Vendor import of clang trunk r161861:

http://llvm.org/svn/llvm-project/cfe/trunk@161861

1 files changed, 26 insertions, 0 deletions

diff --git a/test/CodeGen/bounds-checking.c b/test/CodeGen/bounds-checking.c
new file mode 100644
index 0000000..e278620
--- /dev/null
+++ b/test/CodeGen/bounds-checking.c
@@ -0,0 +1,26 @@
+// RUN: %clang_cc1 -fbounds-checking=4 -emit-llvm -triple x86_64-apple-darwin10 < %s | FileCheck %s
+
+// CHECK: @f
+double f(int b, int i) {
+  double a[b];
+  // CHECK: trap
+  return a[i];
+}
+
+// CHECK: @f2
+void f2() {
+  // everything is constant; no trap possible
+  // CHECK-NOT: trap
+  int a[2];
+  a[1] = 42;
+  
+  short *b = malloc(64);
+  b[5] = *a + a[1] + 2;
+}
+
+// CHECK: @f3
+void f3() {
+  int a[1];
+  // CHECK: trap
+  a[2] = 1;
+}