compiler: simplify interface lowering

This commit simplifies the IR a little bit: instead of calling
pseudo-functions runtime.interfaceImplements and
runtime.interfaceMethod, real declared functions are being called that
are then defined in the interface lowering pass. This should simplify
the interaction between various transformation passes. It also reduces
the number of lines of code, which is generally a good thing.
This commit is contained in:
Ayke van Laethem
2021-10-24 14:29:40 +02:00
committed by Ron Evans
parent 90076f9401
commit a4afc3b4b0
14 changed files with 355 additions and 397 deletions
+19 -15
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@@ -1,7 +1,7 @@
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
target triple = "armv7m-none-eabi"
%runtime.typecodeID = type { %runtime.typecodeID*, i32, %runtime.interfaceMethodInfo* }
%runtime.typecodeID = type { %runtime.typecodeID*, i32, %runtime.interfaceMethodInfo*, %runtime.typecodeID*, i32 }
%runtime.interfaceMethodInfo = type { i8*, i32 }
@"reflect/types.type:basic:uint8" = private constant %runtime.typecodeID zeroinitializer
@@ -9,15 +9,11 @@ target triple = "armv7m-none-eabi"
@"reflect/types.typeid:basic:int16" = external constant i8
@"reflect/types.type:basic:int" = private constant %runtime.typecodeID zeroinitializer
@"reflect/methods.NeverImplementedMethod()" = linkonce_odr constant i8 0
@"Unmatched$interface" = private constant [1 x i8*] [i8* @"reflect/methods.NeverImplementedMethod()"]
@"reflect/methods.Double() int" = linkonce_odr constant i8 0
@"Doubler$interface" = private constant [1 x i8*] [i8* @"reflect/methods.Double() int"]
@"Number$methodset" = private constant [1 x %runtime.interfaceMethodInfo] [%runtime.interfaceMethodInfo { i8* @"reflect/methods.Double() int", i32 ptrtoint (i32 (i8*, i8*)* @"(Number).Double$invoke" to i32) }]
@"reflect/types.type:named:Number" = private constant %runtime.typecodeID { %runtime.typecodeID* @"reflect/types.type:basic:int", i32 0, %runtime.interfaceMethodInfo* getelementptr inbounds ([1 x %runtime.interfaceMethodInfo], [1 x %runtime.interfaceMethodInfo]* @"Number$methodset", i32 0, i32 0) }
@"Number$methodset" = private constant [1 x %runtime.interfaceMethodInfo] [%runtime.interfaceMethodInfo { i8* @"reflect/methods.Double() int", i32 ptrtoint (i32 (i8*, i8*, i8*)* @"(Number).Double$invoke" to i32) }]
@"reflect/types.type:named:Number" = private constant %runtime.typecodeID { %runtime.typecodeID* @"reflect/types.type:basic:int", i32 0, %runtime.interfaceMethodInfo* getelementptr inbounds ([1 x %runtime.interfaceMethodInfo], [1 x %runtime.interfaceMethodInfo]* @"Number$methodset", i32 0, i32 0), %runtime.typecodeID* null, i32 0 }
declare i1 @runtime.interfaceImplements(i32, i8**)
declare i1 @runtime.typeAssert(i32, i8*)
declare i32 @runtime.interfaceMethod(i32, i8**, i8*)
declare void @runtime.printuint8(i8)
declare void @runtime.printint16(i16)
declare void @runtime.printint32(i32)
@@ -34,7 +30,7 @@ define void @printInterfaces() {
}
define void @printInterface(i32 %typecode, i8* %value) {
%isUnmatched = call i1 @runtime.interfaceImplements(i32 %typecode, i8** getelementptr inbounds ([1 x i8*], [1 x i8*]* @"Unmatched$interface", i32 0, i32 0))
%isUnmatched = call i1 @Unmatched$typeassert(i32 %typecode)
br i1 %isUnmatched, label %typeswitch.Unmatched, label %typeswitch.notUnmatched
