[clang] [llvm] [mlir] [AArch64][SME] Improve codegen for aarch64.sme.cnts* when not in streaming mode (PR #154761)

[Paul Walker via llvm-commits]

================
@@ -4304,9 +4304,10 @@ Value *CodeGenFunction::EmitSMELd1St1(const SVETypeFlags &TypeFlags,
   // size in bytes.
   if (Ops.size() == 5) {
     Function *StreamingVectorLength =
-        CGM.getIntrinsic(Intrinsic::aarch64_sme_cntsb);
+        CGM.getIntrinsic(Intrinsic::aarch64_sme_cntsd);
     llvm::Value *StreamingVectorLengthCall =
-        Builder.CreateCall(StreamingVectorLength);
+        Builder.CreateMul(Builder.CreateCall(StreamingVectorLength),
+                          llvm::ConstantInt::get(Int64Ty, 8), "svl");
----------------
paulwalker-arm wrote:

Is there anything that prevents the addition of no-wrap flags here?

https://github.com/llvm/llvm-project/pull/154761