1; RUN: opt -mtriple=s390x-unknown-linux -mcpu=z13 -passes=loop-vectorize \ 2; RUN: -force-vector-width=4 -debug-only=loop-vectorize \ 3; RUN: -enable-interleaved-mem-accesses=false -disable-output < %s 2>&1 \ 4; RUN: | FileCheck %s 5; REQUIRES: asserts 6; 7; Check that a scalarized load does not get a zero cost in a vectorized 8; loop. It can only be folded into the add operand in the scalar loop. 9 10define i32 @fun(ptr %data, i64 %n, i64 %s, ptr %Src) { 11entry: 12 br label %for.body 13 14for.body: 15 %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ] 16 %acc = phi i32 [ 0, %entry ], [ %acc_next, %for.body ] 17 %gep = getelementptr inbounds i32, ptr %Src, i64 %iv 18 %ld = load i32, ptr %gep 19 %acc_next = add i32 %acc, %ld 20 %iv.next = add nuw nsw i64 %iv, 2 21 %cmp110.us = icmp slt i64 %iv.next, %n 22 br i1 %cmp110.us, label %for.body, label %for.end 23 24for.end: 25 ret i32 %acc_next 26 27; CHECK: Found an estimated cost of 4 for VF 4 For instruction: %ld = load i32, ptr %gep 28} 29