typeswitch.Unmatched:
@@ -44,13 +40,11 @@ typeswitch.Unmatched:
ret void
typeswitch.notUnmatched:
%isDoubler = call i1 @runtime.interfaceImplements(i32 %typecode, i8** getelementptr inbounds ([1 x i8*], [1 x i8*]* @"Doubler$interface", i32 0, i32 0))
%isDoubler = call i1 @Doubler$typeassert(i32 %typecode)
br i1 %isDoubler, label %typeswitch.Doubler, label %typeswitch.notDoubler
typeswitch.Doubler:
%doubler.func = call i32 @runtime.interfaceMethod(i32 %typecode, i8** getelementptr inbounds ([1 x i8*], [1 x i8*]* @"Doubler$interface", i32 0, i32 0), i8* nonnull @"reflect/methods.Double() int")
%doubler.func.cast = inttoptr i32 %doubler.func to i32 (i8*, i8*)*
%doubler.result = call i32 %doubler.func.cast(i8* %value, i8* null)
%doubler.result = call i32 @"Doubler.Double$invoke"(i8* %value, i32 %typecode, i8* undef, i8* undef)
call void @runtime.printint32(i32 %doubler.result)
ret void
@@ -79,13 +73,23 @@ typeswitch.notInt16:
ret void
}
define i32 @"(Number).Double"(i32 %receiver, i8* %parentHandle) {
define i32 @"(Number).Double"(i32 %receiver, i8* %context, i8* %parentHandle) {
%ret = mul i32 %receiver, 2
ret i32 %ret
}
define i32 @"(Number).Double$invoke"(i8* %receiverPtr, i8* %parentHandle) {
define i32 @"(Number).Double$invoke"(i8* %receiverPtr, i8* %context, i8* %parentHandle) {
%receiver = ptrtoint i8* %receiverPtr to i32
%ret = call i32 @"(Number).Double"(i32 %receiver, i8* null)
%ret = call i32 @"(Number).Double"(i32 %receiver, i8* undef, i8* null)
ret i32 %ret
}
declare i32 @"Doubler.Double$invoke"(i8* %receiver, i32 %typecode, i8* %context, i8* %parentHandle) #0
declare i1 @Doubler$typeassert(i32 %typecode) #1
declare i1 @Unmatched$typeassert(i32 %typecode) #2
attributes #0 = { "tinygo-invoke"="reflect/methods.Double() int" "tinygo-methods"="reflect/methods.Double() int" }
attributes #1 = { "tinygo-methods"="reflect/methods.Double() int" }
attributes #2 = { "tinygo-methods"="reflect/methods.NeverImplementedMethod()" }
+22 -18
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@@ -1,12 +1,12 @@
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
target triple = "armv7m-none-eabi"
%runtime.typecodeID = type { %runtime.typecodeID*, i32, %runtime.interfaceMethodInfo* }
%runtime.typecodeID = type { %runtime.typecodeID*, i32, %runtime.interfaceMethodInfo*, %runtime.typecodeID*, i32 }
%runtime.interfaceMethodInfo = type { i8*, i32 }
@"reflect/types.type:basic:uint8" = private constant %runtime.typecodeID zeroinitializer
@"reflect/types.type:basic:int" = private constant %runtime.typecodeID zeroinitializer
@"reflect/types.type:named:Number" = private constant %runtime.typecodeID { %runtime.typecodeID* @"reflect/types.type:basic:int", i32 0, %runtime.interfaceMethodInfo* null }
@"reflect/types.type:named:Number" = private constant %runtime.typecodeID { %runtime.typecodeID* @"reflect/types.type:basic:int", i32 0, %runtime.interfaceMethodInfo* null, %runtime.typecodeID* null, i32 0 }
declare void @runtime.printuint8(i8)
@@ -28,8 +28,8 @@ define void @printInterfaces() {
}
define void @printInterface(i32 %typecode, i8* %value) {
%typeassert.ok1 = call i1 @"Unmatched$typeassert"(i32 %typecode)
br i1 %typeassert.ok1, label %typeswitch.Unmatched, label %typeswitch.notUnmatched
%isUnmatched = call i1 @"Unmatched$typeassert"(i32 %typecode)
