FIR CFG: merge data flow if called-in-place lambda may not be called

This commit is contained in:
pyos
2022-06-30 11:26:32 +02:00
committed by Dmitriy Novozhilov
parent 06c7572ee5
commit 5a2ec4a0d5
23 changed files with 594 additions and 129 deletions
@@ -1105,6 +1105,12 @@ public class DiagnosisCompilerFirTestdataTestGenerated extends AbstractDiagnosis
runTest("compiler/fir/analysis-tests/testData/resolve/cfg/flowFromInplaceLambda2.kt");
}
@Test
@TestMetadata("flowFromInplaceLambda3.kt")
public void testFlowFromInplaceLambda3() throws Exception {
runTest("compiler/fir/analysis-tests/testData/resolve/cfg/flowFromInplaceLambda3.kt");
}
@Test
@TestMetadata("flowFromTwoInplaceLambdas.kt")
public void testFlowFromTwoInplaceLambdas() throws Exception {
@@ -956,6 +956,11 @@ public class LazyBodyIsNotTouchedTilContractsPhaseTestGenerated extends Abstract
runTest("compiler/fir/analysis-tests/testData/resolve/cfg/flowFromInplaceLambda2.kt");
}
@TestMetadata("flowFromInplaceLambda3.kt")
public void testFlowFromInplaceLambda3() throws Exception {
runTest("compiler/fir/analysis-tests/testData/resolve/cfg/flowFromInplaceLambda3.kt");
}
@TestMetadata("flowFromTwoInplaceLambdas.kt")
public void testFlowFromTwoInplaceLambdas() throws Exception {
runTest("compiler/fir/analysis-tests/testData/resolve/cfg/flowFromTwoInplaceLambdas.kt");
@@ -0,0 +1,307 @@
digraph flowFromInplaceLambda3_kt {
graph [nodesep=3]
node [shape=box penwidth=2]
edge [penwidth=2]
subgraph cluster_0 {
color=red
0 [label="Enter function unknown" style="filled" fillcolor=red];
subgraph cluster_1 {
color=blue
1 [label="Enter block"];
2 [label="Function call: R|<local>/x|.R|SubstitutionOverride<kotlin/Function0.invoke: R|kotlin/Unit|>|()"];
3 [label="Exit block"];
}
4 [label="Exit function unknown" style="filled" fillcolor=red];
}
0 -> {1};
1 -> {2};
2 -> {3};
3 -> {4};
subgraph cluster_2 {
color=red
5 [label="Enter function atLeastOnce" style="filled" fillcolor=red];
subgraph cluster_3 {
color=blue
6 [label="Enter block"];
7 [label="Function call: R|<local>/x|.R|SubstitutionOverride<kotlin/Function0.invoke: R|kotlin/Unit|>|()"];
8 [label="Exit block"];
}
9 [label="Exit function atLeastOnce" style="filled" fillcolor=red];
}
5 -> {6};
6 -> {7};
7 -> {8};
8 -> {9};
subgraph cluster_4 {
color=red
10 [label="Enter function exactlyOnce" style="filled" fillcolor=red];
subgraph cluster_5 {
color=blue
11 [label="Enter block"];
12 [label="Function call: R|<local>/x|.R|SubstitutionOverride<kotlin/Function0.invoke: R|kotlin/Unit|>|()"];
13 [label="Exit block"];
}
14 [label="Exit function exactlyOnce" style="filled" fillcolor=red];
}
10 -> {11};
11 -> {12};
12 -> {13};
13 -> {14};
subgraph cluster_6 {
color=red
15 [label="Enter function atMostOnce" style="filled" fillcolor=red];
subgraph cluster_7 {
color=blue
16 [label="Enter block"];
17 [label="Exit block"];
}
18 [label="Exit function atMostOnce" style="filled" fillcolor=red];
}
15 -> {16};
16 -> {17};
17 -> {18};
subgraph cluster_8 {
color=red
19 [label="Enter function test1" style="filled" fillcolor=red];
subgraph cluster_9 {
color=blue
20 [label="Enter block"];
21 [label="Variable declaration: lvar x: R|kotlin/Any?|"];
22 [label="Const: String()"];
23 [label="Assignment: R|<local>/x|"];
24 [label="Access variable R|<local>/x|"];
25 [label="Access variable R|kotlin/String.length|"];
26 [label="Postponed enter to lambda"];
subgraph cluster_10 {
color=blue
35 [label="Enter function anonymousFunction" style="filled" fillcolor=red];
subgraph cluster_11 {
color=blue
36 [label="Enter block"];
37 [label="Const: Int(1)"];
38 [label="Assignment: R|<local>/x|"];
39 [label="Exit block"];
}
40 [label="Exit function anonymousFunction" style="filled" fillcolor=red];
}
