Bill Wendling | b66a0f4 | 2013-12-11 04:25:35 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple x86_64-linux-gnu -std=c++11 %s -emit-llvm -o - | FileCheck %s |
| 2 | |
| 3 | // PR10878 |
| 4 | |
| 5 | struct S { S(); S(int); ~S(); int n; }; |
| 6 | |
| 7 | void *p = new S[2][3]{ { 1, 2, 3 }, { 4, 5, 6 } }; |
| 8 | |
| 9 | // CHECK-LABEL: define |
| 10 | // CHECK: %[[ALLOC:.*]] = call noalias i8* @_Znam(i64 32) |
| 11 | // CHECK: %[[COOKIE:.*]] = bitcast i8* %[[ALLOC]] to i64* |
| 12 | // CHECK: store i64 6, i64* %[[COOKIE]] |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 13 | // CHECK: %[[START_AS_i8:.*]] = getelementptr inbounds i8, i8* %[[ALLOC]], i64 8 |
Bill Wendling | b66a0f4 | 2013-12-11 04:25:35 +0000 | [diff] [blame] | 14 | // CHECK: %[[START_AS_S:.*]] = bitcast i8* %[[START_AS_i8]] to %[[S:.*]]* |
| 15 | // |
| 16 | // Explicit initializers: |
| 17 | // |
| 18 | // { 1, 2, 3 } |
| 19 | // |
| 20 | // CHECK: %[[S_0:.*]] = bitcast %[[S]]* %[[START_AS_S]] to [3 x %[[S]]]* |
| 21 | // |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 22 | // CHECK: %[[S_0_0:.*]] = getelementptr inbounds [3 x %[[S]]], [3 x %[[S]]]* %[[S_0]], i64 0, i64 0 |
Bill Wendling | b66a0f4 | 2013-12-11 04:25:35 +0000 | [diff] [blame] | 23 | // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_0]], i32 1) |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 24 | // CHECK: %[[S_0_1:.*]] = getelementptr inbounds %[[S]], %[[S]]* %[[S_0_0]], i64 1 |
Bill Wendling | b66a0f4 | 2013-12-11 04:25:35 +0000 | [diff] [blame] | 25 | // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_1]], i32 2) |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 26 | // CHECK: %[[S_0_2:.*]] = getelementptr inbounds %[[S]], %[[S]]* %[[S_0_1]], i64 1 |
Bill Wendling | b66a0f4 | 2013-12-11 04:25:35 +0000 | [diff] [blame] | 27 | // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_2]], i32 3) |
| 28 | // |
| 29 | // { 4, 5, 6 } |
| 30 | // |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 31 | // CHECK: %[[S_1:.*]] = getelementptr inbounds [3 x %[[S]]], [3 x %[[S]]]* %[[S_0]], i32 1 |
Bill Wendling | b66a0f4 | 2013-12-11 04:25:35 +0000 | [diff] [blame] | 32 | // |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 33 | // CHECK: %[[S_1_0:.*]] = getelementptr inbounds [3 x %[[S]]], [3 x %[[S]]]* %[[S_1]], i64 0, i64 0 |
Bill Wendling | b66a0f4 | 2013-12-11 04:25:35 +0000 | [diff] [blame] | 34 | // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_0]], i32 4) |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 35 | // CHECK: %[[S_1_1:.*]] = getelementptr inbounds %[[S]], %[[S]]* %[[S_1_0]], i64 1 |
Bill Wendling | b66a0f4 | 2013-12-11 04:25:35 +0000 | [diff] [blame] | 36 | // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_1]], i32 5) |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 37 | // CHECK: %[[S_1_2:.*]] = getelementptr inbounds %[[S]], %[[S]]* %[[S_1_1]], i64 1 |
Bill Wendling | b66a0f4 | 2013-12-11 04:25:35 +0000 | [diff] [blame] | 38 | // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_2]], i32 6) |
| 39 | // |
| 40 | // CHECK-NOT: br i1 |
| 41 | // CHECK-NOT: call |
| 42 | // CHECK: } |
| 43 | |
| 44 | int n; |
| 45 | void *q = new S[n][3]{ { 1, 2, 3 }, { 4, 5, 6 } }; |
| 46 | |
| 47 | // CHECK-LABEL: define |
| 48 | // |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 49 | // CHECK: load i32, i32* @n |
Bill Wendling | b66a0f4 | 2013-12-11 04:25:35 +0000 | [diff] [blame] | 50 | // CHECK: call {{.*}} @llvm.umul.with.overflow.i64(i64 %[[N:.*]], i64 12) |
| 51 | // CHECK: %[[ELTS:.*]] = mul i64 %[[N]], 3 |
| 52 | // CHECK: call {{.*}} @llvm.uadd.with.overflow.i64(i64 %{{.*}}, i64 8) |
| 53 | // CHECK: %[[ALLOC:.*]] = call noalias i8* @_Znam(i64 %{{.*}}) |
| 54 | // |
| 55 | // CHECK: %[[COOKIE:.*]] = bitcast i8* %[[ALLOC]] to i64* |
| 56 | // CHECK: store i64 %[[ELTS]], i64* %[[COOKIE]] |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 57 | // CHECK: %[[START_AS_i8:.*]] = getelementptr inbounds i8, i8* %[[ALLOC]], i64 8 |
