[all-commits] [llvm/llvm-project] e7c9a9: [LoongArch] Implement isSExtCheaperThanZExt

[hev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e7c9a99dfe21bac8028375a52e3ce1db5c8924f0
      https://github.com/llvm/llvm-project/commit/e7c9a99dfe21bac8028375a52e3ce1db5c8924f0
  Author: WANG Rui <wangrui at loongson.cn>
  Date:   2023-07-25 (Tue, 25 Jul 2023)

  Changed paths:
    M llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp
    M llvm/lib/Target/LoongArch/LoongArchISelLowering.h
    M llvm/test/CodeGen/LoongArch/atomicrmw-uinc-udec-wrap.ll
    M llvm/test/CodeGen/LoongArch/duplicate-returns-for-tailcall.ll
    M llvm/test/CodeGen/LoongArch/get-setcc-result-type.ll
    M llvm/test/CodeGen/LoongArch/ir-instruction/atomic-cmpxchg.ll
    M llvm/test/CodeGen/LoongArch/ir-instruction/br.ll
    M llvm/test/CodeGen/LoongArch/jump-table.ll
    M llvm/test/CodeGen/LoongArch/nomerge.ll
    M llvm/test/CodeGen/LoongArch/sext-cheaper-than-zext.ll
    M llvm/test/CodeGen/LoongArch/shrinkwrap.ll
    M llvm/test/CodeGen/LoongArch/spill-ra-without-kill.ll
    M llvm/test/CodeGen/LoongArch/tail-calls.ll

  Log Message:
  -----------
  [LoongArch] Implement isSExtCheaperThanZExt

Implement isSExtCheaperThanZExt.

Signed-off-by: WANG Rui <wangrui at loongson.cn>

Differential Revision: https://reviews.llvm.org/D154919