27 [label="Postponed exit from lambda"];
28 [label="Function call: R|/unknown|(...)"];
29 [label="Access variable R|<local>/x|"];
30 [label="Access variable <Unresolved name: length>#"];
31 [label="Access variable R|<local>/x|"];
32 [label="Function call: R|<local>/x|.<Unresolved name: inc>#()"];
33 [label="Exit block"];
}
34 [label="Exit function test1" style="filled" fillcolor=red];
}
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40 -> {35} [color=green style=dashed];
subgraph cluster_12 {
color=red
41 [label="Enter function test2" style="filled" fillcolor=red];
subgraph cluster_13 {
color=blue
42 [label="Enter block"];
43 [label="Variable declaration: lvar x: R|kotlin/Any?|"];
44 [label="Const: String()"];
45 [label="Assignment: R|<local>/x|"];
46 [label="Access variable R|<local>/x|"];
47 [label="Access variable R|kotlin/String.length|"];
48 [label="Postponed enter to lambda"];
subgraph cluster_14 {
color=blue
58 [label="Enter function anonymousFunction" style="filled" fillcolor=red];
subgraph cluster_15 {
color=blue
59 [label="Enter block"];
60 [label="Const: Int(1)"];
61 [label="Assignment: R|<local>/x|"];
62 [label="Exit block"];
}
63 [label="Exit function anonymousFunction" style="filled" fillcolor=red];
}
49 [label="Call arguments union" style="filled" fillcolor=yellow];
50 [label="Postponed exit from lambda"];
51 [label="Function call: R|/atLeastOnce|(...)"];
52 [label="Access variable R|<local>/x|"];
53 [label="Access variable <Unresolved name: length>#"];
54 [label="Access variable R|<local>/x|"];
55 [label="Function call: R|<local>/x|.R|kotlin/Int.inc|()"];
56 [label="Exit block"];
}
57 [label="Exit function test2" style="filled" fillcolor=red];
}
41 -> {42};
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50 -> {51} [color=green];
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60 -> {61};
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63 -> {49} [color=red];
63 -> {50} [color=green];
63 -> {58} [color=green style=dashed];
subgraph cluster_16 {
color=red
64 [label="Enter function test3" style="filled" fillcolor=red];
subgraph cluster_17 {
color=blue
65 [label="Enter block"];
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67 [label="Const: String()"];
68 [label="Assignment: R|<local>/x|"];
69 [label="Access variable R|<local>/x|"];
70 [label="Access variable R|kotlin/String.length|"];
71 [label="Postponed enter to lambda"];
subgraph cluster_18 {
color=blue
81 [label="Enter function anonymousFunction" style="filled" fillcolor=red];
subgraph cluster_19 {
color=blue
82 [label="Enter block"];
83 [label="Const: Int(1)"];
84 [label="Assignment: R|<local>/x|"];
85 [label="Exit block"];
}
86 [label="Exit function anonymousFunction" style="filled" fillcolor=red];
}
72 [label="Call arguments union" style="filled" fillcolor=yellow];
73 [label="Postponed exit from lambda"];
74 [label="Function call: R|/exactlyOnce|(...)"];
75 [label="Access variable R|<local>/x|"];
76 [label="Access variable <Unresolved name: length>#"];
77 [label="Access variable R|<local>/x|"];
78 [label="Function call: R|<local>/x|.R|kotlin/Int.inc|()"];
79 [label="Exit block"];
}
80 [label="Exit function test3" style="filled" fillcolor=red];
}
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subgraph cluster_20 {
color=red
87 [label="Enter function test4" style="filled" fillcolor=red];
subgraph cluster_21 {
color=blue
88 [label="Enter block"];
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90 [label="Const: String()"];
91 [label="Assignment: R|<local>/x|"];
92 [label="Access variable R|<local>/x|"];
93 [label="Access variable R|kotlin/String.length|"];
94 [label="Postponed enter to lambda"];
subgraph cluster_22 {
color=blue
