Not having this documented led to some confusion in a recent review thread.
llvm-svn: 242441
transformations must not substitute the alloca with any intervening
value. This can be verified by the runtime simply by checking that the
stack map's location is a Direct location type.
+
+
+Supported Architectures
+=======================
+
+Support for StackMap generation and the related intrinsics requires
+some code for each backend. Today, only a subset of LLVM's backends
+are supported. The currently supported architectures are X86_64,
+PowerPC, and Aarch64.
+
llvmdev mailing list for suggestions.
+Supported Architectures
+=======================
+
+Support for statepoint generation requires some code for each backend.
+Today, only X86_64 is supported.
+
Bugs and Enhancements
=====================