| commit | 67a782b8cc5b073041a7b5ab14144c922737d44f | [log] [tgz] |
|---|---|---|
| author | Keith Randall <khr@golang.org> | Wed May 24 11:16:42 2017 -0700 |
| committer | Keith Randall <khr@golang.org> | Wed May 24 21:36:06 2017 +0000 |
| tree | 8503c62f6ae716e64a23f6de66f43b56a9ebde6a | |
| parent | e1e2ca11c65afac598c2173d1f05194a02883826 [diff] |
cmd/compile: test for moving spills Test that we really do move spills down to the dominator of all the uses. Also add a test where go1.8 would have moved the spill out of the loop into two exit points, but go1.9 doesn't move the spill. This is a case where the 1.9 spill moving code does not subsume the 1.8 spill moving code. Maybe we resurrect moving-spills-out-of-loops CL to fix this one. (I suspect it wouldn't be worth the effort, but would be happy to hear evidence otherwise.) Update #20472 Change-Id: I7dbf8d65e7f4d675d14e5ecf502887cebda35d2a Reviewed-on: https://go-review.googlesource.com/44038 Run-TryBot: Keith Randall <khr@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: David Chase <drchase@google.com>
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