b512c19716
Due to missing parameters to `EmitDeleteCall` only size of a single array element was passed to `delete[]`. Reported by https://github.com/llvm/llvm-project/pull/170337#issuecomment-3660304812
55 lines
2.6 KiB
C++
55 lines
2.6 KiB
C++
// RUN: %clang_cc1 -emit-llvm -fms-extensions %s -triple=x86_64-pc-windows-msvc -o - | FileCheck --check-prefixes=X64,CHECK %s
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// RUN: %clang_cc1 -emit-llvm -fms-extensions %s -triple=i386-pc-windows-msvc -o - | FileCheck --check-prefixes=X86,CHECK %s
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using size_t = __SIZE_TYPE__;
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void operator delete[](void *ptr, size_t sz) { }
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struct Test {
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virtual ~Test() {}
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void operator delete[](void *ptr, size_t sz) { }
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int x;
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int y;
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};
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void test() {
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Test* a = new Test[10];
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delete[] a;
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}
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// X64: define weak dso_local noundef ptr @"??_ETest@@UEAAPEAXI@Z"(
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// X64-SAME: ptr {{.*}} %[[THIS:.*]], i32 {{.*}} %[[IMPLICIT_PARAM:.*]])
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// X86: define weak dso_local x86_thiscallcc noundef ptr @"??_ETest@@UAEPAXI@Z"(
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// X86-SAME: ptr {{.*}} %[[THIS:.*]], i32 {{.*}} %[[IMPLICIT_PARAM:.*]])
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// CHECK: entry:
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// CHECK-NEXT: %[[RET:.*]] = alloca ptr
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// CHECK-NEXT: %[[IPADDR:.*]] = alloca i32
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// CHECK-NEXT: %[[THISADDR:.*]] = alloca ptr
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// CHECK-NEXT: store i32 %[[IMPLICIT_PARAM]], ptr %[[IPADDR]]
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// CHECK-NEXT: store ptr %[[THIS]], ptr %[[THISADDR]]
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// CHECK-NEXT: %[[LTHIS:.*]] = load ptr, ptr %[[THISADDR]]
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// CHECK-NEXT: store ptr %[[LTHIS]], ptr %[[RET]]
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// CHECK-NEXT: %[[LIP:.*]] = load i32, ptr %[[IPADDR]]
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// CHECK-NEXT: %[[SECONDBIT:.*]] = and i32 %[[LIP]], 2
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// CHECK-NEXT: %[[ISSECONDBITZERO:.*]] = icmp eq i32 %[[SECONDBIT]], 0
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// CHECK-NEXT: br i1 %[[ISSECONDBITZERO:.*]], label %dtor.scalar, label %dtor.vector
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// CHECK: dtor.vector:
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// X64-NEXT: %[[COOKIEGEP:.*]] = getelementptr inbounds i8, ptr %[[LTHIS]], i64 -8
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// X86-NEXT: %[[COOKIEGEP:.*]] = getelementptr inbounds i8, ptr %[[LTHIS]], i32 -4
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// X64-NEXT: %[[HOWMANY:.*]] = load i64, ptr %[[COOKIEGEP]]
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// X86-NEXT: %[[HOWMANY:.*]] = load i32, ptr %[[COOKIEGEP]]
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// CHECK: dtor.call_class_delete_after_array_destroy:
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// X64-NEXT: %[[ARRSZ:.*]] = mul i64 16, %[[HOWMANY]]
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// X86-NEXT: %[[ARRSZ:.*]] = mul i32 12, %[[HOWMANY]]
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// X64-NEXT: %[[TOTALSZ:.*]] = add i64 %[[ARRSZ]], 8
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// X86-NEXT: %[[TOTALSZ:.*]] = add i32 %[[ARRSZ]], 4
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// X64-NEXT: call void @"??_VTest@@SAXPEAX_K@Z"(ptr noundef %2, i64 noundef %[[TOTALSZ]])
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// X86-NEXT: call void @"??_VTest@@SAXPAXI@Z"(ptr noundef %2, i32 noundef %[[TOTALSZ]])
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// CHECK: dtor.call_glob_delete_after_array_destroy:
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// X64-NEXT: %[[ARRSZ1:.*]] = mul i64 16, %[[HOWMANY]]
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// X86-NEXT: %[[ARRSZ1:.*]] = mul i32 12, %[[HOWMANY]]
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// X64-NEXT: %[[TOTALSZ1:.*]] = add i64 %[[ARRSZ1]], 8
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// X86-NEXT: %[[TOTALSZ1:.*]] = add i32 %[[ARRSZ1]], 4
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// X64-NEXT: call void @"??_V@YAXPEAX_K@Z"(ptr noundef %2, i64 noundef %[[TOTALSZ1]])
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// X86-NEXT: call void @"??_V@YAXPAXI@Z"(ptr noundef %2, i32 noundef %[[TOTALSZ1]])
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