103 [label="Enter function anonymousFunction" style="filled" fillcolor=red];
subgraph cluster_23 {
color=blue
104 [label="Enter block"];
105 [label="Const: Int(1)"];
106 [label="Assignment: R|<local>/x|"];
107 [label="Exit block"];
}
108 [label="Exit function anonymousFunction" style="filled" fillcolor=red];
}
95 [label="Postponed exit from lambda"];
96 [label="Function call: R|/atMostOnce|(...)"];
97 [label="Access variable R|<local>/x|"];
98 [label="Access variable <Unresolved name: length>#"];
99 [label="Access variable R|<local>/x|"];
100 [label="Function call: R|<local>/x|.<Unresolved name: inc>#()"];
101 [label="Exit block"];
}
102 [label="Exit function test4" style="filled" fillcolor=red];
}
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104 -> {105};
105 -> {106};
106 -> {107};
107 -> {108};
108 -> {95};
}
@@ -0,0 +1,80 @@
FILE: flowFromInplaceLambda3.kt
public final fun unknown(x: R|() -> kotlin/Unit|): R|kotlin/Unit|
[R|Contract description]
<
CallsInPlace(x, UNKNOWN)
>
{
[StubStatement]
R|<local>/x|.R|SubstitutionOverride<kotlin/Function0.invoke: R|kotlin/Unit|>|()
}
public final fun atLeastOnce(x: R|() -> kotlin/Unit|): R|kotlin/Unit|
[R|Contract description]
<
CallsInPlace(x, AT_LEAST_ONCE)
>
{
[StubStatement]
R|<local>/x|.R|SubstitutionOverride<kotlin/Function0.invoke: R|kotlin/Unit|>|()
}
public final fun exactlyOnce(x: R|() -> kotlin/Unit|): R|kotlin/Unit|
[R|Contract description]
<
CallsInPlace(x, AT_LEAST_ONCE)
>
{
[StubStatement]
R|<local>/x|.R|SubstitutionOverride<kotlin/Function0.invoke: R|kotlin/Unit|>|()
}
public final fun atMostOnce(x: R|() -> kotlin/Unit|): R|kotlin/Unit|
[R|Contract description]
<
CallsInPlace(x, AT_MOST_ONCE)
>
{
[StubStatement]
}
public final fun test1(): R|kotlin/Unit| {
lvar x: R|kotlin/Any?|
R|<local>/x| = String()
R|<local>/x|.R|kotlin/String.length|
R|/unknown|(<L> = unknown@fun <anonymous>(): R|kotlin/Unit| <inline=NoInline, kind=UNKNOWN> {
R|<local>/x| = Int(1)
}
)
R|<local>/x|.<Unresolved name: length>#
R|<local>/x|.<Unresolved name: inc>#()
}
public final fun test2(): R|kotlin/Unit| {
lvar x: R|kotlin/Any?|
R|<local>/x| = String()
R|<local>/x|.R|kotlin/String.length|
R|/atLeastOnce|(<L> = atLeastOnce@fun <anonymous>(): R|kotlin/Unit| <inline=NoInline, kind=AT_LEAST_ONCE> {
R|<local>/x| = Int(1)
}
)
R|<local>/x|.<Unresolved name: length>#
R|<local>/x|.R|kotlin/Int.inc|()
}
public final fun test3(): R|kotlin/Unit| {
lvar x: R|kotlin/Any?|
R|<local>/x| = String()
R|<local>/x|.R|kotlin/String.length|
R|/exactlyOnce|(<L> = exactlyOnce@fun <anonymous>(): R|kotlin/Unit| <inline=NoInline, kind=AT_LEAST_ONCE> {
R|<local>/x| = Int(1)
}
)
R|<local>/x|.<Unresolved name: length>#
R|<local>/x|.R|kotlin/Int.inc|()
}
public final fun test4(): R|kotlin/Unit| {
lvar x: R|kotlin/Any?|
R|<local>/x| = String()
R|<local>/x|.R|kotlin/String.length|
R|/atMostOnce|(<L> = atMostOnce@fun <anonymous>(): R|kotlin/Unit| <inline=NoInline, kind=AT_MOST_ONCE> {
R|<local>/x| = Int(1)
}
)
R|<local>/x|.<Unresolved name: length>#
R|<local>/x|.<Unresolved name: inc>#()
}
@@ -0,0 +1,58 @@
// !DUMP_CFG
import kotlin.contracts.*
fun unknown(x: () -> Unit) {
contract { callsInPlace(x, InvocationKind.UNKNOWN) }
x()
}
fun atLeastOnce(x: () -> Unit) {
contract { callsInPlace(x, InvocationKind.AT_LEAST_ONCE) }
x()
}
fun exactlyOnce(x: () -> Unit) {
contract { callsInPlace(x, InvocationKind.AT_LEAST_ONCE) }
x()
}
fun atMostOnce(x: () -> Unit) {
contract { callsInPlace(x, InvocationKind.AT_MOST_ONCE) }
}
fun test1() {
var x: Any?
x = ""
x.length
unknown { x = 1 }
x.<!UNRESOLVED_REFERENCE!>length<!>
x.<!UNRESOLVED_REFERENCE!>inc<!>()
}
fun test2() {
var x: Any?
x = ""
x.length
atLeastOnce { x = 1 }
x.<!UNRESOLVED_REFERENCE!>length<!>
x.inc()
}
fun test3() {
var x: Any?
