[llvm] [llvm] Use nullptr instead of 0 or NULL (NFC) (PR #165396)

[Kazu Hirata via llvm-commits]

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@@ -380,7 +380,7 @@ bool ExpandVariadics::runOnModule(Module &M) {
           if (CB->isIndirectCall()) {
             FunctionType *FTy = CB->getFunctionType();
             if (FTy->isVarArg())
-              Changed |= expandCall(M, Builder, CB, FTy, 0);
+              Changed |= expandCall(M, Builder, CB, FTy, nullptr);
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kazutakahirata wrote:

Fixed.

https://github.com/llvm/llvm-project/pull/165396