GlobalISel: set correct regclass for LOAD_STACK_GUARD.
Since it's not actually a generic MI, its register operands need a RegClass,
which is conveniently the target's pointer RegClass.
llvm-svn: 293335
diff --git a/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp b/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
index ce3e682..9382de7 100644
--- a/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
@@ -477,6 +477,8 @@
void IRTranslator::getStackGuard(unsigned DstReg,
MachineIRBuilder &MIRBuilder) {
+ const TargetRegisterInfo *TRI = MF->getSubtarget().getRegisterInfo();
+ MRI->setRegClass(DstReg, TRI->getPointerRegClass(*MF));
auto MIB = MIRBuilder.buildInstr(TargetOpcode::LOAD_STACK_GUARD);
MIB.addDef(DstReg);