================
@@ -177,16 +177,16 @@ define void @add_unique_ind32(ptr noalias nocapture %a,
i64 %n) {
; CHECK-LABEL: @add_unique_ind32(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT: [[TMP1:%.*]] = shl i64 [[TMP0]], 2
+; CHECK-NEXT: [[TMP1:%.*]] = shl nuw i64 [[TMP0]], 2
----------------
fhahn wrote:
Yep the current users assume it doesn't wrap, but I think it would probably be
good to back that assumption with a adjustment to langref before relying even
more on that assumption. One way to do so would be to add a cap on the possible
value of `vscale`: https://github.com/llvm/llvm-project/pull/144607
https://github.com/llvm/llvm-project/pull/143532
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