diff options
| author | Chris Lattner <sabre@nondot.org> | 2009-04-13 05:44:34 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-04-13 05:44:34 +0000 |
| commit | 266c7bbbbcc4b326dea82e577de1a415d6acc23e (patch) | |
| tree | e880304f13d90f5926ead058f546b05e325dd5a2 /lib/CodeGen/MachineFunction.cpp | |
| parent | 2c71b8f64f571b34e8df2a83120a2e889627b8d4 (diff) | |
Add a new "available_externally" linkage type. This is intended
to support C99 inline, GNU extern inline, etc. Related bugzilla's
include PR3517, PR3100, & PR2933. Nothing uses this yet, but it
appears to work.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68940 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/MachineFunction.cpp')
| -rw-r--r-- | lib/CodeGen/MachineFunction.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/lib/CodeGen/MachineFunction.cpp b/lib/CodeGen/MachineFunction.cpp index bd7105fd28..18a040e554 100644 --- a/lib/CodeGen/MachineFunction.cpp +++ b/lib/CodeGen/MachineFunction.cpp @@ -38,8 +38,14 @@ using namespace llvm; static AnnotationID MF_AID( AnnotationManager::getID("CodeGen::MachineCodeForFunction")); -// Out of line virtual function to home classes. -void MachineFunctionPass::virtfn() {} +bool MachineFunctionPass::runOnFunction(Function &F) { + // Do not codegen any 'available_externally' functions at all, they have + // definitions outside the translation unit. + if (F.hasAvailableExternallyLinkage()) + return false; + + return runOnMachineFunction(MachineFunction::get(&F)); +} namespace { struct VISIBILITY_HIDDEN Printer : public MachineFunctionPass { |