diff options
Diffstat (limited to 'llvm/test/Transforms/LoopVectorize/vplan-force-tail-with-evl.ll')
| -rw-r--r-- | llvm/test/Transforms/LoopVectorize/vplan-force-tail-with-evl.ll | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoopVectorize/vplan-force-tail-with-evl.ll b/llvm/test/Transforms/LoopVectorize/vplan-force-tail-with-evl.ll new file mode 100644 index 0000000..f510d47 --- /dev/null +++ b/llvm/test/Transforms/LoopVectorize/vplan-force-tail-with-evl.ll @@ -0,0 +1,37 @@ +; REQUIRES: asserts + +; RUN: opt -passes=loop-vectorize -debug-only=loop-vectorize \ +; RUN: -force-tail-folding-style=data-with-evl -force-vector-width=4 \ +; RUN: -force-target-supports-scalable-vectors -scalable-vectorization=on \ +; RUN: -disable-output < %s 2>&1 | FileCheck --check-prefixes=NO-VP %s + +; RUN: opt -passes=loop-vectorize -debug-only=loop-vectorize \ +; RUN: -force-tail-folding-style=none \ +; RUN: -prefer-predicate-over-epilogue=predicate-dont-vectorize \ +; RUN: -force-target-supports-scalable-vectors -scalable-vectorization=on \ +; RUN: -disable-output < %s 2>&1 | FileCheck --check-prefixes=NO-VP %s + +; The target does not support predicated vectorization. +define void @foo(ptr noalias %a, ptr noalias %b, ptr noalias %c, i64 %N) { +; NO-VP-NOT: EXPLICIT-VECTOR-LENGTH-BASED-IV-PHI + +entry: + br label %for.body + +for.body: + %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ] + %arrayidx = getelementptr inbounds i32, ptr %b, i64 %iv + %0 = load i32, ptr %arrayidx, align 4 + %arrayidx2 = getelementptr inbounds i32, ptr %c, i64 %iv + %1 = load i32, ptr %arrayidx2, align 4 + %add = add nsw i32 %1, %0 + %arrayidx4 = getelementptr inbounds i32, ptr %a, i64 %iv + store i32 %add, ptr %arrayidx4, align 4 + %iv.next = add nuw nsw i64 %iv, 1 + %exitcond.not = icmp eq i64 %iv.next, %N + br i1 %exitcond.not, label %for.cond.cleanup, label %for.body + +for.cond.cleanup: + ret void +} + |