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use llir/llvm@v0.3.0-pre2 for code generation #113

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use llir/llvm@v0.3.0-pre2 for code generation #113

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2241223
use llir/llvm@v0.3.0-pre2 for code generation
mewmew Nov 25, 2018
067aafd
use NewFunc instead of NewFunction
mewmew Nov 25, 2018
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75 changes: 75 additions & 0 deletions codegen/builder.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,75 @@
package codegen

import (
"github.com/llir/llvm/ir"
"github.com/llir/llvm/ir/constant"
"github.com/llir/llvm/ir/enum"
"github.com/llir/llvm/ir/types"
"github.com/llir/llvm/ir/value"
)

type Builder interface {
NewAShr(x, y value.Value) *ir.InstAShr
NewAdd(x, y value.Value) *ir.InstAdd
NewAddrSpaceCast(from value.Value, to types.Type) *ir.InstAddrSpaceCast
NewAlloca(elemType types.Type) *ir.InstAlloca
NewAnd(x, y value.Value) *ir.InstAnd
NewAtomicRMW(op enum.AtomicOp, dst, x value.Value, ordering enum.AtomicOrdering) *ir.InstAtomicRMW
NewBitCast(from value.Value, to types.Type) *ir.InstBitCast
NewBr(target *ir.BasicBlock) *ir.TermBr
NewCall(callee value.Value, args ...value.Value) *ir.InstCall
NewCatchPad(scope *ir.TermCatchSwitch, args ...value.Value) *ir.InstCatchPad
NewCatchRet(from *ir.InstCatchPad, to *ir.BasicBlock) *ir.TermCatchRet
NewCatchSwitch(scope ir.ExceptionScope, handlers []*ir.BasicBlock, unwindTarget ir.UnwindTarget) *ir.TermCatchSwitch
NewCleanupPad(scope ir.ExceptionScope, args ...value.Value) *ir.InstCleanupPad
NewCleanupRet(from *ir.InstCleanupPad, to ir.UnwindTarget) *ir.TermCleanupRet
NewCmpXchg(ptr, cmp, new value.Value, successOrdering, failureOrdering enum.AtomicOrdering) *ir.InstCmpXchg
NewCondBr(cond value.Value, targetTrue, targetFalse *ir.BasicBlock) *ir.TermCondBr
NewExtractElement(x, index value.Value) *ir.InstExtractElement
NewExtractValue(x value.Value, indices ...int64) *ir.InstExtractValue
NewFAdd(x, y value.Value) *ir.InstFAdd
NewFCmp(pred enum.FPred, x, y value.Value) *ir.InstFCmp
NewFDiv(x, y value.Value) *ir.InstFDiv
NewFMul(x, y value.Value) *ir.InstFMul
NewFPExt(from value.Value, to types.Type) *ir.InstFPExt
NewFPToSI(from value.Value, to types.Type) *ir.InstFPToSI
NewFPToUI(from value.Value, to types.Type) *ir.InstFPToUI
NewFPTrunc(from value.Value, to types.Type) *ir.InstFPTrunc
NewFRem(x, y value.Value) *ir.InstFRem
NewFSub(x, y value.Value) *ir.InstFSub
NewFence(ordering enum.AtomicOrdering) *ir.InstFence
NewGetElementPtr(src value.Value, indices ...value.Value) *ir.InstGetElementPtr
NewICmp(pred enum.IPred, x, y value.Value) *ir.InstICmp
NewIndirectBr(addr constant.Constant, validTargets ...*ir.BasicBlock) *ir.TermIndirectBr
NewInsertElement(x, elem, index value.Value) *ir.InstInsertElement
NewInsertValue(x, elem value.Value, indices ...int64) *ir.InstInsertValue
NewIntToPtr(from value.Value, to types.Type) *ir.InstIntToPtr
NewInvoke(invokee value.Value, args []value.Value, normal, exception *ir.BasicBlock) *ir.TermInvoke
NewLShr(x, y value.Value) *ir.InstLShr
NewLandingPad(resultType types.Type, clauses ...*ir.Clause) *ir.InstLandingPad
NewLoad(src value.Value) *ir.InstLoad
NewMul(x, y value.Value) *ir.InstMul
NewOr(x, y value.Value) *ir.InstOr
NewPhi(incs ...*ir.Incoming) *ir.InstPhi
NewPtrToInt(from value.Value, to types.Type) *ir.InstPtrToInt
NewResume(x value.Value) *ir.TermResume
NewRet(x value.Value) *ir.TermRet
NewSDiv(x, y value.Value) *ir.InstSDiv
NewSExt(from value.Value, to types.Type) *ir.InstSExt
NewSIToFP(from value.Value, to types.Type) *ir.InstSIToFP
NewSRem(x, y value.Value) *ir.InstSRem
NewSelect(cond, x, y value.Value) *ir.InstSelect
NewShl(x, y value.Value) *ir.InstShl
NewShuffleVector(x, y, mask value.Value) *ir.InstShuffleVector
NewStore(src, dst value.Value) *ir.InstStore
NewSub(x, y value.Value) *ir.InstSub
NewSwitch(x value.Value, targetDefault *ir.BasicBlock, cases ...*ir.Case) *ir.TermSwitch
NewTrunc(from value.Value, to types.Type) *ir.InstTrunc
NewUDiv(x, y value.Value) *ir.InstUDiv
NewUIToFP(from value.Value, to types.Type) *ir.InstUIToFP
NewURem(x, y value.Value) *ir.InstURem
NewUnreachable() *ir.TermUnreachable
NewVAArg(vaList value.Value, argType types.Type) *ir.InstVAArg
NewXor(x, y value.Value) *ir.InstXor
NewZExt(from value.Value, to types.Type) *ir.InstZExt
}
90 changes: 48 additions & 42 deletions codegen/codegen.go
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Original file line number Diff line number Diff line change
Expand Up @@ -4,19 +4,23 @@ import (
"fmt"

