1*0a6a1f1dSLionel Sambuc // RUN: %clang_cc1 -triple x86_64-linux-gnu -std=c++11 %s -emit-llvm -o - | FileCheck %s 2*0a6a1f1dSLionel Sambuc 3*0a6a1f1dSLionel Sambuc // PR10878 4*0a6a1f1dSLionel Sambuc 5*0a6a1f1dSLionel Sambuc struct S { S(); S(int); ~S(); int n; }; 6*0a6a1f1dSLionel Sambuc 7*0a6a1f1dSLionel Sambuc void *p = new S[2][3]{ { 1, 2, 3 }, { 4, 5, 6 } }; 8*0a6a1f1dSLionel Sambuc 9*0a6a1f1dSLionel Sambuc // CHECK-LABEL: define 10*0a6a1f1dSLionel Sambuc // CHECK: %[[ALLOC:.*]] = call noalias i8* @_Znam(i64 32) 11*0a6a1f1dSLionel Sambuc // CHECK: %[[COOKIE:.*]] = bitcast i8* %[[ALLOC]] to i64* 12*0a6a1f1dSLionel Sambuc // CHECK: store i64 6, i64* %[[COOKIE]] 13*0a6a1f1dSLionel Sambuc // CHECK: %[[START_AS_i8:.*]] = getelementptr inbounds i8* %[[ALLOC]], i64 8 14*0a6a1f1dSLionel Sambuc // CHECK: %[[START_AS_S:.*]] = bitcast i8* %[[START_AS_i8]] to %[[S:.*]]* 15*0a6a1f1dSLionel Sambuc // 16*0a6a1f1dSLionel Sambuc // Explicit initializers: 17*0a6a1f1dSLionel Sambuc // 18*0a6a1f1dSLionel Sambuc // { 1, 2, 3 } 19*0a6a1f1dSLionel Sambuc // 20*0a6a1f1dSLionel Sambuc // CHECK: %[[S_0:.*]] = bitcast %[[S]]* %[[START_AS_S]] to [3 x %[[S]]]* 21*0a6a1f1dSLionel Sambuc // 22*0a6a1f1dSLionel Sambuc // CHECK: %[[S_0_0:.*]] = getelementptr inbounds [3 x %[[S]]]* %[[S_0]], i64 0, i64 0 23*0a6a1f1dSLionel Sambuc // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_0]], i32 1) 24*0a6a1f1dSLionel Sambuc // CHECK: %[[S_0_1:.*]] = getelementptr inbounds %[[S]]* %[[S_0_0]], i64 1 25*0a6a1f1dSLionel Sambuc // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_1]], i32 2) 26*0a6a1f1dSLionel Sambuc // CHECK: %[[S_0_2:.*]] = getelementptr inbounds %[[S]]* %[[S_0_1]], i64 1 27*0a6a1f1dSLionel Sambuc // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_2]], i32 3) 28*0a6a1f1dSLionel Sambuc // 29*0a6a1f1dSLionel Sambuc // { 4, 5, 6 } 30*0a6a1f1dSLionel Sambuc // 31*0a6a1f1dSLionel Sambuc // CHECK: %[[S_1:.*]] = getelementptr inbounds [3 x %[[S]]]* %[[S_0]], i32 1 32*0a6a1f1dSLionel Sambuc // 33*0a6a1f1dSLionel Sambuc // CHECK: %[[S_1_0:.*]] = getelementptr inbounds [3 x %[[S]]]* %[[S_1]], i64 0, i64 0 34*0a6a1f1dSLionel Sambuc // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_0]], i32 4) 35*0a6a1f1dSLionel Sambuc // CHECK: %[[S_1_1:.*]] = getelementptr inbounds %[[S]]* %[[S_1_0]], i64 1 36*0a6a1f1dSLionel Sambuc // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_1]], i32 5) 37*0a6a1f1dSLionel Sambuc // CHECK: %[[S_1_2:.