forked from OSchip/llvm-project
108 lines
4.1 KiB
C++
108 lines
4.1 KiB
C++
// RUN: %clang_cc1 -triple x86_64-linux-gnu -std=c++11 %s -emit-llvm -o - | FileCheck %s
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// PR10878
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struct S { S(); S(int); ~S(); int n; };
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void *p = new S[2][3]{ { 1, 2, 3 }, { 4, 5, 6 } };
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// CHECK-LABEL: define
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// CHECK: %[[ALLOC:.*]] = call noalias i8* @_Znam(i64 32)
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// CHECK: %[[COOKIE:.*]] = bitcast i8* %[[ALLOC]] to i64*
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// CHECK: store i64 6, i64* %[[COOKIE]]
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// CHECK: %[[START_AS_i8:.*]] = getelementptr inbounds i8* %[[ALLOC]], i64 8
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// CHECK: %[[START_AS_S:.*]] = bitcast i8* %[[START_AS_i8]] to %[[S:.*]]*
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//
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// Explicit initializers:
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//
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// { 1, 2, 3 }
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//
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// CHECK: %[[S_0:.*]] = bitcast %[[S]]* %[[START_AS_S]] to [3 x %[[S]]]*
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//
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// CHECK: %[[S_0_0:.*]] = getelementptr inbounds [3 x %[[S]]]* %[[S_0]], i64 0, i64 0
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// CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_0]], i32 1)
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// CHECK: %[[S_0_1:.*]] = getelementptr inbounds %[[S]]* %[[S_0_0]], i64 1
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// CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_1]], i32 2)
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// CHECK: %[[S_0_2:.*]] = getelementptr inbounds %[[S]]* %[[S_0_1]], i64 1
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// CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_2]], i32 3)
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//
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// { 4, 5, 6 }
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//
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// CHECK: %[[S_1:.*]] = getelementptr [3 x %[[S]]]* %[[S_0]], i32 1
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//
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// CHECK: %[[S_1_0:.*]] = getelementptr inbounds [3 x %[[S]]]* %[[S_1]], i64 0, i64 0
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// CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_0]], i32 4)
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// CHECK: %[[S_1_1:.*]] = getelementptr inbounds %[[S]]* %[[S_1_0]], i64 1
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// CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_1]], i32 5)
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// CHECK: %[[S_1_2:.*]] = getelementptr inbounds %[[S]]* %[[S_1_1]], i64 1
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// CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_2]], i32 6)
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//
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// CHECK-NOT: br i1
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// CHECK-NOT: call
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// CHECK: }
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int n;
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void *q = new S[n][3]{ { 1, 2, 3 }, { 4, 5, 6 } };
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// CHECK-LABEL: define
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//
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// CHECK: load i32* @n
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// CHECK: call {{.*}} @llvm.umul.with.overflow.i64(i64 %[[N:.*]], i64 12)
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// CHECK: %[[ELTS:.*]] = mul i64 %[[N]], 3
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// CHECK: call {{.*}} @llvm.uadd.with.overflow.i64(i64 %{{.*}}, i64 8)
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// CHECK: %[[ALLOC:.*]] = call noalias i8* @_Znam(i64 %{{.*}})
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//
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// CHECK: %[[COOKIE:.*]] = bitcast i8* %[[ALLOC]] to i64*
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// CHECK: store i64 %[[ELTS]], i64* %[[COOKIE]]
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// CHECK: %[[START_AS_i8:.*]] = getelementptr inbounds i8* %[[ALLOC]], i64 8
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// CHECK: %[[START_AS_S:.*]] = bitcast i8* %[[START_AS_i8]] to %[[S]]*
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// CHECK: %[[END_AS_S:.*]] = getelementptr inbounds %[[S]]* %[[START_AS_S]], i64 %[[ELTS]]
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//
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// Explicit initializers:
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//
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// { 1, 2, 3 }
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//
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// CHECK: %[[S_0:.*]] = bitcast %[[S]]* %[[START_AS_S]] to [3 x %[[S]]]*
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//
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// CHECK: %[[S_0_0:.*]] = getelementptr inbounds [3 x %[[S]]]* %[[S_0]], i64 0, i64 0
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// CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_0]], i32 1)
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// CHECK: %[[S_0_1:.*]] = getelementptr inbounds %[[S]]* %[[S_0_0]], i64 1
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// CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_1]], i32 2)
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// CHECK: %[[S_0_2:.*]] = getelementptr inbounds %[[S]]* %[[S_0_1]], i64 1
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// CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_0_2]], i32 3)
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//
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// { 4, 5, 6 }
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//
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// CHECK: %[[S_1:.*]] = getelementptr [3 x %[[S]]]* %[[S_0]], i32 1
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//
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// CHECK: %[[S_1_0:.*]] = getelementptr inbounds [3 x %[[S]]]* %[[S_1]], i64 0, i64 0
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// CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_0]], i32 4)
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// CHECK: %[[S_1_1:.*]] = getelementptr inbounds %[[S]]* %[[S_1_0]], i64 1
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// CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_1]], i32 5)
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// CHECK: %[[S_1_2:.*]] = getelementptr inbounds %[[S]]* %[[S_1_1]], i64 1
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// CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_2]], i32 6)
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//
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// CHECK: %[[S_2:.*]] = getelementptr [3 x %[[S]]]* %[[S_1]], i32 1
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// CHECK: %[[S_2_AS_S:.*]] = bitcast [3 x %[[S]]]* %[[S_2]] to %[[S]]*
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// CHECK: icmp eq %[[S]]* %[[S_2_AS_S]], %[[END_AS_S]]
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// CHECK: br i1
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//
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// S[n-2][3] initialization loop:
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//
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// CHECK: %[[END_INNER:.*]] = getelementptr inbounds %[[S]]* %{{.*}}, i64 3
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// CHECK: br label
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//
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// S[3] initialization loop:
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//
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// CHECK: call void @_ZN1SC1Ev(%[[S]]*
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// CHECK: %[[NEXT_INNER:.*]] = getelementptr inbounds %[[S]]* %{{.*}}, i64 1
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// CHECK: icmp eq %[[S]]* %[[NEXT_INNER]], %[[END_INNER]]
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// CHECK: br i1
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//
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// CHECK: %[[NEXT_OUTER:.*]] = getelementptr [3 x %[[S]]]* %{{.*}}, i32 1
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// CHECK: %[[NEXT_OUTER_AS_S:.*]] = bitcast [3 x %[[S]]]* %[[NEXT_OUTER]] to %[[S]]*
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// CHECK: icmp eq %[[S]]* %[[NEXT_OUTER_AS_S]], %[[END_AS_S]]
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// CHECK: br i1
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//
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// CHECK: }
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