1 files changed, 58 insertions, 0 deletions
diff --git a/compiler-rt/test/ubsan/TestCases/ImplicitConversion/unsigned-integer-truncation-blacklist.c b/compiler-rt/test/ubsan/TestCases/ImplicitConversion/unsigned-integer-truncation-blacklist.c
new file mode 100644
index 00000000000..0476253b591
--- /dev/null
+++ b/compiler-rt/test/ubsan/TestCases/ImplicitConversion/unsigned-integer-truncation-blacklist.c
@@ -0,0 +1,58 @@
+// FIXME: https://code.google.com/p/address-sanitizer/issues/detail?id=316
+// I'm not sure this is actually *that* issue, but this seems oddly similar to the other XFAIL'ed cases.
+// XFAIL: android
+// UNSUPPORTED: ios
+
+// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation                           -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
+// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation                           -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
+// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation                           -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
+// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation                           -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
+
+// RUN: rm -f %tmp
+// RUN: echo "[integer]" >> %tmp
+// RUN: echo "fun:implicitUnsignedTruncation" >> %tmp
+// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O0 %s -o %t && not %run %t 2>&1 | not FileCheck %s
+// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O1 %s -o %t && not %run %t 2>&1 | not FileCheck %s
+// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O2 %s -o %t && not %run %t 2>&1 | not FileCheck %s
+// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O3 %s -o %t && not %run %t 2>&1 | not FileCheck %s
+
+// RUN: rm -f %tmp
+// RUN: echo "[implicit-conversion]" >> %tmp
+// RUN: echo "fun:implicitUnsignedTruncation" >> %tmp
+// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O0 %s -o %t && not %run %t 2>&1 | not FileCheck %s
+// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O1 %s -o %t && not %run %t 2>&1 | not FileCheck %s
+// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O2 %s -o %t && not %run %t 2>&1 | not FileCheck %s
+// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O3 %s -o %t && not %run %t 2>&1 | not FileCheck %s
+
+// RUN: rm -f %tmp
+// RUN: echo "[implicit-integer-truncation]" >> %tmp
+// RUN: echo "fun:implicitUnsignedTruncation" >> %tmp
+// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O0 %s -o %t && not %run %t 2>&1 | not FileCheck %s
+// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O1 %s -o %t && not %run %t 2>&1 | not FileCheck %s
+// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O2 %s -o %t && not %run %t 2>&1 | not FileCheck %s
+// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O3 %s -o %t && not %run %t 2>&1 | not FileCheck %s
+
+// RUN: rm -f %tmp
+// RUN: echo "[implicit-unsigned-integer-truncation]" >> %tmp
+// RUN: echo "fun:implicitUnsignedTruncation" >> %tmp
+// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O0 %s -o %t && not %run %t 2>&1 | not FileCheck %s
+// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O1 %s -o %t && not %run %t 2>&1 | not FileCheck %s
+// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O2 %s -o %t && not %run %t 2>&1 | not FileCheck %s
+// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O3 %s -o %t && not %run %t 2>&1 | not FileCheck %s
+
+// RUN: rm -f %tmp
+// RUN: echo "[implicit-signed-integer-truncation]" >> %tmp
+// RUN: echo "fun:implicitUnsignedTruncation" >> %tmp
+// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
+// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s
+// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s
+// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
+
+unsigned char implicitUnsignedTruncation(unsigned int argc) {
+  return argc; // BOOM
+// CHECK: {{.*}}unsigned-integer-truncation-blacklist.c:[[@LINE-1]]:10: runtime error: implicit conversion from type 'unsigned int' of value 4294967295 (32-bit, unsigned) to type 'unsigned char' changed the value to 255 (8-bit, unsigned)
+}
+
+int main(int argc, char **argv) {
+  return implicitUnsignedTruncation(~0U);
+}