[all-commits] [llvm/llvm-project] b3dcd1: [ARM] Define ComplexPatternFuncMutatesDAG

[David Green via All-commits]

  Branch: refs/heads/release/13.x
  Home:   https://github.com/llvm/llvm-project
  Commit: b3dcd156472fbea65dd002cd670c5ae96de0d438
      https://github.com/llvm/llvm-project/commit/b3dcd156472fbea65dd002cd670c5ae96de0d438
  Author: David Green <david.green at arm.com>
  Date:   2022-01-20 (Thu, 20 Jan 2022)

  Changed paths:
    M llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp
    M llvm/test/CodeGen/ARM/shifter_operand.ll

  Log Message:
  -----------
  [ARM] Define ComplexPatternFuncMutatesDAG

Some of the Arm complex pattern functions call canExtractShiftFromMul,
which can modify the DAG in-place. For this to be valid and handled
successfully we need to define ComplexPatternFuncMutatesDAG.

Differential Revision: https://reviews.llvm.org/D107476

(cherry picked from commit 77e8f4eeeeed516a1c79365a4b8128da463d96c4)