vendor/compiler-rt/compiler-rt-r224034

1 files changed, 127 insertions, 0 deletions

diff --git a/test/builtins/Unit/negti2_test.c b/test/builtins/Unit/negti2_test.c
new file mode 100644
index 000000000000..a40c0c324bb2
--- /dev/null
+++ b/test/builtins/Unit/negti2_test.c
@@ -0,0 +1,127 @@
+//===-- negti2_test.c - Test __negti2 -------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file tests __negti2 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#include "int_lib.h"
+#include <stdio.h>
+
+#ifdef CRT_HAS_128BIT
+
+// Returns: -a
+
+ti_int __negti2(ti_int a);
+
+int test__negti2(ti_int a, ti_int expected)
+{
+    ti_int x = __negti2(a);
+    if (x != expected)
+    {
+        twords at;
+        at.all = a;
+        twords xt;
+        xt.all = x;
+        twords expectedt;
+        expectedt.all = expected;
+        printf("error in __negti2: -0x%.16llX%.16llX = 0x%.16llX%.16llX, "
+               "expected 0x%.16llX%.16llX\n",
+               at.s.high, at.s.low, xt.s.high, xt.s.low, expectedt.s.high, expectedt.s.low);
+    }
+    return x != expected;
+}
+
+char assumption_1[sizeof(ti_int) == 2*sizeof(di_int)] = {0};
+
+#endif
+
+int main()
+{
+#ifdef CRT_HAS_128BIT
+    if (test__negti2(0, 0))
+        return 1;
+    if (test__negti2(1, -1))
+        return 1;
+    if (test__negti2(-1, 1))
+        return 1;
+    if (test__negti2(2, -2))
+        return 1;
+    if (test__negti2(-2, 2))
+        return 1;
+    if (test__negti2(3, -3))
+        return 1;
+    if (test__negti2(-3, 3))
+        return 1;
+    if (test__negti2(make_ti(0x0000000000000000LL, 0x00000000FFFFFFFELL),
+                     make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000002LL)))
+        return 1;
+    if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000002LL),
+                     make_ti(0x0000000000000000LL, 0x00000000FFFFFFFELL)))
+        return 1;
+    if (test__negti2(make_ti(0x0000000000000000LL, 0x00000000FFFFFFFFLL),
+                     make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000001LL)))
+        return 1;
+    if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000001LL),
+                     make_ti(0x0000000000000000LL, 0x00000000FFFFFFFFLL)))
+        return 1;
+    if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000100000000LL),
+                     make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL)))
+        return 1;
+    if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL),
+                     make_ti(0x0000000000000000LL, 0x0000000100000000LL)))
+        return 1;
+    if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000200000000LL),
+                     make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL)))
+        return 1;
+    if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL),
+                     make_ti(0x0000000000000000LL, 0x0000000200000000LL)))
+        return 1;
+    if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000300000000LL),
+                     make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFD00000000LL)))
+        return 1;
+    if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFD00000000LL),
+                     make_ti(0x0000000000000000LL, 0x0000000300000000LL)))
+        return 1;
+    if (test__negti2(make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL),
+                     make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000001LL)))
+        return 1;
+    if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000001LL),
+                     make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL)))
+        return 1;
+    if (test__negti2(make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL),
+                     make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000001LL)))
+        return 1;
+    if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL),
+                     make_ti(0x0000000000000000LL, 0x0000000200000000LL)))
+        return 1;
+    if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000200000000LL),
+                     make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL)))
+        return 1;
+    if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL),
+                     make_ti(0x0000000000000000LL, 0x0000000100000000LL)))
+        return 1;
+    if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000100000000LL),
+                     make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL)))
+        return 1;
+    if (test__negti2(make_ti(0x8000000000000000LL, 0x0000000000000000LL),
+                     make_ti(0x8000000000000000LL, 0x0000000000000000LL)))
+        return 1;
+    if (test__negti2(make_ti(0x8000000000000000LL, 0x0000000000000001LL),
+                     make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL)))
+        return 1;
+    if (test__negti2(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL),
+                     make_ti(0x8000000000000000LL, 0x0000000000000001LL)))
+        return 1;
+
+#else
+    printf("skipped\n");
+#endif
+   return 0;
+}