func (d subrangeDescriptor) mdNode(info *DebugInfo) llvm.Value {
return llvm.MDNode([]llvm.Value{
llvm.ConstInt(llvm.Int32Type(), uint64(d.Tag())+llvm.LLVMDebugVersion, false),
llvm.ConstInt(llvm.Int64Type(), uint64(d.low), true),
llvm.ConstInt(llvm.Int64Type(), uint64(d.high), true),
})
}
func (v ConstValue) LLVMValue() llvm.Value {
typ := types.Underlying(v.Type())
switch typ {
case types.Int, types.Uint:
return llvm.ConstInt(llvm.Int32Type(), uint64(v.Int64()), true)
// TODO 32/64bit (probably wait for gc)
//int_val := v.Val.(*big.Int)
//if int_val.Cmp(maxBigInt32) > 0 || int_val.Cmp(minBigInt32) < 0 {
// panic(fmt.Sprint("const ", int_val, " overflows int"))
//}
//return llvm.ConstInt(v.compiler.target.IntPtrType(), uint64(v.Int64()), true)
case types.Uint:
return llvm.ConstInt(llvm.Int32Type(), uint64(v.Int64()), false)
case types.Int8:
return llvm.ConstInt(llvm.Int8Type(), uint64(v.Int64()), true)
case types.Uint8, types.Byte:
return llvm.ConstInt(llvm.Int8Type(), uint64(v.Int64()), false)
case types.Int16:
return llvm.ConstInt(llvm.Int16Type(), uint64(v.Int64()), true)
case types.Uint16:
return llvm.ConstInt(llvm.Int16Type(), uint64(v.Int64()), false)
case types.Int32, types.Rune:
return llvm.ConstInt(llvm.Int32Type(), uint64(v.Int64()), true)
case types.Uint32:
return llvm.ConstInt(llvm.Int32Type(), uint64(v.Int64()), false)
case types.Int64:
return llvm.ConstInt(llvm.Int64Type(), uint64(v.Int64()), true)
case types.Uint64:
return llvm.ConstInt(llvm.Int64Type(), uint64(v.Int64()), true)
case types.Float32:
return llvm.ConstFloat(llvm.FloatType(), float64(v.Float64()))
case types.Float64:
return llvm.ConstFloat(llvm.DoubleType(), float64(v.Float64()))
case types.UnsafePointer, types.Uintptr:
inttype := v.compiler.target.IntPtrType()
return llvm.ConstInt(inttype, uint64(v.Int64()), false)
case types.String:
strval := (v.Val).(string)
ptr := v.compiler.builder.CreateGlobalStringPtr(strval, "")
len_ := llvm.ConstInt(llvm.Int32Type(), uint64(len(strval)), false)
return llvm.ConstStruct([]llvm.Value{ptr, len_}, false)
case types.Bool:
if v := v.Val.(bool); v {
return llvm.ConstAllOnes(llvm.Int1Type())
}
return llvm.ConstNull(llvm.Int1Type())
}
panic(fmt.Errorf("Unhandled type: %v", typ)) //v.typ.Kind))
}
func (d *DerivedTypeDescriptor) mdNode(info *DebugInfo) llvm.Value {
return llvm.MDNode([]llvm.Value{
llvm.ConstInt(llvm.Int32Type(), llvm.LLVMDebugVersion+uint64(d.Tag()), false),
FileDescriptor(d.File).path(),
info.MDNode(d.Context),
llvm.MDString(d.Name),
llvm.ConstInt(llvm.Int32Type(), uint64(d.Line), false),
llvm.ConstInt(llvm.Int64Type(), d.Size, false),
llvm.ConstInt(llvm.Int64Type(), d.Alignment, false),
llvm.ConstInt(llvm.Int64Type(), d.Offset, false),
llvm.ConstInt(llvm.Int32Type(), uint64(d.Flags), false),
info.MDNode(d.Base)})
}
func (tm *TypeMap) basicLLVMType(b *types.Basic) llvm.Type {
switch b.Kind {
case types.BoolKind:
return llvm.Int1Type()
case types.Int8Kind, types.Uint8Kind:
