commit 238af52ded43597c45d4930caa09062fb1fe96b8
author Clement Courbet <courbet@google.com> Wed Mar 20 11:51:11 2019 +0000
committer Clement Courbet <courbet@google.com> Wed Mar 20 11:51:11 2019 +0000
tree e8d2d4d402d043c86c74126bf8b3c01418120b1a
parent 2acca37a2dccea9e84a116c610e8f67f9abbd0a4

[ExpandMemCmp] Trigger on bcmp too.

Summary: Fixes 41150.

Reviewers: gchatelet

Subscribers: hiraditya, llvm-commits, ckennelly, sbenza, jyknight

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D59593

llvm-svn: 356550

llvm/lib/CodeGen/ExpandMemCmp.cpp

diff --git a/llvm/lib/CodeGen/ExpandMemCmp.cpp b/llvm/lib/CodeGen/ExpandMemCmp.cpp
index 0cd3380..9a05427 100644
--- a/llvm/lib/CodeGen/ExpandMemCmp.cpp
+++ b/llvm/lib/CodeGen/ExpandMemCmp.cpp
@@ -823,7 +823,8 @@
     }
     LibFunc Func;
     if (TLI->getLibFunc(ImmutableCallSite(CI), Func) &&
-        Func == LibFunc_memcmp && expandMemCmp(CI, TTI, TL, &DL)) {
+        (Func == LibFunc_memcmp || Func == LibFunc_bcmp) &&
+        expandMemCmp(CI, TTI, TL, &DL)) {
       return true;
     }
   }