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Diffstat (limited to 'docs/StackMaps.rst')
-rw-r--r-- | docs/StackMaps.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/docs/StackMaps.rst b/docs/StackMaps.rst index bd0fb946f9a5..5bb05540dec3 100644 --- a/docs/StackMaps.rst +++ b/docs/StackMaps.rst @@ -221,6 +221,12 @@ lowered according to the calling convention specified at the intrinsic's callsite. Variants of the intrinsic with non-void return type also return a value according to calling convention. +On PowerPC, note that the ``<target>`` must be the actual intended target of +the indirect call, not the function-descriptor address normally used as the +C/C++ function-pointer representation. As a result, the call target must be +local because no adjustment or restoration of the TOC pointer (in register r2) +will be performed. + Requesting zero patch point arguments is valid. In this case, all variable operands are handled just like ``llvm.experimental.stackmap.*``. The difference is that space will |