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llgo/ssa.SetRuntime: prevent multiple loading of runtime

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This commit is contained in:
xushiwei
2024-04-28 14:00:29 +08:00
parent 41dfafe957
commit 70623dd554
7 changed files with 35 additions and 22 deletions
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3
cl/compile.go
View File

@@ -465,6 +465,9 @@ func NewPackage(prog llssa.Program, pkg *ssa.Package, files []*ast.File) (ret ll
pkgProg := pkg.Prog
pkgTypes := pkg.Pkg
pkgName, pkgPath := pkgTypes.Name(), llssa.PathOf(pkgTypes)
if pkgPath == llssa.PkgRuntime {
prog.SetRuntime(pkgTypes)
}
ret = prog.NewPackage(pkgName, pkgPath)
ctx := &context{

3
cl/compile_test.go
View File

@@ -20,6 +20,7 @@ import (
"testing"
"github.com/goplus/llgo/cl/cltest"
"github.com/goplus/llgo/ssa"
)
func testCompile(t *testing.T, src, expected string) {
@@ -36,7 +37,7 @@ func TestFromTestdata(t *testing.T) {
}
func TestRuntime(t *testing.T) {
cltest.Pkg(t, "github.com/goplus/llgo/internal/runtime", "../internal/runtime/llgo_autogen.ll")
cltest.Pkg(t, ssa.PkgRuntime, "../internal/runtime/llgo_autogen.ll")
}
func TestVar(t *testing.T) {

2
internal/build/build.go
View File

@@ -108,7 +108,7 @@ func Do(args []string, conf *Config) {
var rt []*packages.Package
prog := llssa.NewProgram(nil)
prog.SetRuntime(func() *types.Package {
rt, err = packages.Load(cfg, "github.com/goplus/llgo/internal/runtime")
rt, err = packages.Load(cfg, llssa.PkgRuntime)
check(err)
return rt[0].Types
})

2
internal/llgen/llgenf.go
View File

@@ -50,7 +50,7 @@ func GenFrom(fileOrPkg string) string {
prog := llssa.NewProgram(nil)
prog.SetRuntime(func() *types.Package {
rt, err := packages.Load(cfg, "github.com/goplus/llgo/internal/runtime")
rt, err := packages.Load(cfg, llssa.PkgRuntime)
check(err)
return rt[0].Types
})

20
internal/runtime/llgo_autogen.ll
View File

@@ -8,8 +8,6 @@ source_filename = "github.com/goplus/llgo/internal/runtime"
%"github.com/goplus/llgo/internal/abi.Type" = type { i64, i64, i32, i8, i8, i8, i8, i1 (ptr, ptr), ptr, i32, i32 }
%"github.com/goplus/llgo/internal/abi.Name" = type { ptr }
%"github.com/goplus/llgo/internal/runtime.Slice" = type { ptr, i64, i64 }
%"github.com/goplus/llgo/internal/runtime.String.0" = type { ptr, i64 }
%"github.com/goplus/llgo/internal/runtime.Slice.1" = type { ptr, i64, i64 }
@"github.com/goplus/llgo/internal/runtime.TyAny" = global ptr null
@"github.com/goplus/llgo/internal/runtime.basicTypes" = global ptr null
@@ -240,10 +238,10 @@ _llgo_0:
ret %"github.com/goplus/llgo/internal/runtime.iface" %12
}
define %"github.com/goplus/llgo/internal/runtime.iface" @"github.com/goplus/llgo/internal/runtime.MakeAnyString"(%"github.com/goplus/llgo/internal/runtime.String.0" %0) {
define %"github.com/goplus/llgo/internal/runtime.iface" @"github.com/goplus/llgo/internal/runtime.MakeAnyString"(%"github.com/goplus/llgo/internal/runtime.String" %0) {
_llgo_0:
%1 = call ptr @"github.com/goplus/llgo/internal/runtime.Alloc"(i64 16)
store %"github.com/goplus/llgo/internal/runtime.String.0" %0, ptr %1, align 8
store %"github.com/goplus/llgo/internal/runtime.String" %0, ptr %1, align 8
%2 = alloca %"github.com/goplus/llgo/internal/runtime.iface", align 8
%3 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.iface", ptr %2, i32 0, i32 0
%4 = call ptr @"github.com/goplus/llgo/internal/runtime.Alloc"(i64 16)
@@ -288,17 +286,17 @@ _llgo_0:
declare ptr @malloc(i64)
define %"github.com/goplus/llgo/internal/runtime.Slice.1" @"github.com/goplus/llgo/internal/runtime.NilSlice"() {
define %"github.com/goplus/llgo/internal/runtime.Slice" @"github.com/goplus/llgo/internal/runtime.NilSlice"() {
_llgo_0:
%0 = alloca %"github.com/goplus/llgo/internal/runtime.Slice.1", align 8
%1 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.Slice.1", ptr %0, i32 0, i32 0
%2 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.Slice.1", ptr %0, i32 0, i32 1
%3 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.Slice.1", ptr %0, i32 0, i32 2
%0 = alloca %"github.com/goplus/llgo/internal/runtime.Slice", align 8
%1 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.Slice", ptr %0, i32 0, i32 0
%2 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.Slice", ptr %0, i32 0, i32 1
%3 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.Slice", ptr %0, i32 0, i32 2
store ptr null, ptr %1, align 8
store i64 0, ptr %2, align 4
store i64 0, ptr %3, align 4
%4 = load %"github.com/goplus/llgo/internal/runtime.Slice.1", ptr %0, align 8
ret %"github.com/goplus/llgo/internal/runtime.Slice.1" %4
%4 = load %"github.com/goplus/llgo/internal/runtime.Slice", ptr %0, align 8
ret %"github.com/goplus/llgo/internal/runtime.Slice" %4
}
declare ptr @"(*github.com/goplus/llgo/internal/abi.Type).ArrayType"(ptr)