x = ""
x.length
exactlyOnce { x = 1 }
x.<!UNRESOLVED_REFERENCE!>length<!>
x.inc()
}
fun test4() {
var x: Any?
x = ""
x.length
atMostOnce { x = 1 }
x.<!UNRESOLVED_REFERENCE!>length<!>
x.<!UNRESOLVED_REFERENCE!>inc<!>()
}
+2 -3
View File
@@ -395,8 +395,7 @@ digraph jumps_kt {
}
124 -> {125};
125 -> {126};
126 -> {131};
126 -> {127} [color=red];
126 -> {127 131};
126 -> {131} [style=dashed];
127 -> {128};
128 -> {129};
@@ -407,7 +406,7 @@ digraph jumps_kt {
133 -> {134} [style=dotted];
134 -> {135} [style=dotted];
135 -> {136} [style=dotted];
136 -> {127} [color=green];
136 -> {127};
136 -> {131} [color=green style=dashed];
}
@@ -74,8 +74,7 @@ digraph lambdas_kt {
12 -> {20};
13 -> {14};
14 -> {15};
15 -> {23};
15 -> {16} [color=red];
15 -> {16 23};
15 -> {23} [style=dashed];
16 -> {17};
17 -> {18};
@@ -88,7 +87,7 @@ digraph lambdas_kt {
25 -> {26};
26 -> {27};
27 -> {28};
28 -> {16} [color=green];
28 -> {16};
28 -> {23} [color=green style=dashed];
subgraph cluster_9 {
@@ -218,8 +217,7 @@ digraph lambdas_kt {
}
62 -> {63};
63 -> {64};
64 -> {71};
64 -> {65} [color=red];
64 -> {65 71};
64 -> {71} [style=dashed];
65 -> {66};
66 -> {67};
@@ -234,7 +232,7 @@ digraph lambdas_kt {
74 -> {75} [style=dotted];
75 -> {76} [style=dotted];
76 -> {77} [style=dotted];
77 -> {65} [color=green];
77 -> {65};
77 -> {71} [color=green style=dashed];
subgraph cluster_22 {
@@ -270,8 +268,7 @@ digraph lambdas_kt {
}
78 -> {79};
79 -> {80};
80 -> {87};
80 -> {81} [color=red];
80 -> {81 87};
80 -> {87} [style=dashed];
81 -> {82};
82 -> {83};
@@ -286,7 +283,7 @@ digraph lambdas_kt {
90 -> {91} [style=dotted];
91 -> {92} [style=dotted];
92 -> {93} [style=dotted];
93 -> {81} [color=green];
93 -> {81};
93 -> {87} [color=green style=dashed];
}
@@ -191,8 +191,7 @@ digraph localClassesWithImplicit_kt {
}
36 -> {37};
37 -> {38};
38 -> {45};
38 -> {39} [color=red];
38 -> {39 45};
38 -> {45} [style=dashed];
39 -> {40};
40 -> {41};
@@ -225,7 +224,7 @@ digraph localClassesWithImplicit_kt {
67 -> {68};
68 -> {69};
69 -> {70};
70 -> {39} [color=green];
70 -> {39};
70 -> {45} [color=green style=dashed];
subgraph cluster_19 {
@@ -265,8 +264,7 @@ digraph localClassesWithImplicit_kt {
}
71 -> {72};
72 -> {73};
73 -> {80};
73 -> {74} [color=red];
73 -> {74 80};
73 -> {80} [style=dashed];
74 -> {75};
75 -> {76};
@@ -282,7 +280,7 @@ digraph localClassesWithImplicit_kt {
85 -> {86};
86 -> {87};
87 -> {88};
88 -> {74} [color=green];
88 -> {74};
88 -> {80} [color=green style=dashed];
subgraph cluster_23 {
@@ -392,8 +390,7 @@ digraph localClassesWithImplicit_kt {
}
99 -> {100};
100 -> {101};
101 -> {108};
101 -> {102} [color=red];
101 -> {102 108};
101 -> {108} [style=dashed];
102 -> {103};
103 -> {104};
@@ -426,7 +423,7 @@ digraph localClassesWithImplicit_kt {
130 -> {131};
131 -> {132};
132 -> {133};
133 -> {102} [color=green];
133 -> {102};
133 -> {108} [color=green style=dashed];
subgraph cluster_35 {
@@ -466,8 +463,7 @@ digraph localClassesWithImplicit_kt {
}
134 -> {135};
135 -> {136};
136 -> {143};
136 -> {137} [color=red];
136 -> {137 143};
136 -> {143} [style=dashed];
137 -> {138};
138 -> {139};
@@ -483,7 +479,7 @@ digraph localClassesWithImplicit_kt {
148 -> {149};
149 -> {150};
150 -> {151};
151 -> {137} [color=green];
151 -> {137};
151 -> {143} [color=green style=dashed];
subgraph cluster_39 {
@@ -47,8 +47,7 @@ digraph postponedLambdas_kt {
5 -> {6};
6 -> {7};
7 -> {8};
8 -> {13};
8 -> {9} [color=red];
