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Diffstat (limited to 'llvm/lib/Target/Mips/MipsSEISelLowering.cpp')
-rw-r--r--llvm/lib/Target/Mips/MipsSEISelLowering.cpp158
1 files changed, 82 insertions, 76 deletions
diff --git a/llvm/lib/Target/Mips/MipsSEISelLowering.cpp b/llvm/lib/Target/Mips/MipsSEISelLowering.cpp
index 4b26a4ccfee..905890312af 100644
--- a/llvm/lib/Target/Mips/MipsSEISelLowering.cpp
+++ b/llvm/lib/Target/Mips/MipsSEISelLowering.cpp
@@ -1111,9 +1111,9 @@ MipsSETargetLowering::PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const {
}
MachineBasicBlock *
-MipsSETargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
+MipsSETargetLowering::EmitInstrWithCustomInserter(MachineInstr &MI,
MachineBasicBlock *BB) const {
- switch (MI->getOpcode()) {
+ switch (MI.getOpcode()) {
default:
return MipsTargetLowering::EmitInstrWithCustomInserter(MI, BB);
case Mips::BPOSGE32_PSEUDO:
@@ -2904,8 +2904,9 @@ SDValue MipsSETargetLowering::lowerVECTOR_SHUFFLE(SDValue Op,
return lowerVECTOR_SHUFFLE_VSHF(Op, ResTy, Indices, DAG);
}
-MachineBasicBlock * MipsSETargetLowering::
-emitBPOSGE32(MachineInstr *MI, MachineBasicBlock *BB) const{
+MachineBasicBlock *
+MipsSETargetLowering::emitBPOSGE32(MachineInstr &MI,
+ MachineBasicBlock *BB) const {
// $bb:
// bposge32_pseudo $vr0
// =>
@@ -2922,7 +2923,7 @@ emitBPOSGE32(MachineInstr *MI, MachineBasicBlock *BB) const{
MachineRegisterInfo &RegInfo = BB->getParent()->getRegInfo();
const TargetInstrInfo *TII = Subtarget.getInstrInfo();
const TargetRegisterClass *RC = &Mips::GPR32RegClass;
- DebugLoc DL = MI->getDebugLoc();
+ DebugLoc DL = MI.getDebugLoc();
const BasicBlock *LLVM_BB = BB->getBasicBlock();
MachineFunction::iterator It = std::next(MachineFunction::iterator(BB));
MachineFunction *F = BB->getParent();
@@ -2962,16 +2963,18 @@ emitBPOSGE32(MachineInstr *MI, MachineBasicBlock *BB) const{
// Insert phi function to $Sink.
BuildMI(*Sink, Sink->begin(), DL, TII->get(Mips::PHI),
- MI->getOperand(0).getReg())
- .addReg(VR2).addMBB(FBB).addReg(VR1).addMBB(TBB);
+ MI.getOperand(0).getReg())
+ .addReg(VR2)
+ .addMBB(FBB)
+ .addReg(VR1)
+ .addMBB(TBB);
- MI->eraseFromParent(); // The pseudo instruction is gone now.
+ MI.eraseFromParent(); // The pseudo instruction is gone now.
return Sink;
}
-MachineBasicBlock * MipsSETargetLowering::
-emitMSACBranchPseudo(MachineInstr *MI, MachineBasicBlock *BB,
- unsigned BranchOp) const{
+MachineBasicBlock *MipsSETargetLowering::emitMSACBranchPseudo(
+ MachineInstr &MI, MachineBasicBlock *BB, unsigned BranchOp) const {
// $bb:
// vany_nonzero $rd, $ws
// =>
@@ -2989,7 +2992,7 @@ emitMSACBranchPseudo(MachineInstr *MI, MachineBasicBlock *BB,
MachineRegisterInfo &RegInfo = BB->getParent()->getRegInfo();
const TargetInstrInfo *TII = Subtarget.getInstrInfo();
const TargetRegisterClass *RC = &Mips::GPR32RegClass;
- DebugLoc DL = MI->getDebugLoc();
+ DebugLoc DL = MI.getDebugLoc();
const BasicBlock *LLVM_BB = BB->getBasicBlock();
MachineFunction::iterator It = std::next(MachineFunction::iterator(BB));
MachineFunction *F = BB->getParent();
@@ -3013,8 +3016,8 @@ emitMSACBranchPseudo(MachineInstr *MI, MachineBasicBlock *BB,
// Insert the real bnz.b instruction to $BB.
