Changes in directory llvm-test/SingleSource/UnitTests/Integer/APInt:
sign.cpp added (r1.1)
---
Log message:
Add a new test case.
---
Diffs of the changes: (+63 -0)
sign.cpp | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 63 insertions(+)
Index: llvm-test/SingleSource/UnitTests/Integer/APInt/sign.cpp
diff -c /dev/null llvm-test/SingleSource/UnitTests/Integer/APInt/sign.cpp:1.1
*** /dev/null Mon Jan 29 19:09:02 2007
--- llvm-test/SingleSource/UnitTests/Integer/APInt/sign.cpp Mon Jan 29
19:08:52 2007
***************
*** 0 ****
--- 1,63 ----
+ //===--- sign.c --- Test Cases for Bit Accurate Types
--------------------===//
+ //
+ // This file was developed by Guoling Han and is distributed under the
+ // University of Illinois Open Source License. See LICENSE.TXT for details.
+ //
+
//===----------------------------------------------------------------------===//
+ //
+ // This is a general test for arithmetic operations with signed and
+ // unsigned operands.
+ //
+
//===----------------------------------------------------------------------===//
+
+ #include "llvm/ADT/APInt.h"
+ #include <stdio.h>
+
+ using namespace llvm;
+
+ int
+ main ( int argc, char** argv)
+ {
+ int num, r;
+ APInt x(24), y(24), z(24);
+ APInt ux(24), uy(24), uz(24);
+
+ r = rand();
+ r = r - 1804289384; // -1
+
+ y = r; // -1
+ uy = r; // 0xffffff
+
+ if (argc > 1)
+ num = atoi(argv[1]);
+
+
+ num = num - 0xdf5e75; //0x1000001
+
+ x = num;
+ ux = num;
+ printf("x = %d, ux = %u, y=%d, uy = %u\n", int(x), (unsigned int)ux,
+ int(y), (unsigned int)uy);
+
+ z = x * y; // 0x1000001 * (-1)
+ uz = ux * uy;
+ printf("z=%d, uz=%u\n", int(z), (unsigned int)uz);
+
+ z = x % 314;
+ uz = ux % 314;
+ printf("z=%d, uz=%u\n", int(z), (unsigned int)uz);
+
+ z = x / 314;
+ uz = ux / 314;
+ printf("z=%d, uz=%u\n", int(z), (unsigned int)uz);
+
+ z = (x+0xf28) / 314;
+ uz = (ux + 0xf28) / 314;
+ printf("z=%d, uz=%u\n", int(z), (unsigned int)uz);
+
+ z = (x - 580) / 314;
+ uz = (((ux - 580)) / 314);
+ printf("z=%d, uz=%u\n", int(z), (unsigned int)uz);
+
+ return 0;
+ }
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