From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001
From: "Zancanaro; Carlo" <czan8762@plang3.cs.usyd.edu.au>
Date: Mon, 24 Sep 2012 09:58:17 +1000
Subject: Add the clang library to the repo (with some of my changes, too).

---
 clang/test/CodeGenCXX/delete-two-arg.cpp | 70 ++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 clang/test/CodeGenCXX/delete-two-arg.cpp

(limited to 'clang/test/CodeGenCXX/delete-two-arg.cpp')

diff --git a/clang/test/CodeGenCXX/delete-two-arg.cpp b/clang/test/CodeGenCXX/delete-two-arg.cpp
new file mode 100644
index 0000000..b82e9ba
--- /dev/null
+++ b/clang/test/CodeGenCXX/delete-two-arg.cpp
@@ -0,0 +1,70 @@
+// RUN: %clang_cc1 -triple i686-pc-linux-gnu %s -o - -emit-llvm -verify | FileCheck %s
+
+typedef __typeof(sizeof(int)) size_t;
+
+namespace test1 {
+  struct A { void operator delete(void*,size_t); int x; };
+
+  // CHECK: define void @_ZN5test11aEPNS_1AE(
+  void a(A *x) {
+    // CHECK:      load
+    // CHECK-NEXT: icmp eq {{.*}}, null
+    // CHECK-NEXT: br i1
+    // CHECK:      call void @_ZN5test11AdlEPvj(i8* %{{.*}}, i32 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 [[A:%.*]]* @_ZN5test24testEv()
+  A *test() {
+    // CHECK:      [[NEW:%.*]] = call noalias i8* @_Znaj(i32 44)
+    // CHECK-NEXT: [[T0:%.*]] = bitcast i8* [[NEW]] to i32*
+    // CHECK-NEXT: store i32 10, i32* [[T0]]
+    // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds i8* [[NEW]], i64 4
+    // CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[T1]] to [[A]]*
+    // CHECK-NEXT: ret [[A]]* [[T2]]
+    return ::new A[10];
+  }
+
+  // CHECK: define void @_ZN5test24testEPNS_1AE(
+  void test(A *p) {
+    // CHECK:      [[P:%.*]] = alloca [[A]]*, align 4
+    // CHECK-NEXT: store [[A]]* {{%.*}}, [[A]]** [[P]], align 4
+    // CHECK-NEXT: [[T0:%.*]] = load [[A]]** [[P]], align 4
+    // CHECK-NEXT: [[T1:%.*]] = icmp eq [[A]]* [[T0]], null
+    // CHECK-NEXT: br i1 [[T1]],
+    // CHECK:      [[T2:%.*]] = bitcast [[A]]* [[T0]] to i8*
+    // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i8* [[T2]], i64 -4
+    // CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to i32*
+    // CHECK-NEXT: [[T5:%.*]] = load i32* [[T4]]
+    // CHECK-NEXT: call void @_ZdaPv(i8* [[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: define void @_ZN5test34testEv()
+  void test() {
+    // CHECK:      call noalias i8* @_Znaj(i32 24)
+    // CHECK-NEXT: bitcast
+    // CHECK-NEXT: store i32 5
+    (void) new B[5];
+  }
+}
-- 
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