br i1 %isUnmatched, label %typeswitch.Unmatched, label %typeswitch.notUnmatched
typeswitch.Unmatched: ; preds = %0
%unmatched = ptrtoint i8* %value to i32
@@ -38,17 +38,17 @@ typeswitch.Unmatched: ; preds = %0
ret void
typeswitch.notUnmatched: ; preds = %0
%typeassert.ok = call i1 @"Doubler$typeassert"(i32 %typecode)
br i1 %typeassert.ok, label %typeswitch.Doubler, label %typeswitch.notDoubler
%isDoubler = call i1 @"Doubler$typeassert"(i32 %typecode)
br i1 %isDoubler, label %typeswitch.Doubler, label %typeswitch.notDoubler
typeswitch.Doubler: ; preds = %typeswitch.notUnmatched
%1 = call i32 @"(Doubler).Double"(i8* %value, i8* null, i32 %typecode, i8* null)
call void @runtime.printint32(i32 %1)
%doubler.result = call i32 @"Doubler.Double$invoke"(i8* %value, i32 %typecode, i8* undef, i8* undef)
call void @runtime.printint32(i32 %doubler.result)
ret void
typeswitch.notDoubler: ; preds = %typeswitch.notUnmatched
%typeassert.ok2 = icmp eq i32 ptrtoint (%runtime.typecodeID* @"reflect/types.type:basic:uint8" to i32), %typecode
br i1 %typeassert.ok2, label %typeswitch.byte, label %typeswitch.notByte
%typeassert.ok = icmp eq i32 ptrtoint (%runtime.typecodeID* @"reflect/types.type:basic:uint8" to i32), %typecode
br i1 %typeassert.ok, label %typeswitch.byte, label %typeswitch.notByte
typeswitch.byte: ; preds = %typeswitch.notDoubler
%byte = ptrtoint i8* %value to i8
@@ -69,32 +69,32 @@ typeswitch.notInt16: ; preds = %typeswitch.notByte
ret void
}
define i32 @"(Number).Double"(i32 %receiver, i8* %parentHandle) {
define i32 @"(Number).Double"(i32 %receiver, i8* %context, i8* %parentHandle) {
%ret = mul i32 %receiver, 2
ret i32 %ret
}
define i32 @"(Number).Double$invoke"(i8* %receiverPtr, i8* %parentHandle) {
define i32 @"(Number).Double$invoke"(i8* %receiverPtr, i8* %context, i8* %parentHandle) {
%receiver = ptrtoint i8* %receiverPtr to i32
%ret = call i32 @"(Number).Double"(i32 %receiver, i8* null)
%ret = call i32 @"(Number).Double"(i32 %receiver, i8* undef, i8* null)
ret i32 %ret
}
define internal i32 @"(Doubler).Double"(i8* %0, i8* %1, i32 %actualType, i8* %parentHandle) unnamed_addr {
define internal i32 @"Doubler.Double$invoke"(i8* %receiver, i32 %actualType, i8* %context, i8* %parentHandle) unnamed_addr #0 {
entry:
%"named:Number.icmp" = icmp eq i32 %actualType, ptrtoint (%runtime.typecodeID* @"reflect/types.type:named:Number" to i32)
br i1 %"named:Number.icmp", label %"named:Number", label %"named:Number.next"
"named:Number": ; preds = %entry
%2 = call i32 @"(Number).Double$invoke"(i8* %0, i8* %1)
ret i32 %2
%0 = call i32 @"(Number).Double$invoke"(i8* %receiver, i8* undef, i8* undef)
ret i32 %0
"named:Number.next": ; preds = %entry
call void @runtime.nilPanic(i8* undef, i8* undef)
unreachable
}
define internal i1 @"Doubler$typeassert"(i32 %actualType) unnamed_addr {
define internal i1 @"Doubler$typeassert"(i32 %actualType) unnamed_addr #1 {
entry:
%"named:Number.icmp" = icmp eq i32 %actualType, ptrtoint (%runtime.typecodeID* @"reflect/types.type:named:Number" to i32)
br i1 %"named:Number.icmp", label %then, label %"named:Number.next"
@@ -106,10 +106,14 @@ then: ; preds = %entry
ret i1 false
}
define internal i1 @"Unmatched$typeassert"(i32 %actualType) unnamed_addr {
define internal i1 @"Unmatched$typeassert"(i32 %actualType) unnamed_addr #2 {
entry:
ret i1 false
then: ; No predecessors!
