1*67e74705SXin Li // RUN: %clang_cc1 -triple x86_64-linux-gnu -std=c++11 %s -emit-llvm -o - | FileCheck %s 2*67e74705SXin Li 3*67e74705SXin Li // PR10878 4*67e74705SXin Li 5*67e74705SXin Li struct S { S(); S(int); ~S(); int n; }; 6*67e74705SXin Li 7*67e74705SXin Li void *p = new S[2][3]{ { 1, 2, 3 }, { 4, 5, 6 } }; 8*67e74705SXin Li 9*67e74705SXin Li // CHECK-LABEL: define 10*67e74705SXin Li // CHECK: %[[ALLOC:.*]] = call i8* @_Znam(i64 32) 11*67e74705SXin Li // CHECK: %[[COOKIE:.*]] = bitcast i8* %[[ALLOC]] to i64* 12*67e74705SXin Li // CHECK: store i64 6, i64* %[[COOKIE]] 13*67e74705SXin Li // CHECK: %[[START_AS_i8:.*]] = getelementptr inbounds i8, i8* %[[ALLOC]], i64 8 14*67e74705SXin Li // CHECK: %[[START_AS_S:.*]] = bitcast i8* %[[START_AS_i8]] to %[[S:.*]]* 15*67e74705SXin Li // 16*67e74705SXin Li // Explicit initializers: 17*67e74705SXin Li // 18*67e74705SXin Li // { 1, 2, 3 } 19*67e74705SXin Li // 20*67e74705SXin Li // CHECK: %[[S_0:.*]] = bitcast %[[S]]* %[[START_AS_S]] to [3 x %[[S]]]* 21*67e74705SXin Li // 22*67e74705SXin Li // CHECK: %[[S_0_0:.*]] = getelementptr inbounds [3 x %[[S]]], [3 x %[[S]]]* %[[S_0]], i64 0, i64 0 23*67e74705SXin Li // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_0]], i32 1) 24*67e74705SXin Li // CHECK: %[[S_0_1:.*]] = getelementptr inbounds %[[S]], %[[S]]* %[[S_0_0]], i64 1 25*67e74705SXin Li // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_1]], i32 2) 26*67e74705SXin Li // CHECK: %[[S_0_2:.*]] = getelementptr inbounds %[[S]], %[[S]]* %[[S_0_1]], i64 1 27*67e74705SXin Li // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_2]], i32 3) 28*67e74705SXin Li // 29*67e74705SXin Li // { 4, 5, 6 } 30*67e74705SXin Li // 31*67e74705SXin Li // CHECK: %[[S_1:.*]] = getelementptr inbounds [3 x %[[S]]], [3 x %[[S]]]* %[[S_0]], i64 1 32*67e74705SXin Li // 33*67e74705SXin Li // CHECK: %[[S_1_0:.*]] = getelementptr inbounds [3 x %[[S]]], [3 x %[[S]]]* %[[S_1]], i64 0, i64 0 34*67e74705SXin Li // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_0]], i32 4) 35*67e74705SXin Li // CHECK: %[[S_1_1:.*]] = getelementptr inbounds %[[S]], %[[S]]* %[[S_1_0]], i64 1 36*67e74705SXin Li // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_1]], i32 5) 37*67e74705SXin Li // CHECK: %[[S_1_2:.*]] = getelementptr inbounds %[[S]], %[[S]]* %[[S_1_1]], i64 1 38*67e74705SXin Li // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_2]], i32 6) 39*67e74705SXin Li // 40*67e74705SXin Li // CHECK-NOT: br i1 41*67e74705SXin Li // CHECK-NOT: call 42*67e74705SXin Li // CHECK: } 43*67e74705SXin Li 44*67e74705SXin Li int n; 45*67e74705SXin Li void *q = new S[n][3]{ { 1, 2, 3 }, { 4, 5, 6 } }; 46*67e74705SXin Li 47*67e74705SXin Li // CHECK-LABEL: define 48*67e74705SXin Li // 49*67e74705SXin Li // CHECK: load i32, i32* @n 50*67e74705SXin Li // CHECK: call {{.*}} @llvm.umul.with.overflow.i64(i64 %[[N:.*]], i64 12) 51*67e74705SXin Li // CHECK: %[[ELTS:.*]] = mul i64 %[[N]], 3 52*67e74705SXin Li // CHECK: call {{.*}} @llvm.uadd.with.overflow.i64(i64 %{{.*}}, i64 8) 53*67e74705SXin Li // CHECK: %[[ALLOC:.*]] = call i8* @_Znam(i64 %{{.*}}) 54*67e74705SXin Li // 55*67e74705SXin Li // CHECK: %[[COOKIE:.*]] = bitcast i8* %[[ALLOC]] to i64* 56*67e74705SXin Li // CHECK: store i64 %[[ELTS]], i64* %[[COOKIE]] 57*67e74705SXin Li // CHECK: %[[START_AS_i8:.