[llvm] f1d5e70 - [SLP][NFC]Do not check poison values for corresponding vectorized entries

[Alexey Bataev via llvm-commits]

Author: Alexey Bataev
Date: 2025-01-27T06:38:23-08:00
New Revision: f1d5e70a00fbc80f42977800e9299353b06d48cb

URL: https://github.com/llvm/llvm-project/commit/f1d5e70a00fbc80f42977800e9299353b06d48cb
DIFF: https://github.com/llvm/llvm-project/commit/f1d5e70a00fbc80f42977800e9299353b06d48cb.diff

LOG: [SLP][NFC]Do not check poison values for corresponding vectorized entries

No need to check poison values if they have been vectorized and/or mark
them as vectorized, it should work only for instructions.

Added: 
    

Modified: 
    llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
index eea6b32460d70c..640fcb56aab19b 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -3643,6 +3643,8 @@ class BoUpSLP {
     }
     if (!Last->isGather()) {
       for (Value *V : VL) {
+        if (isa<PoisonValue>(V))
+          continue;
         const TreeEntry *TE = getTreeEntry(V);
         assert((!TE || TE == Last || doesNotNeedToBeScheduled(V)) &&
                "Scalar already in tree!");