[PATCH] D41043: Support for an intrinsic "fake.use" (and corresponding operand) representing a use of an operand to aid debugging

[Wolfgang Pieb via Phabricator via llvm-commits]

wolfgangp updated this revision to Diff 175295.
wolfgangp added a comment.
Herald added a subscriber: javed.absar.

Rebased on r347573 with some test cases and bugfixes.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D41043/new/

https://reviews.llvm.org/D41043

Files:
  include/llvm/Analysis/PtrUseVisitor.h
  include/llvm/CodeGen/ISDOpcodes.h
  include/llvm/CodeGen/MachineInstr.h
  include/llvm/CodeGen/SelectionDAGISel.h
  include/llvm/IR/Intrinsics.td
  include/llvm/Support/TargetOpcodes.def
  include/llvm/Target/Target.td
  lib/Analysis/ValueTracking.cpp
  lib/CodeGen/Analysis.cpp
  lib/CodeGen/AsmPrinter/AsmPrinter.cpp
  lib/CodeGen/CodeGenPrepare.cpp
  lib/CodeGen/DeadMachineInstructionElim.cpp
  lib/CodeGen/MachineCSE.cpp
  lib/CodeGen/PostRASchedulerList.cpp
  lib/CodeGen/SelectionDAG/FastISel.cpp
  lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
  lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
  lib/CodeGen/SelectionDAG/LegalizeTypes.h
  lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp
  lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
  lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
  lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp
  lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
  lib/IR/Verifier.cpp
  lib/Target/X86/X86FloatingPoint.cpp
  lib/Transforms/Utils/CloneFunction.cpp
  lib/Transforms/Utils/Local.cpp
  lib/Transforms/Utils/PromoteMemoryToRegister.cpp
  test/CodeGen/ARM/fake-use-longlong.ll
  test/CodeGen/Generic/fake-use-constprop.ll
  test/CodeGen/Generic/fake-use-tailcall.ll
  test/CodeGen/X86/fake-use-escape.ll
  test/CodeGen/X86/fake-use-hpfloat.ll
  test/CodeGen/X86/fake-use-ld.ll
  test/CodeGen/X86/fake-use-vector.ll
  test/CodeGen/X86/fake-use-vector2.ll
  test/DebugInfo/X86/Inputs/check-fake-use.py
  test/DebugInfo/X86/fake-use.ll

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