[llvm] [ValueTypes][NFC] Generate EVT::getTypeForEVT from GenVT.inc (PR #96608)

[Matt Arsenault via llvm-commits]

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@@ -29,6 +32,54 @@ class VTEmitter {
 
 } // End anonymous namespace.
 
+std::string VTtoGetLLVMTyString(const Record *VT) {
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arsenm wrote:

static. Could also avoid the temp string if you just directly write to a passed in ostream 

https://github.com/llvm/llvm-project/pull/96608