; RUN: opt < %s -O3 -S | FileCheck %s target datalayout = "e-i64:64-v16:16-v32:32-n16:32:64" target triple = "nvptx64-nvidia-cuda" define void @no_vectorization(i32 %n, i32 %a, i32 %b) { ; CHECK-LABEL: no_vectorization( ; CHECK-NOT: <4 x i32> ; CHECK-NOT: <4 x i1> entry: %cmp.5 = icmp sgt i32 %n, 0 br i1 %cmp.5, label %for.body.preheader, label %for.cond.cleanup for.body.preheader: ; preds = %entry br label %for.body for.cond.cleanup.loopexit: ; preds = %for.body br label %for.cond.cleanup for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry ret void for.body: ; preds = %for.body.preheader, %for.body %i.06 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ] %add = add nsw i32 %i.06, %a %mul = mul nsw i32 %add, %b %cmp1 = icmp sgt i32 %mul, -1 tail call void @llvm.assume(i1 %cmp1) %inc = add nuw nsw i32 %i.06, 1 %exitcond = icmp eq i32 %inc, %n br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body } declare void @llvm.assume(i1) #0 attributes #0 = { nounwind } !nvvm.annotations = !{!0} !0 = !{void (i32, i32, i32)* @no_vectorization, !"kernel", i32 1}