1*ca4886bfSZhaoQi; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5 2*ca4886bfSZhaoQi; RUN: opt --mtriple=loongarch64 -mattr=+d --passes=loop-data-prefetch -S < %s | FileCheck %s 311674147SXiaodong Liu 411674147SXiaodong Liudefine void @foo(ptr %a, ptr %b) { 5*ca4886bfSZhaoQi; CHECK-LABEL: define void @foo( 6*ca4886bfSZhaoQi; CHECK-SAME: ptr [[A:%.*]], ptr [[B:%.*]]) #[[ATTR0:[0-9]+]] { 7*ca4886bfSZhaoQi; CHECK-NEXT: [[ENTRY:.*]]: 8*ca4886bfSZhaoQi; CHECK-NEXT: br label %[[FOR_BODY:.*]] 9*ca4886bfSZhaoQi; CHECK: [[FOR_BODY]]: 10*ca4886bfSZhaoQi; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, %[[ENTRY]] ], [ [[INDVARS_IV_NEXT:%.*]], %[[FOR_BODY]] ] 11*ca4886bfSZhaoQi; CHECK-NEXT: [[TMP0:%.*]] = shl nuw nsw i64 [[INDVARS_IV]], 3 12*ca4886bfSZhaoQi; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[TMP0]], 200 13*ca4886bfSZhaoQi; CHECK-NEXT: [[SCEVGEP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP1]] 14*ca4886bfSZhaoQi; CHECK-NEXT: [[TMP2:%.*]] = shl nuw nsw i64 [[INDVARS_IV]], 3 15*ca4886bfSZhaoQi; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[TMP2]], 200 16*ca4886bfSZhaoQi; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, ptr [[B]], i64 [[TMP3]] 17*ca4886bfSZhaoQi; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds double, ptr [[B]], i64 [[INDVARS_IV]] 18*ca4886bfSZhaoQi; CHECK-NEXT: call void @llvm.prefetch.p0(ptr [[SCEVGEP]], i32 0, i32 3, i32 1) 19*ca4886bfSZhaoQi; CHECK-NEXT: [[TMP4:%.*]] = load double, ptr [[ARRAYIDX]], align 8 20*ca4886bfSZhaoQi; CHECK-NEXT: [[ADD:%.*]] = fadd double [[TMP4]], 1.000000e+00 21*ca4886bfSZhaoQi; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds double, ptr [[A]], i64 [[INDVARS_IV]] 22*ca4886bfSZhaoQi; CHECK-NEXT: call void @llvm.prefetch.p0(ptr [[SCEVGEP1]], i32 1, i32 3, i32 1) 23*ca4886bfSZhaoQi; CHECK-NEXT: store double [[ADD]], ptr [[ARRAYIDX2]], align 8 24*ca4886bfSZhaoQi; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 25*ca4886bfSZhaoQi; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 1600 26*ca4886bfSZhaoQi; CHECK-NEXT: br i1 [[EXITCOND]], label %[[FOR_END:.*]], label %[[FOR_BODY]] 27*ca4886bfSZhaoQi; CHECK: [[FOR_END]]: 28*ca4886bfSZhaoQi; CHECK-NEXT: ret void 29*ca4886bfSZhaoQi; 3011674147SXiaodong Liuentry: 3111674147SXiaodong Liu br label %for.body 3211674147SXiaodong Liu 3311674147SXiaodong Liufor.body: ; preds = %for.body, %entry 3411674147SXiaodong Liu %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 3511674147SXiaodong Liu %arrayidx = getelementptr inbounds double, ptr %b, i64 %indvars.iv 3611674147SXiaodong Liu %0 = load double, ptr %arrayidx, align 8 3711674147SXiaodong Liu %add = fadd double %0, 1.000000e+00 3811674147SXiaodong Liu %arrayidx2 = getelementptr inbounds double, ptr %a, i64 %indvars.iv 3911674147SXiaodong Liu store double %add, ptr %arrayidx2, align 8 4011674147SXiaodong Liu %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 4111674147SXiaodong Liu %exitcond = icmp eq i64 %indvars.iv.next, 1600 4211674147SXiaodong Liu br i1 %exitcond, label %for.end, label %for.body 4311674147SXiaodong Liu 4411674147SXiaodong Liufor.end: ; preds = %for.body 4511674147SXiaodong Liu ret void 4611674147SXiaodong Liu} 47