return llvm.Int8Type()
case types.Int16Kind, types.Uint16Kind:
return llvm.Int16Type()
case types.Int32Kind, types.Uint32Kind:
return llvm.Int32Type()
case types.Int64Kind, types.Uint64Kind:
return llvm.Int64Type()
case types.Float32Kind:
return llvm.FloatType()
case types.Float64Kind:
return llvm.DoubleType()
case types.UnsafePointerKind, types.UintptrKind,
types.UintKind, types.IntKind:
return tm.target.IntPtrType()
//case Complex64: TODO
//case Complex128:
//case UntypedInt:
//case UntypedFloat:
//case UntypedComplex:
case types.StringKind:
i8ptr := llvm.PointerType(llvm.Int8Type(), 0)
elements := []llvm.Type{i8ptr, llvm.Int32Type()}
return llvm.StructType(elements, false)
}
panic(fmt.Sprint("unhandled kind: ", b.Kind))
}
func (tm *llvmTypeMap) basicLLVMType(b *types.Basic) llvm.Type {
switch b.Kind() {
case types.Bool:
return llvm.Int1Type()
case types.Int8, types.Uint8:
return llvm.Int8Type()
case types.Int16, types.Uint16:
return llvm.Int16Type()
case types.Int32, types.Uint32:
return llvm.Int32Type()
case types.Uint, types.Int:
return tm.inttype
case types.Int64, types.Uint64:
return llvm.Int64Type()
case types.Float32:
return llvm.FloatType()
case types.Float64:
return llvm.DoubleType()
case types.UnsafePointer, types.Uintptr:
return tm.target.IntPtrType()
case types.Complex64:
f32 := llvm.FloatType()
elements := []llvm.Type{f32, f32}
return llvm.StructType(elements, false)
case types.Complex128:
f64 := llvm.DoubleType()
elements := []llvm.Type{f64, f64}
return llvm.StructType(elements, false)
case types.String:
i8ptr := llvm.PointerType(llvm.Int8Type(), 0)
elements := []llvm.Type{i8ptr, tm.inttype}
return llvm.StructType(elements, false)
}
panic(fmt.Sprint("unhandled kind: ", b.Kind))
}
func (d *CompositeTypeDescriptor) mdNode(info *DebugInfo) llvm.Value {
return llvm.MDNode([]llvm.Value{
llvm.ConstInt(llvm.Int32Type(), llvm.LLVMDebugVersion+uint64(d.Tag()), false),
FileDescriptor(d.File).path(),
info.MDNode(d.Context),
llvm.MDString(d.Name),
llvm.ConstInt(llvm.Int32Type(), uint64(d.Line), false),
llvm.ConstInt(llvm.Int64Type(), d.Size, false),
llvm.ConstInt(llvm.Int64Type(), d.Alignment, false),
llvm.ConstInt(llvm.Int64Type(), d.Offset, false),
llvm.ConstInt(llvm.Int32Type(), uint64(d.Flags), false),
info.MDNode(d.Base), // reference type derived from
llvm.MDNode(info.MDNodes(d.Members)),
llvm.ConstInt(llvm.Int32Type(), uint64(0), false), // Runtime language
llvm.ConstInt(llvm.Int32Type(), uint64(0), false), // Base type containing the vtable pointer for this type
})
}
func NewLLVMTypeMap(target llvm.TargetData) *LLVMTypeMap {
// spec says int is either 32-bit or 64-bit.
var inttype llvm.Type
if target.PointerSize() >= 8 {
inttype = llvm.Int64Type()
} else {
inttype = llvm.Int32Type()
}
return &LLVMTypeMap{
target: target,
types: make(map[string]llvm.Type),
inttype: inttype,
}
}
func NewLLVMTypeMap(target llvm.TargetData) *llvmTypeMap {
// spec says int is either 32-bit or 64-bit.
