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authorAlexey Samsonov <samsonov@google.com>2014-02-14 11:42:22 +0000
committerAlexey Samsonov <samsonov@google.com>2014-02-14 11:42:22 +0000
commitba869e79a050ada6a3a3fbeeb275313ab8fdf438 (patch)
tree2a0fa6f117c0f095b8efdc446cb3e57c37616db5 /compiler-rt/test/ubsan/TestCases/Integer/uincdec-overflow.cpp
parent05938a23f5fdf299bdbf1b7162ec71f0e600d9b3 (diff)
downloadbcm5719-llvm-ba869e79a050ada6a3a3fbeeb275313ab8fdf438.tar.gz
bcm5719-llvm-ba869e79a050ada6a3a3fbeeb275313ab8fdf438.zip
Move UBSan test suite under test/
llvm-svn: 201401
Diffstat (limited to 'compiler-rt/test/ubsan/TestCases/Integer/uincdec-overflow.cpp')
-rw-r--r--compiler-rt/test/ubsan/TestCases/Integer/uincdec-overflow.cpp16
1 files changed, 16 insertions, 0 deletions
diff --git a/compiler-rt/test/ubsan/TestCases/Integer/uincdec-overflow.cpp b/compiler-rt/test/ubsan/TestCases/Integer/uincdec-overflow.cpp
new file mode 100644
index 00000000000..a14bd6a776f
--- /dev/null
+++ b/compiler-rt/test/ubsan/TestCases/Integer/uincdec-overflow.cpp
@@ -0,0 +1,16 @@
+// RUN: %clangxx -DOP=n++ -fsanitize=unsigned-integer-overflow %s -o %t && %t 2>&1 | FileCheck --check-prefix=CHECK-INC %s
+// RUN: %clangxx -DOP=++n -fsanitize=unsigned-integer-overflow %s -o %t && %t 2>&1 | FileCheck --check-prefix=CHECK-INC %s
+// RUN: %clangxx -DOP=m-- -fsanitize=unsigned-integer-overflow %s -o %t && %t 2>&1 | FileCheck --check-prefix=CHECK-DEC %s
+// RUN: %clangxx -DOP=--m -fsanitize=unsigned-integer-overflow %s -o %t && %t 2>&1 | FileCheck --check-prefix=CHECK-DEC %s
+
+#include <stdint.h>
+
+int main() {
+ unsigned n = 0xfffffffd;
+ n++;
+ n++;
+ unsigned m = 0;
+ // CHECK-INC: uincdec-overflow.cpp:15:3: runtime error: unsigned integer overflow: 4294967295 + 1 cannot be represented in type 'unsigned int'
+ // CHECK-DEC: uincdec-overflow.cpp:15:3: runtime error: unsigned integer overflow: 0 - 1 cannot be represented in type 'unsigned int'
+ OP;
+}
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