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-rw-r--r--llvm/tools/llvm-exegesis/lib/Assembler.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/tools/llvm-exegesis/lib/Assembler.cpp b/llvm/tools/llvm-exegesis/lib/Assembler.cpp
index 527b10146a3..1576cfe58e0 100644
--- a/llvm/tools/llvm-exegesis/lib/Assembler.cpp
+++ b/llvm/tools/llvm-exegesis/lib/Assembler.cpp
@@ -110,6 +110,8 @@ static void fillMachineFunction(llvm::MachineFunction &MF,
Builder.addReg(Op.getReg(), Flags);
} else if (Op.isImm()) {
Builder.addImm(Op.getImm());
+ } else if (!Op.isValid()) {
+ llvm_unreachable("Operand is not set");
} else {
llvm_unreachable("Not yet implemented");
}
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