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Golang llvm.DoubleType函數代碼示例

本文整理匯總了Golang中github.com/axw/gollvm/llvm.DoubleType函數的典型用法代碼示例。如果您正苦於以下問題：Golang DoubleType函數的具體用法？Golang DoubleType怎麽用？Golang DoubleType使用的例子？那麽, 這裏精選的函數代碼示例或許可以為您提供幫助。


在下文中一共展示了DoubleType函數的8個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。

示例1: basicLLVMType

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))
}
開發者ID:minux，項目名稱:llgo，代碼行數:35，代碼來源:typemap.go

示例2: basicLLVMType

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))
}
開發者ID:c0der007，項目名稱:llgo，代碼行數:31，代碼來源:llvmtypes.go

示例3: LLVMValue

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))
}
開發者ID:spate，項目名稱:llgo，代碼行數:57，代碼來源:value.go

示例4: Convert


//.........這裏部分代碼省略.........
	if dsttyp == types.Typ[types.UnsafePointer] { // X -> unsafe.Pointer
		if _, isptr := srctyp.(*types.Pointer); isptr {
			value := b.CreatePtrToInt(v.LLVMValue(), llvm_type, "")
			return v.compiler.NewValue(value, origdsttyp)
		} else if srctyp == types.Typ[types.Uintptr] {
			return v.compiler.NewValue(v.LLVMValue(), origdsttyp)
		}
	} else if srctyp == types.Typ[types.UnsafePointer] { // unsafe.Pointer -> X
		if _, isptr := dsttyp.(*types.Pointer); isptr {
			value := b.CreateIntToPtr(v.LLVMValue(), llvm_type, "")
			return v.compiler.NewValue(value, origdsttyp)
		} else if dsttyp == types.Typ[types.Uintptr] {
			return v.compiler.NewValue(v.LLVMValue(), origdsttyp)
		}
	}

	lv := v.LLVMValue()
	srcType := lv.Type()
	switch srcType.TypeKind() {
	case llvm.IntegerTypeKind:
		switch llvm_type.TypeKind() {
		case llvm.IntegerTypeKind:
			srcBits := srcType.IntTypeWidth()
			dstBits := llvm_type.IntTypeWidth()
			delta := srcBits - dstBits
			switch {
			case delta < 0:
				// TODO check if (un)signed, use S/ZExt accordingly.
				lv = b.CreateZExt(lv, llvm_type, "")
			case delta > 0:
				lv = b.CreateTrunc(lv, llvm_type, "")
			}
			return v.compiler.NewValue(lv, origdsttyp)
		case llvm.FloatTypeKind, llvm.DoubleTypeKind:
			if !isUnsigned(v.Type()) {
				lv = b.CreateSIToFP(lv, llvm_type, "")
			} else {
				lv = b.CreateUIToFP(lv, llvm_type, "")
			}
			return v.compiler.NewValue(lv, origdsttyp)
		}
	case llvm.DoubleTypeKind:
		switch llvm_type.TypeKind() {
		case llvm.FloatTypeKind:
			lv = b.CreateFPTrunc(lv, llvm_type, "")
			return v.compiler.NewValue(lv, origdsttyp)
		case llvm.IntegerTypeKind:
			if !isUnsigned(dsttyp) {
				lv = b.CreateFPToSI(lv, llvm_type, "")
			} else {
				lv = b.CreateFPToUI(lv, llvm_type, "")
			}
			return v.compiler.NewValue(lv, origdsttyp)
		}
	case llvm.FloatTypeKind:
		switch llvm_type.TypeKind() {
		case llvm.DoubleTypeKind:
			lv = b.CreateFPExt(lv, llvm_type, "")
			return v.compiler.NewValue(lv, origdsttyp)
		case llvm.IntegerTypeKind:
			if !isUnsigned(dsttyp) {
				lv = b.CreateFPToSI(lv, llvm_type, "")
			} else {
				lv = b.CreateFPToUI(lv, llvm_type, "")
			}
			return v.compiler.NewValue(lv, origdsttyp)
開發者ID:qioixiy，項目名稱:llgo，代碼行數:67，代碼來源:value.go

