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-rw-r--r--lib/VMCore/PassManager.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/VMCore/PassManager.cpp b/lib/VMCore/PassManager.cpp
index 2e9fa53d0a..47999152c1 100644
--- a/lib/VMCore/PassManager.cpp
+++ b/lib/VMCore/PassManager.cpp
@@ -43,7 +43,12 @@ enum PassDebugLevel {
None, Arguments, Structure, Executions, Details
};
+// Always verify dominfo if expensive checking is enabled.
+#ifdef XDEBUG
+bool VerifyDomInfo = true;
+#else
bool VerifyDomInfo = false;
+#endif
static cl::opt<bool,true>
VerifyDomInfoX("verify-dom-info", cl::location(VerifyDomInfo),
cl::desc("Verify dominator info (time consuming)"));