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-rw-r--r--llvm/lib/CodeGen/MachineVerifier.cpp12
1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineVerifier.cpp b/llvm/lib/CodeGen/MachineVerifier.cpp
index 78072a4..698ea4c 100644
--- a/llvm/lib/CodeGen/MachineVerifier.cpp
+++ b/llvm/lib/CodeGen/MachineVerifier.cpp
@@ -1320,6 +1320,18 @@ void MachineVerifier::verifyPreISelGenericInstruction(const MachineInstr *MI) {
report("G_JUMP_TABLE dest operand must have a pointer type", MI);
break;
}
+ case TargetOpcode::G_BRJT: {
+ if (!MRI->getType(MI->getOperand(0).getReg()).isPointer())
+ report("G_BRJT src operand 0 must be a pointer type", MI);
+
+ if (!MI->getOperand(1).isJTI())
+ report("G_BRJT src operand 1 must be a jump table index", MI);
+
+ const auto &IdxOp = MI->getOperand(2);
+ if (!IdxOp.isReg() || MRI->getType(IdxOp.getReg()).isPointer())
+ report("G_BRJT src operand 2 must be a scalar reg type", MI);
+ break;
+ }
default:
break;
}