BuildMI(BB, DL, TII->get(BranchOp))
- .addReg(MI->getOperand(1).getReg())
- .addMBB(TBB);
+ .addReg(MI.getOperand(1).getReg())
+ .addMBB(TBB);
// Fill $FBB.
unsigned RD1 = RegInfo.createVirtualRegister(RC);
@@ -3029,10 +3032,13 @@ emitMSACBranchPseudo(MachineInstr *MI, MachineBasicBlock *BB,
// Insert phi function to $Sink.
BuildMI(*Sink, Sink->begin(), DL, TII->get(Mips::PHI),
- MI->getOperand(0).getReg())
- .addReg(RD1).addMBB(FBB).addReg(RD2).addMBB(TBB);
+ MI.getOperand(0).getReg())
+ .addReg(RD1)
+ .addMBB(FBB)
+ .addReg(RD2)
+ .addMBB(TBB);
- MI->eraseFromParent(); // The pseudo instruction is gone now.
+ MI.eraseFromParent(); // The pseudo instruction is gone now.
return Sink;
}
@@ -3046,14 +3052,15 @@ emitMSACBranchPseudo(MachineInstr *MI, MachineBasicBlock *BB,
// When n is zero, the equivalent operation can be performed with (potentially)
// zero instructions due to register overlaps. This optimization is never valid
// for lane 1 because it would require FR=0 mode which isn't supported by MSA.
-MachineBasicBlock * MipsSETargetLowering::
-emitCOPY_FW(MachineInstr *MI, MachineBasicBlock *BB) const{
+MachineBasicBlock *
+MipsSETargetLowering::emitCOPY_FW(MachineInstr &MI,
+ MachineBasicBlock *BB) const {
const TargetInstrInfo *TII = Subtarget.getInstrInfo();
MachineRegisterInfo &RegInfo = BB->getParent()->getRegInfo();
- DebugLoc DL = MI->getDebugLoc();
- unsigned Fd = MI->getOperand(0).getReg();
- unsigned Ws = MI->getOperand(1).getReg();
- unsigned Lane = MI->getOperand(2).getImm();
+ DebugLoc DL = MI.getDebugLoc();
+ unsigned Fd = MI.getOperand(0).getReg();
+ unsigned Ws = MI.getOperand(1).getReg();
+ unsigned Lane = MI.getOperand(2).getImm();
if (Lane == 0) {
unsigned Wt = Ws;
@@ -3075,7 +3082,7 @@ emitCOPY_FW(MachineInstr *MI, MachineBasicBlock *BB) const{
BuildMI(*BB, MI, DL, TII->get(Mips::COPY), Fd).addReg(Wt, 0, Mips::sub_lo);
}
- MI->eraseFromParent(); // The pseudo instruction is gone now.
+ MI.eraseFromParent(); // The pseudo instruction is gone now.
return BB;
}
@@ -3089,16 +3096,17 @@ emitCOPY_FW(MachineInstr *MI, MachineBasicBlock *BB) const{
// When n is zero, the equivalent operation can be performed with (potentially)
// zero instructions due to register overlaps. This optimization is always
// valid because FR=1 mode which is the only supported mode in MSA.
-MachineBasicBlock * MipsSETargetLowering::
-emitCOPY_FD(MachineInstr *MI, MachineBasicBlock *BB) const{
+MachineBasicBlock *
+MipsSETargetLowering::emitCOPY_FD(MachineInstr &MI,
+ MachineBasicBlock *BB) const {
assert(Subtarget.isFP64bit());
const TargetInstrInfo *TII = Subtarget.getInstrInfo();
MachineRegisterInfo &RegInfo = BB->getParent()->getRegInfo();
- unsigned Fd = MI->getOperand(0).getReg();
- unsigned Ws = MI->getOperand(1).getReg();
- unsigned Lane = MI->getOperand(2).getImm() * 2;
- DebugLoc DL = MI->getDebugLoc();
+ unsigned Fd = MI.getOperand(0).getReg();
+ unsigned Ws = MI.getOperand(1).getReg();
+ unsigned Lane = MI.getOperand(2).getImm() * 2;
+ DebugLoc DL = MI.getDebugLoc();
if (Lane == 0)
BuildMI(*BB, MI, DL, TII->get(Mips::COPY), Fd).addReg(Ws, 0, Mips::sub_64);
@@ -3109,7 +3117,7 @@ emitCOPY_FD(MachineInstr *MI, MachineBasicBlock *BB) const{
BuildMI(*BB, MI, DL, TII->get(Mips::COPY), Fd).addReg(Wt, 0, Mips::sub_64);
}
- MI->eraseFromParent(); // The pseudo instruction is gone now.
