diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 9c33640a51..160b92f389 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -56,14 +56,8 @@ namespace { CombinerGlobalAA("combiner-global-alias-analysis", cl::Hidden, cl::desc("Enable DAG combiner's use of IR alias analysis")); -// FIXME: Enable the use of TBAA. There are two known issues preventing this: -// 1. Stack coloring does not update TBAA when merging allocas -// 2. CGP inserts ptrtoint/inttoptr pairs when sinking address computations. -// Because BasicAA does not handle inttoptr, we'll often miss basic type -// punning idioms that we need to catch so we don't miscompile real-world -// code. static cl::opt<bool> - UseTBAA("combiner-use-tbaa", cl::Hidden, cl::init(false), + UseTBAA("combiner-use-tbaa", cl::Hidden, cl::init(true), cl::desc("Enable DAG combiner's use of TBAA")); #ifndef NDEBUG |