"github.com/elz-lang/elz/ast"
"github.com/elz-lang/elz/lib/llvm"

"github.com/llir/llvm/ir"
"github.com/llir/llvm/ir/constant"
"github.com/llir/llvm/ir/types"
"github.com/llir/llvm/ir/value"
)

type CodeGenerator struct {
// For LLVM
mod llvm.Module
mod *ir.Module
// Internal
bindings map[string]*ast.Binding
}

func NewGenerator() *CodeGenerator {
return &CodeGenerator{
mod: llvm.NewModule(""),
mod: ir.NewModule(),
bindings: make(map[string]*ast.Binding),
}
}
Expand All @@ -30,31 +34,29 @@ func (c *CodeGenerator) GenBinding(binding *ast.Binding) {
// TODO: generate function template
}

func (c *CodeGenerator) CallBindingWith(builder llvm.Builder, binding *ast.Binding, vs []llvm.Value) llvm.Value {
func (c *CodeGenerator) CallBindingWith(builder Builder, binding *ast.Binding, vs []value.Value) value.Value {
if len(vs) == len(binding.ParamList) {
typeList := make([]llvm.Type, len(vs))
scope := map[string]llvm.Type{}
valueScope := map[string]llvm.Value{}
params := make([]*ir.Param, len(vs))
scope := map[string]types.Type{}
valueScope := map[string]value.Value{}
for i, v := range vs {
paramName := binding.ParamList[i]
scope[paramName] = v.Type()
valueScope[paramName] = v
typeList[i] = v.Type()
params[i] = ir.NewParam(paramName, v.Type())
}
retT := c.GetExprType(scope, binding.Expr)
ft := llvm.FunctionType(retT, typeList, false)
newFn := llvm.AddFunction(c.mod, binding.Name, ft)
newFunctionBuilder := llvm.NewBuilder()
block := llvm.AddBasicBlock(newFn, "")
newFunctionBuilder.SetInsertPointAtEnd(block)
newFn := c.mod.NewFunc(binding.Name, retT, params...)
block := newFn.NewBlock("")
newFunctionBuilder := block
fnExpr := c.NewExpr(valueScope, newFunctionBuilder, binding.Expr)
newFunctionBuilder.CreateRet(fnExpr)
return builder.CreateCall(newFn, vs, "")
newFunctionBuilder.NewRet(fnExpr)
return builder.NewCall(newFn, vs...)
}
panic("not implement lambda yet")
}

