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cmd/compile: remove OFORUNTIL

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Not used any more.

Fixes #53860

Change-Id: Id0b1c3ed30b576d6c5f08f064d1262de337262b3
Reviewed-on: https://go-review.googlesource.com/c/go/+/418374
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: David Chase <drchase@google.com>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
This commit is contained in:
Keith Randall 2022-07-19 13:15:05 -07:00 • committed by Keith Randall
parent 6dc7b060cd
commit a5370d038e
12 changed files with 69 additions and 142 deletions
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3
src/cmd/compile/internal/ssa/prove.go
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@ -1099,8 +1099,7 @@ func addRestrictions(parent *Block, ft *factsTable, t domain, v, w *Value, r rel
// addLocalInductiveFacts adds inductive facts when visiting b, where
// b is a join point in a loop. In contrast with findIndVar, this
// depends on facts established for b, which is why it happens when
// visiting b. addLocalInductiveFacts specifically targets the pattern
// created by OFORUNTIL, which isn't detected by findIndVar.
// visiting b.
//
// TODO: It would be nice to combine this with findIndVar.
func addLocalInductiveFacts(ft *factsTable, b *Block) {