Fix loop-vectorizations being enabled by default with -Oz and -O1 - #5253
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kinke wants to merge 1 commit into
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Fix loop-vectorizations being enabled by default with -Oz and -O1#5253kinke wants to merge 1 commit into
kinke wants to merge 1 commit into
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kinke
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Aug 4, 2026
| pto.LoopVectorization = | ||
| !disableLoopVectorization && optLevelVal > 1 && sizeLevelVal < 2; | ||
| // SLP vectorizer enabled with -Oz | ||
| pto.SLPVectorization = !disableSLPVectorization && optLevelVal > 1; |
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Do we want the users to be able to enforce these optimizations, via -disable-…=false?
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seems pretty niche to me...
kinke
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And enable the SLP vectorizations with -Oz. Resolves ldc-developers#5233. Also drop `-vectorize-{loops,slp}` inherited from LLVM, which conflict with our dedicated switches.
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And enable the SLP vectorizations with -Oz. Resolves #5233.
Also drop
-vectorize-{loops,slp}inherited from LLVM, which conflict with our dedicated switches.