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cmd/compile: normalize whitespace around square brackets

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I noticed some instances of "[ " and " ]" in the rewrite rules.
Normalizing them helps catch possible future duplicate rules.

Change-Id: I892fd7e9b4019ed304f0a61fa2bb7f7e47ef8f38
Reviewed-on: https://go-review.googlesource.com/c/go/+/213682
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Josh Bleecher Snyder 2020-01-07 14:30:17 -08:00
parent f53f987ebf
commit 4084c125cc
1 changed files with 2 additions and 0 deletions
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2
src/cmd/compile/internal/ssa/gen/rulegen.go
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@ -1442,6 +1442,8 @@ func normalizeWhitespace(x string) string {
x = strings.Join(strings.Fields(x), " ")
x = strings.Replace(x, "( ", "(", -1)
x = strings.Replace(x, " )", ")", -1)
x = strings.Replace(x, "[ ", "[", -1)
x = strings.Replace(x, " ]", "]", -1)
x = strings.Replace(x, ")->", ") ->", -1)
return x
}