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

[Benjamin Maxwell via llvm-commits]

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@@ -6,49 +6,55 @@
 
 #include <arm_sme.h>
 
-// CHECK-C-LABEL: define dso_local i64 @test_svcntsb(
+// CHECK-C-LABEL: define dso_local range(i64 0, -9223372036854775808) i64 @test_svcntsb(
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MacDue wrote:

Do you know where these range attributes have come from? From the langref it represents  "This attribute expresses the possible range of the parameter or return value", here I assume it's for return, which looks wrong.

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