From 35d9f488f5d3dd8918cba5e44d946ce5ce17339d Mon Sep 17 00:00:00 2001
From: senhuang42 <senhuang96@fb.com>
Date: Sat, 26 Sep 2020 11:13:39 -0400
Subject: [PATCH] Modify codepath to use opt parser exclusively if the
 compression level is high enough

---
 lib/compress/zstd_ldm.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/compress/zstd_ldm.c b/lib/compress/zstd_ldm.c
index dbfce3dce..c68693bd6 100644
--- a/lib/compress/zstd_ldm.c
+++ b/lib/compress/zstd_ldm.c
@@ -576,6 +576,13 @@ size_t ZSTD_ldm_blockCompress(rawSeqStore_t* rawSeqStore,
     /* Input positions */
     BYTE const* ip = istart;
 
+    if (cParams->strategy >= ZSTD_btopt) {
+        size_t lastLLSize;
+        ms->ldmSeqStore = *rawSeqStore; /* copy current seqStore */
+        lastLLSize = blockCompressor(ms, seqStore, rep, src, srcSize);
+        return lastLLSize;
+    }
+
     DEBUGLOG(5, "ZSTD_ldm_blockCompress: srcSize=%zu", srcSize);
     assert(rawSeqStore->pos <= rawSeqStore->size);
     assert(rawSeqStore->size <= rawSeqStore->capacity);