func (c *CodeGenerator) NewExpr(scope map[string]llvm.Value, builder llvm.Builder, expr ast.Expr) llvm.Value {
func (c *CodeGenerator) NewExpr(scope map[string]value.Value, builder Builder, expr ast.Expr) value.Value {
if expr.IsConst() {
return c.NewConstExpr(expr)
}
Expand All @@ -65,7 +67,7 @@ func (c *CodeGenerator) NewExpr(scope map[string]llvm.Value, builder llvm.Builde
return c.SearchOperation(builder, expr.Operator, left, right)
case *ast.FuncCall:
binding := c.bindings[expr.Identifier]
args := make([]llvm.Value, 0)
args := make([]value.Value, 0)
for _, expr := range expr.ExprList {
args = append(args, c.NewExpr(scope, builder, expr))
}
Expand All @@ -77,80 +79,84 @@ func (c *CodeGenerator) NewExpr(scope map[string]llvm.Value, builder llvm.Builde
}

type Operator struct {
RetType llvm.Type
Operation func(builder llvm.Builder, l, r llvm.Value) llvm.Value
RetType types.Type
Operation func(builder Builder, l, r value.Value) value.Value
}

var (
binaryOpFormat = "%s(%s,%s)"
i32 = llvm.Int32Type()
i32 = types.I32
opMap = map[string]*Operator{
fmt.Sprintf(binaryOpFormat, "+", i32, i32): {
RetType: i32,
Operation: func(builder llvm.Builder, l, r llvm.Value) llvm.Value {
return builder.CreateAdd(l, r, "")
Operation: func(builder Builder, l, r value.Value) value.Value {
return builder.NewAdd(l, r)
},
},
fmt.Sprintf(binaryOpFormat, "-", i32, i32): {
RetType: i32,
Operation: func(builder llvm.Builder, l, r llvm.Value) llvm.Value {
return builder.CreateSub(l, r, "")
Operation: func(builder Builder, l, r value.Value) value.Value {
return builder.NewSub(l, r)
},
},
fmt.Sprintf(binaryOpFormat, "*", i32, i32): {
RetType: i32,
Operation: func(builder llvm.Builder, l, r llvm.Value) llvm.Value {
return builder.CreateMul(l, r, "")
Operation: func(builder Builder, l, r value.Value) value.Value {
return builder.NewMul(l, r)
},
},
fmt.Sprintf(binaryOpFormat, "/", i32, i32): {
RetType: i32,
Operation: func(builder llvm.Builder, l, r llvm.Value) llvm.Value {
return builder.CreateSDiv(l, r, "")
Operation: func(builder Builder, l, r value.Value) value.Value {
return builder.NewSDiv(l, r)
},
},
}
)

func (c *CodeGenerator) SearchOperation(builder llvm.Builder, operator string, left, right llvm.Value) llvm.Value {
func (c *CodeGenerator) SearchOperation(builder Builder, operator string, left, right value.Value) value.Value {
generator := opMap[fmt.Sprintf(binaryOpFormat, operator, left.Type(), right.Type())]
return generator.Operation(builder, left, right)
}

func (c *CodeGenerator) GetExprType(scope map[string]llvm.Type, expr ast.Expr) llvm.Type {
func (c *CodeGenerator) GetExprType(scope map[string]types.Type, expr ast.Expr) types.Type {
switch expr := expr.(type) {
case *ast.Int:
return llvm.Int32Type()
return types.I32
case *ast.Float:
return llvm.DoubleType()
return types.Double
case *ast.Bool:
return llvm.Int1Type()
return types.I1
case *ast.BinaryExpr:
operator := opMap[fmt.Sprintf(binaryOpFormat, expr.Operator, c.GetExprType(scope, expr.LExpr), c.GetExprType(scope, expr.RExpr))]
return operator.RetType
case *ast.FuncCall:
return llvm.Int32Type()
return types.I32
case *ast.Ident:
return scope[expr.Value]
default:
panic("unsupported type refer")
}
}

