Index: llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp =================================================================== --- llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp +++ llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp @@ -765,7 +765,7 @@ } if (AMDGPU::SReg_32RegClass.contains(Reg) || - AMDGPU::SGPR_LO16RegClass.contains(Reg) || + AMDGPU::SReg_LO16RegClass.contains(Reg) || AMDGPU::SGPR_HI16RegClass.contains(Reg)) { assert(!AMDGPU::TTMP_32RegClass.contains(Reg) && "trap handler registers should not be used"); Index: llvm/lib/Target/AMDGPU/AMDGPURegisterBanks.td =================================================================== --- llvm/lib/Target/AMDGPU/AMDGPURegisterBanks.td +++ llvm/lib/Target/AMDGPU/AMDGPURegisterBanks.td @@ -7,7 +7,7 @@ //===----------------------------------------------------------------------===// def SGPRRegBank : RegisterBank<"SGPR", - [SGPR_LO16, SReg_32, SReg_64, SReg_128, SReg_160, SReg_192, SReg_256, SReg_512, SReg_1024] + [SReg_LO16, SReg_32, SReg_64, SReg_128, SReg_160, SReg_192, SReg_256, SReg_512, SReg_1024] >; def VGPRRegBank : RegisterBank<"VGPR", Index: llvm/lib/Target/AMDGPU/SIInstrInfo.cpp =================================================================== --- llvm/lib/Target/AMDGPU/SIInstrInfo.cpp +++ llvm/lib/Target/AMDGPU/SIInstrInfo.cpp @@ -678,21 +678,20 @@ return; } - if (RC == &AMDGPU::VGPR_LO16RegClass || RC == &AMDGPU::VGPR_HI16RegClass || - RC == &AMDGPU::SGPR_LO16RegClass) { + if (RI.getRegSizeInBits(*RC) == 16) { assert(AMDGPU::VGPR_LO16RegClass.contains(SrcReg) || AMDGPU::VGPR_HI16RegClass.contains(SrcReg) || - AMDGPU::SGPR_LO16RegClass.contains(SrcReg)); + AMDGPU::SReg_LO16RegClass.contains(SrcReg)); - bool IsSGPRDst = AMDGPU::SGPR_LO16RegClass.contains(DestReg); - bool IsSGPRSrc = AMDGPU::SGPR_LO16RegClass.contains(SrcReg); - bool DstLow = (RC == &AMDGPU::VGPR_LO16RegClass || - RC == &AMDGPU::SGPR_LO16RegClass); + bool IsSGPRDst = AMDGPU::SReg_LO16RegClass.contains(DestReg); + bool IsSGPRSrc = AMDGPU::SReg_LO16RegClass.contains(SrcReg); + bool DstLow = AMDGPU::VGPR_LO16RegClass.contains(DestReg) || + AMDGPU::SReg_LO16RegClass.contains(DestReg); bool SrcLow = AMDGPU::VGPR_LO16RegClass.contains(SrcReg) || - AMDGPU::SGPR_LO16RegClass.contains(SrcReg); - const TargetRegisterClass *DstRC = IsSGPRDst ? &AMDGPU::SGPR_32RegClass + AMDGPU::SReg_LO16RegClass.contains(SrcReg); + const TargetRegisterClass *DstRC = IsSGPRDst ? &AMDGPU::SReg_32RegClass : &AMDGPU::VGPR_32RegClass; - const TargetRegisterClass *SrcRC = IsSGPRSrc ? &AMDGPU::SGPR_32RegClass + const TargetRegisterClass *SrcRC = IsSGPRSrc ? &AMDGPU::SReg_32RegClass : &AMDGPU::VGPR_32RegClass; MCRegister NewDestReg = RI.getMatchingSuperReg(DestReg, DstLow ? AMDGPU::lo16 : AMDGPU::hi16, Index: llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp =================================================================== --- llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp +++ llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp @@ -263,6 +263,14 @@ reserveRegisterTuples(Reserved, Reg); } + for (auto Reg : AMDGPU::SReg_32RegClass) { + Reserved.set(getSubReg(Reg, AMDGPU::hi16)); + Register Low = getSubReg(Reg, AMDGPU::lo16); + // This is to prevent BB vcc liveness errors. + if (!AMDGPU::SGPR_LO16RegClass.contains(Low)) + Reserved.set(Low); + } + // Reserve all the rest AGPRs if there are no instructions to use it. if (!ST.hasMAIInsts()) { for (unsigned i = 0; i < MaxNumVGPRs; ++i) { @@ -1365,7 +1373,7 @@ static const TargetRegisterClass *const BaseClasses[] = { &AMDGPU::VGPR_LO16RegClass, &AMDGPU::VGPR_HI16RegClass, - &AMDGPU::SGPR_LO16RegClass, + &AMDGPU::SReg_LO16RegClass, &AMDGPU::VGPR_32RegClass, &AMDGPU::SReg_32RegClass, &AMDGPU::AGPR_32RegClass, Index: llvm/lib/Target/AMDGPU/SIRegisterInfo.td =================================================================== --- llvm/lib/Target/AMDGPU/SIRegisterInfo.td +++ llvm/lib/Target/AMDGPU/SIRegisterInfo.td @@ -123,25 +123,41 @@ class SIReg regIdx = 0> : Register { let Namespace = "AMDGPU"; - - // This is the not yet the complete register encoding. An additional - // bit is set for VGPRs. let HWEncoding = regIdx; } -class SIRegWithSubRegs subregs, bits<16> regIdx = 0> : +class SIRegWithSubRegs subregs, bits<16> regIdx> : RegisterWithSubRegs { - let Namespace = "AMDGPU"; +} - // This is the not yet the complete register encoding. An additional - // bit is set for VGPRs. - let HWEncoding = regIdx; - let CoveredBySubRegs = 1; +multiclass SIRegLoHi16 regIdx, bit ArtificialHigh = 1, + bit HWEncodingHigh = 0> { + // There is no special encoding for 16 bit subregs, these are not real + // registers but rather operands for instructions preserving other 16 bits + // of the result or reading just 16 bits of a 32 bit VGPR. + // It is encoded as a corresponding 32 bit register. + // Non-VGPR register classes use it as we need to have matching subregisters + // to move instructions and data between ALUs. + def _LO16 : SIReg { + let HWEncoding{8} = HWEncodingHigh; + } + def _HI16 : SIReg { + let isArtificial = ArtificialHigh; + let HWEncoding{8} = HWEncodingHigh; + } + def "" : RegisterWithSubRegs(NAME#"_LO16"), + !cast(NAME#"_HI16")]> { + let Namespace = "AMDGPU"; + let SubRegIndices = [lo16, hi16]; + let CoveredBySubRegs = !if(ArtificialHigh,0,1); + let HWEncoding = regIdx; + let HWEncoding{8} = HWEncodingHigh; + } } // Special