ret i1 true
}
attributes #0 = { "tinygo-invoke"="reflect/methods.Double() int" "tinygo-methods"="reflect/methods.Double() int" }
attributes #1 = { "tinygo-methods"="reflect/methods.Double() int" }
attributes #2 = { "tinygo-methods"="reflect/methods.NeverImplementedMethod()" }
+12 -14
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@@ -1,24 +1,20 @@
target datalayout = "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-f64:32:64-f80:32-n8:16:32-S128"
target triple = "i686--linux"
%runtime.typecodeID = type { %runtime.typecodeID*, i32, %runtime.interfaceMethodInfo* }
%runtime.typecodeID = type { %runtime.typecodeID*, i32, %runtime.interfaceMethodInfo*, %runtime.typecodeID*, i32 }
%runtime.interfaceMethodInfo = type { i8*, i32 }
@"reflect/types.type:named:error" = linkonce_odr constant %runtime.typecodeID { %runtime.typecodeID* @"reflect/types.type:interface:{Error:func:{}{basic:string}}", i32 0, %runtime.interfaceMethodInfo* null }
@"reflect/types.type:interface:{Error:func:{}{basic:string}}" = linkonce_odr constant %runtime.typecodeID { %runtime.typecodeID* bitcast ([1 x i8*]* @"reflect/types.interface:interface{Error() string}$interface" to %runtime.typecodeID*), i32 0, %runtime.interfaceMethodInfo* null }
@"reflect/types.type:named:error" = linkonce_odr constant %runtime.typecodeID { %runtime.typecodeID* @"reflect/types.type:interface:{Error:func:{}{basic:string}}", i32 0, %runtime.interfaceMethodInfo* null, %runtime.typecodeID* null, i32 ptrtoint (i1 (i32)* @"error.$typeassert" to i32) }
@"reflect/types.type:interface:{Error:func:{}{basic:string}}" = linkonce_odr constant %runtime.typecodeID { %runtime.typecodeID* bitcast ([1 x i8*]* @"reflect/types.interface:interface{Error() string}$interface" to %runtime.typecodeID*), i32 0, %runtime.interfaceMethodInfo* null, %runtime.typecodeID* null, i32 ptrtoint (i1 (i32)* @"error.$typeassert" to i32) }
@"reflect/methods.Error() string" = linkonce_odr constant i8 0
@"reflect/types.interface:interface{Error() string}$interface" = linkonce_odr constant [1 x i8*] [i8* @"reflect/methods.Error() string"]
@"reflect/methods.Align() int" = linkonce_odr constant i8 0
@"reflect/methods.Implements(reflect.Type) bool" = linkonce_odr constant i8 0
@"reflect.Type$interface" = linkonce_odr constant [2 x i8*] [i8* @"reflect/methods.Align() int", i8* @"reflect/methods.Implements(reflect.Type) bool"]
@"reflect/types.type:named:reflect.rawType" = linkonce_odr constant %runtime.typecodeID { %runtime.typecodeID* @"reflect/types.type:basic:uintptr", i32 0, %runtime.interfaceMethodInfo* getelementptr inbounds ([20 x %runtime.interfaceMethodInfo], [20 x %runtime.interfaceMethodInfo]* @"reflect.rawType$methodset", i32 0, i32 0) }
@"reflect/types.type:named:reflect.rawType" = linkonce_odr constant %runtime.typecodeID { %runtime.typecodeID* @"reflect/types.type:basic:uintptr", i32 0, %runtime.interfaceMethodInfo* getelementptr inbounds ([20 x %runtime.interfaceMethodInfo], [20 x %runtime.interfaceMethodInfo]* @"reflect.rawType$methodset", i32 0, i32 0), %runtime.typecodeID* null, i32 0 }
@"reflect.rawType$methodset" = linkonce_odr constant [20 x %runtime.interfaceMethodInfo] zeroinitializer
@"reflect/types.type:basic:uintptr" = linkonce_odr constant %runtime.typecodeID zeroinitializer
declare i1 @runtime.interfaceImplements(i32, i8**, i8*, i8*)
declare i32 @runtime.interfaceMethod(i32, i8**, i8*, i8*, i8*)
; var errorType = reflect.TypeOf((*error)(nil)).Elem()
; func isError(typ reflect.Type) bool {
; return typ.Implements(errorType)
@@ -28,9 +24,7 @@ declare i32 @runtime.interfaceMethod(i32, i8**, i8*, i8*, i8*)
; known at compile time (after the interp pass has run).