8 -> {9 13};
8 -> {13} [style=dashed];
9 -> {10};
10 -> {11};
@@ -57,7 +56,7 @@ digraph postponedLambdas_kt {
14 -> {15};
15 -> {16};
16 -> {17};
17 -> {9} [color=green];
17 -> {9};
17 -> {13} [color=green style=dashed];
}
@@ -227,8 +227,7 @@ digraph propertiesAndInitBlocks_kt {
79 [label="Exit property" style="filled" fillcolor=red];
}
75 -> {76};
76 -> {24};
76 -> {77} [color=red];
76 -> {77 24};
76 -> {24} [style=dashed];
77 -> {78};
78 -> {79};
@@ -243,7 +242,7 @@ digraph propertiesAndInitBlocks_kt {
28 -> {29} [style=dotted];
29 -> {30} [style=dotted];
30 -> {31} [style=dotted];
31 -> {77} [color=green];
31 -> {77};
31 -> {24} [color=green style=dashed];
32 -> {33} [color=green];
33 -> {34} [style=dotted];
@@ -80,8 +80,7 @@ digraph callsInPlace_kt {
17 -> {18};
18 -> {19};
19 -> {20};
20 -> {25};
20 -> {21} [color=red];
20 -> {21 25};
20 -> {25} [style=dashed];
21 -> {22};
22 -> {23};
@@ -90,7 +89,7 @@ digraph callsInPlace_kt {
26 -> {27};
27 -> {28};
28 -> {29};
29 -> {21} [color=green];
29 -> {21};
29 -> {25} [color=green style=dashed];
subgraph cluster_8 {
@@ -120,8 +119,7 @@ digraph callsInPlace_kt {
}
30 -> {31};
31 -> {32};
32 -> {38};
32 -> {33} [color=red];
32 -> {33 38};
32 -> {38} [style=dashed];
33 -> {34};
34 -> {35};
@@ -131,7 +129,7 @@ digraph callsInPlace_kt {
39 -> {40};
40 -> {41};
41 -> {42};
42 -> {33} [color=green];
42 -> {33};
42 -> {38} [color=green style=dashed];
subgraph cluster_12 {
@@ -293,12 +291,10 @@ digraph callsInPlace_kt {
}
85 -> {86};
86 -> {87};
87 -> {99};
87 -> {88} [color=red];
87 -> {88 99};
87 -> {99} [style=dashed];
88 -> {89};
89 -> {94};
89 -> {90} [color=red];
89 -> {90 94};
89 -> {94} [style=dashed];
90 -> {91};
91 -> {92};
@@ -307,13 +303,13 @@ digraph callsInPlace_kt {
95 -> {96};
96 -> {97};
97 -> {98};
98 -> {90} [color=green];
98 -> {90};
98 -> {94} [color=green style=dashed];
99 -> {103 100};
100 -> {101};
101 -> {102};
102 -> {103};
103 -> {88} [color=green];
103 -> {88};
103 -> {99} [color=green style=dashed];
subgraph cluster_28 {
@@ -355,12 +351,10 @@ digraph callsInPlace_kt {
}
104 -> {105};
105 -> {106};
106 -> {113};
106 -> {107} [color=red];
106 -> {107 113};
106 -> {113} [style=dashed];
107 -> {108};
108 -> {118};
108 -> {109} [color=red];
108 -> {109 118};
108 -> {118} [style=dashed];
109 -> {110};
110 -> {111};
@@ -369,13 +363,13 @@ digraph callsInPlace_kt {
114 -> {115};
115 -> {116};
116 -> {117};
117 -> {107} [color=green];
117 -> {107};
117 -> {113} [color=green style=dashed];
118 -> {122 119};
119 -> {120};
120 -> {121};
121 -> {122};
122 -> {109} [color=green];
122 -> {109};
122 -> {118} [color=green style=dashed];
subgraph cluster_34 {
@@ -45,88 +45,94 @@ digraph atLeastOnce_kt {
13 [label="Postponed enter to lambda"];
subgraph cluster_6 {
color=blue
20 [label="Enter function anonymousFunction" style="filled" fillcolor=red];
21 [label="Enter function anonymousFunction" style="filled" fillcolor=red];
subgraph cluster_7 {
color=blue
21 [label="Enter block"];
22 [label="Const: Int(1)"];
23 [label="Assignment: R|<local>/x|"];
24 [label="Exit block"];
22 [label="Enter block"];
23 [label="Const: Int(1)"];
24 [label="Assignment: R|<local>/x|"];
25 [label="Exit block"];
}
25 [label="Exit function anonymousFunction" style="filled" fillcolor=red];
26 [label="Exit function anonymousFunction" style="filled" fillcolor=red];
}
14 [label="Postponed exit from lambda"];
15 [label="Function call: R|/inlineRun|(...)"];
