1; REQUIRES: asserts 2 3; RUN: opt -passes=loop-vectorize -debug-only=loop-vectorize \ 4; RUN: -force-tail-folding-style=data-with-evl -force-vector-width=4 \ 5; RUN: -force-target-supports-scalable-vectors -scalable-vectorization=on \ 6; RUN: -disable-output < %s 2>&1 | FileCheck --check-prefixes=NO-VP %s 7 8; RUN: opt -passes=loop-vectorize -debug-only=loop-vectorize \ 9; RUN: -force-tail-folding-style=none \ 10; RUN: -prefer-predicate-over-epilogue=predicate-dont-vectorize \ 11; RUN: -force-target-supports-scalable-vectors -scalable-vectorization=on \ 12; RUN: -disable-output < %s 2>&1 | FileCheck --check-prefixes=NO-VP %s 13 14; The target does not support predicated vectorization. 15define void @foo(ptr noalias %a, ptr noalias %b, ptr noalias %c, i64 %N) { 16; NO-VP-NOT: EXPLICIT-VECTOR-LENGTH-BASED-IV-PHI 17 18entry: 19 br label %for.body 20 21for.body: 22 %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ] 23 %arrayidx = getelementptr inbounds i32, ptr %b, i64 %iv 24 %0 = load i32, ptr %arrayidx, align 4 25 %arrayidx2 = getelementptr inbounds i32, ptr %c, i64 %iv 26 %1 = load i32, ptr %arrayidx2, align 4 27 %add = add nsw i32 %1, %0 28 %arrayidx4 = getelementptr inbounds i32, ptr %a, i64 %iv 29 store i32 %add, ptr %arrayidx4, align 4 30 %iv.next = add nuw nsw i64 %iv, 1 31 %exitcond.not = icmp eq i64 %iv.next, %N 32 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body 33 34for.cond.cleanup: 35 ret void 36} 37 38