[PATCH] D80163: [X86][VARARG] Avoid spilling xmm registers for va_start.

[Alexey Lapshin via Phabricator via llvm-commits]

avl updated this revision to Diff 325391.
avl added a comment.

moved control-flow expansion for VASTART_SAVE_XMM_REGS until after regalloc.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D80163/new/

https://reviews.llvm.org/D80163

Files:
  llvm/lib/Target/X86/X86ExpandPseudo.cpp
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/lib/Target/X86/X86ISelLowering.h
  llvm/lib/Target/X86/X86InstrCompiler.td
  llvm/test/CodeGen/X86/musttail-varargs.ll
  llvm/test/CodeGen/X86/vastart-defs-eflags.ll
  llvm/test/CodeGen/X86/x32-va_start.ll
  llvm/test/CodeGen/X86/x86-64-varargs.ll
  llvm/test/CodeGen/X86/xmm-vararg-noopt.ll

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