[clang] [KeyIntsr][Clang] Builtins alloca auto-init atom (PR #134651)

[Stephen Tozer via cfe-commits]

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@@ -4466,7 +4473,8 @@ RValue CodeGenFunction::EmitBuiltinExpr(const GlobalDecl 
GD, unsigned BuiltinID,
     Value *SizeVal = EmitScalarExpr(E->getArg(2));
     EmitNonNullArgCheck(Dest, E->getArg(0)->getType(),
                         E->getArg(0)->getExprLoc(), FD, 0);
-    Builder.CreateMemSet(Dest, ByteVal, SizeVal, false);
+    auto *I = Builder.CreateMemSet(Dest, ByteVal, SizeVal, false);
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SLTozer wrote:

One last question, for this (and possibly other memsets) is it possible that 
the src argument is an instruction, and if so should it be get a rank 2 
location?

https://github.com/llvm/llvm-project/pull/134651
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