[all-commits] [llvm/llvm-project] 1d8a94: [AMDGPU] SILowerControlFlow: fix preservation of L...

[Carl Ritson via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1d8a94c4ffe758c4e9e81e63309d4a52a4db4356
      https://github.com/llvm/llvm-project/commit/1d8a94c4ffe758c4e9e81e63309d4a52a4db4356
  Author: Carl Ritson <carl.ritson at amd.com>
  Date:   2023-09-11 (Mon, 11 Sep 2023)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SILowerControlFlow.cpp
    M llvm/test/CodeGen/AMDGPU/collapse-endcf.mir
    A llvm/test/CodeGen/AMDGPU/lower-control-flow-live-intervals.mir

  Log Message:
  -----------
  [AMDGPU] SILowerControlFlow: fix preservation of LiveIntervals

In emitElse live interval for SI_ELSE source must be recalculated
as SI_ELSE is removed, and new user is placed at block start.
In emitIfBreak live interval for new created AndReg must be
computed.

Reviewed By: arsenm

Differential Revision: https://reviews.llvm.org/D158141