[PATCH] D51348: CodeGen: Make computeRegisterLiveness consider successors

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added a reviewer: MatzeB.
Herald added subscribers: nhaehnle, wdng, jvesely.
arsenm added dependencies: D51345: AMDGPU: Shrink insts to fold immediates, D51344: AMDGPU: Move canShrink into TII.

If the end of the block is reached during the scan, check
the live ins of the successors. This was already done in the
other direction if the block entry was reached.


https://reviews.llvm.org/D51348

Files:
  lib/CodeGen/MachineBasicBlock.cpp
  test/CodeGen/AMDGPU/fold-immediate-operand-shrink.mir
  test/CodeGen/AMDGPU/split-scalar-i64-add.ll

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