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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2011-10-12 19:51:18 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2011-10-12 19:51:18 +0000 |
| commit | 2d21ab024ed371ce2a45c8691d0676a4ed855cc1 (patch) | |
| tree | 41ec69341bd6b739149021a3287d76aa530ea02b /clang/lib/CodeGen/CGCall.cpp | |
| parent | a35d67dfd927191a16cf24931981d79901938381 (diff) | |
| download | bcm5719-llvm-2d21ab024ed371ce2a45c8691d0676a4ed855cc1.tar.gz bcm5719-llvm-2d21ab024ed371ce2a45c8691d0676a4ed855cc1.zip | |
Add returns_twice to functions that are known to return twice. This implements
the same behavior of gcc by keeping the attribute out of the function type.
llvm-svn: 141803
Diffstat (limited to 'clang/lib/CodeGen/CGCall.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CGCall.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp index f52abef3306..6ae2d0c9677 100644 --- a/clang/lib/CodeGen/CGCall.cpp +++ b/clang/lib/CodeGen/CGCall.cpp @@ -729,6 +729,8 @@ void CodeGenModule::ConstructAttributeList(const CGFunctionInfo &FI, // FIXME: handle sseregparm someday... if (TargetDecl) { + if (TargetDecl->hasAttr<ReturnsTwiceAttr>()) + FuncAttrs |= llvm::Attribute::ReturnsTwice; if (TargetDecl->hasAttr<NoThrowAttr>()) FuncAttrs |= llvm::Attribute::NoUnwind; else if (const FunctionDecl *Fn = dyn_cast<FunctionDecl>(TargetDecl)) { |
