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Fix some typos in the isle language reference (#4248)

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Trevor Elliott
2022-06-08 16:01:14 -07:00
committed by GitHub
parent 5033f9994b
commit 823817595a
1 changed files with 8 additions and 8 deletions
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cranelift/isle/docs/language-reference.md
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@@ -466,7 +466,7 @@ can represent various concepts in a compiler backend: values, but also
machine instructions or parts of those instructions ("integer machine instructions or parts of those instructions ("integer
immediate value encodable in machine's particular format"), or immediate value encodable in machine's particular format"), or
abstract bundles of information with invariants or guarantees encoded abstract bundles of information with invariants or guarantees encoded
in the type system ("load that I can sink", "instruciton that produces in the type system ("load that I can sink", "instruction that produces
flags"). flags").
ISLE's other key departure from many other systems is its first-class ISLE's other key departure from many other systems is its first-class
@@ -729,10 +729,10 @@ a `T2`. Concretely:
(decl Translate (T1) T2) (decl Translate (T1) T2)
(rule (Translate (T1.A ...) (rule (Translate (T1.A ...))
(T2.X ...))) (T2.X ...))
(rule (Translate (T1.B ...) (rule (Translate (T1.B ...))
(T2.Y ...))) (T2.Y ...))
``` ```
This gets to the heart of rewrite-system-based computation, and has This gets to the heart of rewrite-system-based computation, and has
@@ -764,8 +764,8 @@ one could have:
(decl TranslateToMachine1 (IR) Machine1) (decl TranslateToMachine1 (IR) Machine1)
(decl TranslateToMachine2 (IR) Machine2) (decl TranslateToMachine2 (IR) Machine2)
(rule (TranslateToMachine1 (IR.add a b) (Machine1.add a b))) (rule (TranslateToMachine1 (IR.add a b)) (Machine1.add a b))
(rule (TranslateToMachine2 (IR.add a b) (Machine2.weird_inst a b))) (rule (TranslateToMachine2 (IR.add a b)) (Machine2.weird_inst a b))
``` ```
and then both translations are available. We are "rewriting" from `IR` and then both translations are available. We are "rewriting" from `IR`
@@ -908,7 +908,7 @@ This also works in the extractor position: for example, if one writes
(decl iadd (Value Value) Inst) (decl iadd (Value Value) Inst)
(rule (lower (iadd (iadd a b) c)) (rule (lower (iadd (iadd a b) c))
...)) ...)
(convert Inst Value defining_instruction) (convert Inst Value defining_instruction)
``` ```