[PATCH] D13749: x86 atomic codegen: don't drop globals

[JF Bastien via llvm-commits]

jfb created this revision.
jfb added a reviewer: pete.
jfb added subscribers: rsmith, majnemer, llvm-commits.

x86 codegen is clever about generating good code for relaxed
floating-point operations, but it was being silly when globals and
immediates were involved, forgetting where the global was and
loading/storing from/to the wrong place.

Don't let it forget about the displacement.

This fixes https://llvm.org/bugs/show_bug.cgi?id=25171

http://reviews.llvm.org/D13749

Files:
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/X86/atomic_mi.ll

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