e0ac46e69d
This reverts commit d618f1c3b12effd0c2bdb7d02108d3551f389d3d. This commit wasn't reviewed ahead of time and significant concerns were raised immediately after it landed. According to our developer policy this warrants immediate revert of the commit. https://llvm.org/docs/DeveloperPolicy.html#patch-reversion-policy Differential Revision: https://reviews.llvm.org/D155509
67 lines
2.0 KiB
C++
67 lines
2.0 KiB
C++
// RUN: %clang_cc1 -triple i686-pc-linux-gnu %s -o - -emit-llvm -verify | FileCheck %s
|
|
// expected-no-diagnostics
|
|
|
|
typedef __typeof(sizeof(int)) size_t;
|
|
|
|
namespace test1 {
|
|
struct A { void operator delete(void*,size_t); int x; };
|
|
|
|
// CHECK-LABEL: define{{.*}} void @_ZN5test11aEPNS_1AE(
|
|
void a(A *x) {
|
|
// CHECK: load
|
|
// CHECK-NEXT: icmp eq {{.*}}, null
|
|
// CHECK-NEXT: br i1
|
|
// CHECK: call void @_ZN5test11AdlEPvj(ptr noundef %{{.*}}, i32 noundef 4)
|
|
delete x;
|
|
}
|
|
}
|
|
|
|
// Check that we make cookies for the two-arg delete even when using
|
|
// the global allocator and deallocator.
|
|
namespace test2 {
|
|
struct A {
|
|
int x;
|
|
void *operator new[](size_t);
|
|
void operator delete[](void *, size_t);
|
|
};
|
|
|
|
// CHECK: define{{.*}} ptr @_ZN5test24testEv()
|
|
A *test() {
|
|
// CHECK: [[NEW:%.*]] = call noalias noundef nonnull ptr @_Znaj(i32 noundef 44)
|
|
// CHECK-NEXT: store i32 10, ptr [[NEW]]
|
|
// CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds i8, ptr [[NEW]], i32 4
|
|
// CHECK-NEXT: ret ptr [[T1]]
|
|
return ::new A[10];
|
|
}
|
|
|
|
// CHECK-LABEL: define{{.*}} void @_ZN5test24testEPNS_1AE(
|
|
void test(A *p) {
|
|
// CHECK: [[P:%.*]] = alloca ptr, align 4
|
|
// CHECK-NEXT: store ptr {{%.*}}, ptr [[P]], align 4
|
|
// CHECK-NEXT: [[T0:%.*]] = load ptr, ptr [[P]], align 4
|
|
// CHECK-NEXT: [[T1:%.*]] = icmp eq ptr [[T0]], null
|
|
// CHECK-NEXT: br i1 [[T1]],
|
|
// CHECK: [[T3:%.*]] = getelementptr inbounds i8, ptr [[T0]], i32 -4
|
|
// CHECK-NEXT: [[T5:%.*]] = load i32, ptr [[T3]]
|
|
// CHECK-NEXT: call void @_ZdaPv(ptr noundef [[T3]])
|
|
// CHECK-NEXT: br label
|
|
::delete[] p;
|
|
}
|
|
}
|
|
|
|
// rdar://problem/8913519
|
|
namespace test3 {
|
|
struct A {
|
|
int x;
|
|
void operator delete[](void *, size_t);
|
|
};
|
|
struct B : A {};
|
|
|
|
// CHECK-LABEL: define{{.*}} void @_ZN5test34testEv()
|
|
void test() {
|
|
// CHECK: [[CALL:%.*]] = call noalias noundef nonnull ptr @_Znaj(i32 noundef 24)
|
|
// CHECK-NEXT: store i32 5
|
|
(void) new B[5];
|
|
}
|
|
}
|