Add argmemonly attribute.
This change adds new attribute called "argmemonly". Function marked with this attribute can only access memory through it's argument pointers. This attribute directly corresponds to the "OnlyAccessesArgumentPointees" ModRef behaviour in alias analysis.
Differential Revision: http://reviews.llvm.org/D10398
llvm-svn: 241979
diff --git a/llvm/lib/AsmParser/LLLexer.cpp b/llvm/lib/AsmParser/LLLexer.cpp
index 88f359d..5c4bab7 100644
--- a/llvm/lib/AsmParser/LLLexer.cpp
+++ b/llvm/lib/AsmParser/LLLexer.cpp
@@ -593,6 +593,7 @@
KEYWORD(attributes);
KEYWORD(alwaysinline);
+ KEYWORD(argmemonly);
KEYWORD(builtin);
KEYWORD(byval);
KEYWORD(inalloca);
diff --git a/llvm/lib/AsmParser/LLParser.cpp b/llvm/lib/AsmParser/LLParser.cpp
index aa96d60..1c6e7bd 100644
--- a/llvm/lib/AsmParser/LLParser.cpp
+++ b/llvm/lib/AsmParser/LLParser.cpp
@@ -946,35 +946,42 @@
B.addStackAlignmentAttr(Alignment);
continue;
}
- case lltok::kw_alwaysinline: B.addAttribute(Attribute::AlwaysInline); break;
- case lltok::kw_builtin: B.addAttribute(Attribute::Builtin); break;
- case lltok::kw_cold: B.addAttribute(Attribute::Cold); break;
- case lltok::kw_convergent: B.addAttribute(Attribute::Convergent); break;
- case lltok::kw_inlinehint: B.addAttribute(Attribute::InlineHint); break;
- case lltok::kw_jumptable: B.addAttribute(Attribute::JumpTable); break;
- case lltok::kw_minsize: B.addAttribute(Attribute::MinSize); break;
- case lltok::kw_naked: B.addAttribute(Attribute::Naked); break;
- case lltok::kw_nobuiltin: B.addAttribute(Attribute::NoBuiltin); break;
- case lltok::kw_noduplicate: B.addAttribute(Attribute::NoDuplicate); break;
- case lltok::kw_noimplicitfloat: B.addAttribute(Attribute::NoImplicitFloat); break;
- case lltok::kw_noinline: B.addAttribute(Attribute::NoInline); break;
- 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_nounwind: B.addAttribute(Attribute::NoUnwind); break;
- case lltok::kw_optnone: B.addAttribute(Attribute::OptimizeNone); break;
- case lltok::kw_optsize: B.addAttribute(Attribute::OptimizeForSize); break;
- case lltok::kw_readnone: B.addAttribute(Attribute::ReadNone); break;
- case lltok::kw_readonly: B.addAttribute(Attribute::ReadOnly); break;
- case lltok::kw_returns_twice: B.addAttribute(Attribute::ReturnsTwice); break;
- case lltok::kw_ssp: B.addAttribute(Attribute::StackProtect); break;
- case lltok::kw_sspreq: B.addAttribute(Attribute::StackProtectReq); break;
- case lltok::kw_sspstrong: B.addAttribute(Attribute::StackProtectStrong); break;
- case lltok::kw_safestack: B.addAttribute(Attribute::SafeStack); break;
- case lltok::kw_sanitize_address: B.addAttribute(Attribute::SanitizeAddress); break;
- case lltok::kw_sanitize_thread: B.addAttribute(Attribute::SanitizeThread); break;
- case lltok::kw_sanitize_memory: B.addAttribute(Attribute::SanitizeMemory); break;
- case lltok::kw_uwtable: B.addAttribute(Attribute::UWTable); break;
+ case lltok::kw_alwaysinline: B.addAttribute(Attribute::AlwaysInline); break;
+ case lltok::kw_argmemonly: B.addAttribute(Attribute::ArgMemOnly); break;
+ case lltok::kw_builtin: B.addAttribute(Attribute::Builtin); break;
+ case lltok::kw_cold: B.addAttribute(Attribute::Cold); break;
+ case lltok::kw_convergent: B.addAttribute(Attribute::Convergent); break;
+ case lltok::kw_inlinehint: B.addAttribute(Attribute::InlineHint); break;
+ case lltok::kw_jumptable: B.addAttribute(Attribute::JumpTable); break;
+ case lltok::kw_minsize: B.addAttribute(Attribute::MinSize); break;
+ case lltok::kw_naked: B.addAttribute(Attribute::Naked); break;
+ case lltok::kw_nobuiltin: B.addAttribute(Attribute::NoBuiltin); break;
+ case lltok::kw_noduplicate: B.addAttribute(Attribute::NoDuplicate); break;
+ case lltok::kw_noimplicitfloat:
+ B.addAttribute(Attribute::NoImplicitFloat); break;
+ case lltok::kw_noinline: B.addAttribute(Attribute::NoInline); break;
+ 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_nounwind: B.addAttribute(Attribute::NoUnwind); break;
+ case lltok::kw_optnone: B.addAttribute(Attribute::OptimizeNone); break;
+ case lltok::kw_optsize: B.addAttribute(Attribute::OptimizeForSize); break;
+ case lltok::kw_readnone: B.addAttribute(Attribute::ReadNone); break;
+ case lltok::kw_readonly: B.addAttribute(Attribute::ReadOnly); break;
+ case lltok::kw_returns_twice:
+ B.addAttribute(Attribute::ReturnsTwice); break;
+ case lltok::kw_ssp: B.addAttribute(Attribute::StackProtect); break;
+ case lltok::kw_sspreq: B.addAttribute(Attribute::StackProtectReq); break;
+ case lltok::kw_sspstrong:
+ B.addAttribute(Attribute::StackProtectStrong); break;
+ case lltok::kw_safestack: B.addAttribute(Attribute::SafeStack); break;
+ case lltok::kw_sanitize_address:
+ B.addAttribute(Attribute::SanitizeAddress); break;
+ case lltok::kw_sanitize_thread:
+ B.addAttribute(Attribute::SanitizeThread); break;
+ case lltok::kw_sanitize_memory:
+ B.addAttribute(Attribute::SanitizeMemory); break;
+ case lltok::kw_uwtable: B.addAttribute(Attribute::UWTable); break;
// Error handling.
case lltok::kw_inreg:
@@ -1258,6 +1265,7 @@
case lltok::kw_alignstack:
case lltok::kw_alwaysinline:
+ case lltok::kw_argmemonly:
case lltok::kw_builtin:
case lltok::kw_inlinehint:
case lltok::kw_jumptable:
@@ -1334,6 +1342,7 @@
case lltok::kw_alignstack:
case lltok::kw_alwaysinline:
+ case lltok::kw_argmemonly:
case lltok::kw_builtin:
case lltok::kw_cold:
case lltok::kw_inlinehint:
diff --git a/llvm/lib/AsmParser/LLToken.h b/llvm/lib/AsmParser/LLToken.h
index 2487d12..691f085 100644
--- a/llvm/lib/AsmParser/LLToken.h
+++ b/llvm/lib/AsmParser/LLToken.h
@@ -100,6 +100,7 @@
// Attributes:
kw_attributes,
kw_alwaysinline,
+ kw_argmemonly,
kw_sanitize_address,
kw_builtin,
kw_byval,