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[AMDGPU][GISel] RegBankLegalize rules for update_dpp (#190662)

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Chinmay Deshpande 2026-04-06 13:52:10 -07:00 committed by GitHub
parent 89665812f5
commit 9033e872fd
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GPG Key ID: B5690EEEBB952194
3 changed files with 8 additions and 4 deletions
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4
llvm/lib/Target/AMDGPU/AMDGPURegBankLegalizeRules.cpp
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@ -1717,6 +1717,10 @@ RegBankLegalizeRules::RegBankLegalizeRules(const GCNSubtarget &_ST,
.Div(B32, {{VgprB32}, {IntrId, VgprB32}})
.Div(B64, {{VgprB64}, {IntrId, VgprB64}});
addRulesForIOpcs({amdgcn_update_dpp}, StandardB)
.Div(B32, {{VgprB32}, {IntrId, VgprB32, VgprB32}})
.Div(B64, {{VgprB64}, {IntrId, VgprB64, VgprB64}});
addRulesForIOpcs({amdgcn_sin, amdgcn_cos}, Standard)
.Div(S16, {{Vgpr16}, {IntrId, Vgpr16}})
.Uni(S16, {{UniInVgprS16}, {IntrId, Vgpr16}})

6
llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.update.dpp.ll
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@ -1,7 +1,7 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -global-isel -mtriple=amdgcn -mcpu=tonga -amdgpu-dpp-combine=false < %s | FileCheck -check-prefix=GFX8 %s
; RUN: llc -global-isel -mtriple=amdgcn -mcpu=gfx1010 -amdgpu-dpp-combine=false < %s | FileCheck -check-prefix=GFX10 %s
; RUN: llc -global-isel -mtriple=amdgcn -mcpu=gfx1100 -amdgpu-enable-delay-alu=0 -amdgpu-dpp-combine=false < %s | FileCheck -check-prefix=GFX11 %s
; RUN: llc -global-isel -new-reg-bank-select -mtriple=amdgcn -mcpu=tonga -amdgpu-dpp-combine=false < %s | FileCheck -check-prefix=GFX8 %s
; RUN: llc -global-isel -new-reg-bank-select -mtriple=amdgcn -mcpu=gfx1010 -amdgpu-dpp-combine=false < %s | FileCheck -check-prefix=GFX10 %s
; RUN: llc -global-isel -new-reg-bank-select -mtriple=amdgcn -mcpu=gfx1100 -amdgpu-enable-delay-alu=0 -amdgpu-dpp-combine=false < %s | FileCheck -check-prefix=GFX11 %s
define amdgpu_kernel void @dpp_test(ptr addrspace(1) %out, i32 %in1, i32 %in2) {
; GFX8-LABEL: dpp_test:

2
llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-amdgcn.update.dpp.mir
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@ -1,5 +1,5 @@
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn -mcpu=fiji -run-pass=regbankselect -regbankselect-fast -verify-machineinstrs %s -o - | FileCheck %s
# RUN: llc -mtriple=amdgcn -mcpu=fiji -run-pass='amdgpu-regbankselect,amdgpu-regbanklegalize' %s -o - | FileCheck %s
---
name: update_dpp_ss