commit 898d5776ec3ab8a35047e735c9c9059a4d189759
author Abinav Puthan Purayil <abinavpp@gmail.com> Thu Mar 31 16:33:28 2022 +0530
committer Abinav Puthan Purayil <abinavpp@gmail.com> Thu Mar 31 21:46:34 2022 +0530
tree 6395a899f00b0a313f61df0704114bc048f958d7
parent db17ebd593f67a9645aaabbbbf9f74afdfc1b6f1

[AMDGPU][GlobalISel] Scalarize add/sub with overflow ops in the legalizer

Differential Revision: https://reviews.llvm.org/D122803

llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp

diff --git a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
index 8dd8f99..f7b1d79 100644
--- a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
@@ -4243,6 +4243,14 @@
   case G_INTTOPTR:
   case G_PTRTOINT:
   case G_ADDRSPACE_CAST:
+  case G_UADDO:
+  case G_USUBO:
+  case G_UADDE:
+  case G_USUBE:
+  case G_SADDO:
+  case G_SSUBO:
+  case G_SADDE:
+  case G_SSUBE:
     return fewerElementsVectorMultiEltType(GMI, NumElts);
   case G_ICMP:
   case G_FCMP: