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AMDGPU/GlobalISel: RegBankLegalize rules for s_setprio/sethalt/nop (#186244)

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vangthao95 2026-03-13 11:33:59 -07:00 committed by GitHub
parent bd72413d84
commit eda72ddeae
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4 changed files with 7 additions and 4 deletions
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3
llvm/lib/Target/AMDGPU/AMDGPURegBankLegalizeRules.cpp
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@ -1463,6 +1463,9 @@ RegBankLegalizeRules::RegBankLegalizeRules(const GCNSubtarget &_ST,
// readfirstlaning just in case register is not in sgpr.
.Any({{UniS32, _, UniS32}, {{}, {Sgpr32, None, Vgpr32}}});
addRulesForIOpcs({amdgcn_s_setprio, amdgcn_s_sethalt, amdgcn_s_nop})
.Any({{}, {{}, {IntrId, Imm}}});
addRulesForIOpcs({amdgcn_s_sleep}).Any({{_, _}, {{}, {IntrId, Imm}}});
addRulesForIOpcs({amdgcn_bitop3}, Standard)

2
llvm/test/CodeGen/AMDGPU/llvm.amdgcn.s.nop.ll
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@ -1,6 +1,6 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=amdgcn -mcpu=gfx900 < %s | FileCheck -check-prefix=GCN %s
; RUN: llc -global-isel -mtriple=amdgcn -mcpu=gfx900 < %s | FileCheck -check-prefix=GCN %s
; RUN: llc -global-isel -new-reg-bank-select -mtriple=amdgcn -mcpu=gfx900 < %s | FileCheck -check-prefix=GCN %s
define amdgpu_kernel void @test_s_nop() {
; GCN-LABEL: test_s_nop:

2
llvm/test/CodeGen/AMDGPU/llvm.amdgcn.s.sethalt.ll
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@ -1,6 +1,6 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=amdgcn -mcpu=gfx900 < %s | FileCheck -check-prefix=GCN %s
; RUN: llc -global-isel -mtriple=amdgcn -mcpu=gfx900 < %s | FileCheck -check-prefix=GCN %s
; RUN: llc -global-isel -new-reg-bank-select -mtriple=amdgcn -mcpu=gfx900 < %s | FileCheck -check-prefix=GCN %s
define amdgpu_kernel void @test_s_sethalt() {
; GCN-LABEL: test_s_sethalt:

4
llvm/test/CodeGen/AMDGPU/llvm.amdgcn.s.setprio.ll
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@ -1,8 +1,8 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=amdgcn -mcpu=gfx90a -show-mc-encoding < %s | FileCheck -check-prefix=GFX9 %s
; RUN: llc -mtriple=amdgcn -show-mc-encoding < %s | FileCheck -check-prefix=SI %s
; RUN: llc -global-isel -mtriple=amdgcn -show-mc-encoding < %s | FileCheck -check-prefix=SI %s
; RUN: llc -global-isel -mtriple=amdgcn -mcpu=gfx90a -show-mc-encoding < %s | FileCheck -check-prefix=GFX9 %s
; RUN: llc -global-isel -new-reg-bank-select -mtriple=amdgcn -show-mc-encoding < %s | FileCheck -check-prefix=SI %s
; RUN: llc -global-isel -new-reg-bank-select -mtriple=amdgcn -mcpu=gfx90a -show-mc-encoding < %s | FileCheck -check-prefix=GFX9 %s
declare void @llvm.amdgcn.s.setprio(i16) #0