[llvm] 76ca0d6 - [ConstantFolding] ConstantFoldScalarCall1 - early-out if getLibFunc fails. NFC.

[Simon Pilgrim via llvm-commits]

Author: Simon Pilgrim
Date: 2021-10-16T11:20:18+01:00
New Revision: 76ca0d67ab07929dd6d2d34327034bc87ff822a9

URL: https://github.com/llvm/llvm-project/commit/76ca0d67ab07929dd6d2d34327034bc87ff822a9
DIFF: https://github.com/llvm/llvm-project/commit/76ca0d67ab07929dd6d2d34327034bc87ff822a9.diff

LOG: [ConstantFolding] ConstantFoldScalarCall1 - early-out if getLibFunc fails. NFC.

Added: 
    

Modified: 
    llvm/lib/Analysis/ConstantFolding.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Analysis/ConstantFolding.cpp b/llvm/lib/Analysis/ConstantFolding.cpp
index 98d886c894fc7..8666954d611ec 100644
--- a/llvm/lib/Analysis/ConstantFolding.cpp
+++ b/llvm/lib/Analysis/ConstantFolding.cpp
@@ -2065,7 +2065,9 @@ static Constant *ConstantFoldScalarCall1(StringRef Name,
       return nullptr;
 
     LibFunc Func = NotLibFunc;
-    TLI->getLibFunc(Name, Func);
+    if (!TLI->getLibFunc(Name, Func))
+      return nullptr;
+
     switch (Func) {
     default:
       break;