Registers -def VCC_LO : SIReg<"vcc_lo", 106>; -def VCC_HI : SIReg<"vcc_hi", 107>; +defm VCC_LO : SIRegLoHi16<"vcc_lo", 106>; +defm VCC_HI : SIRegLoHi16<"vcc_hi", 107>; // Pseudo-registers: Used as placeholders during isel and immediately // replaced, never seeing the verifier. @@ -164,8 +180,8 @@ let HWEncoding = 106; } -def EXEC_LO : SIReg<"exec_lo", 126>, DwarfRegNum<[1, 1]>; -def EXEC_HI : SIReg<"exec_hi", 127>; +defm EXEC_LO : SIRegLoHi16<"exec_lo", 126>, DwarfRegNum<[1, 1]>; +defm EXEC_HI : SIRegLoHi16<"exec_hi", 127>; def EXEC : RegisterWithSubRegs<"exec", [EXEC_LO, EXEC_HI]>, DwarfRegNum<[17, 1]> { let Namespace = "AMDGPU"; @@ -175,22 +191,22 @@ // 32-bit real registers, for MC only. // May be used with both 32-bit and 64-bit operands. -def SRC_VCCZ : SIReg<"src_vccz", 251>; -def SRC_EXECZ : SIReg<"src_execz", 252>; -def SRC_SCC : SIReg<"src_scc", 253>; +defm SRC_VCCZ : SIRegLoHi16<"src_vccz", 251>; +defm SRC_EXECZ : SIRegLoHi16<"src_execz", 252>; +defm SRC_SCC : SIRegLoHi16<"src_scc", 253>; // 1-bit pseudo register, for codegen only. // Should never be emitted. def SCC : SIReg<"scc">; -def M0 : SIReg <"m0", 124>; -def SGPR_NULL : SIReg<"null", 125>; +defm M0 : SIRegLoHi16 <"m0", 124>; +defm SGPR_NULL : SIRegLoHi16 <"null", 125>; -def SRC_SHARED_BASE : SIReg<"src_shared_base", 235>; -def SRC_SHARED_LIMIT : SIReg<"src_shared_limit", 236>; -def SRC_PRIVATE_BASE : SIReg<"src_private_base", 237>; -def SRC_PRIVATE_LIMIT : SIReg<"src_private_limit", 238>; -def SRC_POPS_EXITING_WAVE_ID : SIReg<"src_pops_exiting_wave_id", 239>; +defm SRC_SHARED_BASE : SIRegLoHi16<"src_shared_base", 235>; +defm SRC_SHARED_LIMIT : SIRegLoHi16<"src_shared_limit", 236>; +defm SRC_PRIVATE_BASE : SIRegLoHi16<"src_private_base", 237>; +defm SRC_PRIVATE_LIMIT : SIRegLoHi16<"src_private_limit", 238>; +defm SRC_POPS_EXITING_WAVE_ID : SIRegLoHi16<"src_pops_exiting_wave_id", 239>; def LDS_DIRECT : SIReg <"src_lds_direct", 254> { // There is no physical register corresponding to this. This is an @@ -199,8 +215,8 @@ let isArtificial = 1; } -def XNACK_MASK_LO : SIReg<"xnack_mask_lo", 104>; -def XNACK_MASK_HI : SIReg<"xnack_mask_hi", 105>; +defm XNACK_MASK_LO : SIRegLoHi16<"xnack_mask_lo", 104>; +defm XNACK_MASK_HI : SIRegLoHi16<"xnack_mask_hi", 105>; def XNACK_MASK : RegisterWithSubRegs<"xnack_mask", [XNACK_MASK_LO, XNACK_MASK_HI]> { @@ -210,8 +226,8 @@ } // Trap handler registers -def TBA_LO : SIReg<"tba_lo", 108>; -def TBA_HI : SIReg<"tba_hi", 109>; +defm TBA_LO : SIRegLoHi16<"tba_lo", 108>; +defm TBA_HI : SIRegLoHi16<"tba_hi", 109>; def TBA : RegisterWithSubRegs<"tba", [TBA_LO, TBA_HI]> { let Namespace = "AMDGPU"; @@ -219,8 +235,8 @@ let HWEncoding = 108; } -def