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| author | James Molloy <james.molloy@arm.com> | 2015-11-06 10:32:53 +0000 |
|---|---|---|
| committer | James Molloy <james.molloy@arm.com> | 2015-11-06 10:32:53 +0000 |
| commit | e6f87ca812809543444d7d5961aea2509b8a3227 (patch) | |
| tree | 0484ecea76aab7032b2b590638de7650912e9e14 /llvm/lib/AsmParser | |
| parent | a805030ae821fa03fb76d89b9bb81ee66f676105 (diff) | |
| download | bcm5719-llvm-e6f87ca812809543444d7d5961aea2509b8a3227.tar.gz bcm5719-llvm-e6f87ca812809543444d7d5961aea2509b8a3227.zip | |
Add a new attribute: norecurse
This attribute allows the compiler to assume that the function never recurses into itself, either directly or indirectly (transitively). This can be used among other things to demote global variables to locals.
llvm-svn: 252282
Diffstat (limited to 'llvm/lib/AsmParser')
| -rw-r--r-- | llvm/lib/AsmParser/LLLexer.cpp | 1 | ||||
| -rw-r--r-- | llvm/lib/AsmParser/LLParser.cpp | 1 | ||||
| -rw-r--r-- | llvm/lib/AsmParser/LLToken.h | 1 |
3 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/AsmParser/LLLexer.cpp b/llvm/lib/AsmParser/LLLexer.cpp index 2eb5f0bf45d..82d6eb7788c 100644 --- a/llvm/lib/AsmParser/LLLexer.cpp +++ b/llvm/lib/AsmParser/LLLexer.cpp @@ -616,6 +616,7 @@ lltok::Kind LLLexer::LexIdentifier() { KEYWORD(noduplicate); KEYWORD(noimplicitfloat); KEYWORD(noinline); + KEYWORD(norecurse); KEYWORD(nonlazybind); KEYWORD(nonnull); KEYWORD(noredzone); diff --git a/llvm/lib/AsmParser/LLParser.cpp b/llvm/lib/AsmParser/LLParser.cpp index 1c219ad6cd8..7feb99d555c 100644 --- a/llvm/lib/AsmParser/LLParser.cpp +++ b/llvm/lib/AsmParser/LLParser.cpp @@ -998,6 +998,7 @@ bool LLParser::ParseFnAttributeValuePairs(AttrBuilder &B, case lltok::kw_nonlazybind: B.addAttribute(Attribute::NonLazyBind); break; case lltok::kw_noredzone: B.addAttribute(Attribute::NoRedZone); break; case lltok::kw_noreturn: B.addAttribute(Attribute::NoReturn); break; + case lltok::kw_norecurse: B.addAttribute(Attribute::NoRecurse); break; case lltok::kw_nounwind: B.addAttribute(Attribute::NoUnwind); break; case lltok::kw_optnone: B.addAttribute(Attribute::OptimizeNone); break; case lltok::kw_optsize: B.addAttribute(Attribute::OptimizeForSize); break; diff --git a/llvm/lib/AsmParser/LLToken.h b/llvm/lib/AsmParser/LLToken.h index 06b5f9b0800..ecd6481e6fa 100644 --- a/llvm/lib/AsmParser/LLToken.h +++ b/llvm/lib/AsmParser/LLToken.h @@ -123,6 +123,7 @@ namespace lltok { kw_noduplicate, kw_noimplicitfloat, kw_noinline, + kw_norecurse, kw_nonlazybind, kw_nonnull, kw_noredzone, |
