[all-commits] [llvm/llvm-project] 8e6108: [Matrix] Place allocas in function entry. (#190032)

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8e61085291c6f41815a7f1af4702807e61c2bf3f
      https://github.com/llvm/llvm-project/commit/8e61085291c6f41815a7f1af4702807e61c2bf3f
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2026-04-02 (Thu, 02 Apr 2026)

  Changed paths:
    M llvm/lib/Transforms/Scalar/LowerMatrixIntrinsics.cpp
    M llvm/test/Transforms/LowerMatrixIntrinsics/data-layout-multiply-fused.ll
    M llvm/test/Transforms/LowerMatrixIntrinsics/multiply-fused-differing-addr-spaces.ll
    M llvm/test/Transforms/LowerMatrixIntrinsics/multiply-fused-dominance.ll
    M llvm/test/Transforms/LowerMatrixIntrinsics/multiply-fused-loops.ll
    M llvm/test/Transforms/LowerMatrixIntrinsics/multiply-fused-multiple-blocks.ll
    M llvm/test/Transforms/LowerMatrixIntrinsics/multiply-fused.ll

  Log Message:
  -----------
  [Matrix] Place allocas in function entry. (#190032)

Create allocas for temporary matrixes in the function entry. Limit the
lifetime via lifetime.start & lifetime.end. This avoids dynamic allocas.

Improvement suggested in
https://github.com/llvm/llvm-project/pull/188721.

PR: https://github.com/llvm/llvm-project/pull/190032



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