47 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 52; RUN: opt --mtriple=loongarch64 -mattr=+d --passes=loop-data-prefetch -S < %s | FileCheck %s3 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]], 312; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[TMP0]], 20013; CHECK-NEXT: [[SCEVGEP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP1]]14; CHECK-NEXT: [[TMP2:%.*]] = shl nuw nsw i64 [[INDVARS_IV]], 315; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[TMP2]], 20016; 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 820; CHECK-NEXT: [[ADD:%.*]] = fadd double [[TMP4]], 1.000000e+0021; 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 824; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 125; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 160026; CHECK-NEXT: br i1 [[EXITCOND]], label %[[FOR_END:.*]], label %[[FOR_BODY]]27; CHECK: [[FOR_END]]:28; CHECK-NEXT: ret void29;30entry:31 br label %for.body32 33for.body: ; preds = %for.body, %entry34 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]35 %arrayidx = getelementptr inbounds double, ptr %b, i64 %indvars.iv36 %0 = load double, ptr %arrayidx, align 837 %add = fadd double %0, 1.000000e+0038 %arrayidx2 = getelementptr inbounds double, ptr %a, i64 %indvars.iv39 store double %add, ptr %arrayidx2, align 840 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 141 %exitcond = icmp eq i64 %indvars.iv.next, 160042 br i1 %exitcond, label %for.end, label %for.body43 44for.end: ; preds = %for.body45 ret void46}47