[all-commits] [llvm/llvm-project] 18e70a: [llvm][TargetParser] Return StringMap from getHost...

[David Spickett via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 18e70a4d5042299054dae7d3995f6ccd8f4112b3
      https://github.com/llvm/llvm-project/commit/18e70a4d5042299054dae7d3995f6ccd8f4112b3
  Author: David Spickett <david.spickett at linaro.org>
  Date:   2024-07-11 (Thu, 11 Jul 2024)

  Changed paths:
    M clang/lib/Driver/ToolChains/Arch/ARM.cpp
    M clang/lib/Driver/ToolChains/Arch/X86.cpp
    M lldb/utils/lit-cpuid/lit-cpuid.cpp
    M llvm/include/llvm/TargetParser/Host.h
    M llvm/lib/CodeGen/CommandFlags.cpp
    M llvm/lib/ExecutionEngine/Orc/JITTargetMachineBuilder.cpp
    M llvm/lib/Target/TargetMachineC.cpp
    M llvm/lib/TargetParser/Host.cpp

  Log Message:
  -----------
  [llvm][TargetParser] Return StringMap from getHostCPUFeatures (#97824)

Previously this took a reference to a map and returned a bool to say
whether it succeeded. We can return a StringMap instead, as all callers
but 1 simply iterated the map if the bool was true, and passed in empty
maps as the starting point.

lldb's lit-cpuid did specifically check whether the call failed, but due
to the way the x86 routines work this works out the same as checking if
the returned map is empty.



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