16 [label="Access variable R|<local>/x|"];
17 [label="Function call: R|<local>/x|.R|kotlin/Int.inc|()"];
18 [label="Exit block"];
14 [label="Call arguments union" style="filled" fillcolor=yellow];
15 [label="Postponed exit from lambda"];
16 [label="Function call: R|/inlineRun|(...)"];
17 [label="Access variable R|<local>/x|"];
18 [label="Function call: R|<local>/x|.R|kotlin/Int.inc|()"];
19 [label="Exit block"];
}
19 [label="Exit function test_1" style="filled" fillcolor=red];
20 [label="Exit function test_1" style="filled" fillcolor=red];
}
10 -> {11};
11 -> {12};
12 -> {13};
13 -> {20};
13 -> {14} [color=red];
13 -> {20} [style=dashed];
14 -> {15};
15 -> {16};
13 -> {21};
13 -> {15} [color=red];
13 -> {21} [style=dashed];
14 -> {16} [color=red];
15 -> {16} [color=green];
16 -> {17};
17 -> {18};
18 -> {19};
20 -> {21};
19 -> {20};
21 -> {22};
22 -> {23};
23 -> {24};
24 -> {25};
25 -> {14} [color=green];
25 -> {20} [color=green style=dashed];
25 -> {26};
26 -> {14} [color=red];
26 -> {15} [color=green];
26 -> {21} [color=green style=dashed];
subgraph cluster_8 {
color=red
26 [label="Enter function test_2" style="filled" fillcolor=red];
27 [label="Enter function test_2" style="filled" fillcolor=red];
subgraph cluster_9 {
color=blue
27 [label="Enter block"];
28 [label="Variable declaration: lval x: R|kotlin/Int|"];
29 [label="Postponed enter to lambda"];
28 [label="Enter block"];
29 [label="Variable declaration: lval x: R|kotlin/Int|"];
30 [label="Postponed enter to lambda"];
subgraph cluster_10 {
color=blue
36 [label="Enter function anonymousFunction" style="filled" fillcolor=red];
38 [label="Enter function anonymousFunction" style="filled" fillcolor=red];
subgraph cluster_11 {
color=blue
37 [label="Enter block"];
38 [label="Const: Int(1)"];
39 [label="Assignment: R|<local>/x|"];
40 [label="Exit block"];
39 [label="Enter block"];
40 [label="Const: Int(1)"];
41 [label="Assignment: R|<local>/x|"];
42 [label="Exit block"];
}
41 [label="Exit function anonymousFunction" style="filled" fillcolor=red];
43 [label="Exit function anonymousFunction" style="filled" fillcolor=red];
}
30 [label="Postponed exit from lambda"];
31 [label="Function call: R|/myRun|(...)"];
32 [label="Access variable R|<local>/x|"];
33 [label="Function call: R|<local>/x|.R|kotlin/Int.inc|()"];
34 [label="Exit block"];
31 [label="Call arguments union" style="filled" fillcolor=yellow];
32 [label="Postponed exit from lambda"];
33 [label="Function call: R|/myRun|(...)"];
34 [label="Access variable R|<local>/x|"];
35 [label="Function call: R|<local>/x|.R|kotlin/Int.inc|()"];
36 [label="Exit block"];
}
35 [label="Exit function test_2" style="filled" fillcolor=red];
37 [label="Exit function test_2" style="filled" fillcolor=red];
}
26 -> {27};
27 -> {28};
28 -> {29};
29 -> {36};
29 -> {30} [color=red];
29 -> {36} [style=dashed];
30 -> {31};
31 -> {32};
32 -> {33};
29 -> {30};
30 -> {38};
30 -> {32} [color=red];
30 -> {38} [style=dashed];
31 -> {33} [color=red];
32 -> {33} [color=green];
33 -> {34};
34 -> {35};
35 -> {36};
36 -> {37};
37 -> {38};
38 -> {39};
39 -> {40};
40 -> {41};
41 -> {30} [color=green];
41 -> {36} [color=green style=dashed];
41 -> {42};
42 -> {43};
43 -> {31} [color=red];
43 -> {32} [color=green];
43 -> {38} [color=green style=dashed];
}
@@ -66,8 +66,7 @@ digraph atMostOnce_kt {
10 -> {11};
11 -> {12};
12 -> {13};
13 -> {20};
13 -> {14} [color=red];
13 -> {14 20};
