[all-commits] [llvm/llvm-project] 4a59ee: [ARM][ConstantIslands] Correct block size update

[Sam Parker via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 4a59eedd2d1d942a30f6ba016168c6430f9c165c
      https://github.com/llvm/llvm-project/commit/4a59eedd2d1d942a30f6ba016168c6430f9c165c
  Author: Sam Parker <sam.parker at arm.com>
  Date:   2019-11-26 (Tue, 26 Nov 2019)

  Changed paths:
    M llvm/lib/Target/ARM/ARMConstantIslandPass.cpp
    A llvm/test/CodeGen/Thumb2/LowOverheadLoops/out-of-range-cbz.mir

  Log Message:
  -----------
  [ARM][ConstantIslands] Correct block size update

When inserting a non-decrementing LE, the basic block was being
resized to take into consideration that a tCMP and tBcc had been
combined into one T1 instruction. This is not true in the LE case
where we generate a CBN?Z and an LE.

Differential Revision: https://reviews.llvm.org/D70536