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-rw-r--r--llvm/utils/TableGen/LLVMCConfigurationEmitter.cpp7
1 files changed, 6 insertions, 1 deletions
diff --git a/llvm/utils/TableGen/LLVMCConfigurationEmitter.cpp b/llvm/utils/TableGen/LLVMCConfigurationEmitter.cpp
index fa423f4ec85..eda45c7a7b7 100644
--- a/llvm/utils/TableGen/LLVMCConfigurationEmitter.cpp
+++ b/llvm/utils/TableGen/LLVMCConfigurationEmitter.cpp
@@ -584,7 +584,12 @@ private:
void onActions (const DagInit* d) {
checkNumberOfArguments(d, 1);
- toolDesc_.Actions = d->getArg(0);
+ Init* Case = d->getArg(0);
+ if (typeid(*Case) != typeid(DagInit) ||
+ static_cast<DagInit*>(Case)->getOperator()->getAsString() != "case")
+ throw
+ std::string("The argument to (actions) should be a 'case' construct!");
+ toolDesc_.Actions = Case;
}
void onCmdLine (const DagInit* d) {
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