1 ;; Tag this 'XFAIL' because we need a few more TTIs and ISels.
3 ; RUN: opt --mtriple=loongarch64 --passes=loop-data-prefetch -loongarch-enable-loop-data-prefetch -S < %s | FileCheck %s
5 define void @foo(ptr %a, ptr %b) {
10 for.body: ; preds = %for.body, %entry
11 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
12 %arrayidx = getelementptr inbounds double, ptr %b, i64 %indvars.iv
13 ; CHECK: call void @llvm.prefetch
14 %0 = load double, ptr %arrayidx, align 8
15 %add = fadd double %0, 1.000000e+00
16 %arrayidx2 = getelementptr inbounds double, ptr %a, i64 %indvars.iv
17 store double %add, ptr %arrayidx2, align 8
18 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
19 %exitcond = icmp eq i64 %indvars.iv.next, 1600
20 br i1 %exitcond, label %for.end, label %for.body
23 for.end: ; preds = %for.body