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cmd/compile: add Type.IsUintptr() to detect type is an uintptr

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Change-Id: I7051d45eafbfd4dea73a3d4b5ea6cff39d76cbc1
Reviewed-on: https://go-review.googlesource.com/c/go/+/253658
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
This commit is contained in:
Cuong Manh Le 2020-09-09 12:09:26 +07:00
parent 9cf88333e8
commit 518369601c
5 changed files with 13 additions and 8 deletions
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6
src/cmd/compile/internal/gc/esc.go
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@ -377,7 +377,7 @@ func (e *Escape) paramTag(fn *Node, narg int, f *types.Field) string {
// This really doesn't have much to do with escape analysis per se,
// but we are reusing the ability to annotate an individual function
// argument and pass those annotations along to importing code.
if f.Type.Etype == TUINTPTR {
if f.Type.IsUintptr() {
if Debug['m'] != 0 {
Warnl(f.Pos, "assuming %v is unsafe uintptr", name())
}
@ -407,13 +407,13 @@ func (e *Escape) paramTag(fn *Node, narg int, f *types.Field) string {
}
if fn.Func.Pragma&UintptrEscapes != 0 {
if f.Type.Etype == TUINTPTR {
if f.Type.IsUintptr() {
if Debug['m'] != 0 {
Warnl(f.Pos, "marking %v as escaping uintptr", name())
}
return uintptrEscapesTag
}
if f.IsDDD() && f.Type.Elem().Etype == TUINTPTR {
if f.IsDDD() && f.Type.Elem().IsUintptr() {
// final argument is ...uintptr.
if Debug['m'] != 0 {
Warnl(f.Pos, "marking %v as escaping ...uintptr", name())