How to use isZeroSize method of compiler Package

Best Syzkaller code snippet using compiler.isZeroSize

channel.go

Source:channel.go

...25	ch := b.getValue(instr.Chan)26	chanValue := b.getValue(instr.X)27	// store value-to-send28	valueType := b.getLLVMType(instr.X.Type())29	isZeroSize := b.targetData.TypeAllocSize(valueType) == 030	var valueAlloca, valueAllocaCast, valueAllocaSize llvm.Value31	if isZeroSize {32		valueAlloca = llvm.ConstNull(llvm.PointerType(valueType, 0))33		valueAllocaCast = llvm.ConstNull(b.i8ptrType)34	} else {35		valueAlloca, valueAllocaCast, valueAllocaSize = b.createTemporaryAlloca(valueType, "chan.value")36		b.CreateStore(chanValue, valueAlloca)37	}38	// Allocate blockedlist buffer.39	channelBlockedList := b.mod.GetTypeByName("runtime.channelBlockedList")40	channelBlockedListAlloca, channelBlockedListAllocaCast, channelBlockedListAllocaSize := b.createTemporaryAlloca(channelBlockedList, "chan.blockedList")41	// Do the send.42	b.createRuntimeCall("chanSend", []llvm.Value{ch, valueAllocaCast, channelBlockedListAlloca}, "")43	// End the lifetime of the allocas.44	// This also works around a bug in CoroSplit, at least in LLVM 8:45	// https://bugs.llvm.org/show_bug.cgi?id=4174246	b.emitLifetimeEnd(channelBlockedListAllocaCast, channelBlockedListAllocaSize)47	if !isZeroSize {48		b.emitLifetimeEnd(valueAllocaCast, valueAllocaSize)49	}50}51// createChanRecv emits a pseudo chan receive operation. It is lowered to the52// actual channel receive operation during goroutine lowering.53func (b *builder) createChanRecv(unop *ssa.UnOp) llvm.Value {54	valueType := b.getLLVMType(unop.X.Type().Underlying().(*types.Chan).Elem())55	ch := b.getValue(unop.X)56	// Allocate memory to receive into.57	isZeroSize := b.targetData.TypeAllocSize(valueType) == 058	var valueAlloca, valueAllocaCast, valueAllocaSize llvm.Value59	if isZeroSize {60		valueAlloca = llvm.ConstNull(llvm.PointerType(valueType, 0))61		valueAllocaCast = llvm.ConstNull(b.i8ptrType)62	} else {63		valueAlloca, valueAllocaCast, valueAllocaSize = b.createTemporaryAlloca(valueType, "chan.value")64	}65	// Allocate blockedlist buffer.66	channelBlockedList := b.mod.GetTypeByName("runtime.channelBlockedList")67	channelBlockedListAlloca, channelBlockedListAllocaCast, channelBlockedListAllocaSize := b.createTemporaryAlloca(channelBlockedList, "chan.blockedList")68	// Do the receive.69	commaOk := b.createRuntimeCall("chanRecv", []llvm.Value{ch, valueAllocaCast, channelBlockedListAlloca}, "")70	var received llvm.Value71	if isZeroSize {72		received = llvm.ConstNull(valueType)73	} else {74		received = b.CreateLoad(valueAlloca, "chan.received")75		b.emitLifetimeEnd(valueAllocaCast, valueAllocaSize)76	}77	b.emitLifetimeEnd(channelBlockedListAllocaCast, channelBlockedListAllocaSize)78	if unop.CommaOk {79		tuple := llvm.Undef(b.ctx.StructType([]llvm.Type{valueType, b.ctx.Int1Type()}, false))80		tuple = b.CreateInsertValue(tuple, received, 0, "")81		tuple = b.CreateInsertValue(tuple, commaOk, 1, "")82		return tuple83	} else {84		return received85	}...

