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(parent: cca48f1) | patch
cmd/gc: Don't calculate second value in range if it is blank.
authorDaniel Morsing <daniel.morsing@gmail.com>
Wed, 26 Sep 2012 19:10:29 +0000 (21:10 +0200)
committerDaniel Morsing <daniel.morsing@gmail.com>
Wed, 26 Sep 2012 19:10:29 +0000 (21:10 +0200)
commit7936ab58f7feb25f8c9b367585886d9872a17ad3
tree1ad3c96265ccdef33df59b48eadd7bc2047233c6tree
parentcca48f1a577bc5eb8363ef4ce63af6a9b30a164acommit | diff
cmd/gc: Don't calculate second value in range if it is blank.

Low hanging fruit optimization. Will remove an expensive copy if the range variable is an array.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6564052
src/cmd/gc/range.c diff | blob | history
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