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Be more specific with -C inline-threshold.

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Eric Huss
2019-10-26 09:05:06 -07:00
parent bd70c03227
commit c6bfe28b95
1 changed files with 13 additions and 5 deletions
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src/doc/rustc/src/codegen-options/index.md
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@@ -297,12 +297,20 @@ If not specified, debug assertions are automatically enabled only if the
## inline-threshold
This option lets you set the threshold for inlining a function. It takes a
positive integer as a value. Inlining is based on a cost model, where a higher
threshold will allow more inlining.
This option lets you set the default threshold for inlining a function. It
takes an unsigned integer as a value. Inlining is based on a cost model, where
a higher threshold will allow more inlining.
The default depends on the [opt-level](#opt-level). Current values are between
25 to 275.
The default depends on the [opt-level](#opt-level):
| opt-level | Threshold |
|-----------|-----------|
| 0 | N/A, only inlines always-inline functions |
| 1 | N/A, only inlines always-inline functions and LLVM lifetime intrinsics |
| 2 | 225 |
| 3 | 275 |
| s | 75 |
| z | 25 |
## panic