[llvm] [ValueTracking] Support scalable vector splats in computeKnownFPClass (PR #170325)

[Yingwei Zheng via llvm-commits]

================
@@ -2667,15 +2667,10 @@ define [4 x float] @constant_aggregate_zero() {
 }
 
 define <vscale x 4 x float> @scalable_splat_pnorm() {
-; CHECK-CV: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
-; CHECK-CV-LABEL: define noundef <vscale x 4 x float> @scalable_splat_pnorm
-; CHECK-CV-SAME: () #[[ATTR3]] {
-; CHECK-CV-NEXT:    ret <vscale x 4 x float> splat (float 1.000000e+00)
-;
-; CHECK-CI: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
-; CHECK-CI-LABEL: define noundef nofpclass(nan inf zero sub nnorm) <vscale x 4 x float> @scalable_splat_pnorm
-; CHECK-CI-SAME: () #[[ATTR3]] {
-; CHECK-CI-NEXT:    ret <vscale x 4 x float> splat (float 1.000000e+00)
+; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
----------------
dtcxzyw wrote:

Done.

https://github.com/llvm/llvm-project/pull/170325