| 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]] |
| 13 | // CHECK: %[[START_AS_i8:.*]] = getelementptr inbounds i8* %[[ALLOC]], i64 8 |
| 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 | // |
| 22 | // CHECK: %[[S_0_0:.*]] = getelementptr inbounds [3 x %[[S]]]* %[[S_0]], i64 0, i64 0 |
| 23 | // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_0]], i32 1) |
| 24 | // CHECK: %[[S_0_1:.*]] = getelementptr inbounds %[[S]]* %[[S_0_0]], i64 1 |
| 25 | // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_1]], i32 2) |
| 26 | // CHECK: %[[S_0_2:.*]] = getelementptr inbounds %[[S]]* %[[S_0_1]], i64 1 |
| 27 | // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_2]], i32 3) |
| 28 | // |
| 29 | // { 4, 5, 6 } |
| 30 | // |
| 31 | // CHECK: %[[S_1:.*]] = getelementptr [3 x %[[S]]]* %[[S_0]], i32 1 |
| 32 | // |
| 33 | // CHECK: %[[S_1_0:.*]] = getelementptr inbounds [3 x %[[S]]]* %[[S_1]], i64 0, i64 0 |
| 34 | // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_0]], i32 4) |
| 35 | // CHECK: %[[S_1_1:.*]] = getelementptr inbounds %[[S]]* %[[S_1_0]], i64 1 |
| 36 | // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_1]], i32 5) |
| 37 | // CHECK: %[[S_1_2:.*]] = getelementptr inbounds %[[S]]* %[[S_1_1]], i64 1 |
| 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 | // |
| 49 | // CHECK: load i32* @n |
| 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]] |
| 57 | // CHECK: %[[START_AS_i8:.*]] = getelementptr inbounds i8* %[[ALLOC]], i64 8 |
| 58 | // CHECK: %[[START_AS_S:.*]] = bitcast i8* %[[START_AS_i8]] to %[[S]]* |
| 59 | // CHECK: %[[END_AS_S:.*]] = getelementptr inbounds %[[S]]* %[[START_AS_S]], i64 %[[ELTS]] |
| 60 | // |
| 61 | // Explicit initializers: |
| 62 | // |
| 63 | // { 1, 2, 3 } |
| 64 | // |
| 65 | // CHECK: %[[S_0:.*]] = bitcast %[[S]]* %[[START_AS_S]] to [3 x %[[S]]]* |
| 66 | // |
| 67 | // CHECK: %[[S_0_0:.*]] = getelementptr inbounds [3 x %[[S]]]* %[[S_0]], i64 0, i64 0 |
| 68 | // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_0]], i32 1) |
| 69 | // CHECK: %[[S_0_1:.*]] = getelementptr inbounds %[[S]]* %[[S_0_0]], i64 1 |
| 70 | // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_1]], i32 2) |
| 71 | // CHECK: %[[S_0_2:.*]] = getelementptr inbounds %[[S]]* %[[S_0_1]], i64 1 |
| 72 | // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_2]], i32 3) |
| 73 | // |
| 74 | // { 4, 5, 6 } |
| 75 | // |
| 76 | // CHECK: %[[S_1:.*]] = getelementptr [3 x %[[S]]]* %[[S_0]], i32 1 |
| 77 | // |
| 78 | // CHECK: %[[S_1_0:.*]] = getelementptr inbounds [3 x %[[S]]]* %[[S_1]], i64 0, i64 0 |
| 79 | // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_0]], i32 4) |
| 80 | // CHECK: %[[S_1_1:.*]] = getelementptr inbounds %[[S]]* %[[S_1_0]], i64 1 |
| 81 | // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_1]], i32 5) |
| 82 | // CHECK: %[[S_1_2:.*]] = getelementptr inbounds %[[S]]* %[[S_1_1]], i64 1 |
| 83 | // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_2]], i32 6) |
| 84 | // |
| 85 | // CHECK: %[[S_2:.*]] = getelementptr [3 x %[[S]]]* %[[S_1]], i32 1 |
| 86 | // CHECK: %[[S_2_AS_S:.*]] = bitcast [3 x %[[S]]]* %[[S_2]] to %[[S]]* |
| 87 | // CHECK: icmp eq %[[S]]* %[[S_2_AS_S]], %[[END_AS_S]] |
| 88 | // CHECK: br i1 |
| 89 | // |
| 90 | // S[n-2][3] initialization loop: |
| 91 | // |
| 92 | // CHECK: %[[END_INNER:.*]] = getelementptr inbounds %[[S]]* %{{.*}}, i64 3 |
| 93 | // CHECK: br label |
| 94 | // |
| 95 | // S[3] initialization loop: |
| 96 | // |
| 97 | // CHECK: call void @_ZN1SC1Ev(%[[S]]* |
| 98 | // CHECK: %[[NEXT_INNER:.*]] = getelementptr inbounds %[[S]]* %{{.*}}, i64 1 |
| 99 | // CHECK: icmp eq %[[S]]* %[[NEXT_INNER]], %[[END_INNER]] |
| 100 | // CHECK: br i1 |
| 101 | // |
| 102 | // CHECK: %[[NEXT_OUTER:.*]] = getelementptr %[[S]]* %{{.*}}, i32 1 |
| 103 | // CHECK: icmp eq %[[S]]* %[[NEXT_OUTER]], %[[END_AS_S]] |
| 104 | // CHECK: br i1 |
| 105 | // |
| 106 | // CHECK: } |