TMA_LO : SIReg<"tma_lo", 110>; -def TMA_HI : SIReg<"tma_hi", 111>; +defm TMA_LO : SIRegLoHi16<"tma_lo", 110>; +defm TMA_HI : SIRegLoHi16<"tma_hi", 111>; def TMA : RegisterWithSubRegs<"tma", [TMA_LO, TMA_HI]> { let Namespace = "AMDGPU"; @@ -229,15 +245,15 @@ } foreach Index = 0-15 in { - def TTMP#Index#_vi : SIReg<"ttmp"#Index, !add(112, Index)>; - def TTMP#Index#_gfx9_gfx10 : SIReg<"ttmp"#Index, !add(108, Index)>; - def TTMP#Index : SIReg<"ttmp"#Index, 0>; + defm TTMP#Index#_vi : SIRegLoHi16<"ttmp"#Index, !add(112, Index)>; + defm TTMP#Index#_gfx9_gfx10 : SIRegLoHi16<"ttmp"#Index, !add(108, Index)>; + defm TTMP#Index : SIRegLoHi16<"ttmp"#Index, 0>; } multiclass FLAT_SCR_LOHI_m ci_e, bits<16> vi_e> { - def _ci : SIReg; - def _vi : SIReg; - def "" : SIReg; + defm _ci : SIRegLoHi16; + defm _vi : SIRegLoHi16; + defm "" : SIRegLoHi16; } class FlatReg encoding> : @@ -256,50 +272,17 @@ // SGPR registers foreach Index = 0-105 in { - def SGPR#Index#_LO16 : SIReg <"s"#Index#".l", Index>, - DwarfRegNum<[!if(!le(Index, 63), !add(Index, 32), !add(Index, 1024)), - !if(!le(Index, 63), !add(Index, 32), !add(Index, 1024))]>; - - // This is a placeholder to fill high lane in mask. - def SGPR#Index#_HI16 : SIReg <"", Index> { - let isArtificial = 1; - } - - def SGPR#Index : - SIRegWithSubRegs <"s"#Index, [!cast("SGPR"#Index#"_LO16"), - !cast("SGPR"#Index#"_HI16")], - Index>, - DwarfRegNum<[!if(!le(Index, 63), !add(Index, 32), !add(Index, 1024)), - !if(!le(Index, 63), !add(Index, 32), !add(Index, 1024))]> { - let SubRegIndices = [lo16, hi16]; - } + defm SGPR#Index : + SIRegLoHi16 <"s"#Index, Index>, + DwarfRegNum<[!if(!le(Index, 63), !add(Index, 32), !add(Index, 1024)), + !if(!le(Index, 63), !add(Index, 32), !add(Index, 1024))]>; } // VGPR registers foreach Index = 0-255 in { - // There is no special encoding for low 16 bit subreg, this not a real - // register but rather an operand for instructions preserving high 16 bits - // of the result or reading just low 16 bits of a 32 bit VGPR. - // It is encoded as a corresponding 32 bit register. - def VGPR#Index#_LO16 : SIReg <"v"#Index#".l", Index>, - DwarfRegNum<[!add(Index, 2560), !add(Index, 1536)]> { - let HWEncoding{8} = 1; - } - // There is no special encoding for low 16 bit subreg, this not a real - // register but rather an operand for instructions preserving low 16 bits - // of the result or reading just high 16 bits of a 32 bit VGPR. - // It is encoded as a corresponding 32 bit register. - def VGPR#Index#_HI16 : SIReg <"v"#Index#".h", Index>, - DwarfRegNum<[!add(Index, 2560), !add(Index, 1536)]> { - let HWEncoding{8} = 1; - } - def VGPR#Index : SIRegWithSubRegs <"v"#Index, - [!cast("VGPR"#Index#"_LO16"), !cast("VGPR"#Index#"_HI16")], - Index>, - DwarfRegNum<[!add(Index, 2560), !add(Index, 1536)]> { - let HWEncoding{8} = 1; - let SubRegIndices = [lo16, hi16]; - } + defm VGPR#Index : + SIRegLoHi16 <"v"#Index, Index, 0, 1>, + DwarfRegNum<[!add(Index, 2560), !add(Index, 1536)]>; } // AccVGPR registers @@ -325,11 +308,17 @@ let isAllocatable = 0; } +def M0_CLASS_LO16 : RegisterClass<"AMDGPU", [i16, f16], 16, (add M0_LO16)> { + let CopyCost = 1; + let Size = 16; + let isAllocatable = 0; +} + // TODO: Do we need to set DwarfRegAlias on register tuples? def SGPR_LO16 : RegisterClass<"AMDGPU", [i16, f16], 16, (add (sequence "SGPR%u_LO16", 0, 105))> { - let AllocationPriority = 1; + let AllocationPriority = 9; let Size = 16; let GeneratePressureSet = 0; } @@ -380,6 +369,12 @@ let isAllocatable = 0; } +def TTMP_LO16 : RegisterClass<"AMDGPU", [i16, f16], 16, + (add (sequence "TTMP%u_LO16", 0, 15))> { + let Size = 16; + let isAllocatable = 0; +} + // Trap handler TMP 64-bit registers def TTMP_64Regs : SIRegisterTuples.ret, TTMP_32, 15, 2, 2, "ttmp">; @@ -588,15 +583,43 @@ let AllocationPriority = 10; } +def SReg_LO16_XM0_XEXEC : RegisterClass<"AMDGPU", [i16, f16], 16, + (add SGPR_LO16, VCC_LO_LO16, VCC_HI_LO16, FLAT_SCR_LO_LO16, FLAT_SCR_HI_LO16, + XNACK_MASK_LO_LO16, XNACK_MASK_HI_LO16, SGPR_NULL_LO16, TTMP_LO16, TMA_LO_LO16, + TMA_HI_LO16, TBA_LO_LO16, TBA_HI_LO16, SRC_SHARED_BASE_LO16, + SRC_SHARED_LIMIT_LO16, SRC_PRIVATE_BASE_LO16, SRC_PRIVATE_LIMIT_LO16, + SRC_POPS_EXITING_WAVE_ID_LO16, SRC_VCCZ_LO16, SRC_EXECZ_LO16, SRC_SCC_LO16)> { + let Size = 16; + let AllocationPriority = 10; +} + def SReg_32_XEXEC_HI : RegisterClass<"AMDGPU", [i32, f32, i16, f16, v2i16, v2f16, i1], 32, (add SReg_32_XM0_XEXEC, EXEC_LO, M0_CLASS)> { let AllocationPriority = 10; } +def SReg_LO16_XEXEC_HI : RegisterClass<"AMDGPU", [i16, f16], 16, + (add SReg_LO16_XM0_XEXEC, EXEC_LO_LO16, M0_CLASS_LO16)> { + let Size = 16; + let AllocationPriority = 10; +} + def SReg_32_XM0 : RegisterClass<"AMDGPU", [i32, f32, i16, f16, v2i16, v2f16, i1], 32, (add SReg_32_XM0_XEXEC, EXEC_LO, EXEC_HI)> { let AllocationPriority = 10; } + +def SReg_LO16_XM0 : RegisterClass<"AMDGPU", [i16, f16], 16, + (add SReg_LO16_XM0_XEXEC, EXEC_LO_LO16, EXEC_HI_LO16)> { + let Size = 16; + let AllocationPriority = 10; +} + +def SReg_LO16 : RegisterClass<"AMDGPU", [i16, f16], 16, + (add SGPR_LO16, SReg_LO16_XM0, M0_CLASS_LO16, EXEC_LO_LO16, EXEC_HI_LO16, SReg_LO16_XEXEC_HI)> { + let Size = 16; + let AllocationPriority = 10; +} } // End GeneratePressureSet = 0 // Register class for all scalar registers (SGPRs + Special Registers) Index: llvm/test/CodeGen/AMDGPU/ipra-regmask.ll =================================================================== --- llvm/test/CodeGen/AMDGPU/ipra-regmask.ll +++ llvm/test/CodeGen/AMDGPU/ipra-regmask.ll @@ -24,13 +24,13 @@ ret void } -; CHECK-DAG: special_regs Clobbered Registers: $scc $m0 {{$}} +; CHECK-DAG: special_regs Clobbered Registers: $scc $m0 $m0_hi16 $m0_lo16 {{$}} define void @special_regs() #0 { call void asm sideeffect "", "~{m0},~{scc}"() #0 ret void } -; CHECK-DAG: vcc Clobbered Registers: $vcc $vcc_hi $vcc_lo {{$}} +; CHECK-DAG: vcc Clobbered Registers: $vcc $vcc_hi $vcc_lo $vcc_hi_hi16 $vcc_hi_lo16 $vcc_lo_hi16 $vcc_lo_lo16 {{$}} define void @vcc() #0 { call void asm sideeffect "", "~{vcc}"() #0 ret void Index: llvm/test/CodeGen/AMDGPU/sched-assert-dead-def-subreg-use-other-subreg.mir =================================================================== --- llvm/test/CodeGen/AMDGPU/sched-assert-dead-def-subreg-use-other-subreg.mir +++ llvm/test/CodeGen/AMDGPU/sched-assert-dead-def-subreg-use-other-subreg.mir @@ -33,7 +33,7 @@ ; CHECK: dead %9:vreg_128 = DS_READ_B128_gfx9 [[V_ADD_U32_e32_]], 0, 0, implicit $exec ; CHECK: [[COPY1:%[0-9]+]]:vgpr_32 = COPY [[COPY]].sub0 ; CHECK: undef %11.sub1:vreg_512 = COPY [[COPY]].sub1 - ; CHECK: INLINEASM &"", 1 /* sideeffect attdialect */, 851978 /* regdef:SGPR_LO16 */, def dead [[COPY1]], 851978 /* regdef:SGPR_LO16 */, def dead [[COPY]].sub1, 2147483657 /* reguse tiedto:$0 */, [[COPY1]], 2147549193 /* reguse tiedto:$1 */, [[COPY]].sub1 + ; CHECK: INLINEASM &"", 1 /* sideeffect attdialect */, 851978 /* regdef:SReg_LO16 */, def dead [[COPY1]], 851978 /* regdef:SReg_LO16 */, def dead [[COPY]].sub1, 2147483657 /* reguse tiedto:$0 */, [[COPY1]], 2147549193 /* reguse tiedto:$1 */, [[COPY]].sub1 ; CHECK: %11.sub0:vreg_512 = COPY [[COPY]].sub0 ; CHECK: %11.sub3:vreg_512 = COPY [[COPY]].sub3 ; CHECK: dead %10:vgpr_32 = V_ADD_I32_e32 4, [[V_MOV_B32_e32_1]], implicit-def dead $vcc, implicit $exec Index: llvm/test/CodeGen/AMDGPU/sched-handleMoveUp-subreg-def-across-subreg-def.mir =================================================================== --- llvm/test/CodeGen/AMDGPU/sched-handleMoveUp-subreg-def-across-subreg-def.mir +++ llvm/test/CodeGen/AMDGPU/sched-handleMoveUp-subreg-def-across-subreg-def.mir @@ -36,18 +36,18 @@ ; CHECK: [[DEF2:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF ; CHECK: bb.1: ; CHECK: successors: %bb.1(0x80000000) - ; CHECK: INLINEASM &"", 1 /* sideeffect attdialect */, 851978 /* regdef:SGPR_LO16 */, def dead %11 + ; CHECK: INLINEASM &"", 1 /* sideeffect attdialect */, 851978 /* regdef:SReg_LO16 */, def dead %11 ; CHECK: GLOBAL_STORE_DWORD undef %12:vreg_64, [[BUFFER_LOAD_DWORD_OFFEN]], 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1) ; CHECK: [[V_MOV_B32_e32_2:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec ; CHECK: [[V_MOV_B32_e32_3:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec ; CHECK: [[DS_READ_B64_gfx9_:%[0-9]+]]:vreg_64 = DS_READ_B64_gfx9 undef %14:vgpr_32, 0, 0, implicit $exec :: (load 8, addrspace 3) - ; CHECK: INLINEASM &"def $0 $1", 1 /* sideeffect attdialect */, 851978 /* regdef:SGPR_LO16 */, def %15, 851978 /* regdef:SGPR_LO16 */, def %16 + ; CHECK: INLINEASM &"def $0 $1", 1 /* sideeffect attdialect */, 851978 /* regdef:SReg_LO16 */, def %15, 851978 /* regdef:SReg_LO16 */, def %16 ; CHECK: [[DS_READ_B32_gfx9_:%[0-9]+]]:vgpr_32 = DS_READ_B32_gfx9 [[V_MOV_B32_e32_]], 0, 0, implicit $exec ; CHECK: [[DS_READ_B32_gfx9_1:%[0-9]+]]:vgpr_32 = DS_READ_B32_gfx9 [[V_MOV_B32_e32_1]], 0, 0, implicit $exec ; CHECK: [[DS_READ_B32_gfx9_2:%[0-9]+]]:vgpr_32 = DS_READ_B32_gfx9 undef %20:vgpr_32, 0, 0, implicit $exec - ; CHECK: INLINEASM &"def $0 $1", 1 /* sideeffect attdialect */, 851978 /* regdef:SGPR_LO16 */, def %21, 851978 /* regdef:SGPR_LO16 */, def %22 + ; CHECK: INLINEASM &"def $0 $1", 1 /* sideeffect attdialect */, 851978 /* regdef:SReg_LO16 */, def %21, 851978 /* regdef:SReg_LO16 */, def %22 ; CHECK: [[DS_READ_B32_gfx9_3:%[0-9]+]]:vgpr_32 = DS_READ_B32_gfx9 [[V_MOV_B32_e32_1]], 0, 0, implicit $exec - ; CHECK: INLINEASM &"", 1 /* sideeffect attdialect */, 851978 /* regdef:SGPR_LO16 */, def dead [[V_MOV_B32_e32_2]], 851978 /* regdef:SGPR_LO16 */, def dead [[V_MOV_B32_e32_3]], 851977 /* reguse:SGPR_LO16 */, [[DS_READ_B64_gfx9_]].sub0, 2147483657 /* reguse tiedto:$0 */, [[V_MOV_B32_e32_2]](tied-def 3), 2147549193 /* reguse tiedto:$1 */, [[V_MOV_B32_e32_3]](tied-def 5), 851977 /* reguse:SGPR_LO16 */, %15, 851977 /* reguse:SGPR_LO16 */, %16, 851977 /* reguse:SGPR_LO16 */, [[DS_READ_B32_gfx9_1]], 851977 /* reguse:SGPR_LO16 */, [[DS_READ_B32_gfx9_]], 851977 /* reguse:SGPR_LO16 */, [[DS_READ_B32_gfx9_3]], 851977 /* reguse:SGPR_LO16 */, [[DS_READ_B32_gfx9_2]] + ; CHECK: INLINEASM &"", 1 /* sideeffect attdialect */, 851978 /* regdef:SReg_LO16 */, def dead [[V_MOV_B32_e32_2]], 851978 /* regdef:SReg_LO16 */, def dead [[V_MOV_B32_e32_3]], 851977 /* reguse:SReg_LO16 */, [[DS_READ_B64_gfx9_]].sub0, 2147483657 /* reguse tiedto:$0 */, [[V_MOV_B32_e32_2]](tied-def 3), 2147549193 /* reguse tiedto:$1 */, [[V_MOV_B32_e32_3]](tied-def 5), 851977 /* reguse:SReg_LO16 */, %15, 851977 /* reguse:SReg_LO16 */, %16, 851977 /* reguse:SReg_LO16 */, [[DS_READ_B32_gfx9_1]], 851977 /* reguse:SReg_LO16 */, [[DS_READ_B32_gfx9_]], 851977 /* reguse:SReg_LO16 */, [[DS_READ_B32_gfx9_3]], 851977 /* reguse:SReg_LO16 */, [[DS_READ_B32_gfx9_2]] ; CHECK: %5.sub1:vreg_64 = COPY [[V_MOV_B32_e32_]] ; CHECK: DS_WRITE_B32_gfx9 