*]] = getelementptr inbounds %[[S]]* %[[S_1_1]], i64 1 38*0a6a1f1dSLionel Sambuc // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_2]], i32 6) 39*0a6a1f1dSLionel Sambuc // 40*0a6a1f1dSLionel Sambuc // CHECK-NOT: br i1 41*0a6a1f1dSLionel Sambuc // CHECK-NOT: call 42*0a6a1f1dSLionel Sambuc // CHECK: } 43*0a6a1f1dSLionel Sambuc 44*0a6a1f1dSLionel Sambuc int n; 45*0a6a1f1dSLionel Sambuc void *q = new S[n][3]{ { 1, 2, 3 }, { 4, 5, 6 } }; 46*0a6a1f1dSLionel Sambuc 47*0a6a1f1dSLionel Sambuc // CHECK-LABEL: define 48*0a6a1f1dSLionel Sambuc // 49*0a6a1f1dSLionel Sambuc // CHECK: load i32* @n 50*0a6a1f1dSLionel Sambuc // CHECK: call {{.*}} @llvm.umul.with.overflow.i64(i64 %[[N:.*]], i64 12) 51*0a6a1f1dSLionel Sambuc // CHECK: %[[ELTS:.*]] = mul i64 %[[N]], 3 52*0a6a1f1dSLionel Sambuc // CHECK: call {{.*}} @llvm.uadd.with.overflow.i64(i64 %{{.*}}, i64 8) 53*0a6a1f1dSLionel Sambuc // CHECK: %[[ALLOC:.*]] = call noalias i8* @_Znam(i64 %{{.*}}) 54*0a6a1f1dSLionel Sambuc // 55*0a6a1f1dSLionel Sambuc // CHECK: %[[COOKIE:.*]] = bitcast i8* %[[ALLOC]] to i64* 56*0a6a1f1dSLionel Sambuc // CHECK: store i64 %[[ELTS]], i64* %[[COOKIE]] 57*0a6a1f1dSLionel Sambuc // CHECK: %[[START_AS_i8:.*]] = getelementptr inbounds i8* %[[ALLOC]], i64 8 58*0a6a1f1dSLionel Sambuc // CHECK: %[[START_AS_S:.*]] = bitcast i8* %[[START_AS_i8]] to %[[S]]* 59*0a6a1f1dSLionel Sambuc // 60*0a6a1f1dSLionel Sambuc // Explicit initializers: 61*0a6a1f1dSLionel Sambuc // 62*0a6a1f1dSLionel Sambuc // { 1, 2, 3 } 63*0a6a1f1dSLionel Sambuc // 64*0a6a1f1dSLionel Sambuc // CHECK: %[[S_0:.*]] = bitcast %[[S]]* %[[START_AS_S]] to [3 x %[[S]]]* 65*0a6a1f1dSLionel Sambuc // 66*0a6a1f1dSLionel Sambuc // CHECK: %[[S_0_0:.*]] = getelementptr inbounds [3 x %[[S]]]* %[[S_0]], i64 0, i64 0 67*0a6a1f1dSLionel Sambuc // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_0]], i32 1) 68*0a6a1f1dSLionel Sambuc // CHECK: %[[S_0_1:.*]] = getelementptr inbounds %[[S]]* %[[S_0_0]], i64 1 69*0a6a1f1dSLionel Sambuc // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_1]], i32 2) 70*0a6a1f1dSLionel Sambuc // CHECK: %[[S_0_2:.*]] = getelementptr inbounds %[[S]]* %[[S_0_1]], i64 1 71*0a6a1f1dSLionel Sambuc // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_2]], i32 3) 72*0a6a1f1dSLionel Sambuc // 73*0a6a1f1dSLionel Sambuc // { 4, 5, 6 } 74*0a6a1f1dSLionel Sambuc // 75*0a6a1f1dSLionel Sambuc // CHECK: %[[S_1:.*]] = getelementptr inbounds [3 x %[[S]]]* %[[S_0]], i32 1 76*0a6a1f1dSLionel Sambuc // 77*0a6a1f1dSLionel Sambuc // CHECK: %[[S_1_0:.*]] = getelementptr inbounds [3 x %[[S]]]* %[[S_1]], i64 0, i64 0 78*0a6a1f1dSLionel Sambuc // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_0]], i32 4) 79*0a6a1f1dSLionel Sambuc // CHECK: %[[S_1_1:.*]] = getelementptr inbounds %[[S]]* %[[S_1_0]], i64 1 80*0a6a1f1dSLionel Sambuc // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_1]], i32 5) 81*0a6a1f1dSLionel Sambuc // CHECK: %[[S_1_2:.