13 -> {20} [style=dashed];
14 -> {15};
15 -> {16};
@@ -79,7 +78,7 @@ digraph atMostOnce_kt {
22 -> {23};
23 -> {24};
24 -> {25};
25 -> {14} [color=green];
25 -> {14};
subgraph cluster_8 {
color=red
@@ -112,8 +111,7 @@ digraph atMostOnce_kt {
26 -> {27};
27 -> {28};
28 -> {29};
29 -> {36};
29 -> {30} [color=red];
29 -> {30 36};
29 -> {36} [style=dashed];
30 -> {31};
31 -> {32};
@@ -125,6 +123,6 @@ digraph atMostOnce_kt {
38 -> {39};
39 -> {40};
40 -> {41};
41 -> {30} [color=green];
41 -> {30};
}
@@ -76,8 +76,7 @@ digraph inPlaceLambda_kt {
15 -> {16};
16 -> {17};
17 -> {18};
18 -> {23};
18 -> {19} [color=red];
18 -> {19 23};
18 -> {23} [style=dashed];
19 -> {20};
20 -> {21};
@@ -86,6 +85,6 @@ digraph inPlaceLambda_kt {
24 -> {25};
25 -> {26};
26 -> {27};
27 -> {19} [color=green];
27 -> {19};
}
@@ -66,8 +66,7 @@ digraph unknown_kt {
10 -> {11};
11 -> {12};
12 -> {13};
13 -> {20};
13 -> {14} [color=red];
13 -> {14 20};
13 -> {20} [style=dashed];
14 -> {15};
15 -> {16};
@@ -79,7 +78,7 @@ digraph unknown_kt {
22 -> {23};
23 -> {24};
24 -> {25};
25 -> {14} [color=green];
25 -> {14};
25 -> {20} [color=green style=dashed];
subgraph cluster_8 {
@@ -113,8 +112,7 @@ digraph unknown_kt {
26 -> {27};
27 -> {28};
28 -> {29};
29 -> {36};
29 -> {30} [color=red];
29 -> {30 36};
29 -> {36} [style=dashed];
30 -> {31};
31 -> {32};
@@ -126,7 +124,7 @@ digraph unknown_kt {
38 -> {39};
39 -> {40};
40 -> {41};
41 -> {30} [color=green];
41 -> {30};
41 -> {36} [color=green style=dashed];
}
@@ -146,8 +146,7 @@ digraph plusAssignWithLambdaInRhs_kt {
37 -> {38};
38 -> {39};
39 -> {40};
40 -> {45};
40 -> {41} [color=red];
40 -> {41 45};
40 -> {45} [style=dashed];
41 -> {42};
42 -> {43};
@@ -157,7 +156,7 @@ digraph plusAssignWithLambdaInRhs_kt {
47 -> {48};
48 -> {49};
49 -> {50};
50 -> {41} [color=green];
50 -> {41};
50 -> {45} [color=green style=dashed];
}
@@ -105,8 +105,7 @@ finally {
14 -> {15};
15 -> {16};
16 -> {17};
17 -> {31};
17 -> {18} [color=red];
17 -> {18 31};
17 -> {31} [style=dashed];
18 -> {19};
19 -> {20};
@@ -126,7 +125,7 @@ finally {
32 -> {33};
33 -> {34};
34 -> {35};
35 -> {18} [color=green];
35 -> {18};
35 -> {31} [color=green style=dashed];
subgraph cluster_13 {
@@ -1105,6 +1105,12 @@ public class FirDiagnosticTestGenerated extends AbstractFirDiagnosticTest {
runTest("compiler/fir/analysis-tests/testData/resolve/cfg/flowFromInplaceLambda2.kt");
}
@Test
@TestMetadata("flowFromInplaceLambda3.kt")
public void testFlowFromInplaceLambda3() throws Exception {
runTest("compiler/fir/analysis-tests/testData/resolve/cfg/flowFromInplaceLambda3.kt");
}
@Test
@TestMetadata("flowFromTwoInplaceLambdas.kt")
public void testFlowFromTwoInplaceLambdas() throws Exception {
@@ -1105,6 +1105,12 @@ public class FirDiagnosticsWithLightTreeTestGenerated extends AbstractFirDiagnos
runTest("compiler/fir/analysis-tests/testData/resolve/cfg/flowFromInplaceLambda2.kt");
}
@Test
@TestMetadata("flowFromInplaceLambda3.kt")
public void testFlowFromInplaceLambda3() throws Exception {
runTest("compiler/fir/analysis-tests/testData/resolve/cfg/flowFromInplaceLambda3.kt");
}
@Test
@TestMetadata("flowFromTwoInplaceLambdas.kt")
public void testFlowFromTwoInplaceLambdas() throws Exception {
@@ -308,8 +308,8 @@ abstract class FirDataFlowAnalyzer<FLOW : Flow>(
else -> {}
}
// TODO: questionable
postponedLambdaExitNode?.mergeIncomingFlow()
functionExitNode.mergeIncomingFlow()
postponedLambdaExitNode?.mergeIncomingFlow()
