search for: copy0mbb

Displaying 16 results from an estimated 16 matches for "copy0mbb".

2013 Feb 18
1
[LLVMdev] splitting a branch within a pseudo
...true/false values to select between, and a branch opcode to use. const BasicBlock *LLVM_BB = BB->getBasicBlock(); MachineFunction::iterator It = BB; ++It; // thisMBB: // ... // TrueVal = ... // setcc r1, r2, r3 // bNE r1, r0, copy1MBB // fallthrough --> copy0MBB MachineBasicBlock *thisMBB = BB; MachineFunction *F = BB->getParent(); MachineBasicBlock *copy0MBB = F->CreateMachineBasicBlock(LLVM_BB); MachineBasicBlock *sinkMBB = F->CreateMachineBasicBlock(LLVM_BB); F->insert(It, copy0MBB); F->insert(It, sinkMBB); // Tran...
2013 Feb 18
0
[LLVMdev] splitting a branch within a pseudo
...true/false values to select between, and a branch opcode to use. const BasicBlock *LLVM_BB = BB->getBasicBlock(); MachineFunction::iterator It = BB; ++It; // thisMBB: // ... // TrueVal = ... // setcc r1, r2, r3 // bNE r1, r0, copy1MBB // fallthrough --> copy0MBB MachineBasicBlock *thisMBB = BB; MachineFunction *F = BB->getParent(); MachineBasicBlock *copy0MBB = F->CreateMachineBasicBlock(LLVM_BB); MachineBasicBlock *sinkMBB = F->CreateMachineBasicBlock(LLVM_BB); F->insert(It, copy0MBB); F->insert(It, sinkMBB); // Tran...
2013 Feb 17
4
[LLVMdev] splitting a branch within a pseudo
After discussions last night, I'm leaning towards going legit with all my pseudo expansions in Mips 16. Some I think I can clearly do by just putting in the proper side effects of implicit registers (T8 the condition code register as used by mips 16). But I'm still left with some pseudos that have jmp .+4 type instructions in them. The original Mips port was to Mips I and Mips I,
2008 Jul 10
2
[LLVMdev] Implementing llvm.atomic.cmp.swap.i32 on PowerPC
...ually have to insert their + // control-flow patterns. const BasicBlock *LLVM_BB = BB->getBasicBlock(); ilist<MachineBasicBlock>::iterator It = BB; ++It; - - // thisMBB: - // ... - // TrueVal = ... - // cmpTY ccX, r1, r2 - // bCC copy1MBB - // fallthrough --> copy0MBB - MachineBasicBlock *thisMBB = BB; - MachineBasicBlock *copy0MBB = new MachineBasicBlock(LLVM_BB); - MachineBasicBlock *sinkMBB = new MachineBasicBlock(LLVM_BB); - unsigned SelectPred = MI->getOperand(4).getImm(); - BuildMI(BB, TII->get(PPC::BCC)) - .addImm(SelectPred).addReg(MI->g...
2008 Jul 08
0
[LLVMdev] Implementing llvm.atomic.cmp.swap.i32 on PowerPC
PPCTargetLowering::EmitInstrWithCustomInserter has a reference to the current MachineFunction for other purposes. Can you use MachineFunction::getRegInfo instead? Dan On Jul 8, 2008, at 1:56 PM, Gary Benson wrote: > Would it be acceptable to change MachineInstr::getRegInfo from private > to public so I can use it from > PPCTargetLowering::EmitInstrWithCustomInserter? > >
2008 Jul 11
2
[LLVMdev] Implementing llvm.atomic.cmp.swap.i32 on PowerPC
...ructions we actually have to insert their + // control-flow patterns. const BasicBlock *LLVM_BB = BB->getBasicBlock(); MachineFunction::iterator It = BB; ++It; - - // thisMBB: - // ... - // TrueVal = ... - // cmpTY ccX, r1, r2 - // bCC copy1MBB - // fallthrough --> copy0MBB - MachineBasicBlock *thisMBB = BB; + MachineFunction *F = BB->getParent(); - MachineBasicBlock *copy0MBB = F->CreateMachineBasicBlock(LLVM_BB); - MachineBasicBlock *sinkMBB = F->CreateMachineBasicBlock(LLVM_BB); - unsigned SelectPred = MI->getOperand(4).getImm(); - BuildMI(BB, T...
2008 Jul 11
0
[LLVMdev] Implementing llvm.atomic.cmp.swap.i32 on PowerPC
Hi Gary, This does not patch cleanly for me (PPCISelLowering.cpp). Can you prepare a updated patch? Thanks, Evan On Jul 10, 2008, at 11:45 AM, Gary Benson wrote: > Cool, that worked. New patch attached... > > Cheers, > Gary > > Evan Cheng wrote: >> Just cast both values to const TargetRegisterClass*. >> >> Evan >> >> On Jul 10, 2008, at 7:36
2008 Jul 10
0
[LLVMdev] Implementing llvm.atomic.cmp.swap.i32 on PowerPC
Just cast both values to const TargetRegisterClass*. Evan On Jul 10, 2008, at 7:36 AM, Gary Benson wrote: > Evan Cheng wrote: >> How about? >> >> const TargetRegisterClass *RC = is64Bit ? &PPC:GPRCRegClass : >> &PPC:G8RCRegClass; >> unsigned TmpReg = RegInfo.createVirtualRegister(RC); > > I tried something like that yesterday: > > const
2008 Jul 10
2
[LLVMdev] Implementing llvm.atomic.cmp.swap.i32 on PowerPC
Evan Cheng wrote: > How about? > > const TargetRegisterClass *RC = is64Bit ? &PPC:GPRCRegClass : > &PPC:G8RCRegClass; > unsigned TmpReg = RegInfo.createVirtualRegister(RC); I tried something like that yesterday: const TargetRegisterClass *RC = is64bit ? &PPC::GPRCRegClass : &PPC::G8RCRegClass; but I kept getting this error no matter how I arranged it:
2008 Jun 30
0
[LLVMdev] Implementing llvm.atomic.cmp.swap.i32 on PowerPC
You need to insert new basic blocks and update CFG to accomplish this. There is a hackish way to do this right now. Add a pseudo instruction to represent this operation and mark it usesCustomDAGSchedInserter. This means the intrinsic is mapped to a single (pseudo) node. But it is then expanded into instructions that can span multiple basic blocks. See
2008 Jul 09
2
[LLVMdev] Implementing llvm.atomic.cmp.swap.i32 on PowerPC
...ually have to insert their + // control-flow patterns. const BasicBlock *LLVM_BB = BB->getBasicBlock(); ilist<MachineBasicBlock>::iterator It = BB; ++It; - - // thisMBB: - // ... - // TrueVal = ... - // cmpTY ccX, r1, r2 - // bCC copy1MBB - // fallthrough --> copy0MBB - MachineBasicBlock *thisMBB = BB; - MachineBasicBlock *copy0MBB = new MachineBasicBlock(LLVM_BB); - MachineBasicBlock *sinkMBB = new MachineBasicBlock(LLVM_BB); - unsigned SelectPred = MI->getOperand(4).getImm(); - BuildMI(BB, TII->get(PPC::BCC)) - .addImm(SelectPred).addReg(MI->g...
2008 Jul 08
2
[LLVMdev] Implementing llvm.atomic.cmp.swap.i32 on PowerPC
Would it be acceptable to change MachineInstr::getRegInfo from private to public so I can use it from PPCTargetLowering::EmitInstrWithCustomInserter? Cheers, Gary Evan Cheng wrote: > Look for createVirtualRegister. These are examples in > PPCISelLowering.cpp. > > Evan > On Jul 8, 2008, at 8:24 AM, Gary Benson wrote: > > > Hi Evan, > > > > Evan Cheng wrote:
2008 Jun 30
2
[LLVMdev] Implementing llvm.atomic.cmp.swap.i32 on PowerPC
Chris Lattner wrote: > On Jun 27, 2008, at 8:27 AM, Gary Benson wrote: > > def CMP_UNRESw : Pseudo<(outs), (ins GPRC:$rA, GPRC:$rB, i32imm: > > $label), > > "cmpw $rA, $rB\n\tbne- La${label}_exit", > > [(PPCcmp_unres GPRC:$rA, GPRC:$rB, imm: > > $label)]>; > > } > > > > ...and
2008 Jul 02
2
[LLVMdev] Implementing llvm.atomic.cmp.swap.i32 on PowerPC
...ually have to insert their + // control-flow patterns. const BasicBlock *LLVM_BB = BB->getBasicBlock(); ilist<MachineBasicBlock>::iterator It = BB; ++It; - - // thisMBB: - // ... - // TrueVal = ... - // cmpTY ccX, r1, r2 - // bCC copy1MBB - // fallthrough --> copy0MBB - MachineBasicBlock *thisMBB = BB; - MachineBasicBlock *copy0MBB = new MachineBasicBlock(LLVM_BB); - MachineBasicBlock *sinkMBB = new MachineBasicBlock(LLVM_BB); - unsigned SelectPred = MI->getOperand(4).getImm(); - BuildMI(BB, TII->get(PPC::BCC)) - .addImm(SelectPred).addReg(MI->g...
2017 Dec 03
2
5.0.1-rc2 has been tagged
...// sanity check before we build J*_ri instruction. > + assert (isInt<32>(imm32)); > BuildMI(BB, DL, TII.get(NewCC)) > .addReg(LHS) > - .addImm(MI.getOperand(2).getImm()) > + .addImm(imm32) > .addMBB(Copy1MBB); > + } > > // Copy0MBB: > // %FalseValue = ... > diff --git a/lib/Target/BPF/BPFInstrInfo.td b/lib/Target/BPF/BPFInstrInfo.td > index f683578..56f0f9c 100644 > --- a/lib/Target/BPF/BPFInstrInfo.td > +++ b/lib/Target/BPF/BPFInstrInfo.td > @@ -464,7 +464,7 @@ let usesCustomInserter = 1 in { >...
2017 Nov 30
9
5.0.1-rc2 has been tagged
Hi, I've tagged the 5.0.1-rc2 release, go ahead and start testing and report your results. -Tom