[all-commits] [llvm/llvm-project] 4140ea: [AMDGPU][GlobalISel] Add RegBankLegalize rules for...

Anshil Gandhi via All-commits all-commits at lists.llvm.org
Thu Mar 26 07:08:02 PDT 2026


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4140ea18f537a67752c918499e2e71dde4721abf
      https://github.com/llvm/llvm-project/commit/4140ea18f537a67752c918499e2e71dde4721abf
  Author: Anshil Gandhi <95053726+gandhi56 at users.noreply.github.com>
  Date:   2026-03-26 (Thu, 26 Mar 2026)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPURegBankLegalizeRules.cpp
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane16.var.ll

  Log Message:
  -----------
  [AMDGPU][GlobalISel] Add RegBankLegalize rules for permlane16_var/permlanex16_var (#187806)

Add register bank legalize rules for the amdgcn_permlane16_var and
amdgcn_permlanex16_var intrinsics. All register operands (result, old,
src0, src1) map to VGPR since these are VALU lane permutation
operations.

Enable -new-reg-bank-select in the permlane16.var test.



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