*]] = getelementptr inbounds i8, i8* %[[ALLOC]], i64 8 58*67e74705SXin Li // CHECK: %[[START_AS_S:.*]] = bitcast i8* %[[START_AS_i8]] to %[[S]]* 59*67e74705SXin Li // 60*67e74705SXin Li // Explicit initializers: 61*67e74705SXin Li // 62*67e74705SXin Li // { 1, 2, 3 } 63*67e74705SXin Li // 64*67e74705SXin Li // CHECK: %[[S_0:.*]] = bitcast %[[S]]* %[[START_AS_S]] to [3 x %[[S]]]* 65*67e74705SXin Li // 66*67e74705SXin Li // CHECK: %[[S_0_0:.*]] = getelementptr inbounds [3 x %[[S]]], [3 x %[[S]]]* %[[S_0]], i64 0, i64 0 67*67e74705SXin Li // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_0]], i32 1) 68*67e74705SXin Li // CHECK: %[[S_0_1:.*]] = getelementptr inbounds %[[S]], %[[S]]* %[[S_0_0]], i64 1 69*67e74705SXin Li // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_1]], i32 2) 70*67e74705SXin Li // CHECK: %[[S_0_2:.*]] = getelementptr inbounds %[[S]], %[[S]]* %[[S_0_1]], i64 1 71*67e74705SXin Li // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_2]], i32 3) 72*67e74705SXin Li // 73*67e74705SXin Li // { 4, 5, 6 } 74*67e74705SXin Li // 75*67e74705SXin Li // CHECK: %[[S_1:.*]] = getelementptr inbounds [3 x %[[S]]], [3 x %[[S]]]* %[[S_0]], i64 1 76*67e74705SXin Li // 77*67e74705SXin Li // CHECK: %[[S_1_0:.*]] = getelementptr inbounds [3 x %[[S]]], [3 x %[[S]]]* %[[S_1]], i64 0, i64 0 78*67e74705SXin Li // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_0]], i32 4) 79*67e74705SXin Li // CHECK: %[[S_1_1:.*]] = getelementptr inbounds %[[S]], %[[S]]* %[[S_1_0]], i64 1 80*67e74705SXin Li // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_1]], i32 5) 81*67e74705SXin Li // CHECK: %[[S_1_2:.*]] = getelementptr inbounds %[[S]], %[[S]]* %[[S_1_1]], i64 1 82*67e74705SXin Li // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_2]], i32 6) 83*67e74705SXin Li // 84*67e74705SXin Li // And the rest. 85*67e74705SXin Li // 86*67e74705SXin Li // CHECK: %[[S_2:.*]] = getelementptr inbounds [3 x %[[S]]], [3 x %[[S]]]* %[[S_1]], i64 1 87*67e74705SXin Li // CHECK: %[[S_2_AS_S:.*]] = bitcast [3 x %[[S]]]* %[[S_2]] to %[[S]]* 88*67e74705SXin Li // 89*67e74705SXin Li // CHECK: %[[REST:.*]] = sub i64 %[[ELTS]], 6 90*67e74705SXin Li // CHECK: icmp eq i64 %[[REST]], 0 91*67e74705SXin Li // CHECK: br i1 92*67e74705SXin Li // 93*67e74705SXin Li // CHECK: %[[END:.*]] = getelementptr inbounds %[[S]], %[[S]]* %[[S_2_AS_S]], i64 %[[REST]] 94*67e74705SXin Li // CHECK: br label 95*67e74705SXin Li // 96*67e74705SXin Li // CHECK: %[[CUR:.*]] = phi %[[S]]* [ %[[S_2_AS_S]], {{.*}} ], [ %[[NEXT:.*]], {{.*}} ] 97*67e74705SXin Li // CHECK: call void @_ZN1SC1Ev(%[[S]]* %[[CUR]]) 98*67e74705SXin Li // CHECK: %[[NEXT]] = getelementptr inbounds %[[S]], %[[S]]* %[[CUR]], i64 1 99*67e74705SXin Li // CHECK: icmp eq %[[S]]* %[[NEXT]], %[[END]] 100*67e74705SXin Li // CHECK: br i1 101*67e74705SXin Li // 102*67e74705SXin Li // CHECK: } 103*67e74705SXin Li 104*67e74705SXin Li struct T { int a; }; 105*67e74705SXin Li void *r = new T[n][3]{ { 1, 2, 3 }, { 4, 5, 6 } }; 106*67e74705SXin Li 107*67e74705SXin Li // CHECK-LABEL: define 108*67e74705SXin Li // 109*67e74705SXin Li // CHECK: load i32, i32* @n 110*67e74705SXin Li // CHECK: call {{.*}} @llvm.umul.with.overflow.i64(i64 %[[N:.