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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
This commit is contained in:
Philip Reames 2015-07-16 21:10:46 +00:00
parent 88cfb3a748
commit b773631ecd
2 changed files with 16 additions and 0 deletions
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10
llvm/docs/StackMaps.rst
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@ -499,3 +499,13 @@ the same requirement imposed by the llvm.gcroot intrinsic.) LLVM
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.

6
llvm/docs/Statepoints.rst
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@ -699,6 +699,12 @@ deoptimization or introspection) at safepoints. In that case, ask on the
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
=====================