From efdce0fb09298a35e7f530812267d96161cf4cb6 Mon Sep 17 00:00:00 2001 From: Akira Hatanaka Date: Fri, 7 Dec 2012 03:10:18 +0000 Subject: [PATCH] [mips] Delete nodes and instructions for dynamic alloca that are no longer in use. llvm-svn: 169580 --- llvm/lib/Target/Mips/Mips64InstrInfo.td | 7 ------- llvm/lib/Target/Mips/MipsISelLowering.cpp | 1 - llvm/lib/Target/Mips/MipsInstrInfo.td | 15 --------------- 3 files changed, 23 deletions(-) diff --git a/llvm/lib/Target/Mips/Mips64InstrInfo.td b/llvm/lib/Target/Mips/Mips64InstrInfo.td index c76b00b..1c852e2 100644 --- a/llvm/lib/Target/Mips/Mips64InstrInfo.td +++ b/llvm/lib/Target/Mips/Mips64InstrInfo.td @@ -205,9 +205,6 @@ def DSHD : SubwordSwap<0x24, 0x5, "dshd", CPU64Regs>; def LEA_ADDiu64 : EffectiveAddress<0x19,"daddiu\t$rt, $addr", CPU64Regs, mem_ea_64>; } -let Uses = [SP_64], DecoderNamespace = "Mips64" in -def DynAlloc64 : EffectiveAddress<0x19,"daddiu\t$rt, $addr", CPU64Regs, mem_ea_64>, - Requires<[IsN64, HasStdEnc]>; let DecoderNamespace = "Mips64" in { def RDHWR64 : ReadHardware; @@ -293,10 +290,6 @@ defm : SetgtPats; defm : SetgePats; defm : SetgeImmPats; -// select MipsDynAlloc -def : MipsPat<(MipsDynAlloc addr:$f), (DynAlloc64 addr:$f)>, - Requires<[IsN64, HasStdEnc]>; - // truncate def : MipsPat<(i32 (trunc CPU64Regs:$src)), (SLL (EXTRACT_SUBREG CPU64Regs:$src, sub_32), 0)>, diff --git a/llvm/lib/Target/Mips/MipsISelLowering.cpp b/llvm/lib/Target/Mips/MipsISelLowering.cpp index bf0566f..703f8ce 100644 --- a/llvm/lib/Target/Mips/MipsISelLowering.cpp +++ b/llvm/lib/Target/Mips/MipsISelLowering.cpp @@ -169,7 +169,6 @@ const char *MipsTargetLowering::getTargetNodeName(unsigned Opcode) const { case MipsISD::BuildPairF64: return "MipsISD::BuildPairF64"; case MipsISD::ExtractElementF64: return "MipsISD::ExtractElementF64"; case MipsISD::Wrapper: return "MipsISD::Wrapper"; - case MipsISD::DynAlloc: return "MipsISD::DynAlloc"; case MipsISD::Sync: return "MipsISD::Sync"; case MipsISD::Ext: return "MipsISD::Ext"; case MipsISD::Ins: return "MipsISD::Ins"; diff --git a/llvm/lib/Target/Mips/MipsInstrInfo.td b/llvm/lib/Target/Mips/MipsInstrInfo.td index 56919b1..309f9d2 100644 --- a/llvm/lib/Target/Mips/MipsInstrInfo.td +++ b/llvm/lib/Target/Mips/MipsInstrInfo.td @@ -33,8 +33,6 @@ def SDT_MipsDivRem : SDTypeProfile<0, 2, def SDT_MipsThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>; -def SDT_MipsDynAlloc : SDTypeProfile<1, 1, [SDTCisVT<0, iPTR>, - SDTCisSameAs<0, 1>]>; def SDT_Sync : SDTypeProfile<0, 1, [SDTCisVT<0, i32>]>; def SDT_Ext : SDTypeProfile<1, 3, [SDTCisInt<0>, SDTCisSameAs<0, 1>, @@ -111,10 +109,6 @@ def MipsDivRemU : SDNode<"MipsISD::DivRemU", SDT_MipsDivRem, def MipsWrapper : SDNode<"MipsISD::Wrapper", SDTIntBinOp>; -// Pointer to dynamically allocated stack area. -def MipsDynAlloc : SDNode<"MipsISD::DynAlloc", SDT_MipsDynAlloc, - [SDNPHasChain, SDNPInGlue]>; - def MipsSync : SDNode<"MipsISD::Sync", SDT_Sync, [SDNPHasChain,SDNPSideEffect]>; def MipsExt : SDNode<"MipsISD::Ext", SDT_Ext>; @@ -1069,12 +1063,6 @@ let addr=0 in // can be matched. It's similar to Sparc LEA_ADDRi def LEA_ADDiu : EffectiveAddress<0x09,"addiu\t$rt, $addr", CPURegs, mem_ea>; -// DynAlloc node points to dynamically allocated stack space. -// $sp is added to the list of implicitly used registers to prevent dead code -// elimination from removing instructions that modify $sp. -let Uses = [SP] in -def DynAlloc : EffectiveAddress<0x09,"addiu\t$rt, $addr", CPURegs, mem_ea>; - // MADD*/MSUB* def MADD : MArithR<0, "madd", MipsMAdd, 1>; def MADDU : MArithR<1, "maddu", MipsMAddu, 1>; @@ -1289,9 +1277,6 @@ defm : SetgtPats; defm : SetgePats; defm : SetgeImmPats; -// select MipsDynAlloc -def : MipsPat<(MipsDynAlloc addr:$f), (DynAlloc addr:$f)>; - // bswap pattern def : MipsPat<(bswap CPURegs:$rt), (ROTR (WSBH CPURegs:$rt), 16)>; -- 2.7.4