[llvm] [AArch64][CostModel] Alter sdiv/srem cost where the divisor is constant (PR #123552)

[David Green via llvm-commits]

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@@ -5,29 +5,29 @@ target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
 
 define i32 @srem() {
 ; CHECK-LABEL: 'srem'
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 14 for instruction: %I128 = srem i128 undef, undef
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davemgreen wrote:

We will probably need the `if (Ty->isVectorTy() && (ISD == ISD::SDIV || ISD == ISD::UDIV)) {` line from #122236, to make sure that the non-constant versions are not affected.

https://github.com/llvm/llvm-project/pull/123552