logicSystem.updateAllReceivers(graph.enterNode.computeIncomingFlow().first)
return FirControlFlowGraphReferenceImpl(graph)
}
@@ -323,7 +323,7 @@ class ControlFlowGraphBuilder {
private val EventOccurrencesRange?.hasBackEdge: Boolean
get() = when (this) {
EventOccurrencesRange.AT_LEAST_ONCE, EventOccurrencesRange.UNKNOWN -> true
EventOccurrencesRange.AT_LEAST_ONCE, EventOccurrencesRange.MORE_THAN_ONCE, EventOccurrencesRange.UNKNOWN -> true
else -> false
}
@@ -354,20 +354,35 @@ class ControlFlowGraphBuilder {
}
val invocationKind = anonymousFunction.invocationKind
if (invocationKind != null) {
addEdge(exitNode, postponedExitNode, preferredKind = EdgeKind.CfgForward)
} else {
val maybeNonZero = invocationKind != null && invocationKind != EventOccurrencesRange.ZERO
val maybeZero = invocationKind != EventOccurrencesRange.AT_LEAST_ONCE &&
invocationKind != EventOccurrencesRange.EXACTLY_ONCE &&
invocationKind != EventOccurrencesRange.MORE_THAN_ONCE
// Four cases we handle differently here:
// 1. function not called in-place: data and control flow skips the function,
// and any assignment inside the function invalidates smart casts
// 2. function never executed (EventOccurrencesRange.ZERO): same as above,
// but without smart cast invalidation
// 3. function executed at least once (or exactly once or more than once):
// control flow merged from postponedEnterNode and exitNode into postponedExitNode,
// data flow goes from exitNode to the union of arguments of the call
// 4. function executed an unknown number of times (maybe zero, maybe not):
// both control flow and data flow merged from postponedEnterNode and exitNode
// into postponedExitNode
if (maybeZero) {
val kind = if (postponedExitNode.isDead) EdgeKind.DeadForward else EdgeKind.CfgForward
CFGNode.addJustKindEdge(postponedEnterNode, postponedExitNode, kind, propagateDeadness = true)
}
if (invocationKind == EventOccurrencesRange.EXACTLY_ONCE && shouldPassFlowFromInplaceLambda.top()) {
exitsFromCompletedPostponedAnonymousFunctions.lastOrNull()?.add(postponedExitNode)
if (maybeNonZero) {
addEdge(exitNode, postponedExitNode, preferredKind = if (maybeZero) EdgeKind.Forward else EdgeKind.CfgForward)
if (!maybeZero && shouldPassFlowFromInplaceLambda.top()) {
exitsFromCompletedPostponedAnonymousFunctions.lastOrNull()?.add(postponedExitNode)
}
}
val containingGraph = parentGraphForAnonymousFunctions.remove(symbol) ?: currentGraph
containingGraph.addSubGraph(graph)
return if (lambdaIsPostponedFromCall) {
return if (lambdaIsPostponedFromCall && !(maybeNonZero && maybeZero)) {
Triple(exitNode, null, graph)
} else {
Triple(exitNode, postponedExitNode, graph)
+2 -3
View File
@@ -713,8 +713,7 @@ digraph kt44814_kt {
188 -> {189};
189 -> {190};
190 -> {191};
191 -> {239};
191 -> {192} [color=red];
191 -> {192 239};
191 -> {239} [style=dashed];
192 -> {193};
193 -> {194};
@@ -776,7 +775,7 @@ digraph kt44814_kt {
246 -> {247};
247 -> {248};
248 -> {249};
249 -> {192} [color=green];
249 -> {192};
249 -> {239} [color=green style=dashed];
subgraph cluster_68 {
@@ -10,7 +10,7 @@ fun case_1(arg: Int?) {
// TESTCASE NUMBER: 2
fun case_2(arg: Int?) {
funWithAtLeastOnceCallsInPlace { arg!! }
arg<!UNSAFE_CALL!>.<!>inc()
arg.inc()
}
// TESTCASE NUMBER: 3
@@ -24,5 +24,5 @@ fun case_3() {
fun case_4() {
val value_1: Boolean?
funWithAtLeastOnceCallsInPlace { <!VAL_REASSIGNMENT!>value_1<!> = true }
value_1<!UNSAFE_CALL!>.<!>not()
value_1.not()
}