Add the clang library to the repo (with some of my changes, too).

1 files changed, 29 insertions, 0 deletions

diff --git a/clang/test/CodeGenCXX/operator-new.cpp b/clang/test/CodeGenCXX/operator-new.cpp
new file mode 100644
index 0000000..db56cda
--- /dev/null
+++ b/clang/test/CodeGenCXX/operator-new.cpp
@@ -0,0 +1,29 @@
+// RUN: %clang_cc1 -triple i686-pc-linux-gnu -emit-llvm -o %t-1.ll %s
+// RUN: FileCheck -check-prefix SANE --input-file=%t-1.ll %s
+// RUN: %clang_cc1 -triple i686-pc-linux-gnu -emit-llvm -fno-assume-sane-operator-new -o %t-2.ll %s
+// RUN: FileCheck -check-prefix SANENOT --input-file=%t-2.ll %s
+
+
+class teste {
+  int A;
+public:
+  teste() : A(2) {}
+};
+
+void f1() {
+  // SANE: declare noalias i8* @_Znwj(
+  // SANENOT: declare i8* @_Znwj(
+  new teste();
+}
+
+
+// rdar://5739832 - operator new should check for overflow in multiply.
+void *f2(long N) {
+  return new int[N];
+  
+// SANE:      [[UWO:%.*]] = call {{.*}} @llvm.umul.with.overflow
+// SANE-NEXT: [[OVER:%.*]] = extractvalue {{.*}} [[UWO]], 1
+// SANE-NEXT: [[SUM:%.*]] = extractvalue {{.*}} [[UWO]], 0
+// SANE-NEXT: [[RESULT:%.*]] = select i1 [[OVER]], i32 -1, i32 [[SUM]]
+// SANE-NEXT: call noalias i8* @_Znaj(i32 [[RESULT]])
+}