[all-commits] [llvm/llvm-project] 46db60: AMDGPU: Avoid folding 2 constant operands into an ...

[David Stuttard via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 46db60683422180688bff0737142c343ba28e7cb
      https://github.com/llvm/llvm-project/commit/46db60683422180688bff0737142c343ba28e7cb
  Author: David Stuttard <david.stuttard at amd.com>
  Date:   2019-12-04 (Wed, 04 Dec 2019)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SIFoldOperands.cpp
    A llvm/test/CodeGen/AMDGPU/fold-sgpr-multi-imm.mir

  Log Message:
  -----------
  AMDGPU: Avoid folding 2 constant operands into an SALU operation

Summary:
Catch the (admittedly unusual) case where SIFoldOperands attempts to fold 2
constant operands into the same SALU operation, with neither operand able to be
encoded as an inline constant.

Change-Id: Ibc48d662c9ffd8bbacd154976b0b1c257ace0927

Subscribers: arsenm, kzhuravl, jvesely, wdng, nhaehnle, yaxunl, tpr, t-tye, hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D70896