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

[Paul Walker via llvm-commits]

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@@ -1384,6 +1440,16 @@ Constant *ConstantVector::getImpl(ArrayRef<Constant*> V) {
 
 Constant *ConstantVector::getSplat(ElementCount EC, Constant *V) {
   if (!EC.isScalable()) {
+    // Maintain special handling of zero.
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paulwalker-arm wrote:

I'm happy to take offers but see it as temporary.

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