; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -basic-aa -dse -S | FileCheck %s ; RUN: opt < %s -aa-pipeline=basic-aa -passes=dse -S | FileCheck %s target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" %struct.Village = type { [4 x %struct.Village*], %struct.Village*, %struct.List, %struct.Hosp, i32, i64 } %struct.List = type { %struct.List*, %struct.Patient*, %struct.List* } %struct.Patient = type { i32, i32, i32, %struct.Village* } %struct.Hosp = type { i32, i32, i32, %struct.List, %struct.List, %struct.List, %struct.List } declare %struct.Village* @alloc(%struct.Village*) define i8* @alloc_tree() { ; CHECK-LABEL: @alloc_tree( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[FVAL:%.*]] = alloca [4 x %struct.Village*], align 16 ; CHECK-NEXT: [[TMP0:%.*]] = bitcast [4 x %struct.Village*]* [[FVAL]] to i8* ; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 32, i8* nonnull [[TMP0]]) ; CHECK-NEXT: [[CALL:%.*]] = tail call dereferenceable_or_null(192) i8* @malloc(i64 192) ; CHECK-NEXT: [[TMP1:%.*]] = bitcast i8* [[CALL]] to %struct.Village* ; CHECK-NEXT: [[CALL3:%.*]] = tail call %struct.Village* @alloc(%struct.Village* [[TMP1]]) ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [4 x %struct.Village*], [4 x %struct.Village*]* [[FVAL]], i64 0, i64 3 ; CHECK-NEXT: store %struct.Village* [[CALL3]], %struct.Village** [[ARRAYIDX]], align 8 ; CHECK-NEXT: [[CALL3_1:%.*]] = tail call %struct.Village* @alloc(%struct.Village* [[TMP1]]) ; CHECK-NEXT: [[ARRAYIDX_1:%.*]] = getelementptr inbounds [4 x %struct.Village*], [4 x %struct.Village*]* [[FVAL]], i64 0, i64 2 ; CHECK-NEXT: store %struct.Village* [[CALL3_1]], %struct.Village** [[ARRAYIDX_1]], align 16 ; CHECK-NEXT: [[CALL3_2:%.*]] = tail call %struct.Village* @alloc(%struct.Village* [[TMP1]]) ; CHECK-NEXT: [[ARRAYIDX_2:%.*]] = getelementptr inbounds [4 x %struct.Village*], [4 x %struct.Village*]* [[FVAL]], i64 0, i64 1 ; CHECK-NEXT: store %struct.Village* [[CALL3_2]], %struct.Village** [[ARRAYIDX_2]], align 8 ; CHECK-NEXT: [[CALL3_3:%.*]] = tail call %struct.Village* @alloc(%struct.Village* [[TMP1]]) ; CHECK-NEXT: [[ARRAYIDX_3:%.*]] = getelementptr inbounds [4 x %struct.Village*], [4 x %struct.Village*]* [[FVAL]], i64 0, i64 0 ; CHECK-NEXT: store %struct.Village* [[CALL3_3]], %struct.Village** [[ARRAYIDX_3]], align 16 ; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 8 dereferenceable(32) [[CALL]], i8* nonnull align 16 dereferenceable(32) [[TMP0]], i64 32, i1 false) ; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 32, i8* nonnull [[TMP0]]) ; CHECK-NEXT: ret i8* [[CALL]] ; entry: %fval = alloca [4 x %struct.Village*], align 16 %0 = bitcast [4 x %struct.Village*]* %fval to i8* call void @llvm.lifetime.start.p0i8(i64 32, i8* nonnull %0) #7 %call = tail call dereferenceable_or_null(192) i8* @malloc(i64 192) #8 %1 = bitcast i8* %call to %struct.Village* %call3 = tail call %struct.Village* @alloc(%struct.Village* %1) %arrayidx = getelementptr inbounds [4 x %struct.Village*], [4 x %struct.Village*]* %fval, i64 0, i64 3 store %struct.Village* %call3, %struct.Village** %arrayidx, align 8 %call3.1 = tail call %struct.Village* @alloc(%struct.Village* %1) %arrayidx.1 = getelementptr inbounds [4 x %struct.Village*], [4 x %struct.Village*]* %fval, i64 0, i64 2 store %struct.Village* %call3.1, %struct.Village** %arrayidx.1, align 16 %call3.2 = tail call %struct.Village* @alloc(%struct.Village* %1) %arrayidx.2 = getelementptr inbounds [4 x %struct.Village*], [4 x %struct.Village*]* %fval, i64 0, i64 1 store %struct.Village* %call3.2, %struct.Village** %arrayidx.2, align 8 %call3.3 = tail call %struct.Village* @alloc(%struct.Village* %1) %arrayidx.3 = getelementptr inbounds [4 x %struct.Village*], [4 x %struct.Village*]* %fval, i64 0, i64 0 store %struct.Village* %call3.3, %struct.Village** %arrayidx.3, align 16 call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 8 dereferenceable(32) %call, i8* nonnull align 16 dereferenceable(32) %0, i64 32, i1 false) call void @llvm.lifetime.end.p0i8(i64 32, i8* nonnull %0) #7 ret i8* %call } declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture) declare noalias i8* @malloc(i64) declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture) declare void @llvm.memcpy.p0i8.p0i8.i64(i8* noalias nocapture writeonly, i8* noalias nocapture readonly, i64, i1 immarg)