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Add a new "available_externally" linkage type. This is intended

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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
This commit is contained in:
Chris Lattner
2009-04-13 05:44:34 +00:00
parent 2c71b8f64f
commit 266c7bbbbc
19 changed files with 120 additions and 29 deletions
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10
lib/CodeGen/MachineFunction.cpp
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@ -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 {