undef %28:vgpr_32, %21, 0, 0, implicit $exec :: (store 4, addrspace 3) ; CHECK: DS_WRITE_B32_gfx9 undef %29:vgpr_32, %22, 0, 0, implicit $exec :: (store 4, addrspace 3) Index: llvm/test/CodeGen/AMDGPU/subreg-undef-def-with-other-subreg-defs.mir =================================================================== --- llvm/test/CodeGen/AMDGPU/subreg-undef-def-with-other-subreg-defs.mir +++ llvm/test/CodeGen/AMDGPU/subreg-undef-def-with-other-subreg-defs.mir @@ -25,9 +25,9 @@ ; CHECK: bb.1: ; CHECK: successors: %bb.1(0x80000000) ; CHECK: [[DS_READ_B32_gfx9_:%[0-9]+]]:vgpr_32 = DS_READ_B32_gfx9 [[V_MOV_B32_e32_]], 0, 0, implicit $exec :: (load 4, addrspace 3) - ; CHECK: INLINEASM &"", 1 /* sideeffect attdialect */, 851978 /* regdef:SGPR_LO16 */, def %0, 2147549193 /* reguse tiedto:$1 */, %0(tied-def 3) - ; CHECK: INLINEASM &"", 1 /* sideeffect attdialect */, 851977 /* reguse:SGPR_LO16 */, [[DS_READ_B32_gfx9_]] - ; CHECK: INLINEASM &"", 1 /* sideeffect attdialect */, 851978 /* regdef:SGPR_LO16 */, def undef %0.sub0, 851978 /* regdef:SGPR_LO16 */, def undef %0.sub1 + ; CHECK: INLINEASM &"", 1 /* sideeffect attdialect */, 851978 /* regdef:SReg_LO16 */, def %0, 2147549193 /* reguse tiedto:$1 */, %0(tied-def 3) + ; CHECK: INLINEASM &"", 1 /* sideeffect attdialect */, 851977 /* reguse:SReg_LO16 */, [[DS_READ_B32_gfx9_]] + ; CHECK: INLINEASM &"", 1 /* sideeffect attdialect */, 851978 /* regdef:SReg_LO16 */, def undef %0.sub0, 851978 /* regdef:SReg_LO16 */, def undef %0.sub1 ; CHECK: S_NOP 0, implicit %0.sub1 ; CHECK: $sgpr10 = S_MOV_B32 -1 ; CHECK: S_BRANCH %bb.1 @@ -63,9 +63,9 @@ ; CHECK: bb.1: ; CHECK: successors: %bb.1(0x80000000) ; CHECK: [[DS_READ_B32_gfx9_:%[0-9]+]]:vgpr_32 = DS_READ_B32_gfx9 [[V_MOV_B32_e32_]], 0, 0, implicit $exec :: (load 4, addrspace 3) - ; CHECK: INLINEASM &"", 1 /* sideeffect attdialect */, 851978 /* regdef:SGPR_LO16 */, def %0, 2147549193 /* reguse tiedto:$1 */, %0(tied-def 3) - ; CHECK: INLINEASM &"", 1 /* sideeffect attdialect */, 851977 /* reguse:SGPR_LO16 */, [[DS_READ_B32_gfx9_]] - ; CHECK: INLINEASM &"", 1 /* sideeffect attdialect */, 851978 /* regdef:SGPR_LO16 */, def undef %0.sub1, 851978 /* regdef:SGPR_LO16 */, def undef %0.sub0 + ; CHECK: INLINEASM &"", 1 /* sideeffect attdialect */, 851978 /* regdef:SReg_LO16 */, def %0, 2147549193 /* reguse tiedto:$1 */, %0(tied-def 3) + ; CHECK: INLINEASM &"", 1 /* sideeffect attdialect */, 851977 /* reguse:SReg_LO16 */, [[DS_READ_B32_gfx9_]] + ; CHECK: INLINEASM &"", 1 /* sideeffect attdialect */, 851978 /* regdef:SReg_LO16 */, def undef %0.sub1, 851978 /* regdef:SReg_LO16 */, def undef %0.sub0 ; CHECK: S_NOP 0, implicit %0.sub1 ; CHECK: $sgpr10 = S_MOV_B32 -1 ; CHECK: S_BRANCH %bb.1