Revert "[DSE] Enable initializes improvement"

[haopliu]

Reverts #119116

[llvmbot]

@llvm/pr-subscribers-llvm-transforms

Author: Haopeng Liu (haopliu)

Changes

Reverts llvm/llvm-project#119116

---

Full diff: https://github.com/llvm/llvm-project/pull/119590.diff

1 Files Affected:

• (modified) llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp (+2-2)

diff --git a/llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp b/llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp
index 778f83b7925691..09e8301b772d96 100644
--- a/llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp
+++ b/llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp
@@ -164,9 +164,9 @@ static cl::opt<bool>
     OptimizeMemorySSA("dse-optimize-memoryssa", cl::init(true), cl::Hidden,
                       cl::desc("Allow DSE to optimize memory accesses."));
 
-// TODO: remove this flag.
+// TODO: turn on and remove this flag.
 static cl::opt<bool> EnableInitializesImprovement(
-    "enable-dse-initializes-attr-improvement", cl::init(true), cl::Hidden,
+    "enable-dse-initializes-attr-improvement", cl::init(false), cl::Hidden,
     cl::desc("Enable the initializes attr improvement in DSE"));
 
 //===----------------------------------------------------------------------===//