[llvm] d51bc83 - [VPlan] Only skip live-ins with constants in materializeBroadccast (NFC)

[Florian Hahn via llvm-commits]

Author: Florian Hahn
Date: 2025-03-18T20:23:16Z
New Revision: d51bc835115f707f95acf37396f387b039e6bbc5

URL: https://github.com/llvm/llvm-project/commit/d51bc835115f707f95acf37396f387b039e6bbc5
DIFF: https://github.com/llvm/llvm-project/commit/d51bc835115f707f95acf37396f387b039e6bbc5.diff

LOG: [VPlan] Only skip live-ins with constants in materializeBroadccast (NFC)

Currently this should be NFC, but will be needed in future patches.

Added: 
    

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

Removed: 
    


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diff  --git a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
index ff7c0a9330944..2cf13d9d2ed54 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
@@ -2203,8 +2203,8 @@ void VPlanTransforms::materializeBroadcasts(VPlan &Plan) {
   for (VPValue *VPV : VPValues) {
     if (all_of(VPV->users(),
                [VPV](VPUser *U) { return U->usesScalars(VPV); }) ||
-        (VPV->isLiveIn() &&
-         (!VPV->getLiveInIRValue() || isa<Constant>(VPV->getLiveInIRValue()))))
+        (VPV->isLiveIn() && VPV->getLiveInIRValue() &&
+         isa<Constant>(VPV->getLiveInIRValue())))
       continue;
 
     // Add explicit broadcast at the insert point that dominates all users.