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go/test/codegen/issue48054.go
wdvxdr 21de6bc463 cmd/compile: simplify less with non-negative number and constant 0 or 1
The most common cases:
len(s) > 0
len(s) < 1

and they can be simplified to:
len(s) != 0
len(s) == 0

Fixes #48054

Change-Id: I16e5b0cffcfab62a4acc2a09977a6cd3543dd000
Reviewed-on: https://go-review.googlesource.com/c/go/+/346050
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
2021-09-07 14:53:41 +00:00

32 lines
461 B
Go

// asmcheck
// Copyright 2021 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 main
func a(n string) bool {
// arm64:"CBZ"
if len(n) > 0 {
return true
}
return false
}
func a2(n []int) bool {
// arm64:"CBZ"
if len(n) > 0 {
return true
}
return false
}
func a3(n []int) bool {
// amd64:"TESTQ"
if len(n) < 1 {
return true
}
return false
}