diff options
Diffstat (limited to 'backend/lib/CodeGen/TargetDescription.cpp')
| -rw-r--r-- | backend/lib/CodeGen/TargetDescription.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/backend/lib/CodeGen/TargetDescription.cpp b/backend/lib/CodeGen/TargetDescription.cpp index 2a64a02..a867a5b 100644 --- a/backend/lib/CodeGen/TargetDescription.cpp +++ b/backend/lib/CodeGen/TargetDescription.cpp @@ -52,11 +52,18 @@ namespace { Expected<TargetDescription> TargetDescription::create(InstructionSet Instructions, TargetRegisterInfo Registers, TargetMIRTextInfoDesc MIRTextDescription, - TargetBooleanContentInfo BooleanInfo) { + TargetBooleanContentInfo BooleanInfo, + TargetStackInfo StackInfo) { auto MIRText = TargetMIRTextInfo::create(std::move(MIRTextDescription), Registers); if (!MIRText) return std::unexpected(MIRText.error()); + if (StackInfo.StackPointerRegisterToSaveRestore.isValid() && + Registers.physicalRegister(StackInfo.StackPointerRegisterToSaveRestore) == nullptr) { + return makeUnexpected(ErrorCode::InvalidArgument, + "target stack pointer is not a known physical register"); + } + for (const InstructionDescriptor &Instruction : Instructions.descriptors()) { for (const OperandDescriptor &Operand : Instruction.Operands) { if (Operand.AllowAnyTargetFlags && Operand.AllowedTargetFlags != 0) { @@ -124,7 +131,7 @@ Expected<TargetDescription> TargetDescription::create(InstructionSet Instruction } return TargetDescription(std::move(Instructions), std::move(Registers), std::move(*MIRText), - BooleanInfo); + BooleanInfo, StackInfo); } Expected<void> TargetDescription::validateVirtualRegister(Register Reg, |