+ MI.eraseFromParent(); // The pseudo instruction is gone now.
return BB;
}
@@ -3120,15 +3128,15 @@ emitCOPY_FD(MachineInstr *MI, MachineBasicBlock *BB) const{
// subreg_to_reg $wt:sub_lo, $fs
// insve_w $wd[$n], $wd_in, $wt[0]
MachineBasicBlock *
-MipsSETargetLowering::emitINSERT_FW(MachineInstr *MI,
+MipsSETargetLowering::emitINSERT_FW(MachineInstr &MI,
MachineBasicBlock *BB) const {
const TargetInstrInfo *TII = Subtarget.getInstrInfo();
MachineRegisterInfo &RegInfo = BB->getParent()->getRegInfo();
- DebugLoc DL = MI->getDebugLoc();
- unsigned Wd = MI->getOperand(0).getReg();
- unsigned Wd_in = MI->getOperand(1).getReg();
- unsigned Lane = MI->getOperand(2).getImm();
- unsigned Fs = MI->getOperand(3).getReg();
+ DebugLoc DL = MI.getDebugLoc();
+ unsigned Wd = MI.getOperand(0).getReg();
+ unsigned Wd_in = MI.getOperand(1).getReg();
+ unsigned Lane = MI.getOperand(2).getImm();
+ unsigned Fs = MI.getOperand(3).getReg();
unsigned Wt = RegInfo.createVirtualRegister(
Subtarget.useOddSPReg() ? &Mips::MSA128WRegClass :
&Mips::MSA128WEvensRegClass);
@@ -3143,7 +3151,7 @@ MipsSETargetLowering::emitINSERT_FW(MachineInstr *MI,
.addReg(Wt)
.addImm(0);
- MI->eraseFromParent(); // The pseudo instruction is gone now.
+ MI.eraseFromParent(); // The pseudo instruction is gone now.
return BB;
}
@@ -3154,17 +3162,17 @@ MipsSETargetLowering::emitINSERT_FW(MachineInstr *MI,
// subreg_to_reg $wt:sub_64, $fs
// insve_d $wd[$n], $wd_in, $wt[0]
MachineBasicBlock *
-MipsSETargetLowering::emitINSERT_FD(MachineInstr *MI,
+MipsSETargetLowering::emitINSERT_FD(MachineInstr &MI,
MachineBasicBlock *BB) const {
assert(Subtarget.isFP64bit());
const TargetInstrInfo *TII = Subtarget.getInstrInfo();
MachineRegisterInfo &RegInfo = BB->getParent()->getRegInfo();
- DebugLoc DL = MI->getDebugLoc();
- unsigned Wd = MI->getOperand(0).getReg();
- unsigned Wd_in = MI->getOperand(1).getReg();
- unsigned Lane = MI->getOperand(2).getImm();
- unsigned Fs = MI->getOperand(3).getReg();
+ DebugLoc DL = MI.getDebugLoc();
+ unsigned Wd = MI.getOperand(0).getReg();
+ unsigned Wd_in = MI.getOperand(1).getReg();
+ unsigned Lane = MI.getOperand(2).getImm();
+ unsigned Fs = MI.getOperand(3).getReg();
unsigned Wt = RegInfo.createVirtualRegister(&Mips::MSA128DRegClass);
BuildMI(*BB, MI, DL, TII->get(Mips::SUBREG_TO_REG), Wt)
@@ -3177,7 +3185,7 @@ MipsSETargetLowering::emitINSERT_FD(MachineInstr *MI,
.addReg(Wt)
.addImm(0);
- MI->eraseFromParent(); // The pseudo instruction is gone now.