Bill Wendling | b66a0f4 | 2013-12-11 04:25:35 +0000 | [diff] [blame] | 58 | // CHECK: %[[START_AS_S:.*]] = bitcast i8* %[[START_AS_i8]] to %[[S]]* |
Bill Wendling | b66a0f4 | 2013-12-11 04:25:35 +0000 | [diff] [blame] | 59 | // |
| 60 | // Explicit initializers: |
| 61 | // |
| 62 | // { 1, 2, 3 } |
| 63 | // |
| 64 | // CHECK: %[[S_0:.*]] = bitcast %[[S]]* %[[START_AS_S]] to [3 x %[[S]]]* |
| 65 | // |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 66 | // CHECK: %[[S_0_0:.*]] = getelementptr inbounds [3 x %[[S]]], [3 x %[[S]]]* %[[S_0]], i64 0, i64 0 |
Bill Wendling | b66a0f4 | 2013-12-11 04:25:35 +0000 | [diff] [blame] | 67 | // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_0]], i32 1) |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 68 | // CHECK: %[[S_0_1:.*]] = getelementptr inbounds %[[S]], %[[S]]* %[[S_0_0]], i64 1 |
Bill Wendling | b66a0f4 | 2013-12-11 04:25:35 +0000 | [diff] [blame] | 69 | // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_1]], i32 2) |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 70 | // CHECK: %[[S_0_2:.*]] = getelementptr inbounds %[[S]], %[[S]]* %[[S_0_1]], i64 1 |
Bill Wendling | b66a0f4 | 2013-12-11 04:25:35 +0000 | [diff] [blame] | 71 | // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_2]], i32 3) |
| 72 | // |
| 73 | // { 4, 5, 6 } |
| 74 | // |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 75 | // CHECK: %[[S_1:.*]] = getelementptr inbounds [3 x %[[S]]], [3 x %[[S]]]* %[[S_0]], i32 1 |
Bill Wendling | b66a0f4 | 2013-12-11 04:25:35 +0000 | [diff] [blame] | 76 | // |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 77 | // CHECK: %[[S_1_0:.*]] = getelementptr inbounds [3 x %[[S]]], [3 x %[[S]]]* %[[S_1]], i64 0, i64 0 |
Bill Wendling | b66a0f4 | 2013-12-11 04:25:35 +0000 | [diff] [blame] | 78 | // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_0]], i32 4) |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 79 | // CHECK: %[[S_1_1:.*]] = getelementptr inbounds %[[S]], %[[S]]* %[[S_1_0]], i64 1 |
Bill Wendling | b66a0f4 | 2013-12-11 04:25:35 +0000 | [diff] [blame] | 80 | // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_1]], i32 5) |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 81 | // CHECK: %[[S_1_2:.*]] = getelementptr inbounds %[[S]], %[[S]]* %[[S_1_1]], i64 1 |
Bill Wendling | b66a0f4 | 2013-12-11 04:25:35 +0000 | [diff] [blame] | 82 | // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_2]], i32 6) |
| 83 | // |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 84 | // And the rest. |
| 85 | // |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 86 | // CHECK: %[[S_2:.*]] = getelementptr inbounds [3 x %[[S]]], [3 x %[[S]]]* %[[S_1]], i32 1 |
Bill Wendling | b66a0f4 | 2013-12-11 04:25:35 +0000 | [diff] [blame] | 87 | // CHECK: %[[S_2_AS_S:.*]] = bitcast [3 x %[[S]]]* %[[S_2]] to %[[S]]* |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 88 | // |
| 89 | // CHECK: %[[REST:.*]] = sub i64 %[[ELTS]], 6 |
| 90 | // CHECK: icmp eq i64 %[[REST]], 0 |
Bill Wendling | b66a0f4 | 2013-12-11 04:25:35 +0000 | [diff] [blame] | 91 | // CHECK: br i1 |
| 92 | // |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 93 | // CHECK: %[[END:.*]] = getelementptr inbounds %[[S]], %[[S]]* %[[S_2_AS_S]], i64 %[[REST]] |
Bill Wendling | b66a0f4 | 2013-12-11 04:25:35 +0000 | [diff] [blame] | 94 | // CHECK: br label |
| 95 | // |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 96 | // CHECK: %[[CUR:.*]] = phi %[[S]]* [ %[[S_2_AS_S]], {{.*}} ], [ %[[NEXT:.*]], {{.*}} ] |
| 97 | // CHECK: call void @_ZN1SC1Ev(%[[S]]* %[[CUR]]) |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 98 | // CHECK: %[[NEXT]] = getelementptr inbounds %[[S]], %[[S]]* %[[CUR]], i64 1 |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 99 | // CHECK: icmp eq %[[S]]* %[[NEXT]], %[[END]] |
Bill Wendling | b66a0f4 | 2013-12-11 04:25:35 +0000 | [diff] [blame] | 100 | // CHECK: br i1 |
| 101 | // |
