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authorAlexey Samsonov <samsonov@google.com>2014-02-14 09:47:31 +0000
committerAlexey Samsonov <samsonov@google.com>2014-02-14 09:47:31 +0000
commit28d10da69f52af1b01fbc12fd503621713641500 (patch)
tree76222f9698fdaafdfe23235d18d5ac804ea515d6 /test/builtins/Unit/divdi3_test.c
parent08c9d0bc3ac37d7d5def0318a1420e67cca53e41 (diff)
Move tests for BlocksRuntime and builtins to corresponding directories under test/
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@201396 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/builtins/Unit/divdi3_test.c')
-rw-r--r--test/builtins/Unit/divdi3_test.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/test/builtins/Unit/divdi3_test.c b/test/builtins/Unit/divdi3_test.c
new file mode 100644
index 000000000..c25f917a4
--- /dev/null
+++ b/test/builtins/Unit/divdi3_test.c
@@ -0,0 +1,58 @@
+//===-- divdi3_test.c - Test __divdi3 -------------------------------------===//
+//
+// 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 __divdi3 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#include "int_lib.h"
+#include <stdio.h>
+
+// Returns: a / b
+
+di_int __divdi3(di_int a, di_int b);
+
+int test__divdi3(di_int a, di_int b, di_int expected)
+{
+ di_int x = __divdi3(a, b);
+ if (x != expected)
+ printf("error in __divdi3: %lld / %lld = %lld, expected %lld\n",
+ a, b, x, expected);
+ return x != expected;
+}
+
+char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0};
+
+int main()
+{
+ if (test__divdi3(0, 1, 0))
+ return 1;
+ if (test__divdi3(0, -1, 0))
+ return 1;
+
+ if (test__divdi3(2, 1, 2))
+ return 1;
+ if (test__divdi3(2, -1, -2))
+ return 1;
+ if (test__divdi3(-2, 1, -2))
+ return 1;
+ if (test__divdi3(-2, -1, 2))
+ return 1;
+
+ if (test__divdi3(0x8000000000000000LL, 1, 0x8000000000000000LL))
+ return 1;
+ if (test__divdi3(0x8000000000000000LL, -1, 0x8000000000000000LL))
+ return 1;
+ if (test__divdi3(0x8000000000000000LL, -2, 0x4000000000000000LL))
+ return 1;
+ if (test__divdi3(0x8000000000000000LL, 2, 0xC000000000000000LL))
+ return 1;
+
+ return 0;
+}