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1; RUN: opt -passes=loop-load-elim -S < %s | FileCheck %s2 3; The accesses to A are independent here but LAA reports it as a loop-carried4; forward dependence. Check that we don't perform st->ld forwarding between5; them.6;7; for (unsigned i = 0; i < 100; i++) {8; A[i][1] = B[i] + 2;9; C[i] = A[i][0] * 2;10; }11 12target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"13 14define void @f(ptr noalias %A, ptr noalias %B, ptr noalias %C, i64 %N) {15 16entry:17 br label %for.body18 19for.body: ; preds = %for.body, %entry20 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]21 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 122 23 %A1idx = getelementptr inbounds [2 x i32], ptr %A, i64 %indvars.iv, i32 124 %Bidx = getelementptr inbounds i32, ptr %B, i64 %indvars.iv25 %Cidx = getelementptr inbounds i32, ptr %C, i64 %indvars.iv26 %A0idx = getelementptr inbounds [2 x i32], ptr %A, i64 %indvars.iv, i32 027 28 %b = load i32, ptr %Bidx, align 429 %a_p1 = add i32 %b, 230 store i32 %a_p1, ptr %A1idx, align 431 32; CHECK: %a = load i32, ptr %A0idx, align 433 %a = load i32, ptr %A0idx, align 434; CHECK: %c = mul i32 %a, 235 %c = mul i32 %a, 236 store i32 %c, ptr %Cidx, align 437 38 %exitcond = icmp eq i64 %indvars.iv.next, %N39 br i1 %exitcond, label %for.end, label %for.body40 41for.end: ; preds = %for.body42 ret void43}44