*]] = getelementptr inbounds %[[S]]* %[[S_1_1]], i64 1 82*0a6a1f1dSLionel Sambuc // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_2]], i32 6) 83*0a6a1f1dSLionel Sambuc // 84*0a6a1f1dSLionel Sambuc // And the rest. 85*0a6a1f1dSLionel Sambuc // 86*0a6a1f1dSLionel Sambuc // CHECK: %[[S_2:.*]] = getelementptr inbounds [3 x %[[S]]]* %[[S_1]], i32 1 87*0a6a1f1dSLionel Sambuc // CHECK: %[[S_2_AS_S:.*]] = bitcast [3 x %[[S]]]* %[[S_2]] to %[[S]]* 88*0a6a1f1dSLionel Sambuc // 89*0a6a1f1dSLionel Sambuc // CHECK: %[[REST:.*]] = sub i64 %[[ELTS]], 6 90*0a6a1f1dSLionel Sambuc // CHECK: icmp eq i64 %[[REST]], 0 91*0a6a1f1dSLionel Sambuc // CHECK: br i1 92*0a6a1f1dSLionel Sambuc // 93*0a6a1f1dSLionel Sambuc // CHECK: %[[END:.*]] = getelementptr inbounds %[[S]]* %[[S_2_AS_S]], i64 %[[REST]] 94*0a6a1f1dSLionel Sambuc // CHECK: br label 95*0a6a1f1dSLionel Sambuc // 96*0a6a1f1dSLionel Sambuc // CHECK: %[[CUR:.*]] = phi %[[S]]* [ %[[S_2_AS_S]], {{.*}} ], [ %[[NEXT:.*]], {{.*}} ] 97*0a6a1f1dSLionel Sambuc // CHECK: call void @_ZN1SC1Ev(%[[S]]* %[[CUR]]) 98*0a6a1f1dSLionel Sambuc // CHECK: %[[NEXT]] = getelementptr inbounds %[[S]]* %[[CUR]], i64 1 99*0a6a1f1dSLionel Sambuc // CHECK: icmp eq %[[S]]* %[[NEXT]], %[[END]] 100*0a6a1f1dSLionel Sambuc // CHECK: br i1 101*0a6a1f1dSLionel Sambuc // 102*0a6a1f1dSLionel Sambuc // CHECK: } 103*0a6a1f1dSLionel Sambuc 104*0a6a1f1dSLionel Sambuc struct T { int a; }; 105*0a6a1f1dSLionel Sambuc void *r = new T[n][3]{ { 1, 2, 3 }, { 4, 5, 6 } }; 106*0a6a1f1dSLionel Sambuc 107*0a6a1f1dSLionel Sambuc // CHECK-LABEL: define 108*0a6a1f1dSLionel Sambuc // 109*0a6a1f1dSLionel Sambuc // CHECK: load i32* @n 110*0a6a1f1dSLionel Sambuc // CHECK: call {{.*}} @llvm.umul.with.overflow.i64(i64 %[[N:.*]], i64 12) 111*0a6a1f1dSLionel Sambuc // CHECK: %[[ELTS:.*]] = mul i64 %[[N]], 3 112*0a6a1f1dSLionel Sambuc // 113*0a6a1f1dSLionel Sambuc // No cookie. 114*0a6a1f1dSLionel Sambuc // CHECK-NOT: @llvm.uadd.with.overflow 115*0a6a1f1dSLionel Sambuc // 116*0a6a1f1dSLionel Sambuc // CHECK: %[[ALLOC:.*]] = call noalias i8* @_Znam(i64 %{{.*}}) 117*0a6a1f1dSLionel Sambuc // 118*0a6a1f1dSLionel Sambuc // CHECK: %[[START_AS_T:.*]] = bitcast i8* %[[ALLOC]] to %[[T:.*]]* 119*0a6a1f1dSLionel Sambuc // 120*0a6a1f1dSLionel Sambuc // Explicit initializers: 121*0a6a1f1dSLionel Sambuc // 122*0a6a1f1dSLionel Sambuc // { 1, 2, 3 } 123*0a6a1f1dSLionel Sambuc // 124*0a6a1f1dSLionel Sambuc // CHECK: %[[T_0:.*]] = bitcast %[[T]]* %[[START_AS_T]] to [3 x %[[T]]]* 125*0a6a1f1dSLionel Sambuc // 126*0a6a1f1dSLionel Sambuc // CHECK: %[[T_0_0:.