1 ; RUN: opt < %s -O3 -S | FileCheck %s 2 3 target datalayout = "e-i64:64-v16:16-v32:32-n16:32:64" 4 target triple = "nvptx64-nvidia-cuda" 5 6 define void @no_vectorization(i32 %n, i32 %a, i32 %b) { 7 ; CHECK-LABEL: no_vectorization( 8 ; CHECK-NOT: <4 x i32> 9 ; CHECK-NOT: <4 x i1> 10 entry: 11 %cmp.5 = icmp sgt i32 %n, 0 12 br i1 %cmp.5, label %for.body.preheader, label %for.cond.cleanup 13 14 for.body.preheader: ; preds = %entry 15 br label %for.body 16 17 for.cond.cleanup.loopexit: ; preds = %for.body 18 br label %for.cond.cleanup 19 20 for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry 21 ret void 22 23 for.body: ; preds = %for.body.preheader, %for.body 24 %i.06 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ] 25 %add = add nsw i32 %i.06, %a 26 %mul = mul nsw i32 %add, %b 27 %cmp1 = icmp sgt i32 %mul, -1 28 tail call void @llvm.assume(i1 %cmp1) 29 %inc = add nuw nsw i32 %i.06, 1 30 %exitcond = icmp eq i32 %inc, %n 31 br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body 32 } 33 34 declare void @llvm.assume(i1) #0 35 36 attributes #0 = { nounwind } 37 38 !nvvm.annotations = !{!0} 39 !0 = !{void (i32, i32, i32)* @no_vectorization, !"kernel", i32 1} 40
