static cl::opt<bool> EarlyLiveIntervals("early-live-intervals", cl::Hidden,
cl::desc("Run live interval analysis earlier in the pipeline"));
+static cl::opt<bool> UseCFLAA("use-cfl-aa-in-codegen",
+ cl::init(false), cl::Hidden,
+ cl::desc("Enable the new, experimental CFL alias analysis in CodeGen"));
+
/// Allow standard passes to be disabled by command line options. This supports
/// simple binary flags that either suppress the pass or do nothing.
/// i.e. -disable-mypass=false has no effect.
// Add TypeBasedAliasAnalysis before BasicAliasAnalysis so that
// BasicAliasAnalysis wins if they disagree. This is intended to help
// support "obvious" type-punning idioms.
+ if (UseCFLAA)
+ addPass(createCFLAliasAnalysisPass());
addPass(createTypeBasedAliasAnalysisPass());
addPass(createScopedNoAliasAAPass());
addPass(createBasicAliasAnalysisPass());