diff options
Diffstat (limited to 'lib/AsmParser')
| -rw-r--r-- | lib/AsmParser/LLLexer.cpp | 2 | ||||
| -rw-r--r-- | lib/AsmParser/LLParser.cpp | 13 | ||||
| -rw-r--r-- | lib/AsmParser/LLToken.h | 3 |
3 files changed, 12 insertions, 6 deletions
diff --git a/lib/AsmParser/LLLexer.cpp b/lib/AsmParser/LLLexer.cpp index b9193e89e7..1334825a7d 100644 --- a/lib/AsmParser/LLLexer.cpp +++ b/lib/AsmParser/LLLexer.cpp @@ -490,7 +490,7 @@ lltok::Kind LLLexer::LexIdentifier() { KEYWORD(available_externally); KEYWORD(linkonce); KEYWORD(linkonce_odr); - KEYWORD(weak); + KEYWORD(weak); // Use as a linkage, and a modifier for "cmpxchg". KEYWORD(weak_odr); KEYWORD(appending); KEYWORD(dllimport); diff --git a/lib/AsmParser/LLParser.cpp b/lib/AsmParser/LLParser.cpp index a528a7e7a5..0c188f983f 100644 --- a/lib/AsmParser/LLParser.cpp +++ b/lib/AsmParser/LLParser.cpp @@ -4256,8 +4256,8 @@ int LLParser::ParseStore(Instruction *&Inst, PerFunctionState &PFS) { } /// ParseCmpXchg -/// ::= 'cmpxchg' 'volatile'? TypeAndValue ',' TypeAndValue ',' TypeAndValue -/// 'singlethread'? AtomicOrdering AtomicOrdering +/// ::= 'cmpxchg' 'weak'? 'volatile'? TypeAndValue ',' TypeAndValue ',' +/// TypeAndValue 'singlethread'? AtomicOrdering AtomicOrdering int LLParser::ParseCmpXchg(Instruction *&Inst, PerFunctionState &PFS) { Value *Ptr, *Cmp, *New; LocTy PtrLoc, CmpLoc, NewLoc; bool AteExtraComma = false; @@ -4265,6 +4265,10 @@ int LLParser::ParseCmpXchg(Instruction *&Inst, PerFunctionState &PFS) { AtomicOrdering FailureOrdering = NotAtomic; SynchronizationScope Scope = CrossThread; bool isVolatile = false; + bool isWeak = false; + + if (EatIfPresent(lltok::kw_weak)) + isWeak = true; if (EatIfPresent(lltok::kw_volatile)) isVolatile = true; @@ -4297,9 +4301,10 @@ int LLParser::ParseCmpXchg(Instruction *&Inst, PerFunctionState &PFS) { return Error(NewLoc, "cmpxchg operand must be power-of-two byte-sized" " integer"); - AtomicCmpXchgInst *CXI = new AtomicCmpXchgInst(Ptr, Cmp, New, SuccessOrdering, - FailureOrdering, Scope); + AtomicCmpXchgInst *CXI = new AtomicCmpXchgInst( + Ptr, Cmp, New, SuccessOrdering, FailureOrdering, Scope); CXI->setVolatile(isVolatile); + CXI->setWeak(isWeak); Inst = CXI; return AteExtraComma ? InstExtraComma : InstNormal; } diff --git a/lib/AsmParser/LLToken.h b/lib/AsmParser/LLToken.h index 3ce09503f5..af8b0da78b 100644 --- a/lib/AsmParser/LLToken.h +++ b/lib/AsmParser/LLToken.h @@ -42,7 +42,8 @@ namespace lltok { kw_linker_private, // NOTE: deprecated, for parser compatibility kw_linker_private_weak, // NOTE: deprecated, for parser compatibility kw_linkonce, kw_linkonce_odr, - kw_weak, kw_weak_odr, kw_appending, + kw_weak, // Used as a linkage, and a modifier for "cmpxchg". + kw_weak_odr, kw_appending, kw_dllimport, kw_dllexport, kw_common, kw_available_externally, kw_default, kw_hidden, kw_protected, kw_unnamed_addr, |