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compiler: fix manifest method offset

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While optimizing jumps, old offsets should be compared
with the method offset before optimization, not with
the constantly changing value.
This commit is contained in:
Evgenii Stratonikov 2020-10-14 14:34:53 +03:00
parent c72ecd1be4
commit 1f2d76a1c2
2 changed files with 27 additions and 3 deletions
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21
pkg/compiler/function_call_test.go
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@ -3,7 +3,12 @@ package compiler_test
import (
"fmt"
"math/big"
"strings"
"testing"
"github.com/nspcc-dev/neo-go/pkg/compiler"
"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
"github.com/stretchr/testify/require"
)
func TestSimpleFunctionCall(t *testing.T) {
@ -269,3 +274,19 @@ func TestVariadicMethod(t *testing.T) {
}`
eval(t, src, big.NewInt(42))
}
func TestJumpOptimize(t *testing.T) {
src := `package foo
func Get1() int { return 1 }
func Get2() int { Get1(); Get1(); Get1(); Get1(); return Get1() }
func Get3() int { return Get2() }
func Main() int {
return Get3()
}`
b, di, err := compiler.CompileWithDebugInfo("", strings.NewReader(src))
require.NoError(t, err)
for _, mi := range di.Methods {
require.Equal(t, b[mi.Range.Start], byte(opcode.INITSLOT))
require.Equal(t, b[mi.Range.End], byte(opcode.RET))
}
}