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compiler: add support for the go keyword on interface methods

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This is a feature that was long missing, but because of the previous
refactor, it is now trivial to implement.
This commit is contained in:
Ayke van Laethem
2021-10-24 20:58:03 +02:00
committed by Ron Evans
parent a4afc3b4b0
commit 9e1b4de999
6 changed files with 115 additions and 4 deletions
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compiler/testdata/goroutine-cortex-m-qemu.ll
Vendored
+44
View File
@@ -9,6 +9,8 @@ target triple = "armv7m-unknown-unknown-eabi"
%"internal/task.state" = type { i32, i32* }
%runtime.chanSelectState = type { %runtime.channel*, i8* }
@"main.startInterfaceMethod$string" = internal unnamed_addr constant [4 x i8] c"test", align 1
declare noalias nonnull i8* @runtime.alloc(i32, i8*, i8*)
; Function Attrs: nounwind
@@ -158,8 +160,50 @@ entry:
declare void @runtime.chanClose(%runtime.channel* dereferenceable_or_null(32), i8*, i8*)
; Function Attrs: nounwind
define hidden void @main.startInterfaceMethod(i32 %itf.typecode, i8* %itf.value, i8* %context, i8* %parentHandle) unnamed_addr #0 {
entry:
%0 = call i8* @runtime.alloc(i32 16, i8* undef, i8* null) #0
%1 = bitcast i8* %0 to i8**
store i8* %itf.value, i8** %1, align 4
%2 = getelementptr inbounds i8, i8* %0, i32 4
%.repack = bitcast i8* %2 to i8**
store i8* getelementptr inbounds ([4 x i8], [4 x i8]* @"main.startInterfaceMethod$string", i32 0, i32 0), i8** %.repack, align 4
%.repack1 = getelementptr inbounds i8, i8* %0, i32 8
%3 = bitcast i8* %.repack1 to i32*
store i32 4, i32* %3, align 4
%4 = getelementptr inbounds i8, i8* %0, i32 12
%5 = bitcast i8* %4 to i32*
store i32 %itf.typecode, i32* %5, align 4
%stacksize = call i32 @"internal/task.getGoroutineStackSize"(i32 ptrtoint (void (i8*)* @"interface:{Print:func:{basic:string}{}}.Print$invoke$gowrapper" to i32), i8* undef, i8* undef) #0
call void @"internal/task.start"(i32 ptrtoint (void (i8*)* @"interface:{Print:func:{basic:string}{}}.Print$invoke$gowrapper" to i32), i8* nonnull %0, i32 %stacksize, i8* undef, i8* null) #0
ret void
}
declare void @"interface:{Print:func:{basic:string}{}}.Print$invoke"(i8*, i8*, i32, i32, i8*, i8*) #5
; Function Attrs: nounwind
define linkonce_odr void @"interface:{Print:func:{basic:string}{}}.Print$invoke$gowrapper"(i8* %0) unnamed_addr #6 {
entry:
%1 = bitcast i8* %0 to i8**
%2 = load i8*, i8** %1, align 4
%3 = getelementptr inbounds i8, i8* %0, i32 4
%4 = bitcast i8* %3 to i8**
%5 = load i8*, i8** %4, align 4
%6 = getelementptr inbounds i8, i8* %0, i32 8
%7 = bitcast i8* %6 to i32*
%8 = load i32, i32* %7, align 4
%9 = getelementptr inbounds i8, i8* %0, i32 12
%10 = bitcast i8* %9 to i32*
%11 = load i32, i32* %10, align 4
call void @"interface:{Print:func:{basic:string}{}}.Print$invoke"(i8* %2, i8* %5, i32 %8, i32 %11, i8* undef, i8* undef) #0
ret void
}
attributes #0 = { nounwind }
attributes #1 = { nounwind "tinygo-gowrapper"="main.regularFunction" }
attributes #2 = { nounwind "tinygo-gowrapper"="main.inlineFunctionGoroutine$1" }
attributes #3 = { nounwind "tinygo-gowrapper"="main.closureFunctionGoroutine$1" }
attributes #4 = { nounwind "tinygo-gowrapper" }
attributes #5 = { "tinygo-invoke"="reflect/methods.Print(string)" "tinygo-methods"="reflect/methods.Print(string)" }
attributes #6 = { nounwind "tinygo-gowrapper"="interface:{Print:func:{basic:string}{}}.Print$invoke" }
compiler/testdata/goroutine-wasm.ll
Vendored
+23
View File
@@ -14,6 +14,7 @@ target triple = "wasm32-unknown-wasi"
@"main.inlineFunctionGoroutine$pack" = private unnamed_addr constant { i32, i8* } { i32 5, i8* undef }
@"reflect/types.funcid:func:{basic:int}{}" = external constant i8
@"main.closureFunctionGoroutine$1$withSignature" = linkonce_odr constant %runtime.funcValueWithSignature { i32 ptrtoint (void (i32, i8*, i8*)* @"main.closureFunctionGoroutine$1" to i32), i8* @"reflect/types.funcid:func:{basic:int}{}" }
@"main.startInterfaceMethod$string" = internal unnamed_addr constant [4 x i8] c"test", align 1
declare noalias nonnull i8* @runtime.alloc(i32, i8*, i8*)
@@ -115,4 +116,26 @@ entry:
declare void @runtime.chanClose(%runtime.channel* dereferenceable_or_null(32), i8*, i8*)
; Function Attrs: nounwind
define hidden void @main.startInterfaceMethod(i32 %itf.typecode, i8* %itf.value, i8* %context, i8* %parentHandle) unnamed_addr #0 {
entry:
%0 = call i8* @runtime.alloc(i32 16, i8* undef, i8* null) #0
%1 = bitcast i8* %0 to i8**
store i8* %itf.value, i8** %1, align 4
%2 = getelementptr inbounds i8, i8* %0, i32 4
%.repack = bitcast i8* %2 to i8**
store i8* getelementptr inbounds ([4 x i8], [4 x i8]* @"main.startInterfaceMethod$string", i32 0, i32 0), i8** %.repack, align 4
%.repack1 = getelementptr inbounds i8, i8* %0, i32 8
%3 = bitcast i8* %.repack1 to i32*
store i32 4, i32* %3, align 4
%4 = getelementptr inbounds i8, i8* %0, i32 12
%5 = bitcast i8* %4 to i32*
store i32 %itf.typecode, i32* %5, align 4
call void @"internal/task.start"(i32 ptrtoint (void (i8*, i8*, i32, i32, i8*, i8*)* @"interface:{Print:func:{basic:string}{}}.Print$invoke" to i32), i8* nonnull %0, i32 undef, i8* undef, i8* null) #0
ret void
}
declare void @"interface:{Print:func:{basic:string}{}}.Print$invoke"(i8*, i8*, i32, i32, i8*, i8*) #1
attributes #0 = { nounwind }
attributes #1 = { "tinygo-invoke"="reflect/methods.Print(string)" "tinygo-methods"="reflect/methods.Print(string)" }
compiler/testdata/goroutine.go
Vendored
+8
View File
@@ -41,3 +41,11 @@ func closeBuiltinGoroutine(ch chan int) {
}
func regularFunction(x int)
type simpleInterface interface {
Print(string)
}
func startInterfaceMethod(itf simpleInterface) {
go itf.Print("test")
}