3
ssa/cl_test.go
View File

@@ -20,6 +20,7 @@ import (
"testing"
"github.com/goplus/llgo/cl/cltest"
"github.com/goplus/llgo/ssa"
)
func TestFromTestcgo(t *testing.T) {
@@ -31,5 +32,5 @@ func TestFromTestdata(t *testing.T) {
}
func TestRuntime(t *testing.T) {
cltest.Pkg(t, "github.com/goplus/llgo/internal/runtime", "../internal/runtime/llgo_autogen.ll")
cltest.Pkg(t, ssa.PkgRuntime, "../internal/runtime/llgo_autogen.ll")
}

24
ssa/package.go
View File

@@ -24,6 +24,10 @@ import (
"golang.org/x/tools/go/types/typeutil"
)
const (
PkgRuntime = "github.com/goplus/llgo/internal/runtime"
)
// -----------------------------------------------------------------------------
type dbgFlags = int
@@ -94,7 +98,7 @@ type aProgram struct {
ctx llvm.Context
typs typeutil.Map
rt *types.Scope
rt *types.Package
rtget func() *types.Package
target *Target
@@ -140,19 +144,25 @@ func NewProgram(target *Target) Program {
}
// SetRuntime sets the runtime.
func (p Program) SetRuntime(runtime func() *types.Package) {
p.rtget = runtime
// Its type can be *types.Package or func() *types.Package.
func (p Program) SetRuntime(runtime any) {
switch v := runtime.(type) {
case *types.Package:
p.rt = v
case func() *types.Package:
p.rtget = v
}
}
func (p Program) runtime() *types.Scope {
func (p Program) runtime() *types.Package {
if p.rt == nil {
p.rt = p.rtget().Scope()
p.rt = p.rtget()
}
return p.rt
}
func (p Program) rtNamed(name string) *types.Named {
return p.runtime().Lookup(name).Type().(*types.Named)
return p.runtime().Scope().Lookup(name).Type().(*types.Named)
}
func (p Program) rtType(name string) Type {
@@ -312,7 +322,7 @@ func (p Package) rtAbort() Expr {
}
func (p Package) rtFunc(fnName string) Expr {
fn := p.prog.runtime().Lookup(fnName).(*types.Func)
fn := p.prog.runtime().Scope().Lookup(fnName).(*types.Func)
name := FullName(fn.Pkg(), fnName)
return p.NewFunc(name, fn.Type().(*types.Signature)).Expr
}