*]] = getelementptr inbounds [3 x %[[T]]]* %[[T_0]], i64 0, i64 0 127*0a6a1f1dSLionel Sambuc // CHECK: %[[T_0_0_0:.*]] = getelementptr inbounds %[[T]]* %[[T_0_0]], i32 0, i32 0 128*0a6a1f1dSLionel Sambuc // CHECK: store i32 1, i32* %[[T_0_0_0]] 129*0a6a1f1dSLionel Sambuc // CHECK: %[[T_0_1:.*]] = getelementptr inbounds %[[T]]* %[[T_0_0]], i64 1 130*0a6a1f1dSLionel Sambuc // CHECK: %[[T_0_1_0:.*]] = getelementptr inbounds %[[T]]* %[[T_0_1]], i32 0, i32 0 131*0a6a1f1dSLionel Sambuc // CHECK: store i32 2, i32* %[[T_0_1_0]] 132*0a6a1f1dSLionel Sambuc // CHECK: %[[T_0_2:.*]] = getelementptr inbounds %[[T]]* %[[T_0_1]], i64 1 133*0a6a1f1dSLionel Sambuc // CHECK: %[[T_0_2_0:.*]] = getelementptr inbounds %[[T]]* %[[T_0_2]], i32 0, i32 0 134*0a6a1f1dSLionel Sambuc // CHECK: store i32 3, i32* %[[T_0_2_0]] 135*0a6a1f1dSLionel Sambuc // 136*0a6a1f1dSLionel Sambuc // { 4, 5, 6 } 137*0a6a1f1dSLionel Sambuc // 138*0a6a1f1dSLionel Sambuc // CHECK: %[[T_1:.*]] = getelementptr inbounds [3 x %[[T]]]* %[[T_0]], i32 1 139*0a6a1f1dSLionel Sambuc // 140*0a6a1f1dSLionel Sambuc // CHECK: %[[T_1_0:.*]] = getelementptr inbounds [3 x %[[T]]]* %[[T_1]], i64 0, i64 0 141*0a6a1f1dSLionel Sambuc // CHECK: %[[T_1_0_0:.*]] = getelementptr inbounds %[[T]]* %[[T_1_0]], i32 0, i32 0 142*0a6a1f1dSLionel Sambuc // CHECK: store i32 4, i32* %[[T_1_0_0]] 143*0a6a1f1dSLionel Sambuc // CHECK: %[[T_1_1:.*]] = getelementptr inbounds %[[T]]* %[[T_1_0]], i64 1 144*0a6a1f1dSLionel Sambuc // CHECK: %[[T_1_1_0:.*]] = getelementptr inbounds %[[T]]* %[[T_1_1]], i32 0, i32 0 145*0a6a1f1dSLionel Sambuc // CHECK: store i32 5, i32* %[[T_1_1_0]] 146*0a6a1f1dSLionel Sambuc // CHECK: %[[T_1_2:.*]] = getelementptr inbounds %[[T]]* %[[T_1_1]], i64 1 147*0a6a1f1dSLionel Sambuc // CHECK: %[[T_1_2_0:.*]] = getelementptr inbounds %[[T]]* %[[T_1_2]], i32 0, i32 0 148*0a6a1f1dSLionel Sambuc // CHECK: store i32 6, i32* %[[T_1_2_0]] 149*0a6a1f1dSLionel Sambuc // 150*0a6a1f1dSLionel Sambuc // And the rest gets memset to 0. 151*0a6a1f1dSLionel Sambuc // 152*0a6a1f1dSLionel Sambuc // CHECK: %[[T_2:.*]] = getelementptr inbounds [3 x %[[T]]]* %[[T_1]], i32 1 153*0a6a1f1dSLionel Sambuc // CHECK: %[[T_2_AS_T:.*]] = bitcast [3 x %[[T]]]* %[[T_2]] to %[[T]]* 154*0a6a1f1dSLionel Sambuc // 155*0a6a1f1dSLionel Sambuc // CHECK: %[[SIZE:.*]] = sub i64 %{{.*}}, 24 156*0a6a1f1dSLionel Sambuc // CHECK: %[[REST:.*]] = bitcast %[[T]]* %[[T_2_AS_T]] to i8* 157*0a6a1f1dSLionel Sambuc // CHECK: call void @llvm.memset.p0i8.i64(i8* %[[REST]], i8 0, i64 %[[SIZE]], i32 4, i1 false) 158*0a6a1f1dSLionel Sambuc // 159*0a6a1f1dSLionel Sambuc // CHECK: } 160*0a6a1f1dSLionel Sambuc 161