+ MI.eraseFromParent(); // The pseudo instruction is gone now.
return BB;
}
@@ -3201,18 +3209,16 @@ MipsSETargetLowering::emitINSERT_FD(MachineInstr *MI,
// (INSVE_[WD], $wdtmp2, 0, $wdtmp1, 0)
// (NEG $lanetmp2, $lanetmp1)
// (SLD_B $wd, $wdtmp2, $wdtmp2, $lanetmp2)
-MachineBasicBlock *
-MipsSETargetLowering::emitINSERT_DF_VIDX(MachineInstr *MI,
- MachineBasicBlock *BB,
- unsigned EltSizeInBytes,
- bool IsFP) const {
+MachineBasicBlock *MipsSETargetLowering::emitINSERT_DF_VIDX(
+ MachineInstr &MI, MachineBasicBlock *BB, unsigned EltSizeInBytes,
+ bool IsFP) const {
const TargetInstrInfo *TII = Subtarget.getInstrInfo();
MachineRegisterInfo &RegInfo = BB->getParent()->getRegInfo();
- DebugLoc DL = MI->getDebugLoc();
- unsigned Wd = MI->getOperand(0).getReg();
- unsigned SrcVecReg = MI->getOperand(1).getReg();
- unsigned LaneReg = MI->getOperand(2).getReg();
- unsigned SrcValReg = MI->getOperand(3).getReg();
+ DebugLoc DL = MI.getDebugLoc();
+ unsigned Wd = MI.getOperand(0).getReg();
+ unsigned SrcVecReg = MI.getOperand(1).getReg();
+ unsigned LaneReg = MI.getOperand(2).getReg();
+ unsigned SrcValReg = MI.getOperand(3).getReg();
const TargetRegisterClass *VecRC = nullptr;
// FIXME: This should be true for N32 too.
@@ -3306,7 +3312,7 @@ MipsSETargetLowering::emitINSERT_DF_VIDX(MachineInstr *MI,
.addReg(WdTmp2)
.addReg(LaneTmp2, 0, SubRegIdx);
- MI->eraseFromParent(); // The pseudo instruction is gone now.
+ MI.eraseFromParent(); // The pseudo instruction is gone now.
return BB;
}
@@ -3318,13 +3324,13 @@ MipsSETargetLowering::emitINSERT_DF_VIDX(MachineInstr *MI,
// insert_subreg $wt2:subreg_lo, $wt1, $fs
// splati.w $wd, $wt2[0]
MachineBasicBlock *
-MipsSETargetLowering::emitFILL_FW(MachineInstr *MI,
+MipsSETargetLowering::emitFILL_FW(MachineInstr &MI,
MachineBasicBlock *BB) const {
const TargetInstrInfo *TII = Subtarget.getInstrInfo();
MachineRegisterInfo &RegInfo = BB->getParent()->getRegInfo();
- DebugLoc DL = MI->getDebugLoc();
- unsigned Wd = MI->getOperand(0).getReg();
- unsigned Fs = MI->getOperand(1).getReg();
+ DebugLoc DL = MI.getDebugLoc();
+ unsigned Wd = MI.getOperand(0).getReg();
+ unsigned Fs = MI.getOperand(1).getReg();
unsigned Wt1 = RegInfo.createVirtualRegister(&Mips::MSA128WRegClass);
unsigned Wt2 = RegInfo.createVirtualRegister(&Mips::MSA128WRegClass);
@@ -3335,7 +3341,7 @@ MipsSETargetLowering::emitFILL_FW(MachineInstr *MI,
.addImm(Mips::sub_lo);
BuildMI(*BB, MI, DL, TII->get(Mips::SPLATI_W), Wd).addReg(Wt2).addImm(0);
- MI->eraseFromParent(); // The pseudo instruction is gone now.
+ MI.eraseFromParent(); // The pseudo instruction is gone now.
return BB;
}
@@ -3347,15 +3353,15 @@ MipsSETargetLowering::emitFILL_FW(MachineInstr *MI,
// insert_subreg $wt2:subreg_64, $wt1, $fs
// splati.d $wd, $wt2[0]
MachineBasicBlock *
-MipsSETargetLowering::emitFILL_FD(MachineInstr *MI,
+MipsSETargetLowering::emitFILL_FD(MachineInstr &MI,
MachineBasicBlock *BB) const {
assert(Subtarget.isFP64bit());
const TargetInstrInfo *TII = Subtarget.getInstrInfo();
MachineRegisterInfo &RegInfo = BB->getParent()->getRegInfo();
- DebugLoc DL = MI->getDebugLoc();
- unsigned Wd = MI->getOperand(0).getReg();
- unsigned Fs = MI->getOperand(1).getReg();
+ DebugLoc DL = MI.getDebugLoc();
+ unsigned Wd = MI.getOperand(0).getReg();
+ unsigned Fs = MI.getOperand(1).getReg();
unsigned Wt1 = RegInfo.createVirtualRegister(&Mips::MSA128DRegClass);
unsigned Wt2 = RegInfo.createVirtualRegister(&Mips::MSA128DRegClass);
@@ -3366,7 +3372,7 @@ MipsSETargetLowering::emitFILL_FD(MachineInstr *MI,
.addImm(Mips::sub_64);
BuildMI(*BB, MI, DL, TII->get(Mips::SPLATI_D), Wd).addReg(Wt2).addImm(0);
- MI->eraseFromParent(); // The pseudo instruction is gone now.