define i1 @main.isError(i32 %typ.typecode, i8* %typ.value, i8* %context, i8* %parentHandle) {
entry:
%invoke.func = call i32 @runtime.interfaceMethod(i32 %typ.typecode, i8** getelementptr inbounds ([2 x i8*], [2 x i8*]* @"reflect.Type$interface", i32 0, i32 0), i8* nonnull @"reflect/methods.Implements(reflect.Type) bool", i8* undef, i8* null)
%invoke.func.cast = inttoptr i32 %invoke.func to i1 (i8*, i32, i8*, i8*, i8*)*
%result = call i1 %invoke.func.cast(i8* %typ.value, i32 ptrtoint (%runtime.typecodeID* @"reflect/types.type:named:reflect.rawType" to i32), i8* bitcast (%runtime.typecodeID* @"reflect/types.type:named:error" to i8*), i8* undef, i8* undef)
%result = call i1 @"reflect.Type.Implements$invoke"(i8* %typ.value, i32 ptrtoint (%runtime.typecodeID* @"reflect/types.type:named:reflect.rawType" to i32), i8* bitcast (%runtime.typecodeID* @"reflect/types.type:named:error" to i8*), i32 %typ.typecode, i8* undef, i8* undef)
ret i1 %result
}
@@ -41,8 +35,12 @@ entry:
; }
define i1 @main.isUnknown(i32 %typ.typecode, i8* %typ.value, i32 %itf.typecode, i8* %itf.value, i8* %context, i8* %parentHandle) {
entry:
%invoke.func = call i32 @runtime.interfaceMethod(i32 %typ.typecode, i8** getelementptr inbounds ([2 x i8*], [2 x i8*]* @"reflect.Type$interface", i32 0, i32 0), i8* nonnull @"reflect/methods.Implements(reflect.Type) bool", i8* undef, i8* null)
%invoke.func.cast = inttoptr i32 %invoke.func to i1 (i8*, i32, i8*, i8*, i8*)*
%result = call i1 %invoke.func.cast(i8* %typ.value, i32 %itf.typecode, i8* %itf.value, i8* undef, i8* undef)
%result = call i1 @"reflect.Type.Implements$invoke"(i8* %typ.value, i32 %itf.typecode, i8* %itf.value, i32 %typ.typecode, i8* undef, i8* undef)
ret i1 %result
}
declare i1 @"reflect.Type.Implements$invoke"(i8*, i32, i8*, i32, i8*, i8*) #0
declare i1 @"error.$typeassert"(i32) #1
attributes #0 = { "tinygo-invoke"="reflect/methods.Implements(reflect.Type) bool" "tinygo-methods"="reflect/methods.Align() int; reflect/methods.Implements(reflect.Type) bool" }
attributes #1 = { "tinygo-methods"="reflect/methods.Error() string" }
+13 -12
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@@ -1,35 +1,36 @@
target datalayout = "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-f64:32:64-f80:32-n8:16:32-S128"
target triple = "i686--linux"
%runtime.typecodeID = type { %runtime.typecodeID*, i32, %runtime.interfaceMethodInfo* }
%runtime.typecodeID = type { %runtime.typecodeID*, i32, %runtime.interfaceMethodInfo*, %runtime.typecodeID*, i32 }
%runtime.interfaceMethodInfo = type { i8*, i32 }
@"reflect/types.type:named:error" = linkonce_odr constant %runtime.typecodeID { %runtime.typecodeID* @"reflect/types.type:interface:{Error:func:{}{basic:string}}", i32 0, %runtime.interfaceMethodInfo* null }
@"reflect/types.type:interface:{Error:func:{}{basic:string}}" = linkonce_odr constant %runtime.typecodeID { %runtime.typecodeID* bitcast ([1 x i8*]* @"reflect/types.interface:interface{Error() string}$interface" to %runtime.typecodeID*), i32 0, %runtime.interfaceMethodInfo* null }
@"reflect/types.type:named:error" = linkonce_odr constant %runtime.typecodeID { %runtime.typecodeID* @"reflect/types.type:interface:{Error:func:{}{basic:string}}", i32 0, %runtime.interfaceMethodInfo* null, %runtime.typecodeID* null, i32 ptrtoint (i1 (i32)* @"error.$typeassert" to i32) }