| 102 | // CHECK: } |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 103 | |
| 104 | struct T { int a; }; |
| 105 | void *r = new T[n][3]{ { 1, 2, 3 }, { 4, 5, 6 } }; |
| 106 | |
| 107 | // CHECK-LABEL: define |
| 108 | // |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 109 | // CHECK: load i32, i32* @n |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 110 | // CHECK: call {{.*}} @llvm.umul.with.overflow.i64(i64 %[[N:.*]], i64 12) |
| 111 | // CHECK: %[[ELTS:.*]] = mul i64 %[[N]], 3 |
| 112 | // |
| 113 | // No cookie. |
| 114 | // CHECK-NOT: @llvm.uadd.with.overflow |
| 115 | // |
| 116 | // CHECK: %[[ALLOC:.*]] = call noalias i8* @_Znam(i64 %{{.*}}) |
| 117 | // |
| 118 | // CHECK: %[[START_AS_T:.*]] = bitcast i8* %[[ALLOC]] to %[[T:.*]]* |
| 119 | // |
| 120 | // Explicit initializers: |
| 121 | // |
| 122 | // { 1, 2, 3 } |
| 123 | // |
| 124 | // CHECK: %[[T_0:.*]] = bitcast %[[T]]* %[[START_AS_T]] to [3 x %[[T]]]* |
| 125 | // |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 126 | // CHECK: %[[T_0_0:.*]] = getelementptr inbounds [3 x %[[T]]], [3 x %[[T]]]* %[[T_0]], i64 0, i64 0 |
| 127 | // CHECK: %[[T_0_0_0:.*]] = getelementptr inbounds %[[T]], %[[T]]* %[[T_0_0]], i32 0, i32 0 |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 128 | // CHECK: store i32 1, i32* %[[T_0_0_0]] |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 129 | // CHECK: %[[T_0_1:.*]] = getelementptr inbounds %[[T]], %[[T]]* %[[T_0_0]], i64 1 |
| 130 | // CHECK: %[[T_0_1_0:.*]] = getelementptr inbounds %[[T]], %[[T]]* %[[T_0_1]], i32 0, i32 0 |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 131 | // CHECK: store i32 2, i32* %[[T_0_1_0]] |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 132 | // CHECK: %[[T_0_2:.*]] = getelementptr inbounds %[[T]], %[[T]]* %[[T_0_1]], i64 1 |
| 133 | // CHECK: %[[T_0_2_0:.*]] = getelementptr inbounds %[[T]], %[[T]]* %[[T_0_2]], i32 0, i32 0 |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 134 | // CHECK: store i32 3, i32* %[[T_0_2_0]] |
| 135 | // |
| 136 | // { 4, 5, 6 } |
| 137 | // |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 138 | // CHECK: %[[T_1:.*]] = getelementptr inbounds [3 x %[[T]]], [3 x %[[T]]]* %[[T_0]], i32 1 |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 139 | // |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 140 | // CHECK: %[[T_1_0:.*]] = getelementptr inbounds [3 x %[[T]]], [3 x %[[T]]]* %[[T_1]], i64 0, i64 0 |
| 141 | // CHECK: %[[T_1_0_0:.*]] = getelementptr inbounds %[[T]], %[[T]]* %[[T_1_0]], i32 0, i32 0 |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 142 | // CHECK: store i32 4, i32* %[[T_1_0_0]] |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 143 | // CHECK: %[[T_1_1:.*]] = getelementptr inbounds %[[T]], %[[T]]* %[[T_1_0]], i64 1 |
| 144 | // CHECK: %[[T_1_1_0:.*]] = getelementptr inbounds %[[T]], %[[T]]* %[[T_1_1]], i32 0, i32 0 |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 145 | // CHECK: store i32 5, i32* %[[T_1_1_0]] |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 146 | // CHECK: %[[T_1_2:.*]] = getelementptr inbounds %[[T]], %[[T]]* %[[T_1_1]], i64 1 |
| 147 | // CHECK: %[[T_1_2_0:.*]] = getelementptr inbounds %[[T]], %[[T]]* %[[T_1_2]], i32 0, i32 0 |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 148 | // CHECK: store i32 6, i32* %[[T_1_2_0]] |
| 149 | // |
| 150 | // And the rest gets memset to 0. |
| 151 | // |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 152 | // CHECK: %[[T_2:.*]] = getelementptr inbounds [3 x %[[T]]], [3 x %[[T]]]* %[[T_1]], i32 1 |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 153 | // CHECK: %[[T_2_AS_T:.*]] = bitcast [3 x %[[T]]]* %[[T_2]] to %[[T]]* |
| 154 | // |
| 155 | // CHECK: %[[SIZE:.*]] = sub i64 %{{.*}}, 24 |
| 156 | // CHECK: %[[REST:.*]] = bitcast %[[T]]* %[[T_2_AS_T]] to i8* |
| 157 | // CHECK: call void @llvm.memset.p0i8.i64(i8* %[[REST]], i8 0, i64 %[[SIZE]], i32 4, i1 false) |
| 158 | // |
| 159 | // CHECK: } |
| 160 | |