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[FIR2IR] Don't replace while loop and when branch body blocks with single expression. Skip some empty blocks.

Browse Source 
https://youtrack.jetbrains.com/issue/KT-60264/K2-while-loop-body-block-sometimes-replaced-with-single-expression

Merge-request: KT-MR-12035
Merged-by: Vladimir Sukharev <Vladimir.Sukharev@jetbrains.com>
This commit is contained in:
Vladimir Sukharev
2023-09-18 15:27:19 +00:00
committed by Space Team
parent f4df4f8007
commit 9a2eff6487
61 changed files with 601 additions and 1102 deletions
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compiler/testData/ir/irText/expressions/whenUnusedExpression.fir.ir.txt
Vendored
+13 -12
View File
@@ -7,18 +7,19 @@ FILE fqName:<root> fileName:/whenUnusedExpression.kt
WHEN type=kotlin.Int? origin=IF
BRANCH
if: GET_VAR 'b: kotlin.Boolean declared in <root>.test' type=kotlin.Boolean origin=null
then: BLOCK type=kotlin.Int? origin=WHEN
VAR IR_TEMPORARY_VARIABLE name:tmp_0 type:kotlin.Int [val]
GET_VAR 'i: kotlin.Int declared in <root>.test' type=kotlin.Int origin=null
WHEN type=kotlin.Int? origin=WHEN
BRANCH
if: CALL 'public final fun EQEQ (arg0: kotlin.Any?, arg1: kotlin.Any?): kotlin.Boolean declared in kotlin.internal.ir' type=kotlin.Boolean origin=EQEQ
arg0: GET_VAR 'val tmp_0: kotlin.Int declared in <root>.test' type=kotlin.Int origin=null
arg1: CONST Int type=kotlin.Int value=0
then: CONST Int type=kotlin.Int value=1
BRANCH
if: CONST Boolean type=kotlin.Boolean value=true
then: CONST Null type=kotlin.Nothing? value=null
then: BLOCK type=kotlin.Int? origin=null
BLOCK type=kotlin.Int? origin=WHEN
VAR IR_TEMPORARY_VARIABLE name:tmp_0 type:kotlin.Int [val]
GET_VAR 'i: kotlin.Int declared in <root>.test' type=kotlin.Int origin=null
WHEN type=kotlin.Int? origin=WHEN
BRANCH
if: CALL 'public final fun EQEQ (arg0: kotlin.Any?, arg1: kotlin.Any?): kotlin.Boolean declared in kotlin.internal.ir' type=kotlin.Boolean origin=EQEQ
arg0: GET_VAR 'val tmp_0: kotlin.Int declared in <root>.test' type=kotlin.Int origin=null
arg1: CONST Int type=kotlin.Int value=0
then: CONST Int type=kotlin.Int value=1
BRANCH
if: CONST Boolean type=kotlin.Boolean value=true
then: CONST Null type=kotlin.Nothing? value=null
BRANCH
if: CONST Boolean type=kotlin.Boolean value=true
then: CONST Null type=kotlin.Nothing? value=null