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Make sure we don't inline functions marked with __attribute__((naked)). <rdar://problem/9973228>

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llvm-svn: 138310
This commit is contained in:
Eli Friedman
2011-08-22 23:55:33 +00:00
parent 5b31d7acf7
commit c55efe4fb2
2 changed files with 18 additions and 6 deletions
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13
clang/lib/CodeGen/CodeGenModule.cpp
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@@ -472,15 +472,20 @@ void CodeGenModule::SetLLVMFunctionAttributesForDefinition(const Decl *D,
if (!Features.Exceptions && !Features.ObjCNonFragileABI)
F->addFnAttr(llvm::Attribute::NoUnwind);
if (D->hasAttr<AlwaysInlineAttr>())
F->addFnAttr(llvm::Attribute::AlwaysInline);
if (D->hasAttr<NakedAttr>())
if (D->hasAttr<NakedAttr>()) {
// Naked implies noinline: we should not be inlining such functions.
F->addFnAttr(llvm::Attribute::Naked);
F->addFnAttr(llvm::Attribute::NoInline);
}
if (D->hasAttr<NoInlineAttr>())
F->addFnAttr(llvm::Attribute::NoInline);
// (noinline wins over always_inline, and we can't specify both in IR)
if (D->hasAttr<AlwaysInlineAttr>() &&
!F->hasFnAttr(llvm::Attribute::NoInline))
F->addFnAttr(llvm::Attribute::AlwaysInline);
if (isa<CXXConstructorDecl>(D) || isa<CXXDestructorDecl>(D))
F->setUnnamedAddr(true);