[llvm] [RISCV][CostModel] Remove inst cost of cmp inst in cmp-select sequence. (PR #91158)

[Kito Cheng via llvm-commits]

================
@@ -715,7 +715,7 @@ define void @double_stride_ptr_iv(ptr %p, ptr %p2, i64 %stride) {
 ; STRIDED-NEXT:  entry:
 ; STRIDED-NEXT:    [[TMP0:%.*]] = call i64 @llvm.vscale.i64()
 ; STRIDED-NEXT:    [[TMP1:%.*]] = mul i64 [[TMP0]], 4
-; STRIDED-NEXT:    [[TMP2:%.*]] = call i64 @llvm.umax.i64(i64 32, i64 [[TMP1]])
+; STRIDED-NEXT:    [[TMP2:%.*]] = call i64 @llvm.umax.i64(i64 24, i64 [[TMP1]])
----------------
kito-cheng wrote:

curious why this changed?

https://github.com/llvm/llvm-project/pull/91158