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体验新版 GitCode,发现更多精彩内容 >>
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6db6a691
编写于
3月 23, 2017
作者:
V
vsadov
浏览文件
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电子邮件补丁
差异文件
rebased
上级
7569dbc8
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
8 addition
and
9 deletion
+8
-9
src/Compilers/CSharp/Portable/CodeGen/EmitExpression.cs
src/Compilers/CSharp/Portable/CodeGen/EmitExpression.cs
+2
-3
src/Compilers/CSharp/Test/Emit/CodeGen/CodeGenInParametersTests.cs
...lers/CSharp/Test/Emit/CodeGen/CodeGenInParametersTests.cs
+6
-6
未找到文件。
src/Compilers/CSharp/Portable/CodeGen/EmitExpression.cs
浏览文件 @
6db6a691
...
...
@@ -384,8 +384,7 @@ private void EmitLoweredConditionalAccessExpression(BoundLoweredConditionalAcces
// or if we have default(T) (to do box just once)
var
nullCheckOnCopy
=
LocalRewriter
.
CanChangeValueBetweenReads
(
receiver
,
localsMayBeAssignedOrCaptured
:
false
)
||
(
receiverType
.
IsReferenceType
&&
receiverType
.
TypeKind
==
TypeKind
.
TypeParameter
)
||
(
receiver
.
Kind
==
BoundKind
.
Local
&&
IsStackLocal
(((
BoundLocal
)
receiver
).
LocalSymbol
))
||
(
receiver
.
IsDefaultValue
()
&&
notConstrained
);
(
receiver
.
Kind
==
BoundKind
.
Local
&&
IsStackLocal
(((
BoundLocal
)
receiver
).
LocalSymbol
));
// ===== RECEIVER
if
(
nullCheckOnCopy
)
...
...
@@ -502,7 +501,7 @@ private void EmitLoweredConditionalAccessExpression(BoundLoweredConditionalAcces
Debug
.
Assert
(
receiverTemp
==
null
);
// receiver may be used as target of a struct call (if T happens to be a sruct)
receiverTemp
=
EmitReceiverRef
(
receiver
,
AddressKind
.
Constrained
);
Debug
.
Assert
(
receiverTemp
==
null
);
Debug
.
Assert
(
receiverTemp
==
null
||
receiver
.
IsDefaultValue
()
);
}
EmitExpression
(
expression
.
WhenNotNull
,
used
);
...
...
src/Compilers/CSharp/Test/Emit/CodeGen/CodeGenInParametersTests.cs
浏览文件 @
6db6a691
...
...
@@ -68,7 +68,7 @@ .maxstack 1
IL_0000: ldc.i4.s 42
IL_0002: stloc.0
IL_0003: ldloca.s V_0
IL_0005: call ""ref readonly int Program.M(
ref readonly
int)""
IL_0005: call ""ref readonly int Program.M(
in
int)""
IL_000a: ldind.i4
IL_000b: call ""void System.Console.WriteLine(int)""
IL_0010: ret
...
...
@@ -103,7 +103,7 @@ .locals init (int V_0)
IL_0000: ldc.i4.s 42
IL_0002: stloc.0
IL_0003: ldloca.s V_0
IL_0005: call ""ref readonly int Program.M(
ref readonly
int)""
IL_0005: call ""ref readonly int Program.M(
in
int)""
IL_000a: ldind.i4
IL_000b: call ""void System.Console.WriteLine(int)""
IL_0010: ret
...
...
@@ -137,14 +137,14 @@ public static void Main()
// Code size 17 (0x11)
.maxstack 1
IL_0000: ldsflda ""int Program.F""
IL_0005: call ""ref readonly int Program.M(
ref readonly
int)""
IL_0005: call ""ref readonly int Program.M(
in
int)""
IL_000a: ldind.i4
IL_000b: call ""void System.Console.WriteLine(int)""
IL_0010: ret
}"
);
comp
.
VerifyIL
(
"Program.M(
ref readonly
int)"
,
@"
comp
.
VerifyIL
(
"Program.M(
in
int)"
,
@"
{
// Code size 2 (0x2)
.maxstack 1
...
...
@@ -180,12 +180,12 @@ public static void Main()
var
comp
=
CompileAndVerify
(
text
,
parseOptions
:
TestOptions
.
Regular
,
verify
:
false
,
expectedOutput
:
"42"
);
comp
.
VerifyIL
(
"Program.M(
ref readonly
int)"
,
@"
comp
.
VerifyIL
(
"Program.M(
in
int)"
,
@"
{
// Code size 7 (0x7)
.maxstack 1
IL_0000: ldarg.0
IL_0001: call ""ref readonly int Program.M1(
ref readonly
int)""
IL_0001: call ""ref readonly int Program.M1(
in
int)""
IL_0006: ret
}"
);
}
...
...
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