RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-24 03:33:20 +01:00
Code Issues Projects Releases Wiki Activity

AMDGPU: Don't look at dbg users for foldable operands

Browse Source 
These would have always failed to fold, so checking them or adding
them to the fold candidates is useless.
This commit is contained in:
Matt Arsenault 2020-07-22 15:20:38 -04:00
parent 5bcccd9fb4
commit 97b374cbad
1 changed files with 13 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
lib/Target/AMDGPU/SIFoldOperands.cpp
View File

@ -598,9 +598,9 @@ void SIFoldOperands::foldOperand(
Register RegSeqDstReg = UseMI->getOperand(0).getReg();
unsigned RegSeqDstSubReg = UseMI->getOperand(UseOpIdx + 1).getImm();
MachineRegisterInfo::use_iterator Next;
for (MachineRegisterInfo::use_iterator
RSUse = MRI->use_begin(RegSeqDstReg), RSE = MRI->use_end();
MachineRegisterInfo::use_nodbg_iterator Next;
for (MachineRegisterInfo::use_nodbg_iterator
RSUse = MRI->use_nodbg_begin(RegSeqDstReg), RSE = MRI->use_nodbg_end();
RSUse != RSE; RSUse = Next) {
Next = std::next(RSUse);
@ -668,10 +668,10 @@ void SIFoldOperands::foldOperand(
const TargetRegisterClass *DestRC = TRI->getRegClassForReg(*MRI, DestReg);
if (!DestReg.isPhysical()) {
if (TRI->isSGPRClass(SrcRC) && TRI->hasVectorRegisters(DestRC)) {
MachineRegisterInfo::use_iterator NextUse;
MachineRegisterInfo::use_nodbg_iterator NextUse;
SmallVector<FoldCandidate, 4> CopyUses;
for (MachineRegisterInfo::use_iterator Use = MRI->use_begin(DestReg),
E = MRI->use_end();
for (MachineRegisterInfo::use_nodbg_iterator Use = MRI->use_nodbg_begin(DestReg),
E = MRI->use_nodbg_end();
Use != E; Use = NextUse) {
NextUse = std::next(Use);
// There's no point trying to fold into an implicit operand.
@ -1193,9 +1193,9 @@ void SIFoldOperands::foldInstOperand(MachineInstr &MI,
MachineOperand *NonInlineUse = nullptr;
int NonInlineUseOpNo = -1;
MachineRegisterInfo::use_iterator NextUse;
for (MachineRegisterInfo::use_iterator
Use = MRI->use_begin(Dst.getReg()), E = MRI->use_end();
MachineRegisterInfo::use_nodbg_iterator NextUse;
for (MachineRegisterInfo::use_nodbg_iterator
Use = MRI->use_nodbg_begin(Dst.getReg()), E = MRI->use_nodbg_end();
Use != E; Use = NextUse) {
NextUse = std::next(Use);
MachineInstr *UseMI = Use->getParent();
@ -1217,7 +1217,7 @@ void SIFoldOperands::foldInstOperand(MachineInstr &MI,
// instruction, e.g. and x, 0 -> 0. Make sure we re-visit the user
// again. The same constant folded instruction could also have a second
// use operand.
NextUse = MRI->use_begin(Dst.getReg());
NextUse = MRI->use_nodbg_begin(Dst.getReg());
FoldList.clear();
continue;
}
@ -1256,9 +1256,9 @@ void SIFoldOperands::foldInstOperand(MachineInstr &MI,
}
} else {
// Folding register.
SmallVector <MachineRegisterInfo::use_iterator, 4> UsesToProcess;
for (MachineRegisterInfo::use_iterator
Use = MRI->use_begin(Dst.getReg()), E = MRI->use_end();
SmallVector <MachineRegisterInfo::use_nodbg_iterator, 4> UsesToProcess;
for (MachineRegisterInfo::use_nodbg_iterator
Use = MRI->use_nodbg_begin(Dst.getReg()), E = MRI->use_nodbg_end();
Use != E; ++Use) {
UsesToProcess.push_back(Use);
}