var inttype llvm.Type
if target.PointerSize() >= 8 {
inttype = llvm.Int64Type()
} else {
inttype = llvm.Int32Type()
}
return &llvmTypeMap{
StdSizes: &types.StdSizes{
WordSize: int64(target.PointerSize()),
MaxAlign: 8,
},
target: target,
inttype: inttype,
ptrstandin: llvm.GlobalContext().StructCreateNamed(""),
}
}
func (v ConstValue) LLVMValue() llvm.Value {
typ := types.Underlying(v.Type())
if name, ok := typ.(*types.Name); ok {
typ = name.Underlying
}
switch typ.(*types.Basic).Kind {
case types.IntKind, types.UintKind:
return llvm.ConstInt(llvm.Int32Type(), uint64(v.Int64()), true)
// TODO 32/64bit (probably wait for gc)
//int_val := v.Val.(*big.Int)
//if int_val.Cmp(maxBigInt32) > 0 || int_val.Cmp(minBigInt32) < 0 {
// panic(fmt.Sprint("const ", int_val, " overflows int"))
//}
//return llvm.ConstInt(v.compiler.target.IntPtrType(), uint64(v.Int64()), true)
case types.Int8Kind:
return llvm.ConstInt(llvm.Int8Type(), uint64(v.Int64()), true)
case types.Uint8Kind:
return llvm.ConstInt(llvm.Int8Type(), uint64(v.Int64()), false)
case types.Int16Kind:
return llvm.ConstInt(llvm.Int16Type(), uint64(v.Int64()), true)
case types.Uint16Kind:
return llvm.ConstInt(llvm.Int16Type(), uint64(v.Int64()), false)
case types.Int32Kind:
return llvm.ConstInt(llvm.Int32Type(), uint64(v.Int64()), true)
case types.Uint32Kind:
return llvm.ConstInt(llvm.Int32Type(), uint64(v.Int64()), false)
case types.Int64Kind:
return llvm.ConstInt(llvm.Int64Type(), uint64(v.Int64()), true)
case types.Uint64Kind:
return llvm.ConstInt(llvm.Int64Type(), uint64(v.Int64()), false)
case types.Float32Kind:
return llvm.ConstFloat(llvm.FloatType(), float64(v.Float64()))
case types.Float64Kind:
return llvm.ConstFloat(llvm.DoubleType(), float64(v.Float64()))
case types.Complex64Kind:
r_, i_ := v.Complex()
r := llvm.ConstFloat(llvm.FloatType(), r_)
i := llvm.ConstFloat(llvm.FloatType(), i_)
return llvm.ConstStruct([]llvm.Value{r, i}, false)
case types.Complex128Kind:
r_, i_ := v.Complex()
r := llvm.ConstFloat(llvm.DoubleType(), r_)
i := llvm.ConstFloat(llvm.DoubleType(), i_)
return llvm.ConstStruct([]llvm.Value{r, i}, false)
case types.UnsafePointerKind, types.UintptrKind:
inttype := v.compiler.target.IntPtrType()
return llvm.ConstInt(inttype, uint64(v.Int64()), false)
case types.StringKind:
strval := (v.Val).(string)
strlen := len(strval)
i8ptr := llvm.PointerType(llvm.Int8Type(), 0)
var ptr llvm.Value
if strlen > 0 {
ptr = v.compiler.builder.CreateGlobalStringPtr(strval, "")
ptr = llvm.ConstBitCast(ptr, i8ptr)
} else {
ptr = llvm.ConstNull(i8ptr)
}
len_ := llvm.ConstInt(llvm.Int32Type(), uint64(strlen), false)
return llvm.ConstStruct([]llvm.Value{ptr, len_}, false)
case types.BoolKind:
if v := v.Val.(bool); v {
return llvm.ConstAllOnes(llvm.Int1Type())
}
return llvm.ConstNull(llvm.Int1Type())
}
panic(fmt.Errorf("Unhandled type: %v", typ)) //v.typ.Kind))
}
