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[TableGen] FieldInit: improve assertion message
Summary: When fiddling with sched profiles, especially creating new ones, it's amazingly easy to end up with malformed .td that crashes tablegen, without explanation of the bug. This changes the most common assertion i have encountered to dump enough information to be able to fix the .td Split of from D63628 Reviewers: RKSimon, craig.topper, nhaehnle Reviewed By: craig.topper Subscribers: llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D65790 llvm-svn: 368060
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@ -1263,7 +1263,14 @@ class FieldInit : public TypedInit {
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FieldInit(Init *R, StringInit *FN)
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: TypedInit(IK_FieldInit, R->getFieldType(FN)), Rec(R), FieldName(FN) {
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assert(getType() && "FieldInit with non-record type!");
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#ifndef NDEBUG
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if (!getType()) {
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llvm::errs() << "In Record = " << Rec->getAsString()
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<< ", got FieldName = " << *FieldName
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<< " with non-record type!\n";
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llvm_unreachable("FieldInit with non-record type!");
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}
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#endif
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}
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public:
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