[all-commits] [llvm/llvm-project] 96dfc7: [BreakFalseDeps][X86] Move operand loop out of X86...

[topperc via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 96dfc783b2bf2eca9b01c6b2161a375cc3ea704d
      https://github.com/llvm/llvm-project/commit/96dfc783b2bf2eca9b01c6b2161a375cc3ea704d
  Author: Craig Topper <craig.topper at intel.com>
  Date:   2020-08-10 (Mon, 10 Aug 2020)

  Changed paths:
    M llvm/include/llvm/CodeGen/TargetInstrInfo.h
    M llvm/lib/CodeGen/BreakFalseDeps.cpp
    M llvm/lib/Target/X86/X86InstrInfo.cpp
    M llvm/lib/Target/X86/X86InstrInfo.h

  Log Message:
  -----------
  [BreakFalseDeps][X86] Move operand loop out of X86's getUndefRegClearance and put in the pass.

X86 is the only user of this interface in tree. Previously the
X86 pass would loop over operands looking for one undef operand for
the pass to fix. But there could theoretically be multiple operands
to fix. So it makes more sense for the pass to do the looping and
ask the target if an operand needs to be fixed.