func (c *CodeGenerator) NewConstExpr(expr ast.Expr) llvm.Value {
func (c *CodeGenerator) NewConstExpr(expr ast.Expr) value.Value {
switch expr := expr.(type) {
case *ast.Int:
// default is i32
return llvm.ConstIntFromString(llvm.Int32Type(), expr.Literal, 10)
v, err := constant.NewIntFromString(types.I32, expr.Literal)
if err != nil {
panic(fmt.Errorf("unable to parse integer literal %q; %v", expr.Literal, err))
}
return v
case *ast.Float:
// default is f64(double)
return llvm.ConstFloatFromString(llvm.DoubleType(), expr.Literal)
case *ast.Bool:
if expr.IsTrue {
return llvm.ConstInt(llvm.Int1Type(), 1, false)
} else {
return llvm.ConstInt(llvm.Int1Type(), 0, false)
v, err := constant.NewFloatFromString(types.Double, expr.Literal)
if err != nil {
panic(fmt.Errorf("unable to parse floating-point literal %q; %v", expr.Literal, err))
}
return v
case *ast.Bool:
return constant.NewBool(expr.IsTrue)
case *ast.String:
panic("unsupported string right now")
case *ast.Ident:
Expand Down
17 changes: 9 additions & 8 deletions codegen/codegen_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,9 @@ import (
"testing"

"github.com/elz-lang/elz/ast"
"github.com/elz-lang/elz/lib/llvm"

"github.com/llir/llvm/ir/types"
"github.com/llir/llvm/ir/value"
)

func TestBinaryFunction(t *testing.T) {
Expand All @@ -20,13 +22,11 @@ func TestBinaryFunction(t *testing.T) {
Operator: "+",
},
})
ft := llvm.FunctionType(llvm.Int32Type(), []llvm.Type{}, false)
mainFn := llvm.AddFunction(c.mod, "main", ft)
bb := llvm.AddBasicBlock(mainFn, "")
builder := llvm.NewBuilder()
builder.SetInsertPointAtEnd(bb)
c.NewExpr(
map[string]llvm.Value{},
mainFn := c.mod.NewFunc("main", types.I32)
bb := mainFn.NewBlock("")
builder := bb
v := c.NewExpr(
map[string]value.Value{},
builder,
&ast.FuncCall{
Identifier: "add",
Expand All @@ -36,5 +36,6 @@ func TestBinaryFunction(t *testing.T) {
},
},
)
builder.NewRet(v)
fmt.Printf("%s", c.mod)
}
5 changes: 3 additions & 2 deletions go.mod
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Original file line number Diff line number Diff line change
@@ -1,11 +1,12 @@
module github.com/elz-lang/elz

