[clang] [CIR] cir.call with scalar return type (PR #135552)

[Erich Keane via cfe-commits]

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@@ -303,14 +305,23 @@ const CIRGenFunctionInfo &CIRGenTypes::arrangeCIRFunctionInfo() {
   assert(!cir::MissingFeatures::opCallCallConv());
 
   // Construction the function info. We co-allocate the ArgInfos.
-  fi = CIRGenFunctionInfo::create();
+  fi = CIRGenFunctionInfo::create(returnType);
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erichkeane wrote:

It looks like `functionInfos` is the one that ends up keeping long-term track of this for memoization, but that doesn't seem to do the destruction either.

https://github.com/llvm/llvm-project/pull/135552