GlobalISel: Fix verifier crashing on non-register operands
Also correct the wording of error on subregisters.
llvm-svn: 353128
diff --git a/llvm/lib/CodeGen/MachineVerifier.cpp b/llvm/lib/CodeGen/MachineVerifier.cpp
index cf9cf75..6778dce 100644
--- a/llvm/lib/CodeGen/MachineVerifier.cpp
+++ b/llvm/lib/CodeGen/MachineVerifier.cpp
@@ -933,6 +933,11 @@
Types.resize(std::max(TypeIdx + 1, Types.size()));
const MachineOperand *MO = &MI->getOperand(I);
+ if (!MO->isReg()) {
+ report("generic instruction must use register operands", MI);
+ continue;
+ }
+
LLT OpTy = MRI->getType(MO->getReg());
// Don't report a type mismatch if there is no actual mismatch, only a
// type missing, to reduce noise:
@@ -1517,7 +1522,7 @@
return;
}
if (SubIdx) {
- report("Generic virtual register does not subregister index", MO,
+ report("Generic virtual register does not allow subregister index", MO,
MONum);
return;
}