CodeGen for array new list initializers. Doesn't correctly clean up in the face of exceptions yet.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151171 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 33 insertions, 0 deletions

diff --git a/test/CodeGenCXX/new-array-init.cpp b/test/CodeGenCXX/new-array-init.cpp
new file mode 100644
index 0000000000..231df24781
--- /dev/null
+++ b/test/CodeGenCXX/new-array-init.cpp
@@ -0,0 +1,33 @@
+// RUN: %clang_cc1 -std=c++11 -triple i386-unknown-unknown %s -emit-llvm -o - | FileCheck %s
+
+// CHECK: define void @_Z2fni
+void fn(int n) {
+  // CHECK: icmp ult i{{32|64}} %{{[^ ]+}}, 3
+  // CHECK: store i32 1
+  // CHECK: store i32 2
+  // CHECK: store i32 3
+  // CHECK: icmp eq i32*
+  // CHECK-NEXT: br i1
+  new int[n] { 1, 2, 3 };
+}
+
+// CHECK: define void @_Z15const_underflowv
+void const_underflow() {
+  // CHECK-NOT: icmp ult i{{32|64}} %{{[^ ]+}}, 3
+  // CHECK: call noalias i8* @_Zna{{.}}(i{{32|64}} -1)
+  new int[2] { 1, 2, 3 };
+}
+
+// CHECK: define void @_Z11const_exactv
+void const_exact() {
+  // CHECK-NOT: icmp ult i{{32|64}} %{{[^ ]+}}, 3
+  // CHECK-NOT: icmp eq i32*
+  new int[3] { 1, 2, 3 };
+}
+
+// CHECK: define void @_Z16const_sufficientv
+void const_sufficient() {
+  // CHECK-NOT: icmp ult i{{32|64}} %{{[^ ]+}}, 3
+  new int[4] { 1, 2, 3 };
+  // CHECK: ret void
+}