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JVM_IR: fold constant string concatenations

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This commit is contained in:
pyos
2019-04-15 14:25:35 +02:00
committed by max-kammerer
parent 1bc4a2eff9
commit 5b595b58b2
12 changed files with 81 additions and 8 deletions
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5
compiler/testData/codegen/bytecodeText/stringOperations/constConcat.kt vendored Normal file
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@@ -0,0 +1,5 @@
val s = "1" + "2" + 3 + 4L + 5.0 + 6F + '7'
val c = "${"1"}2${3}${4L}${5.0}${6F}${'7'}"
// 0 NEW java/lang/StringBuilder
// 2 LDC "12345.06.07"

12
compiler/testData/codegen/bytecodeText/stringOperations/constValConcat.kt vendored Normal file
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@@ -0,0 +1,12 @@
const val string = "2"
const val int = 3
const val long = 4L
const val double = 5.0
const val float = 6F
const val char = '7'
val s = "1" + string + int + long + double + float + char
val c = "1$string$int$long$double$float$char"
// 0 NEW java/lang/StringBuilder
// 2 LDC "12345.06.07"

1
compiler/testData/codegen/bytecodeText/stringOperations/kt19037.kt vendored
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@@ -1,4 +1,3 @@
// IGNORE_BACKEND: JVM_IR
const val empty = ""
val test1 = ""

9
compiler/testData/codegen/bytecodeText/stringOperations/partiallyConstConcat.kt vendored Normal file
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@@ -0,0 +1,9 @@
// IGNORE_BACKEND: JVM
fun foo(a: String, b: String) {
val s = a + "1" + "2" + 3 + 4L + b + 5.0 + 6F + '7'
val c = "$a${"1"}2${3}${4L}$b${5.0}${6F}${'7'}"
}
// 2 NEW java/lang/StringBuilder
// 2 LDC "1234"
// 2 LDC "5.06.07"