List supported architectures for StackMap section and related intrinsics
Not having this documented led to some confusion in a recent review thread.
llvm-svn: 242441
diff --git a/llvm/docs/Statepoints.rst b/llvm/docs/Statepoints.rst
index b1d1ed8..0d91f1b 100644
--- a/llvm/docs/Statepoints.rst
+++ b/llvm/docs/Statepoints.rst
@@ -699,6 +699,12 @@
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+Supported Architectures
+=======================
+
+Support for statepoint generation requires some code for each backend.
+Today, only X86_64 is supported.
+
Bugs and Enhancements
=====================
