diff options
Diffstat (limited to 'contrib/llvm-project/llvm/lib/CodeGen/StackMaps.cpp')
| -rw-r--r-- | contrib/llvm-project/llvm/lib/CodeGen/StackMaps.cpp | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/contrib/llvm-project/llvm/lib/CodeGen/StackMaps.cpp b/contrib/llvm-project/llvm/lib/CodeGen/StackMaps.cpp index ccaff862fa3f..bb7a51e49edb 100644 --- a/contrib/llvm-project/llvm/lib/CodeGen/StackMaps.cpp +++ b/contrib/llvm-project/llvm/lib/CodeGen/StackMaps.cpp @@ -146,6 +146,23 @@ unsigned StatepointOpers::getGCPointerMap( return GCMapSize; } +bool StatepointOpers::isFoldableReg(Register Reg) const { + unsigned FoldableAreaStart = getVarIdx(); + for (const MachineOperand &MO : MI->uses()) { + if (MI->getOperandNo(&MO) >= FoldableAreaStart) + break; + if (MO.isReg() && MO.getReg() == Reg) + return false; + } + return true; +} + +bool StatepointOpers::isFoldableReg(const MachineInstr *MI, Register Reg) { + if (MI->getOpcode() != TargetOpcode::STATEPOINT) + return false; + return StatepointOpers(MI).isFoldableReg(Reg); +} + StackMaps::StackMaps(AsmPrinter &AP) : AP(AP) { if (StackMapVersion != 3) llvm_unreachable("Unsupported stackmap version!"); @@ -240,7 +257,7 @@ StackMaps::parseOperand(MachineInstr::const_mop_iterator MOI, return ++MOI; } - assert(Register::isPhysicalRegister(MOI->getReg()) && + assert(MOI->getReg().isPhysical() && "Virtreg operands should have been rewritten before now."); const TargetRegisterClass *RC = TRI->getMinimalPhysRegClass(MOI->getReg()); assert(!MOI->getSubReg() && "Physical subreg still around."); @@ -688,7 +705,7 @@ void StackMaps::emitCallsiteEntries(MCStreamer &OS) { } // Emit alignment to 8 byte. - OS.emitValueToAlignment(8); + OS.emitValueToAlignment(Align(8)); // Num live-out registers and padding to align to 4 byte. OS.emitInt16(0); @@ -700,7 +717,7 @@ void StackMaps::emitCallsiteEntries(MCStreamer &OS) { OS.emitIntValue(LO.Size, 1); } // Emit alignment to 8 byte. - OS.emitValueToAlignment(8); + OS.emitValueToAlignment(Align(8)); } } |