Add code to skip the emission of available externally functions at -O0. WIP.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@92749 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index d497471..16a01cf 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -468,6 +468,16 @@
if (!CGRef->isDeclaration())
continue;
+ // Skip available externally functions at -O0
+ // FIXME: these aren't instantiated yet, so we can't yet do this.
+ if (0 && getCodeGenOpts().OptimizationLevel == 0)
+ if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D.getDecl())) {
+ GVALinkage Linkage = GetLinkageForFunction(getContext(), FD, Features);
+
+ if (Linkage == GVA_C99Inline)
+ continue;
+ }
+
// Otherwise, emit the definition and move on to the next one.
EmitGlobalDefinition(D);
}