示例5: printValues

func (c *compiler) printValues(println_ bool, values ...Value) Value {
	var args []llvm.Value = nil
	if len(values) > 0 {
		format := ""
		args = make([]llvm.Value, 0, len(values)+1)
		for i, value := range values {
			llvm_value := value.LLVMValue()

			typ := value.Type().Underlying()
			if name, isname := typ.(*types.Named); isname {
				typ = name.Underlying()
			}

			if println_ && i > 0 {
				format += " "
			}
			switch typ := typ.(type) {
			case *types.Basic:
				switch typ.Kind() {
				case types.Uint8:
					format += "%hhu"
				case types.Uint16:
					format += "%hu"
				case types.Uint32:
					format += "%u"
				case types.Uintptr, types.Uint:
					format += "%lu"
				case types.Uint64:
					format += "%llu" // FIXME windows
				case types.Int:
					format += "%ld"
				case types.Int8:
					format += "%hhd"
				case types.Int16:
					format += "%hd"
				case types.Int32:
					format += "%d"
				case types.Int64:
					format += "%lld" // FIXME windows
				case types.Float32:
					llvm_value = c.builder.CreateFPExt(llvm_value, llvm.DoubleType(), "")
					fallthrough
				case types.Float64:
					printfloat := c.NamedFunction("runtime.printfloat", "func f(float64) string")
					args := []llvm.Value{llvm_value}
					llvm_value = c.builder.CreateCall(printfloat, args, "")
					fallthrough
				case types.String, types.UntypedString:
					ptrval := c.builder.CreateExtractValue(llvm_value, 0, "")
					lenval := c.builder.CreateExtractValue(llvm_value, 1, "")
					llvm_value = ptrval
					args = append(args, lenval)
					format += "%.*s"
				case types.Bool:
					format += "%s"
					llvm_value = c.getBoolString(llvm_value)
				case types.UnsafePointer:
					format += "%p"
				default:
					panic(fmt.Sprint("Unhandled Basic Kind: ", typ.Kind))
				}

			case *types.Interface:
				format += "(0x%lx,0x%lx)"
				ival := c.builder.CreateExtractValue(llvm_value, 0, "")
				itype := c.builder.CreateExtractValue(llvm_value, 1, "")
				args = append(args, ival)
				llvm_value = itype

			case *types.Slice, *types.Array:
				// If we see a constant array, we either:
				//     Create an internal constant if it's a constant array, or
				//     Create space on the stack and store it there.
				init_ := value.(*LLVMValue)
				if init_.pointer != nil {
					llvm_value = init_.pointer.LLVMValue()
				} else {
					init_value := init_.LLVMValue()
					llvm_value = c.builder.CreateAlloca(init_value.Type(), "")
					c.builder.CreateStore(init_value, llvm_value)
				}
				// FIXME don't assume string...
				format += "%s"

			case *types.Pointer:
				format += "0x%lx"

			default:
				panic(fmt.Sprintf("Unhandled type kind: %s (%T)", typ, typ))
			}

			args = append(args, llvm_value)
		}
		if println_ {
			format += "\n"
		}
		formatval := c.builder.CreateGlobalStringPtr(format, "")
		args = append([]llvm.Value{formatval}, args...)
	} else {
		var format string
//.........這裏部分代碼省略.........
開發者ID:hzmangel，項目名稱:llgo，代碼行數:101，代碼來源:println.go

示例6: LLVMValue

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))
}
開發者ID:kisielk，項目名稱:llgo，代碼行數:78，代碼來源:value.go

