[llvm] [LLVM][IR] Add native vector support to ConstantInt & ConstantFP. (PR #74502)

[Nikita Popov via llvm-commits]

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@@ -885,6 +901,26 @@ ConstantInt *ConstantInt::get(LLVMContext &Context, const APInt &V) {
   return Slot.get();
 }
 
+// Get a ConstantInt vector with each lane set to the same APInt.
+ConstantInt *ConstantInt::get(LLVMContext &Context, ElementCount EC,
+                              const APInt &V) {
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nikic wrote:

If you implement them this way, you need to make the APIs private. Having this as a public API means that it should return old splat representation if the relevant options are disabled.

https://github.com/llvm/llvm-project/pull/74502