From 043ee65ef3c27191db3ca6618e1ee6497ade094d Mon Sep 17 00:00:00 2001 From: Bob Wilson Date: Tue, 28 Jul 2015 04:05:45 +0000 Subject: Reserve some constant values for the Swift calling convention. Swift has a custom calling convention that also requires some new flags on arguments and one new attribute on alloca instructions. This patch does not include the implementation of that calling convention - that will be provided as part of the open-source release of Swift; this only reserves the bitcode constant values so that they are not used for other purposes. llvm-svn: 243379 --- llvm/lib/Bitcode/Reader/BitcodeReader.cpp | 2 ++ 1 file changed, 2 insertions(+) (limited to 'llvm/lib/Bitcode/Reader/BitcodeReader.cpp') diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp index c04e8b9..de91150 100644 --- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp +++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp @@ -4081,6 +4081,8 @@ std::error_code BitcodeReader::parseFunctionBody(Function *F) { uint64_t AlignRecord = Record[3]; const uint64_t InAllocaMask = uint64_t(1) << 5; const uint64_t ExplicitTypeMask = uint64_t(1) << 6; + // Reserve bit 7 for SwiftError flag. + // const uint64_t SwiftErrorMask = uint64_t(1) << 7; const uint64_t FlagMask = InAllocaMask | ExplicitTypeMask; bool InAlloca = AlignRecord & InAllocaMask; Type *Ty = getTypeByID(Record[0]); -- cgit v1.1