diff options
Diffstat (limited to 'lib/Transforms/IPO')
| -rw-r--r-- | lib/Transforms/IPO/MergeFunctions.cpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/lib/Transforms/IPO/MergeFunctions.cpp b/lib/Transforms/IPO/MergeFunctions.cpp index a43b69f3413..95a05d87348 100644 --- a/lib/Transforms/IPO/MergeFunctions.cpp +++ b/lib/Transforms/IPO/MergeFunctions.cpp @@ -628,9 +628,15 @@ void MergeFunctions::filterInstsUnrelatedToPDI( // call sites to point to F even when within the same translation unit. void MergeFunctions::writeThunk(Function *F, Function *G) { if (!G->isInterposable() && !MergeFunctionsPDI) { - // Redirect direct callers of G to F. (See note on MergeFunctionsPDI - // above). - replaceDirectCallers(G, F); + if (G->hasGlobalUnnamedAddr()) { + // If G's address is not significant, replace it entirely. + Constant *BitcastF = ConstantExpr::getBitCast(F, G->getType()); + G->replaceAllUsesWith(BitcastF); + } else { + // Redirect direct callers of G to F. (See note on MergeFunctionsPDI + // above). + replaceDirectCallers(G, F); + } } // If G was internal then we may have replaced all uses of G with F. If so, |