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-rw-r--r--utils/TableGen/GlobalISelEmitter.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/utils/TableGen/GlobalISelEmitter.cpp b/utils/TableGen/GlobalISelEmitter.cpp
index fed8ae5a80b0..08649d7f9b5a 100644
--- a/utils/TableGen/GlobalISelEmitter.cpp
+++ b/utils/TableGen/GlobalISelEmitter.cpp
@@ -2629,6 +2629,9 @@ Error GlobalISelEmitter::importChildMatcher(RuleMatcher &Rule,
return Error::success();
}
+ if (SrcChild->hasAnyPredicate())
+ return failedImport("Src pattern child has unsupported predicate");
+
// Check for constant immediates.
if (auto *ChildInt = dyn_cast<IntInit>(SrcChild->getLeafValue())) {
OM.addPredicate<ConstantIntOperandMatcher>(ChildInt->getValue());