitAndImmArg32(42, 0xffffffff));
+    RUN(testBitAndBitAndArgImmImm32(2, 7, 3));
+    RUN(testBitAndBitAndArgImmImm32(1, 6, 6));
+    RUN(testBitAndBitAndArgImmImm32(0xffff, 24, 7));
+    RUN(testBitAndImmBitAndArgImm32(7, 2, 3));
+    RUN(testBitAndImmBitAndArgImm32(6, 1, 6));
+    RUN(testBitAndImmBitAndArgImm32(24, 0xffff, 7));
+
+    RUN(testBitOrArgs(43, 43));
+    RUN(testBitOrArgs(43, 0));
+    RUN(testBitOrArgs(10, 3));
+    RUN(testBitOrArgs(42, 0xffffffffffffffff));
+    RUN(testBitOrSameArg(43));
+    RUN(testBitOrSameArg(0));
+    RUN(testBitOrSameArg(3));
+    RUN(testBitOrSameArg(0xffffffffffffffff));
+    RUN(testBitOrImms(43, 43));
+    RUN(testBitOrImms(43, 0));
+    RUN(testBitOrImms(10, 3));
+    RUN(testBitOrImms(42, 0xffffffffffffffff));
+    RUN(testBitOrArgImm(43, 43));
+    RUN(testBitOrArgImm(43, 0));
+    RUN(testBitOrArgImm(10, 3));
+    RUN(testBitOrArgImm(42, 0xffffffffffffffff));
+    RUN(testBitOrImmArg(43, 43));
+    RUN(testBitOrImmArg(43, 0));
+    RUN(testBitOrImmArg(10, 3));
+    RUN(testBitOrImmArg(42, 0xffffffffffffffff));
+    RUN(testBitOrBitOrArgImmImm(2, 7, 3));
+    RUN(testBitOrBitOrArgImmImm(1, 6, 6));
+    RUN(testBitOrBitOrArgImmImm(0xffff, 24, 7));
+    RUN(testBitOrImmBitOrArgImm(7, 2, 3));
+    RUN(testBitOrImmBitOrArgImm(6, 1, 6));
+    RUN(testBitOrImmBitOrArgImm(24, 0xffff, 7));
+    RUN(testBitOrArgs32(43, 43));
+    RUN(testBitOrArgs32(43, 0));
+    RUN(testBitOrArgs32(10, 3));
+    RUN(testBitOrArgs32(42, 0xffffffff));
+    RUN(testBitOrSameArg32(43));
+    RUN(testBitOrSameArg32(0));
+    RUN(testBitOrSameArg32(3));
+    RUN(testBitOrSameArg32(0xffffffff));
+    RUN(testBitOrImms32(43, 43));
+    RUN(testBitOrImms32(43, 0));
+    RUN(testBitOrImms32(10, 3));
+    RUN(testBitOrImms32(42, 0xffffffff));
+    RUN(testBitOrArgImm32(43, 43));
+    RUN(testBitOrArgImm32(43, 0));
+    RUN(testBitOrArgImm32(10, 3));
+    RUN(testBitOrArgImm32(42, 0xffffffff));
+    RUN(testBitOrImmArg32(43, 43));
+    RUN(testBitOrImmArg32(43, 0));
+    RUN(testBitOrImmArg32(10, 3));
+    RUN(testBitOrImmArg32(42, 0xffffffff));
+    RUN(testBitOrBitOrArgImmImm32(2, 7, 3));
+    RUN(testBitOrBitOrArgImmImm32(1, 6, 6));
+    RUN(testBitOrBitOrArgImmImm32(0xffff, 24, 7));
+    RUN(testBitOrImmBitOrArgImm32(7, 2, 3));
+    RUN(testBitOrImmBitOrArgImm32(6, 1, 6));
+    RUN(testBitOrImmBitOrArgImm32(24, 0xffff, 7));
+
</ins><span class="cx">     RUN(testStore(44));
</span><span class="cx">     RUN(testStoreConstant(49));
</span><span class="cx">     RUN(testStoreConstantPtr(49));
</span></span></pre>
</div>
</div>

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