; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6 ; RUN: opt -passes="default" -S < %s | FileCheck --check-prefixes=O1 %s ; RUN: opt -passes="default" -S < %s | FileCheck --check-prefixes=O23 %s ; RUN: opt -passes="default" -S < %s | FileCheck --check-prefixes=O23 %s target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" ; We should retain the TBAA on the load here, not lose it. define void @licm(ptr align 8 dereferenceable(8) %_M_start.i, i64 %numElem) { ; O1-LABEL: define void @licm( ; O1-SAME: ptr readonly align 8 captures(none) dereferenceable(8) [[_M_START_I:%.*]], i64 [[NUMELEM:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] { ; O1-NEXT: [[ENTRY:.*:]] ; O1-NEXT: [[CMP1_NOT:%.*]] = icmp eq i64 [[NUMELEM]], 0 ; O1-NEXT: br i1 [[CMP1_NOT]], label %[[FOR_COND_CLEANUP:.*]], label %[[FOR_BODY_LR_PH:.*]] ; O1: [[FOR_BODY_LR_PH]]: ; O1-NEXT: [[TMP0:%.*]] = load ptr, ptr [[_M_START_I]], align 8, !tbaa [[ANYPTR_TBAA3:![0-9]+]] ; O1-NEXT: br label %[[FOR_BODY:.*]] ; O1: [[FOR_BODY]]: ; O1-NEXT: [[K_02:%.*]] = phi i64 [ 0, %[[FOR_BODY_LR_PH]] ], [ [[INC:%.*]], %[[FOR_BODY]] ] ; O1-NEXT: [[ADD_PTR_I:%.*]] = getelementptr inbounds double, ptr [[TMP0]], i64 [[K_02]] ; O1-NEXT: store double 2.000000e+00, ptr [[ADD_PTR_I]], align 8, !tbaa [[DOUBLE_TBAA8:![0-9]+]] ; O1-NEXT: [[INC]] = add nuw i64 [[K_02]], 1 ; O1-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], [[NUMELEM]] ; O1-NEXT: br i1 [[EXITCOND_NOT]], label %[[FOR_COND_CLEANUP]], label %[[FOR_BODY]] ; O1: [[FOR_COND_CLEANUP]]: ; O1-NEXT: ret void ; ; O23-LABEL: define void @licm( ; O23-SAME: ptr readonly align 8 captures(none) dereferenceable(8) [[_M_START_I:%.*]], i64 [[NUMELEM:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] { ; O23-NEXT: [[ENTRY:.*:]] ; O23-NEXT: [[CMP1_NOT:%.*]] = icmp eq i64 [[NUMELEM]], 0 ; O23-NEXT: br i1 [[CMP1_NOT]], label %[[FOR_COND_CLEANUP:.*]], label %[[FOR_BODY_LR_PH:.*]] ; O23: [[FOR_BODY_LR_PH]]: ; O23-NEXT: [[TMP0:%.*]] = load ptr, ptr [[_M_START_I]], align 8, !tbaa [[ANYPTR_TBAA3:![0-9]+]] ; O23-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[NUMELEM]], 4 ; O23-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[FOR_BODY_PREHEADER:.*]], label %[[VECTOR_PH:.*]] ; O23: [[VECTOR_PH]]: ; O23-NEXT: [[N_VEC:%.*]] = and i64 [[NUMELEM]], -4 ; O23-NEXT: br label %[[VECTOR_BODY:.*]] ; O23: [[VECTOR_BODY]]: ; O23-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] ; O23-NEXT: [[TMP1:%.*]] = getelementptr inbounds double, ptr [[TMP0]], i64 [[INDEX]] ; O23-NEXT: [[TMP2:%.*]] = getelementptr inbounds nuw i8, ptr [[TMP1]], i64 16 ; O23-NEXT: store <2 x double> splat (double 2.000000e+00), ptr [[TMP1]], align 8, !tbaa [[DOUBLE_TBAA8:![0-9]+]] ; O23-NEXT: store <2 x double> splat (double 2.000000e+00), ptr [[TMP2]], align 8, !tbaa [[DOUBLE_TBAA8]] ; O23-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 ; O23-NEXT: [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] ; O23-NEXT: br i1 [[TMP3]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]] ; O23: [[MIDDLE_BLOCK]]: ; O23-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[NUMELEM]], [[N_VEC]] ; O23-NEXT: br i1 [[CMP_N]], label %[[FOR_COND_CLEANUP]], label %[[FOR_BODY_PREHEADER]] ; O23: [[FOR_BODY_PREHEADER]]: ; O23-NEXT: [[K_02_PH:%.