[PATCH] D31024: Bugfix in BasicTTIImpl::getIntrinsicInstrCost()

[Jonas Paulsson via Phabricator via llvm-commits]

jonpa created this revision.

Fix for http://bugs.llvm.org/show_bug.cgi?id=32285

Originated in 
https://reviews.llvm.org/D29540


https://reviews.llvm.org/D31024

Files:
  include/llvm/CodeGen/BasicTTIImpl.h


Index: include/llvm/CodeGen/BasicTTIImpl.h
===================================================================
--- include/llvm/CodeGen/BasicTTIImpl.h
+++ include/llvm/CodeGen/BasicTTIImpl.h
@@ -742,7 +742,9 @@
       // CostModel will pass a vector RetTy and VF is 1.
       unsigned ScalarizationCost = UINT_MAX;
       if (RetVF > 1 || VF > 1) {
-        ScalarizationCost = getScalarizationOverhead(RetTy, true, false);
+        ScalarizationCost = 0;
+        if (!RetTy->isVoidTy())
+          ScalarizationCost += getScalarizationOverhead(RetTy, true, false);
         ScalarizationCost += getOperandsScalarizationOverhead(Args, VF);
       }
 


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