1; RUN: opt < %s -passes=loop-vectorize -force-vector-interleave=4 -force-vector-width=4 -debug-only=loop-vectorize --disable-output -stats -S 2>&1 | FileCheck %s 2; REQUIRES: asserts 3 4; 5; We have 2 loops, one of them is vectorizable and the second one is not. 6; 7 8; CHECK: 2 loop-vectorize - Number of loops analyzed for vectorization 9; CHECK: 1 loop-vectorize - Number of loops vectorized 10 11target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" 12 13define void @vectorized(ptr nocapture %a, i64 %size) { 14entry: 15 %cmp1 = icmp sle i64 %size, 0 16 %cmp21 = icmp sgt i64 0, %size 17 %or.cond = or i1 %cmp1, %cmp21 18 br i1 %or.cond, label %for.end, label %for.body 19 20for.body: ; preds = %entry, %for.body 21 %indvars.iv2 = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ] 22 %arrayidx = getelementptr inbounds float, ptr %a, i64 %indvars.iv2 23 %0 = load float, ptr %arrayidx, align 4 24 %mul = fmul float %0, %0 25 store float %mul, ptr %arrayidx, align 4 26 %indvars.iv.next = add nuw nsw i64 %indvars.iv2, 1 27 %cmp2 = icmp sgt i64 %indvars.iv.next, %size 28 br i1 %cmp2, label %for.end, label %for.body 29 30for.end: ; preds = %entry, %for.body 31 ret void 32} 33 34define void @not_vectorized(ptr nocapture %a, i64 %size) { 35entry: 36 %cmp1 = icmp sle i64 %size, 0 37 %cmp21 = icmp sgt i64 0, %size 38 %or.cond = or i1 %cmp1, %cmp21 39 br i1 %or.cond, label %for.end, label %for.body 40 41for.body: ; preds = %entry, %for.body 42 %indvars.iv2 = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ] 43 %0 = add nsw i64 %indvars.iv2, -5 44 %arrayidx = getelementptr inbounds float, ptr %a, i64 %0 45 %1 = load float, ptr %arrayidx, align 4 46 %2 = add nsw i64 %indvars.iv2, 2 47 %arrayidx2 = getelementptr inbounds float, ptr %a, i64 %2 48 %3 = load float, ptr %arrayidx2, align 4 49 %mul = fmul float %1, %3 50 %arrayidx4 = getelementptr inbounds float, ptr %a, i64 %indvars.iv2 51 store float %mul, ptr %arrayidx4, align 4 52 %indvars.iv.next = add nuw nsw i64 %indvars.iv2, 1 53 %cmp2 = icmp sgt i64 %indvars.iv.next, %size 54 br i1 %cmp2, label %for.end, label %for.body 55 56for.end: ; preds = %entry, %for.body 57 ret void 58} 59