require (
github.com/antlr/antlr4 v0.0.0-20181121174635-180f1af9689e
github.com/antlr/antlr4 v0.0.0-20181125170845-8268fdd957c4
github.com/dannypsnl/assert v0.0.12
github.com/inconshreveable/mousetrap v1.0.0 // indirect
github.com/llir/llvm v0.3.0-pre2.0.20181125202625-a4f2487113c4
github.com/mattn/go-isatty v0.0.4 // indirect
github.com/spf13/cobra v0.0.3
github.com/spf13/pflag v1.0.3 // indirect
golang.org/x/sys v0.0.0-20181121002834-0cf1ed9e522b // indirect
golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b // indirect
)
33 changes: 29 additions & 4 deletions go.sum
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Original file line number Diff line number Diff line change
@@ -1,21 +1,46 @@
github.com/antlr/antlr4 v0.0.0-20181121174635-180f1af9689e h1:qPCShZA5q7qZ1ACk9VeCGpxev2lZS2X+HPPMNlV6wDE=
github.com/antlr/antlr4 v0.0.0-20181121174635-180f1af9689e/go.mod h1:T7PbCXFs94rrTttyxjbyT5+/1V8T2TYDejxUfHJjw1Y=
github.com/antlr/antlr4 v0.0.0-20181125170845-8268fdd957c4 h1:aAzE99h/mAdAba6P97roJ3+MLiIx6da4y21tvD9i84c=
github.com/antlr/antlr4 v0.0.0-20181125170845-8268fdd957c4/go.mod h1:T7PbCXFs94rrTttyxjbyT5+/1V8T2TYDejxUfHJjw1Y=
github.com/dannypsnl/assert v0.0.12 h1:b2j1egq4/uBREMj3JWmQSJEHcUNTdWRQ58M57SMUUMQ=
github.com/dannypsnl/assert v0.0.12/go.mod h1:+jfk+ZXLhZdRte6a88J2upwTCxXeahqNbJsgBoJD6wI=
github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=
github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
github.com/inspirer/textmapper v0.0.0-20181104204410-4bdb1fb0392a/go.mod h1:SpoIwXu07A3gguovN379QUCTHpUk1lhX2KIjVxpQOas=
github.com/inspirer/textmapper v0.0.0-20181111212404-973a0cda8bfa h1:h4DKmR668ZzPWziVPrpyE7bAHAMCSPSC9Q4+rrsz6p8=
github.com/inspirer/textmapper v0.0.0-20181111212404-973a0cda8bfa/go.mod h1:SpoIwXu07A3gguovN379QUCTHpUk1lhX2KIjVxpQOas=
github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/llir/ll v0.0.0-20181124143609-405448b26944 h1:0Ie0H7XbvWS+NCEelOaPU0QTpbUXjn+hVxzWQ2RRVQY=
github.com/llir/ll v0.0.0-20181124143609-405448b26944/go.mod h1:a4JSuI2i1XkjU15LV11UxD243X6zJFuVeCHc63E/kGA=
github.com/llir/llvm v0.3.0-pre2.0.20181125202625-a4f2487113c4 h1:BC1t6cf7J/8Dm1h1cdQfk/KU2rYurjvu6AsgNypUpbk=
github.com/llir/llvm v0.3.0-pre2.0.20181125202625-a4f2487113c4/go.mod h1:GjmZh4l6Kcz7/Q1G25oyiZuD2VqOWfHwnudPDaeArAE=
github.com/mattn/go-colorable v0.0.9 h1:UVL0vNpWh04HeJXV0KLcaT7r06gOH2l4OW6ddYRUIY4=
github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
github.com/mattn/go-isatty v0.0.3 h1:ns/ykhmWi7G9O+8a448SecJU3nSMBXJfqQkl0upE1jI=
github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
github.com/mattn/go-isatty v0.0.4 h1:bnP0vzxcAdeI1zdubAl5PjU6zsERjGZb7raWodagDYs=
github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
github.com/mewkiz/pkg v0.0.0-20181119122551-9729f4f4ff2b h1:XHFBx9ZEVHnSCRiTz7w1a/NRBk9x7iyFiqnoN6R+vu8=
github.com/mewkiz/pkg v0.0.0-20181119122551-9729f4f4ff2b/go.mod h1:bhmdGJSMX5WCIBFmk27tBnUvBJm5WxXmarBV41qvbNI=
github.com/mewmew/float v0.0.0-20181121163145-c0f786d7da73 h1:bTqCgPsW3TFb9MFtvaOmGFWVhCmN3EmRw02zkchdOHo=
github.com/mewmew/float v0.0.0-20181121163145-c0f786d7da73/go.mod h1:obQBs6O+vjhgOZLkGdALxItKw4xrI49lSBEnAMO6lWI=
github.com/mewspring/tools v0.0.0-20181107085742-4dbfa080ff87 h1:F2Al+vk1BRMOIx0Sp7qIp4PfzgLlD8ItGsCx7O+b+nw=
github.com/mewspring/tools v0.0.0-20181107085742-4dbfa080ff87/go.mod h1:UAdVbSksr+7Bg+z4mga16OaBg3qAcgdaF3x3AeqJHEs=
github.com/pkg/errors v0.8.0 h1:WdK/asTD0HN+q6hsWO3/vpuAkAr+tw6aNJNDFFf0+qw=
github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
github.com/spf13/cobra v0.0.3 h1:ZlrZ4XsMRm04Fr5pSFxBgfND2EBVa1nLpiy1stUsX/8=
github.com/spf13/cobra v0.0.3/go.mod h1:1l0Ry5zgKvJasoi3XT1TypsSe7PqH0Sj9dhYf7v3XqQ=
github.com/spf13/pflag v1.0.3 h1:zPAT6CGy6wXeQ7NtTnaTerfKOsV6V6F8agHXFiazDkg=
github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
golang.org/x/sys v0.0.0-20180926160741-c2ed4eda69e7/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20181121002834-0cf1ed9e522b h1:fpg9kqwtLzitbbnpLJATV5Ty8sDv8sJ2ii9+e6fG89A=
golang.org/x/sys v0.0.0-20181121002834-0cf1ed9e522b/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b h1:MQE+LT/ABUuuvEZ+YQAMSXindAdUh7slEmAkup74op4=
golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/tools v0.0.0-20181122213734-04b5d21e00f1 h1:bsEj/LXbv3BCtkp/rBj9Wi/0Nde4OMaraIZpndHAhdI=
golang.org/x/tools v0.0.0-20181122213734-04b5d21e00f1/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=