AMDGPU: Error in SIAnnotateControlFlow instead of assert
This assert typically happens if an unstructured CFG is passed
to the pass. This can happen if the pass is run independently
without the structurizer.
llvm-svn: 322685
diff --git a/llvm/lib/Target/AMDGPU/SIAnnotateControlFlow.cpp b/llvm/lib/Target/AMDGPU/SIAnnotateControlFlow.cpp
index 150d8c3..97983ea 100644
--- a/llvm/lib/Target/AMDGPU/SIAnnotateControlFlow.cpp
+++ b/llvm/lib/Target/AMDGPU/SIAnnotateControlFlow.cpp
@@ -422,7 +422,11 @@
openIf(Term);
}
- assert(Stack.empty());
+ if (!Stack.empty()) {
+ // CFG was probably not structured.
+ report_fatal_error("failed to annotate CFG");
+ }
+
return true;
}