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[SR-13487] SwiftPM: Allow customizing optimization level #4502

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benlangmuir opened this issue Sep 1, 2020 · 1 comment
Open

[SR-13487] SwiftPM: Allow customizing optimization level #4502

benlangmuir opened this issue Sep 1, 2020 · 1 comment
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@benlangmuir
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Previous ID SR-13487
Radar rdar://problem/68172740
Original Reporter @benlangmuir
Type Bug
Environment

5.3, Xcode 12

Additional Detail from JIRA
Votes 0
Component/s Package Manager
Labels Bug
Assignee None
Priority Medium

md5: b1aca7b2908f3273e1e306847e76442d

Issue Description:

Currently swift build -c release uses -O for swift and -O2 for C, and building a package in Xcode uses -O for swift and -Os for C.

We should be able to customize the optimization level of release builds.

Swift supports:

-Onone, -O, -Osize, -Ounchecked
-whole-module-optimization, -no-whole-module-optimization

Clang supports:

-O0, -O1, -O2, -O3, -Ofast, -Os, -Oz, -Og
-flto, -flto=full, -flto=thin
@benlangmuir
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@swift-ci create

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@shahmishal shahmishal transferred this issue from apple/swift May 4, 2022
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@tomerd @benlangmuir