示例7: Convert


//.........這裏部分代碼省略.........
	if dst_typ == types.UnsafePointer { // X -> unsafe.Pointer
		if _, isptr := src_typ.(*types.Pointer); isptr {
			value := b.CreatePtrToInt(v.LLVMValue(), llvm_type, "")
			return v.compiler.NewLLVMValue(value, orig_dst_typ)
		} else if src_typ == types.Uintptr {
			return v.compiler.NewLLVMValue(v.LLVMValue(), orig_dst_typ)
		}
	} else if src_typ == types.UnsafePointer { // unsafe.Pointer -> X
		if _, isptr := dst_typ.(*types.Pointer); isptr {
			value := b.CreateIntToPtr(v.LLVMValue(), llvm_type, "")
			return v.compiler.NewLLVMValue(value, orig_dst_typ)
		} else if dst_typ == types.Uintptr {
			return v.compiler.NewLLVMValue(v.LLVMValue(), orig_dst_typ)
		}
	}

	// FIXME select the appropriate cast here, depending on size, type (int/float)
	// and sign.
	lv := v.LLVMValue()
	srcType := lv.Type()
	switch srcType.TypeKind() { // source type
	case llvm.IntegerTypeKind:
		switch llvm_type.TypeKind() {
		case llvm.IntegerTypeKind:
			srcBits := srcType.IntTypeWidth()
			dstBits := llvm_type.IntTypeWidth()
			delta := srcBits - dstBits
			switch {
			case delta < 0:
				// TODO check if (un)signed, use S/ZExt accordingly.
				lv = b.CreateZExt(lv, llvm_type, "")
			case delta > 0:
				lv = b.CreateTrunc(lv, llvm_type, "")
			}
			return v.compiler.NewLLVMValue(lv, orig_dst_typ)
		case llvm.FloatTypeKind, llvm.DoubleTypeKind:
			if signed(v.Type()) {
				lv = b.CreateSIToFP(lv, llvm_type, "")
			} else {
				lv = b.CreateUIToFP(lv, llvm_type, "")
			}
			return v.compiler.NewLLVMValue(lv, orig_dst_typ)
		}
	case llvm.DoubleTypeKind:
		switch llvm_type.TypeKind() {
		case llvm.FloatTypeKind:
			lv = b.CreateFPTrunc(lv, llvm_type, "")
			return v.compiler.NewLLVMValue(lv, orig_dst_typ)
		case llvm.IntegerTypeKind:
			if signed(dst_typ) {
				lv = b.CreateFPToSI(lv, llvm_type, "")
			} else {
				lv = b.CreateFPToUI(lv, llvm_type, "")
			}
			return v.compiler.NewLLVMValue(lv, orig_dst_typ)
		}
	case llvm.FloatTypeKind:
		switch llvm_type.TypeKind() {
		case llvm.DoubleTypeKind:
			lv = b.CreateFPExt(lv, llvm_type, "")
			return v.compiler.NewLLVMValue(lv, orig_dst_typ)
		case llvm.IntegerTypeKind:
			if signed(dst_typ) {
				lv = b.CreateFPToSI(lv, llvm_type, "")
			} else {
				lv = b.CreateFPToUI(lv, llvm_type, "")
			}
			return v.compiler.NewLLVMValue(lv, orig_dst_typ)
		}
	}

	// Complex -> complex. Complexes are only convertible to other
	// complexes, contant conversions aside. So we can just check the
	// source type here; given that the types are not identical
	// (checked above), we can assume the destination type is the alternate
	// complex type.
	if src_typ == types.Complex64 || src_typ == types.Complex128 {
		var fpcast func(llvm.Builder, llvm.Value, llvm.Type, string) llvm.Value
		var fptype llvm.Type
		if src_typ == types.Complex64 {
			fpcast = llvm.Builder.CreateFPExt
			fptype = llvm.DoubleType()
		} else {
			fpcast = llvm.Builder.CreateFPTrunc
			fptype = llvm.FloatType()
		}
		if fpcast != nil {
			realv := b.CreateExtractValue(lv, 0, "")
			imagv := b.CreateExtractValue(lv, 1, "")
			realv = fpcast(b, realv, fptype, "")
			imagv = fpcast(b, imagv, fptype, "")
			lv = llvm.Undef(v.compiler.types.ToLLVM(dst_typ))
			lv = b.CreateInsertValue(lv, realv, 0, "")
			lv = b.CreateInsertValue(lv, imagv, 1, "")
			return v.compiler.NewLLVMValue(lv, orig_dst_typ)
		}
	}

	panic(fmt.Sprint("unimplemented conversion: ", v.typ, " -> ", orig_dst_typ))
}
開發者ID:kisielk，項目名稱:llgo，代碼行數:101，代碼來源:value.go

