diff options
Diffstat (limited to 'lib/CodeGen/CGExprCXX.cpp')
-rw-r--r-- | lib/CodeGen/CGExprCXX.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/CodeGen/CGExprCXX.cpp b/lib/CodeGen/CGExprCXX.cpp index d02f074dd605f..a9865f3703d4a 100644 --- a/lib/CodeGen/CGExprCXX.cpp +++ b/lib/CodeGen/CGExprCXX.cpp @@ -1531,13 +1531,13 @@ llvm::Value *CodeGenFunction::EmitCXXNewExpr(const CXXNewExpr *E) { assert(E->getNumPlacementArgs() == 1); const Expr *arg = *E->placement_arguments().begin(); - AlignmentSource alignSource; - allocation = EmitPointerWithAlignment(arg, &alignSource); + LValueBaseInfo BaseInfo; + allocation = EmitPointerWithAlignment(arg, &BaseInfo); // The pointer expression will, in many cases, be an opaque void*. // In these cases, discard the computed alignment and use the // formal alignment of the allocated type. - if (alignSource != AlignmentSource::Decl) + if (BaseInfo.getAlignmentSource() != AlignmentSource::Decl) allocation = Address(allocation.getPointer(), allocAlign); // Set up allocatorArgs for the call to operator delete if it's not @@ -1658,8 +1658,9 @@ llvm::Value *CodeGenFunction::EmitCXXNewExpr(const CXXNewExpr *E) { // Passing pointer through invariant.group.barrier to avoid propagation of // vptrs information which may be included in previous type. + // To not break LTO with different optimizations levels, we do it regardless + // of optimization level. if (CGM.getCodeGenOpts().StrictVTablePointers && - CGM.getCodeGenOpts().OptimizationLevel > 0 && allocator->isReservedGlobalPlacementOperator()) result = Address(Builder.CreateInvariantGroupBarrier(result.getPointer()), result.getAlignment()); |