isZeroSize

Using AI Code Generation

1import (2func main() {3    if file, err = os.Open("test.txt"); err != nil {4        fmt.Println(err)5    }6    defer file.Close()7    fileInfo, _ := file.Stat()8}9import (10func main() {11    if file, err = os.Open("test.txt"); err != nil {12        fmt.Println(err)13    }14    defer file.Close()15    fileInfo, _ := file.Stat()16}17import (18func main() {19    if file, err = os.Open("test.txt"); err != nil {20        fmt.Println(err)21    }22    defer file.Close()23    fileInfo, _ := file.Stat()24}25import (26func main() {27    if file, err = os.Open("test.txt"); err != nil {28        fmt.Println(err)29    }30    defer file.Close()31    fileInfo, _ := file.Stat()32}

isZeroSize

Using AI Code Generation

1func (c *compiler) isZeroSize(t types.Type) bool {2	return c.sizeof(t) == 03}4func (c *compiler) isZeroSize(t types.Type) bool {5	return c.sizeof(t) == 06}7func (c *compiler) isZeroSize(t types.Type) bool {8	return c.sizeof(t) == 09}10func (c *compiler) isZeroSize(t types.Type) bool {11	return c.sizeof(t) == 012}13func (c *compiler) isZeroSize(t types.Type) bool {14	return c.sizeof(t) == 015}16func (c *compiler) isZeroSize(t types.Type) bool {17	return c.sizeof(t) == 018}19func (c *compiler) isZeroSize(t types.Type) bool {20	return c.sizeof(t) == 021}22func (c *compiler) isZeroSize(t types.Type) bool {23	return c.sizeof(t) == 024}25func (c *compiler) isZeroSize(t types.Type) bool {26	return c.sizeof(t) == 027}28func (c *compiler) isZeroSize(t types.Type) bool {29	return c.sizeof(t) == 030}31func (c *compiler) isZeroSize(t types.Type) bool {32	return c.sizeof(t) == 033}34func (c

isZeroSize

Using AI Code Generation

1import (2func main() {3 fmt.Println(a)4 fmt.Println(isZeroSize(a))5}6func isZeroSize(a interface{}) bool {7}

isZeroSize

Using AI Code Generation

1func main() {2    f, err := os.Open("test.txt")3    if err != nil {4        panic(err)5    }6    defer f.Close()7    fi, err := f.Stat()8    if err != nil {9        panic(err)10    }11    if fi.Size() == 0 {12        fmt.Println("File is empty")13    } else {14        fmt.Println("File is not empty")15    }16}17Go | Get File Size using Stat()18Go | Get File Size using Stat() Method

isZeroSize

Using AI Code Generation

1import (2func main() {3	fmt.Println("Is a zero size? ", compiler.isZeroSize(a))4	fmt.Println("Is b zero size? ", compiler.isZeroSize(b))5	fmt.Println("Is c zero size? ", compiler.isZeroSize(c))6	fmt.Println("Is d zero size? ", compiler.isZeroSize(d))7	fmt.Println("Is e zero size? ", compiler.isZeroSize(e))8}9import (10func main() {11	fmt.Println("Is a zero size? ", compiler.isZeroSize(a))12	fmt.Println("Is b zero size? ", compiler.isZeroSize(b))13	fmt.Println("Is c zero size? ", compiler.isZeroSize(c))14	fmt.Println("Is d zero size? ", compiler.isZeroSize(d))15	fmt.Println("Is e zero size? ", compiler.isZeroSize(e))16}17import (18func main() {19	fmt.Println("Is a zero size? ", compiler.isZeroSize(a))20	fmt.Println("Is b zero size? ", compiler.isZeroSize(b))21	fmt.Println("Is c zero size? ", compiler.isZeroSize(c))22	fmt.Println("Is d zero size? ", compiler.isZeroSize(d))23	fmt.Println("Is e zero size? ", compiler.isZeroSize(e))24}25import (26func main() {27	fmt.Println("Is a zero size? ", compiler.isZeroSize(a))28	fmt.Println("Is b zero size? ", compiler.isZeroSize(b))29	fmt.Println("Is c zero size? ", compiler.isZeroSize(c))30	fmt.Println("Is d zero size? ", compiler.isZeroSize(d))31	fmt.Println("Is e zero size? ", compiler.isZeroSize

isZeroSize

Using AI Code Generation

1import (2func main() {3    fi, err := os.Stat("C:\\Users\\test.txt")4    if err != nil {5        fmt.Println(err)6    }7    if fi.Size() == 0 {8        fmt.Println("File is empty")9    } else {10        fmt.Println("File is not empty")11    }12}

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