[all-commits] [llvm/llvm-project] 6640b0: [WebAssembly] Add patterns for relaxed madd (#147487)

[jjasmine via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6640b0a293c07c9a6e4ea3476453781f979726b7
      https://github.com/llvm/llvm-project/commit/6640b0a293c07c9a6e4ea3476453781f979726b7
  Author: jjasmine <jjasmine at igalia.com>
  Date:   2025-07-15 (Tue, 15 Jul 2025)

  Changed paths:
    M llvm/include/llvm/Target/TargetSelectionDAG.td
    M llvm/lib/Target/ARM/ARMInstrInfo.td
    M llvm/lib/Target/WebAssembly/WebAssemblyInstrSIMD.td
    A llvm/test/CodeGen/WebAssembly/simd-relaxed-fma.ll

  Log Message:
  -----------
  [WebAssembly] Add patterns for relaxed madd (#147487)

[WebAssembly] Fold fadd contract (fmul contract) to relaxed madd w/
-mattr=+simd128,+relaxed-simd

Fixes #121311

- Precommit test for #121311
- Fold fadd contract (fmul contract) to relaxed madd w/
-mattr=+simd128,+relaxed-simd
- Move PatFrag of fadd_contract in ARM.td and WebAssembly.td to
TargetSelectionDAG.td for reuse of pattern



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