[PATCH] D41972: Revert r322279 due to Skylake miscompile.

David L. Jones via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Jan 11 16:16:03 PST 2018


dlj created this revision.
Herald added a subscriber: sanjoy.

This revision causes Skylake (and apparently, only Skylake) codegen to fail in
certain cases. Details: https://bugs.llvm.org/show_bug.cgi?id=35918


https://reviews.llvm.org/D41972

Files:
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/X86/2011-12-8-bitcastintprom.ll
  test/CodeGen/X86/pmul.ll
  test/CodeGen/X86/promote-vec3.ll
  test/CodeGen/X86/psubus.ll
  test/CodeGen/X86/vector-compare-results.ll
  test/CodeGen/X86/vector-sext.ll
  test/CodeGen/X86/widen_load-2.ll

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