示例8: printValues

func (c *compiler) printValues(println_ bool, values ...Value) Value {
	var args []llvm.Value = nil
	if len(values) > 0 {
		format := ""
		args = make([]llvm.Value, 0, len(values)+1)
		for i, value := range values {
			llvm_value := value.LLVMValue()

			typ := types.Underlying(value.Type())
			if name, isname := typ.(*types.Name); isname {
				typ = name.Underlying
			}

			if println_ && i > 0 {
				format += " "
			}
			switch typ := typ.(type) {
			case *types.Basic:
				switch typ.Kind {
				case types.UintKind:
					format += "%u" // TODO make 32/64-bit
				case types.Uint8Kind:
					format += "%hhu"
				case types.Uint16Kind:
					format += "%hu"
				case types.Uint32Kind, types.UintptrKind: // FIXME uintptr to become bitwidth dependent
					format += "%u"
				case types.Uint64Kind:
					format += "%llu" // FIXME windows
				case types.IntKind:
					format += "%d" // TODO make 32/64-bit
				case types.Int8Kind:
					format += "%hhd"
				case types.Int16Kind:
					format += "%hd"
				case types.Int32Kind:
					format += "%d"
				case types.Int64Kind:
					format += "%lld" // FIXME windows
				case types.Float32Kind:
					llvm_value = c.builder.CreateFPExt(llvm_value, llvm.DoubleType(), "")
					fallthrough
				case types.Float64Kind:
					// Doesn't match up with gc's formatting, which allocates
					// a minimum of three digits for the exponent.
					printfloat := c.NamedFunction("runtime.printfloat", "func f(float64) string")
					args := []llvm.Value{llvm_value}
					llvm_value = c.builder.CreateCall(printfloat, args, "")
					fallthrough
				case types.StringKind:
					ptrval := c.builder.CreateExtractValue(llvm_value, 0, "")
					lenval := c.builder.CreateExtractValue(llvm_value, 1, "")
					llvm_value = ptrval
					args = append(args, lenval)
					format += "%.*s"
				case types.BoolKind:
					format += "%s"
					llvm_value = c.getBoolString(llvm_value)
				case types.UnsafePointerKind:
					format += "%p"
				default:
					panic(fmt.Sprint("Unhandled Basic Kind: ", typ.Kind))
				}

			case *types.Interface:
				format += "(0x%lx,0x%lx)"
				ival := c.builder.CreateExtractValue(llvm_value, 0, "")
				itype := c.builder.CreateExtractValue(llvm_value, 1, "")
				args = append(args, ival)
				llvm_value = itype

			case *types.Slice, *types.Array:
				// If we see a constant array, we either:
				//     Create an internal constant if it's a constant array, or
				//     Create space on the stack and store it there.
				init_ := value
				init_value := init_.LLVMValue()
				switch init_.(type) {
				case ConstValue:
					llvm_value = llvm.AddGlobal(c.module.Module, init_value.Type(), "")
					llvm_value.SetInitializer(init_value)
					llvm_value.SetGlobalConstant(true)
				case *LLVMValue:
					llvm_value = c.builder.CreateAlloca(init_value.Type(), "")
					c.builder.CreateStore(init_value, llvm_value)
				}
				// FIXME don't assume string...
				format += "%s"

			case *types.Pointer:
				format += "0x%x"

			default:
				panic(fmt.Sprintf("Unhandled type kind: %s (%T)", typ, typ))
			}

			args = append(args, llvm_value)
		}
		if println_ {
			format += "\n"
//.........這裏部分代碼省略.........
開發者ID:kelsieflynn，項目名稱:llgo，代碼行數:101，代碼來源:println.go


注：本文中的github.com/axw/gollvm/llvm.DoubleType函數示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。