"enable-npm-gvn-hoist", cl::init(false), cl::Hidden,
cl::desc("Enable the GVN hoisting pass for the new PM (default = off)"));
+static cl::opt<bool> EnableGVNSink(
+ "enable-npm-gvn-sink", cl::init(false), cl::Hidden,
+ cl::desc("Enable the GVN hoisting pass for the new PM (default = off)"));
+
static Regex DefaultAliasRegex(
"^(default|thinlto-pre-link|thinlto|lto-pre-link|lto)<(O[0123sz])>$");
if (EnableGVNHoist)
FPM.addPass(GVNHoistPass());
+ // Global value numbering based sinking.
+ if (EnableGVNSink) {
+ FPM.addPass(GVNSinkPass());
+ FPM.addPass(SimplifyCFGPass());
+ }
+
// Speculative execution if the target has divergent branches; otherwise nop.
FPM.addPass(SpeculativeExecutionPass());