[all-commits] [llvm/llvm-project] 5a56a2: [CodeGenPrepare] Make TargetPassConfig required

[Fangrui Song via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 5a56a25b0bd1279c41604a64c6a1bec3815b9b36
      https://github.com/llvm/llvm-project/commit/5a56a25b0bd1279c41604a64c6a1bec3815b9b36
  Author: Fangrui Song <maskray at google.com>
  Date:   2020-02-02 (Sun, 02 Feb 2020)

  Changed paths:
    M llvm/lib/CodeGen/CodeGenPrepare.cpp
    M llvm/test/CodeGen/AArch64/sve-vscale.ll
    R llvm/test/CodeGen/Generic/dont-remove-empty-preheader.ll
    M llvm/test/CodeGen/PowerPC/splitstore-check-volatile.ll
    A llvm/test/CodeGen/X86/dont-remove-empty-preheader.ll
    R llvm/test/DebugInfo/Generic/codegenprep-value.ll
    R llvm/test/DebugInfo/Generic/sunk-compare.ll
    A llvm/test/DebugInfo/X86/codegenprep-value.ll
    A llvm/test/DebugInfo/X86/sunk-compare.ll
    M llvm/test/Other/2007-04-24-eliminate-mostly-empty-blocks.ll
    A llvm/test/Transforms/CodeGenPrepare/X86/bitreverse-hang.ll
    A llvm/test/Transforms/CodeGenPrepare/X86/gep-unmerging.ll
    A llvm/test/Transforms/CodeGenPrepare/X86/invariant.group.ll
    M llvm/test/Transforms/CodeGenPrepare/X86/memset_chk-simplify-nobuiltin.ll
    A llvm/test/Transforms/CodeGenPrepare/X86/split-indirect-loop.ll
    A llvm/test/Transforms/CodeGenPrepare/X86/widenable-condition.ll
    R llvm/test/Transforms/CodeGenPrepare/bitreverse-hang.ll
    R llvm/test/Transforms/CodeGenPrepare/gep-unmerging.ll
    R llvm/test/Transforms/CodeGenPrepare/invariant.group.ll
    R llvm/test/Transforms/CodeGenPrepare/split-indirect-loop.ll
    R llvm/test/Transforms/CodeGenPrepare/widenable-condition.ll

  Log Message:
  -----------
  [CodeGenPrepare] Make TargetPassConfig required

The code paths in the absence of TargetMachine, TargetLowering or
TargetRegisterInfo are poorly tested. As rL285987 said, requiring
TargetPassConfig allows us to delete many (untested) checks littered
everywhere.

Reviewed By: arsenm

Differential Revision: https://reviews.llvm.org/D73754