[llvm] X86: Mark eflags clobbers dead in va_arg expansion (PR #227197)

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llvmorg-github-actions[bot] wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-x86

Author: Matt Arsenault (arsenm)

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<summary>Changes</summary>

Co-Authored-By: Claude Opus 5 [noreply@<!-- -->anthropic.com](mailto:noreply@<!-- -->anthropic.com)

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Full diff: https://github.com/llvm/llvm-project/pull/227197.diff


1 Files Affected:

- (modified) llvm/lib/Target/X86/X86ISelLowering.cpp (+13-7) 


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https://github.com/llvm/llvm-project/pull/227197