[all-commits] [llvm/llvm-project] 2c429b: WebAssembly: Don't duplicate implicit CALL operand...

[Matt Arsenault via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2c429b568e1ffa1ee7e88444fac6375d46c5d979
      https://github.com/llvm/llvm-project/commit/2c429b568e1ffa1ee7e88444fac6375d46c5d979
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2026-09-21 (Mon, 21 Sep 2026)

  Changed paths:
    M llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp

  Log Message:
  -----------
  WebAssembly: Don't duplicate implicit CALL operands in LowerCallResults (#225069)

When recombining the CALL_PARAMS/CALL_RESULTS pseudo-pair into a real
CALL, LowerCallResults copied CallParams.uses() onto the new instruction.
uses() includes the implicit operands (implicit-def $arguments and the implicit
$sp32/$sp64 uses), which the freshly created CALL already carries. This
resulted in a duplicated implicit-def of $arguments. This avoids a
future verifier error.

Co-authored-by: Claude (Claude-Opus-4.8) <noreply at anthropic.com>



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