[PM] Add GVNSink to the pipeline.
With this, the two pipelines should be in sync again (modulo
LoopUnswitch, but Chandler is actively working on that).
Differential Revision: https://reviews.llvm.org/D33810
llvm-svn: 304671
diff --git a/llvm/lib/Passes/PassBuilder.cpp b/llvm/lib/Passes/PassBuilder.cpp
index 17c6034..1f638e7 100644
--- a/llvm/lib/Passes/PassBuilder.cpp
+++ b/llvm/lib/Passes/PassBuilder.cpp
@@ -164,6 +164,10 @@
"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])>$");
@@ -314,6 +318,12 @@
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());