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compiler: refactor named types to create them lazily

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This commit refactors named types to be created lazily. Instead of
defining all types in advance, do it only when necessary.
This commit is contained in:
Ayke van Laethem
2019-06-07 21:04:56 +02:00
committed by Ron Evans
parent 88bb61f287
commit 6b5b4a681d
9 changed files with 51 additions and 63 deletions
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compiler/interface.go
+5 -5
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@@ -28,14 +28,14 @@ func (c *Compiler) parseMakeInterface(val llvm.Value, typ types.Type, pos token.
itfMethodSetGlobal := c.getTypeMethodSet(typ)
itfConcreteTypeGlobal := c.mod.NamedGlobal("typeInInterface:" + itfTypeCodeGlobal.Name())
if itfConcreteTypeGlobal.IsNil() {
typeInInterface := c.mod.GetTypeByName("runtime.typeInInterface")
typeInInterface := c.getLLVMRuntimeType("typeInInterface")
itfConcreteTypeGlobal = llvm.AddGlobal(c.mod, typeInInterface, "typeInInterface:"+itfTypeCodeGlobal.Name())
itfConcreteTypeGlobal.SetInitializer(llvm.ConstNamedStruct(typeInInterface, []llvm.Value{itfTypeCodeGlobal, itfMethodSetGlobal}))
itfConcreteTypeGlobal.SetGlobalConstant(true)
itfConcreteTypeGlobal.SetLinkage(llvm.PrivateLinkage)
}
itfTypeCode := c.builder.CreatePtrToInt(itfConcreteTypeGlobal, c.uintptrType, "")
itf := llvm.Undef(c.mod.GetTypeByName("runtime._interface"))
itf := llvm.Undef(c.getLLVMRuntimeType("_interface"))
itf = c.builder.CreateInsertValue(itf, itfTypeCode, 0, "")
itf = c.builder.CreateInsertValue(itf, itfValue, 1, "")
return itf
@@ -48,7 +48,7 @@ func (c *Compiler) getTypeCode(typ types.Type) llvm.Value {
globalName := "type:" + getTypeCodeName(typ)
global := c.mod.NamedGlobal(globalName)
if global.IsNil() {
global = llvm.AddGlobal(c.mod, c.mod.GetTypeByName("runtime.typecodeID"), globalName)
global = llvm.AddGlobal(c.mod, c.getLLVMRuntimeType("typecodeID"), globalName)
global.SetGlobalConstant(true)
}
return global
@@ -163,11 +163,11 @@ func (c *Compiler) getTypeMethodSet(typ types.Type) llvm.Value {
ms := c.ir.Program.MethodSets.MethodSet(typ)
if ms.Len() == 0 {
// no methods, so can leave that one out
return llvm.ConstPointerNull(llvm.PointerType(c.mod.GetTypeByName("runtime.interfaceMethodInfo"), 0))
return llvm.ConstPointerNull(llvm.PointerType(c.getLLVMRuntimeType("interfaceMethodInfo"), 0))
}
methods := make([]llvm.Value, ms.Len())
interfaceMethodInfoType := c.mod.GetTypeByName("runtime.interfaceMethodInfo")
interfaceMethodInfoType := c.getLLVMRuntimeType("interfaceMethodInfo")
for i := 0; i < ms.Len(); i++ {
method := ms.At(i)
signatureGlobal := c.getMethodSignature(method.Obj().(*types.Func))