+ MI.eraseFromParent(); // The pseudo instruction is gone now.
return BB;
}
@@ -3377,25 +3383,25 @@ MipsSETargetLowering::emitFILL_FD(MachineInstr *MI,
// ldi.w $ws, 1
// fexp2.w $wd, $ws, $wt
MachineBasicBlock *
-MipsSETargetLowering::emitFEXP2_W_1(MachineInstr *MI,
+MipsSETargetLowering::emitFEXP2_W_1(MachineInstr &MI,
MachineBasicBlock *BB) const {
const TargetInstrInfo *TII = Subtarget.getInstrInfo();
MachineRegisterInfo &RegInfo = BB->getParent()->getRegInfo();
const TargetRegisterClass *RC = &Mips::MSA128WRegClass;
unsigned Ws1 = RegInfo.createVirtualRegister(RC);
unsigned Ws2 = RegInfo.createVirtualRegister(RC);
- DebugLoc DL = MI->getDebugLoc();
+ DebugLoc DL = MI.getDebugLoc();
// Splat 1.0 into a vector
BuildMI(*BB, MI, DL, TII->get(Mips::LDI_W), Ws1).addImm(1);
BuildMI(*BB, MI, DL, TII->get(Mips::FFINT_U_W), Ws2).addReg(Ws1);
// Emit 1.0 * fexp2(Wt)
- BuildMI(*BB, MI, DL, TII->get(Mips::FEXP2_W), MI->getOperand(0).getReg())
+ BuildMI(*BB, MI, DL, TII->get(Mips::FEXP2_W), MI.getOperand(0).getReg())
.addReg(Ws2)
- .addReg(MI->getOperand(1).getReg());
+ .addReg(MI.getOperand(1).getReg());
- MI->eraseFromParent(); // The pseudo instruction is gone now.
+ MI.eraseFromParent(); // The pseudo instruction is gone now.
return BB;
}
@@ -3406,24 +3412,24 @@ MipsSETargetLowering::emitFEXP2_W_1(MachineInstr *MI,
// ldi.d $ws, 1
// fexp2.d $wd, $ws, $wt
MachineBasicBlock *
-MipsSETargetLowering::emitFEXP2_D_1(MachineInstr *MI,
+MipsSETargetLowering::emitFEXP2_D_1(MachineInstr &MI,
MachineBasicBlock *BB) const {
const TargetInstrInfo *TII = Subtarget.getInstrInfo();
MachineRegisterInfo &RegInfo = BB->getParent()->getRegInfo();
const TargetRegisterClass *RC = &Mips::MSA128DRegClass;
unsigned Ws1 = RegInfo.createVirtualRegister(RC);
unsigned Ws2 = RegInfo.createVirtualRegister(RC);
- DebugLoc DL = MI->getDebugLoc();
+ DebugLoc DL = MI.getDebugLoc();
// Splat 1.0 into a vector
BuildMI(*BB, MI, DL, TII->get(Mips::LDI_D), Ws1).addImm(1);
BuildMI(*BB, MI, DL, TII->get(Mips::FFINT_U_D), Ws2).addReg(Ws1);
// Emit 1.0 * fexp2(Wt)
- BuildMI(*BB, MI, DL, TII->get(Mips::FEXP2_D), MI->getOperand(0).getReg())
+ BuildMI(*BB, MI, DL, TII->get(Mips::FEXP2_D), MI.getOperand(0).getReg())
.addReg(Ws2)
- .addReg(MI->getOperand(1).getReg());
+ .addReg(MI.getOperand(1).getReg());
- MI->eraseFromParent(); // The pseudo instruction is gone now.
+ MI.eraseFromParent(); // The pseudo instruction is gone now.
return BB;
}
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