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1;RUN: opt < %s -passes=loop-vectorize,instcombine -force-vector-width=4 -force-vector-interleave=1 -S | FileCheck %s2 3target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"4 5;; Check consecutive memory access without preceding GEP instruction6 7; for (int i=0; i<len; i++) {8; *to++ = *from++;9; }10 11; CHECK-LABEL: @consecutive_no_gep(12; CHECK: vector.body13; CHECK: %[[index:.*]] = phi i64 [ 0, %vector.ph ]14; CHECK: %[[offset:.*]] = shl i64 %[[index]], 215; CHECK: getelementptr i8, ptr %{{.*}}, i64 %[[offset]]16; CHECK: load <4 x float>17 18define void @consecutive_no_gep(ptr noalias nocapture readonly %from, ptr noalias nocapture %to, i32 %len) #0 {19entry:20 %cmp2 = icmp sgt i32 %len, 021 br i1 %cmp2, label %for.body.preheader, label %for.end22 23for.body.preheader: ; preds = %entry24 br label %for.body25 26for.body: ; preds = %for.body.preheader, %for.body27 %i.05 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ]28 %from.addr.04 = phi ptr [ %incdec.ptr, %for.body ], [ %from, %for.body.preheader ]29 %to.addr.03 = phi ptr [ %incdec.ptr1, %for.body ], [ %to, %for.body.preheader ]30 %incdec.ptr = getelementptr inbounds float, ptr %from.addr.04, i64 131 %val = load float, ptr %from.addr.04, align 432 %incdec.ptr1 = getelementptr inbounds float, ptr %to.addr.03, i64 133 store float %val, ptr %to.addr.03, align 434 %inc = add nsw i32 %i.05, 135 %cmp = icmp slt i32 %inc, %len36 br i1 %cmp, label %for.body, label %for.end.loopexit37 38for.end.loopexit: ; preds = %for.body39 br label %for.end40 41for.end: ; preds = %for.end.loopexit, %entry42 ret void43}44