| ; RUN: opt -S -loop-vectorize -scalable-vectorization=preferred -prefer-predicate-over-epilogue=predicate-dont-vectorize < %s | FileCheck %s |
| |
| ; CHECK-NOT: vector.body: |
| |
| target triple = "aarch64-unknown-linux-gnu" |
| |
| define void @tail_predication(i32 %init, i32* %ptr, i32 %val) #0 { |
| entry: |
| br label %while.body |
| |
| while.body: ; preds = %while.body, %entry |
| %index = phi i32 [ %index.dec, %while.body ], [ %init, %entry ] |
| %gep = getelementptr i32, i32* %ptr, i32 %index |
| store i32 %val, i32* %gep |
| %index.dec = add nsw i32 %index, -1 |
| %cmp10 = icmp sgt i32 %index, 0 |
| br i1 %cmp10, label %while.body, label %while.end.loopexit |
| |
| while.end.loopexit: ; preds = %while.body |
| ret void |
| } |
| |
| attributes #0 = { "target-features"="+sve" } |
