| ; 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} |