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authorManman Ren <manman.ren@gmail.com>2016-04-05 22:41:47 +0000
committerManman Ren <manman.ren@gmail.com>2016-04-05 22:41:47 +0000
commitf8bdd88cd95e5387ad853874fe2db38edfe76c41 (patch)
tree7f88b60ee4a22d582863e8f217011605bfc8834a /llvm/docs/LangRef.rst
parent64bba01a6346c726b7ca0acf11d694308d25f2a0 (diff)
downloadbcm5719-llvm-f8bdd88cd95e5387ad853874fe2db38edfe76c41.tar.gz
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Swift Calling Convention: add swiftcc.
Differential Revision: http://reviews.llvm.org/D17863 llvm-svn: 265480
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diff --git a/llvm/docs/LangRef.rst b/llvm/docs/LangRef.rst
index a525c0c99ef..bc7cf9c8a08 100644
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+++ b/llvm/docs/LangRef.rst
@@ -427,6 +427,9 @@ added in the future:
- On X86-64 the callee preserves all general purpose registers, except for
RDI and RAX.
+"``swiftcc``" - This calling convention is used for Swift language.
+ - On X86-64 RCX and R8 are available for additional integer returns, and
+ XMM2 and XMM3 are available for additional FP/vector returns.
"``cc <n>``" - Numbered convention
Any calling convention may be specified by number, allowing
target-specific calling conventions to be used. Target specific
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