[all-commits] [llvm/llvm-project] 067c06: [SystemZ] Don't use libcall for 128 bit shifts.

[Jonas Paulsson via All-commits]

  Branch: refs/heads/release/12.x
  Home:   https://github.com/llvm/llvm-project
  Commit: 067c06dc8395a2d79792c0ac4e48c2a79836b46f
      https://github.com/llvm/llvm-project/commit/067c06dc8395a2d79792c0ac4e48c2a79836b46f
  Author: Jonas Paulsson <paulsson at linux.vnet.ibm.com>
  Date:   2021-05-10 (Mon, 10 May 2021)

  Changed paths:
    M llvm/lib/Target/SystemZ/SystemZISelLowering.cpp
    M llvm/test/CodeGen/SystemZ/shift-12.ll

  Log Message:
  -----------
  [SystemZ] Don't use libcall for 128 bit shifts.

Expand 128 bit shifts instead of using a libcall.

This patch removes the 128 bit shift libcalls and thereby causes
ExpandShiftWithUnknownAmountBit() to be called.

Review: Ulrich Weigand

Differential Revision: https://reviews.llvm.org/D101993

(cherry picked from commit 1c4cb510b4daccc0f4763958567affc2b442f317)