*]] = phi i64 [ 0, %[[FOR_BODY_LR_PH]] ], [ [[N_VEC]], %[[MIDDLE_BLOCK]] ] ; O23-NEXT: br label %[[FOR_BODY:.*]] ; O23: [[FOR_BODY]]: ; O23-NEXT: [[K_02:%.*]] = phi i64 [ [[INC:%.*]], %[[FOR_BODY]] ], [ [[K_02_PH]], %[[FOR_BODY_PREHEADER]] ] ; O23-NEXT: [[ADD_PTR_I:%.*]] = getelementptr inbounds double, ptr [[TMP0]], i64 [[K_02]] ; O23-NEXT: store double 2.000000e+00, ptr [[ADD_PTR_I]], align 8, !tbaa [[DOUBLE_TBAA8]] ; O23-NEXT: [[INC]] = add nuw i64 [[K_02]], 1 ; O23-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], [[NUMELEM]] ; O23-NEXT: br i1 [[EXITCOND_NOT]], label %[[FOR_COND_CLEANUP]], label %[[FOR_BODY]], !llvm.loop [[LOOP13:![0-9]+]] ; O23: [[FOR_COND_CLEANUP]]: ; O23-NEXT: ret void ; entry: br label %for.cond for.cond: ; preds = %for.body, %entry %k.0 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %cmp = icmp ult i64 %k.0, %numElem br i1 %cmp, label %for.body, label %for.cond.cleanup for.body: ; preds = %for.cond %0 = load ptr, ptr %_M_start.i, align 8, !tbaa !3 %add.ptr.i = getelementptr inbounds double, ptr %0, i64 %k.0 store double 2.000000e+00, ptr %add.ptr.i, align 8, !tbaa !8 %inc = add nuw i64 %k.0, 1 br label %for.cond for.cond.cleanup: ; preds = %for.cond ret void } !llvm.module.flags = !{!0, !1} !llvm.ident = !{!2} !0 = !{i32 1, !"wchar_size", i32 4} !1 = !{i32 7, !"uwtable", i32 1} !2 = !{!"clang version 15.0.0 (https://github.com/llvm/llvm-project.git fc510998f7c287df2bc1304673e0cd8452d50b31)"} !3 = !{!4, !5, i64 0} !4 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE17_Vector_impl_dataE", !5, i64 0, !5, i64 8, !5, i64 16} !5 = !{!"any pointer", !6, i64 0} !6 = !{!"omnipotent char", !7, i64 0} !7 = !{!"Simple C++ TBAA"} !8 = !{!9, !9, i64 0} !9 = !{!"double", !6, i64 0} ;. ; O1: [[ANYPTR_TBAA3]] = !{[[META4:![0-9]+]], [[META5:![0-9]+]], i64 0} ; O1: [[META4]] = !{!"_ZTSNSt12_Vector_baseIdSaIdEE17_Vector_impl_dataE", [[META5]], i64 0, [[META5]], i64 8, [[META5]], i64 16} ; O1: [[META5]] = !{!"any pointer", [[META6:![0-9]+]], i64 0} ; O1: [[META6]] = !{!"omnipotent char", [[META7:![0-9]+]], i64 0} ; O1: [[META7]] = !{!"Simple C++ TBAA"} ; O1: [[DOUBLE_TBAA8]] = !{[[META9:![0-9]+]], [[META9]], i64 0} ; O1: [[META9]] = !{!"double", [[META6]], i64 0} ;. ; O23: [[ANYPTR_TBAA3]] = !{[[META4:![0-9]+]], [[META5:![0-9]+]], i64 0} ; O23: [[META4]] = !{!"_ZTSNSt12_Vector_baseIdSaIdEE17_Vector_impl_dataE", [[META5]], i64 0, [[META5]], i64 8, [[META5]], i64 16} ; O23: [[META5]] = !{!"any pointer", [[META6:![0-9]+]], i64 0} ; O23: [[META6]] = !{!"omnipotent char", [[META7:![0-9]+]], i64 0} ; O23: [[META7]] = !{!"Simple C++ TBAA"} ; O23: [[DOUBLE_TBAA8]] = !{[[META9:![0-9]+]], [[META9]], i64 0} ; O23: [[META9]] = !{!"double", [[META6]], i64 0} ; O23: [[LOOP10]] = distinct !{[[LOOP10]], [[META11:![0-9]+]], [[META12:![0-9]+]]} ; O23: [[META11]] = !{!"llvm.loop.isvectorized", i32 1} ; O23: [[META12]] = !{!"llvm.loop.unroll.runtime.disable"} ; O23: [[LOOP13]] = distinct !{[[LOOP13]], [[META12]], [[META11]]} ;.