1 ; RUN: opt < %s -loop-vectorize -force-vector-interleave=4 -force-vector-width=4 -debug-only=loop-vectorize -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 11 target 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 target triple = "x86_64-unknown-linux-gnu" 13 14 define void @vectorized(float* nocapture %a, i64 %size) { 15 entry: 16 %cmp1 = icmp sle i64 %size, 0 17 %cmp21 = icmp sgt i64 0, %size 18 %or.cond = or i1 %cmp1, %cmp21 19 br i1 %or.cond, label %for.end, label %for.body 20 21 for.body: ; preds = %entry, %for.body 22 %indvars.iv2 = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ] 23 %arrayidx = getelementptr inbounds float, float* %a, i64 %indvars.iv2 24 %0 = load float, float* %arrayidx, align 4 25 %mul = fmul float %0, %0 26 store float %mul, float* %arrayidx, align 4 27 %indvars.iv.next = add nuw nsw i64 %indvars.iv2, 1 28 %cmp2 = icmp sgt i64 %indvars.iv.next, %size 29 br i1 %cmp2, label %for.end, label %for.body 30 31 for.end: ; preds = %entry, %for.body 32 ret void 33 } 34 35 define void @not_vectorized(float* nocapture %a, i64 %size) { 36 entry: 37 %cmp1 = icmp sle i64 %size, 0 38 %cmp21 = icmp sgt i64 0, %size 39 %or.cond = or i1 %cmp1, %cmp21 40 br i1 %or.cond, label %for.end, label %for.body 41 42 for.body: ; preds = %entry, %for.body 43 %indvars.iv2 = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ] 44 %0 = add nsw i64 %indvars.iv2, -5 45 %arrayidx = getelementptr inbounds float, float* %a, i64 %0 46 %1 = load float, float* %arrayidx, align 4 47 %2 = add nsw i64 %indvars.iv2, 2 48 %arrayidx2 = getelementptr inbounds float, float* %a, i64 %2 49 %3 = load float, float* %arrayidx2, align 4 50 %mul = fmul float %1, %3 51 %arrayidx4 = getelementptr inbounds float, float* %a, i64 %indvars.iv2 52 store float %mul, float* %arrayidx4, align 4 53 %indvars.iv.next = add nuw nsw i64 %indvars.iv2, 1 54 %cmp2 = icmp sgt i64 %indvars.iv.next, %size 55 br i1 %cmp2, label %for.end, label %for.body 56 57 for.end: ; preds = %entry, %for.body 58 ret void 59 } 60
