1 files changed, 0 insertions, 79 deletions
diff --git a/vendor/golang.org/x/tools/go/ssa/ssautil/visit.go b/vendor/golang.org/x/tools/go/ssa/ssautil/visit.go
deleted file mode 100644
index 3424e8a..0000000
--- a/vendor/golang.org/x/tools/go/ssa/ssautil/visit.go
+++ /dev/null
@@ -1,79 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ssautil // import "golang.org/x/tools/go/ssa/ssautil"
-
-import "golang.org/x/tools/go/ssa"
-
-// This file defines utilities for visiting the SSA representation of
-// a Program.
-//
-// TODO(adonovan): test coverage.
-
-// AllFunctions finds and returns the set of functions potentially
-// needed by program prog, as determined by a simple linker-style
-// reachability algorithm starting from the members and method-sets of
-// each package.  The result may include anonymous functions and
-// synthetic wrappers.
-//
-// Precondition: all packages are built.
-//
-func AllFunctions(prog *ssa.Program) map[*ssa.Function]bool {
-	visit := visitor{
-		prog: prog,
-		seen: make(map[*ssa.Function]bool),
-	}
-	visit.program()
-	return visit.seen
-}
-
-type visitor struct {
-	prog *ssa.Program
-	seen map[*ssa.Function]bool
-}
-
-func (visit *visitor) program() {
-	for _, pkg := range visit.prog.AllPackages() {
-		for _, mem := range pkg.Members {
-			if fn, ok := mem.(*ssa.Function); ok {
-				visit.function(fn)
-			}
-		}
-	}
-	for _, T := range visit.prog.RuntimeTypes() {
-		mset := visit.prog.MethodSets.MethodSet(T)
-		for i, n := 0, mset.Len(); i < n; i++ {
-			visit.function(visit.prog.MethodValue(mset.At(i)))
-		}
-	}
-}
-
-func (visit *visitor) function(fn *ssa.Function) {
-	if !visit.seen[fn] {
-		visit.seen[fn] = true
-		var buf [10]*ssa.Value // avoid alloc in common case
-		for _, b := range fn.Blocks {
-			for _, instr := range b.Instrs {
-				for _, op := range instr.Operands(buf[:0]) {
-					if fn, ok := (*op).(*ssa.Function); ok {
-						visit.function(fn)
-					}
-				}
-			}
-		}
-	}
-}
-
-// MainPackages returns the subset of the specified packages
-// named "main" that define a main function.
-// The result may include synthetic "testmain" packages.
-func MainPackages(pkgs []*ssa.Package) []*ssa.Package {
-	var mains []*ssa.Package
-	for _, pkg := range pkgs {
-		if pkg.Pkg.Name() == "main" && pkg.Func("main") != nil {
-			mains = append(mains, pkg)
-		}
-	}
-	return mains
-}