1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5 2; RUN: opt --mtriple=loongarch64 -mattr=+d --passes=loop-data-prefetch -S < %s | FileCheck %s 3 4define void @foo(ptr %a, ptr %b) { 5; CHECK-LABEL: define void @foo( 6; CHECK-SAME: ptr [[A:%.*]], ptr [[B:%.*]]) #[[ATTR0:[0-9]+]] { 7; CHECK-NEXT: [[ENTRY:.*]]: 8; CHECK-NEXT: br label %[[FOR_BODY:.*]] 9; CHECK: [[FOR_BODY]]: 10; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, %[[ENTRY]] ], [ [[INDVARS_IV_NEXT:%.*]], %[[FOR_BODY]] ] 11; CHECK-NEXT: [[TMP0:%.*]] = shl nuw nsw i64 [[INDVARS_IV]], 3 12; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[TMP0]], 200 13; CHECK-NEXT: [[SCEVGEP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP1]] 14; CHECK-NEXT: [[TMP2:%.*]] = shl nuw nsw i64 [[INDVARS_IV]], 3 15; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[TMP2]], 200 16; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, ptr [[B]], i64 [[TMP3]] 17; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds double, ptr [[B]], i64 [[INDVARS_IV]] 18; CHECK-NEXT: call void @llvm.prefetch.p0(ptr [[SCEVGEP]], i32 0, i32 3, i32 1) 19; CHECK-NEXT: [[TMP4:%.*]] = load double, ptr [[ARRAYIDX]], align 8 20; CHECK-NEXT: [[ADD:%.*]] = fadd double [[TMP4]], 1.000000e+00 21; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds double, ptr [[A]], i64 [[INDVARS_IV]] 22; CHECK-NEXT: call void @llvm.prefetch.p0(ptr [[SCEVGEP1]], i32 1, i32 3, i32 1) 23; CHECK-NEXT: store double [[ADD]], ptr [[ARRAYIDX2]], align 8 24; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 25; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 1600 26; CHECK-NEXT: br i1 [[EXITCOND]], label %[[FOR_END:.*]], label %[[FOR_BODY]] 27; CHECK: [[FOR_END]]: 28; CHECK-NEXT: ret void 29; 30entry: 31 br label %for.body 32 33for.body: ; preds = %for.body, %entry 34 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 35 %arrayidx = getelementptr inbounds double, ptr %b, i64 %indvars.iv 36 %0 = load double, ptr %arrayidx, align 8 37 %add = fadd double %0, 1.000000e+00 38 %arrayidx2 = getelementptr inbounds double, ptr %a, i64 %indvars.iv 39 store double %add, ptr %arrayidx2, align 8 40 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 41 %exitcond = icmp eq i64 %indvars.iv.next, 1600 42 br i1 %exitcond, label %for.end, label %for.body 43 44for.end: ; preds = %for.body 45 ret void 46} 47