Store local field coalesce#126178

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AndyAyersMS wants to merge 27 commits intodotnet:mainfrom

AndyAyersMS:StoreLocalFieldCoalesce

Commits on Mar 26, 2026

JIT: Coalesce adjacent STORE_LCL_FLD nodes

AndyAyersMS
and
Copilot
committed
JIT: Add heuristic for non-constant STORE_LCL_FLD coalescing

AndyAyersMS
and
Copilot
committed
JIT: Fold narrow constant stores into preceding wider zero-init

AndyAyersMS
and
Copilot
committed
JIT: Generalize narrow-into-wide fold beyond zero-init

AndyAyersMS
and
Copilot
committed
JIT: Bypass constant store+load for last-use locals

AndyAyersMS
and
Copilot
committed
JIT: Revert store-load bypass due to correctness issue

AndyAyersMS
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Copilot
committed
Revert "JIT: Revert store-load bypass due to correctness issue"
AndyAyersMS
committed
tweak; format
AndyAyersMS
committed
JIT: Fix store-load bypass with GTF_ICON_STRUCT_INIT_VAL flag

AndyAyersMS
and
Copilot
committed
JIT: Relax store-load bypass to not require last use

AndyAyersMS
and
Copilot
committed
JIT: Support partial constant forwarding in store-load bypass

AndyAyersMS
and
Copilot
committed
JIT: Remove partial forward debug trace

AndyAyersMS
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committed
JIT: Skip store-load bypass for address-exposed locals

AndyAyersMS
and
Copilot
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format, fix comments
AndyAyersMS
committed
JIT: Extract store-forwarding into TryForwardConstantStoreLclFld helper

AndyAyersMS
and
Copilot
committed
JIT: Remove unnecessary IsInvariantInRange check from store forwarding

AndyAyersMS
and
Copilot
committed
JIT: Extract non-constant coalescing into TryCoalesceNonConstStoreLclFld

AndyAyersMS
and
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committed
JIT: Fix formatting via jit-format

AndyAyersMS
and
Copilot
committed
JIT: Remove redundant control flow boundary checks from scan loops

AndyAyersMS
and
Copilot
committed
JIT: Fix store forwarding for small types and struct reads

AndyAyersMS
and
Copilot
committed

Commits on Mar 27, 2026

Commits on Mar 28, 2026

JIT: Remove overly broad address-exposed coalescing restriction

AndyAyersMS
and
Copilot
committed

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Store local field coalesce#126178

Store local field coalesce#126178
AndyAyersMS wants to merge 27 commits intodotnet:mainfrom
AndyAyersMS:StoreLocalFieldCoalesce

Commits on Mar 26, 2026

JIT: Coalesce adjacent STORE_LCL_FLD nodes

JIT: Add heuristic for non-constant STORE_LCL_FLD coalescing

JIT: Fold narrow constant stores into preceding wider zero-init

JIT: Generalize narrow-into-wide fold beyond zero-init

JIT: Bypass constant store+load for last-use locals

JIT: Revert store-load bypass due to correctness issue

Revert "JIT: Revert store-load bypass due to correctness issue"

tweak; format

JIT: Fix store-load bypass with GTF_ICON_STRUCT_INIT_VAL flag

JIT: Relax store-load bypass to not require last use

JIT: Support partial constant forwarding in store-load bypass

JIT: Remove partial forward debug trace

JIT: Skip store-load bypass for address-exposed locals

format, fix comments

JIT: Extract store-forwarding into TryForwardConstantStoreLclFld helper

JIT: Remove unnecessary IsInvariantInRange check from store forwarding

JIT: Extract non-constant coalescing into TryCoalesceNonConstStoreLclFld

JIT: Fix formatting via jit-format

JIT: Remove redundant control flow boundary checks from scan loops

JIT: Fix store forwarding for small types and struct reads

Commits on Mar 27, 2026

JIT: Address PR review feedback

JIT: Change GTF_ICON_STRUCT_INIT_VAL bit to avoid conflict

JIT: Restrict store forwarding to integral-typed reads only

JIT: ABI-aware struct forwarding in TryForwardConstantStoreLclFld

JIT: Enable struct forwarding on all platforms

JIT: Address second round of PR review feedback

Commits on Mar 28, 2026

JIT: Remove overly broad address-exposed coalescing restriction