*]], i64 12) 111*67e74705SXin Li // CHECK: %[[ELTS:.*]] = mul i64 %[[N]], 3 112*67e74705SXin Li // 113*67e74705SXin Li // No cookie. 114*67e74705SXin Li // CHECK-NOT: @llvm.uadd.with.overflow 115*67e74705SXin Li // 116*67e74705SXin Li // CHECK: %[[ALLOC:.*]] = call i8* @_Znam(i64 %{{.*}}) 117*67e74705SXin Li // 118*67e74705SXin Li // CHECK: %[[START_AS_T:.*]] = bitcast i8* %[[ALLOC]] to %[[T:.*]]* 119*67e74705SXin Li // 120*67e74705SXin Li // Explicit initializers: 121*67e74705SXin Li // 122*67e74705SXin Li // { 1, 2, 3 } 123*67e74705SXin Li // 124*67e74705SXin Li // CHECK: %[[T_0:.*]] = bitcast %[[T]]* %[[START_AS_T]] to [3 x %[[T]]]* 125*67e74705SXin Li // 126*67e74705SXin Li // CHECK: %[[T_0_0:.*]] = getelementptr inbounds [3 x %[[T]]], [3 x %[[T]]]* %[[T_0]], i64 0, i64 0 127*67e74705SXin Li // CHECK: %[[T_0_0_0:.*]] = getelementptr inbounds %[[T]], %[[T]]* %[[T_0_0]], i32 0, i32 0 128*67e74705SXin Li // CHECK: store i32 1, i32* %[[T_0_0_0]] 129*67e74705SXin Li // CHECK: %[[T_0_1:.*]] = getelementptr inbounds %[[T]], %[[T]]* %[[T_0_0]], i64 1 130*67e74705SXin Li // CHECK: %[[T_0_1_0:.*]] = getelementptr inbounds %[[T]], %[[T]]* %[[T_0_1]], i32 0, i32 0 131*67e74705SXin Li // CHECK: store i32 2, i32* %[[T_0_1_0]] 132*67e74705SXin Li // CHECK: %[[T_0_2:.*]] = getelementptr inbounds %[[T]], %[[T]]* %[[T_0_1]], i64 1 133*67e74705SXin Li // CHECK: %[[T_0_2_0:.*]] = getelementptr inbounds %[[T]], %[[T]]* %[[T_0_2]], i32 0, i32 0 134*67e74705SXin Li // CHECK: store i32 3, i32* %[[T_0_2_0]] 135*67e74705SXin Li // 136*67e74705SXin Li // { 4, 5, 6 } 137*67e74705SXin Li // 138*67e74705SXin Li // CHECK: %[[T_1:.*]] = getelementptr inbounds [3 x %[[T]]], [3 x %[[T]]]* %[[T_0]], i64 1 139*67e74705SXin Li // 140*67e74705SXin Li // CHECK: %[[T_1_0:.*]] = getelementptr inbounds [3 x %[[T]]], [3 x %[[T]]]* %[[T_1]], i64 0, i64 0 141*67e74705SXin Li // CHECK: %[[T_1_0_0:.*]] = getelementptr inbounds %[[T]], %[[T]]* %[[T_1_0]], i32 0, i32 0 142*67e74705SXin Li // CHECK: store i32 4, i32* %[[T_1_0_0]] 143*67e74705SXin Li // CHECK: %[[T_1_1:.*]] = getelementptr inbounds %[[T]], %[[T]]* %[[T_1_0]], i64 1 144*67e74705SXin Li // CHECK: %[[T_1_1_0:.*]] = getelementptr inbounds %[[T]], %[[T]]* %[[T_1_1]], i32 0, i32 0 145*67e74705SXin Li // CHECK: store i32 5, i32* %[[T_1_1_0]] 146*67e74705SXin Li // CHECK: %[[T_1_2:.*]] = getelementptr inbounds %[[T]], %[[T]]* %[[T_1_1]], i64 1 147*67e74705SXin Li // CHECK: %[[T_1_2_0:.*]] = getelementptr inbounds %[[T]], %[[T]]* %[[T_1_2]], i32 0, i32 0 148*67e74705SXin Li // CHECK: store i32 6, i32* %[[T_1_2_0]] 149*67e74705SXin Li // 150*67e74705SXin Li // And the rest gets memset to 0. 151*67e74705SXin Li // 152*67e74705SXin Li // CHECK: %[[T_2:.*]] = getelementptr inbounds [3 x %[[T]]], [3 x %[[T]]]* %[[T_1]], i64 1 153*67e74705SXin Li // CHECK: %[[T_2_AS_T:.*]] = bitcast [3 x %[[T]]]* %[[T_2]] to %[[T]]* 154*67e74705SXin Li // 155*67e74705SXin Li // CHECK: %[[SIZE:.*]] = sub i64 %{{.*}}, 24 156*67e74705SXin Li // CHECK: %[[REST:.*]] = bitcast %[[T]]* %[[T_2_AS_T]] to i8* 157*67e74705SXin Li // CHECK: call void @llvm.memset.p0i8.i64(i8* %[[REST]], i8 0, i64 %[[SIZE]], i32 4, i1 false) 158*67e74705SXin Li // 159*67e74705SXin Li // CHECK: } 160*67e74705SXin Li 161