@"reflect/types.type:interface:{Error:func:{}{basic:string}}" = linkonce_odr constant %runtime.typecodeID { %runtime.typecodeID* bitcast ([1 x i8*]* @"reflect/types.interface:interface{Error() string}$interface" to %runtime.typecodeID*), i32 0, %runtime.interfaceMethodInfo* null, %runtime.typecodeID* null, i32 ptrtoint (i1 (i32)* @"error.$typeassert" to i32) }
@"reflect/methods.Error() string" = linkonce_odr constant i8 0
@"reflect/types.interface:interface{Error() string}$interface" = linkonce_odr constant [1 x i8*] [i8* @"reflect/methods.Error() string"]
@"reflect/methods.Align() int" = linkonce_odr constant i8 0
@"reflect/methods.Implements(reflect.Type) bool" = linkonce_odr constant i8 0
@"reflect.Type$interface" = linkonce_odr constant [2 x i8*] [i8* @"reflect/methods.Align() int", i8* @"reflect/methods.Implements(reflect.Type) bool"]
@"reflect/types.type:named:reflect.rawType" = linkonce_odr constant %runtime.typecodeID { %runtime.typecodeID* @"reflect/types.type:basic:uintptr", i32 0, %runtime.interfaceMethodInfo* getelementptr inbounds ([20 x %runtime.interfaceMethodInfo], [20 x %runtime.interfaceMethodInfo]* @"reflect.rawType$methodset", i32 0, i32 0) }
@"reflect/types.type:named:reflect.rawType" = linkonce_odr constant %runtime.typecodeID { %runtime.typecodeID* @"reflect/types.type:basic:uintptr", i32 0, %runtime.interfaceMethodInfo* getelementptr inbounds ([20 x %runtime.interfaceMethodInfo], [20 x %runtime.interfaceMethodInfo]* @"reflect.rawType$methodset", i32 0, i32 0), %runtime.typecodeID* null, i32 0 }
@"reflect.rawType$methodset" = linkonce_odr constant [20 x %runtime.interfaceMethodInfo] zeroinitializer
@"reflect/types.type:basic:uintptr" = linkonce_odr constant %runtime.typecodeID zeroinitializer
declare i1 @runtime.interfaceImplements(i32, i8**, i8*, i8*)
declare i32 @runtime.interfaceMethod(i32, i8**, i8*, i8*, i8*)
define i1 @main.isError(i32 %typ.typecode, i8* %typ.value, i8* %context, i8* %parentHandle) {
entry:
%0 = ptrtoint i8* %typ.value to i32
%1 = call i1 @runtime.interfaceImplements(i32 %0, i8** getelementptr inbounds ([1 x i8*], [1 x i8*]* @"reflect/types.interface:interface{Error() string}$interface", i32 0, i32 0), i8* undef, i8* undef)
%1 = call i1 @"error.$typeassert"(i32 %0)
ret i1 %1
}
define i1 @main.isUnknown(i32 %typ.typecode, i8* %typ.value, i32 %itf.typecode, i8* %itf.value, i8* %context, i8* %parentHandle) {
entry:
%invoke.func = call i32 @runtime.interfaceMethod(i32 %typ.typecode, i8** getelementptr inbounds ([2 x i8*], [2 x i8*]* @"reflect.Type$interface", i32 0, i32 0), i8* nonnull @"reflect/methods.Implements(reflect.Type) bool", i8* undef, i8* null)
%invoke.func.cast = inttoptr i32 %invoke.func to i1 (i8*, i32, i8*, i8*, i8*)*
%result = call i1 %invoke.func.cast(i8* %typ.value, i32 %itf.typecode, i8* %itf.value, i8* undef, i8* undef)
%result = call i1 @"reflect.Type.Implements$invoke"(i8* %typ.value, i32 %itf.typecode, i8* %itf.value, i32 %typ.typecode, i8* undef, i8* undef)
ret i1 %result
}
declare i1 @"reflect.Type.Implements$invoke"(i8*, i32, i8*, i32, i8*, i8*) #0
declare i1 @"error.$typeassert"(i32) #1
attributes #0 = { "tinygo-invoke"="reflect/methods.Implements(reflect.Type) bool" "tinygo-methods"="reflect/methods.Align() int; reflect/methods.Implements(reflect.Type) bool" }
attributes #1 = { "tinygo-methods"="reflect/methods.Error() string" }