Konstantin Anisimov
4d24d735de
for code
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fun main(args : Array<String>) {
val cond = 1
if (cond == 2) throw RuntimeException()
if (cond == 3) throw NoSuchElementException("no such element")
if (cond == 4) throw Error("error happens")
println("Done")
}
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translator generates following: code
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; ModuleID = 'backend.native/tests/runtime/basic/throw0.kt.bc'
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.12.0"
...
define void @"kfun:main(Array<String>)"(i8*) {
entry:
%args = alloca i8*
store i8* %0, i8** %args
%cond = alloca i32
store i32 1, i32* %cond
%tmp_1 = load i32, i32* %cond
%tmp_0 = icmp eq i32 %tmp_1, 2
br i1 %tmp_0, label %label_1, label %label_0
label_0: ; preds = %label_1, %entry
%tmp_7 = load i32, i32* %cond
%tmp_6 = icmp eq i32 %tmp_7, 3
br i1 %tmp_6, label %label_3, label %label_2
label_1: ; preds = %entry
%tmp_4 = call i8* @AllocInstance(%struct.TypeInfo* @"ktype:kotlin.RuntimeException", i32 1)
%tmp_41 = call i8* @"kfun:kotlin.RuntimeException.<init>()"(i8* %tmp_4)
%tmp_5 = bitcast i8* %tmp_41 to %struct.ObjHeader*
call void @ThrowException(%struct.ObjHeader* %tmp_5) ; <------- throwing RuntimeException
br label %label_0
label_2: ; preds = %label_3, %label_0
%tmp_14 = load i32, i32* %cond
%tmp_13 = icmp eq i32 %tmp_14, 4
br i1 %tmp_13, label %label_5, label %label_4
label_3: ; preds = %label_0
%tmp_10 = call i8* @AllocInstance(%struct.TypeInfo* @"ktype:kotlin.NoSuchElementException", i32 1)
%tmp_102 = call i8* @"kfun:kotlin.NoSuchElementException.<init>(String)"(i8* %tmp_10, i8* @"kstr:2E869yDM+y/5vqQYAKDPRI+j44w=")
%tmp_12 = bitcast i8* %tmp_102 to %struct.ObjHeader*
call void @ThrowException(%struct.ObjHeader* %tmp_12)
br label %label_2
label_4: ; preds = %label_5, %label_2
call void @Kotlin_io_Console_println(i8* @"kstr:6bRQ0UvCNj0pLITxfPrVz71YpFg=")
ret void
label_5: ; preds = %label_2
%tmp_17 = call i8* @AllocInstance(%struct.TypeInfo* @"ktype:kotlin.Error", i32 1)
%tmp_173 = call i8* @"kfun:kotlin.Error.<init>(String)"(i8* %tmp_17, i8* @"kstr:7YdnBMJy09naL/RsuOEV6Im2kOg=")
%tmp_19 = bitcast i8* %tmp_173 to %struct.ObjHeader*
call void @ThrowException(%struct.ObjHeader* %tmp_19)
br label %label_4
}
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Kotlin-native backend
Build
Download dependencies:
gradle :dependencies:update
To run native translator just use:
gradle :backend.native:run
And it will run simple example (currently prints out IR of test file). For more tests, use:
gradle :backend.native:tests:run