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Add support for partial redefs to the fast register allocator.
[oota-llvm.git] / unittests / ADT / APIntTest.cpp
diff --git a/unittests/ADT/APIntTest.cpp b/unittests/ADT/APIntTest.cpp
index 8208af30cd0bef19fb989c84e458f95912b9fbf1..d08e86abaa752ae8ce092b4be45ea6297db27fe4 100644 (file)
--- a/unittests/ADT/APIntTest.cpp
+++ b/unittests/ADT/APIntTest.cpp
@@ -8,7 +8,6 @@
 //===----------------------------------------------------------------------===//
 
 #include <ostream>
-#include "llvm/Support/raw_ostream.h"
 #include "gtest/gtest.h"
 #include "llvm/ADT/APInt.h"
 #include "llvm/ADT/SmallString.h"
@@ -176,11 +175,11 @@ TEST(APIntTest, fromString) {
   EXPECT_EQ(APInt(32, 3), APInt(32,  "+11", 2));
   EXPECT_EQ(APInt(32, 4), APInt(32, "+100", 2));
 
-  EXPECT_EQ(APInt(32, -0), APInt(32,   "-0", 2));
-  EXPECT_EQ(APInt(32, -1), APInt(32,   "-1", 2));
-  EXPECT_EQ(APInt(32, -2), APInt(32,  "-10", 2));
-  EXPECT_EQ(APInt(32, -3), APInt(32,  "-11", 2));
-  EXPECT_EQ(APInt(32, -4), APInt(32, "-100", 2));
+  EXPECT_EQ(APInt(32, uint64_t(-0LL)), APInt(32,   "-0", 2));
+  EXPECT_EQ(APInt(32, uint64_t(-1LL)), APInt(32,   "-1", 2));
+  EXPECT_EQ(APInt(32, uint64_t(-2LL)), APInt(32,  "-10", 2));
+  EXPECT_EQ(APInt(32, uint64_t(-3LL)), APInt(32,  "-11", 2));
+  EXPECT_EQ(APInt(32, uint64_t(-4LL)), APInt(32, "-100", 2));
 
 
   EXPECT_EQ(APInt(32,  0), APInt(32,  "0",  8));
@@ -197,12 +196,12 @@ TEST(APIntTest, fromString) {
   EXPECT_EQ(APInt(32, +15), APInt(32,  "+17", 8));
   EXPECT_EQ(APInt(32, +16), APInt(32,  "+20", 8));
 
-  EXPECT_EQ(APInt(32,  -0), APInt(32,  "-0",  8));
-  EXPECT_EQ(APInt(32,  -1), APInt(32,  "-1",  8));
-  EXPECT_EQ(APInt(32,  -7), APInt(32,  "-7",  8));
-  EXPECT_EQ(APInt(32,  -8), APInt(32,  "-10", 8));
-  EXPECT_EQ(APInt(32, -15), APInt(32,  "-17", 8));
-  EXPECT_EQ(APInt(32, -16), APInt(32,  "-20", 8));
+  EXPECT_EQ(APInt(32,  uint64_t(-0LL)), APInt(32,  "-0",  8));
+  EXPECT_EQ(APInt(32,  uint64_t(-1LL)), APInt(32,  "-1",  8));
+  EXPECT_EQ(APInt(32,  uint64_t(-7LL)), APInt(32,  "-7",  8));
+  EXPECT_EQ(APInt(32,  uint64_t(-8LL)), APInt(32,  "-10", 8));
+  EXPECT_EQ(APInt(32, uint64_t(-15LL)), APInt(32,  "-17", 8));
+  EXPECT_EQ(APInt(32, uint64_t(-16LL)), APInt(32,  "-20", 8));
 
 
   EXPECT_EQ(APInt(32,  0), APInt(32,  "0", 10));
@@ -212,12 +211,12 @@ TEST(APIntTest, fromString) {
   EXPECT_EQ(APInt(32, 19), APInt(32, "19", 10));
   EXPECT_EQ(APInt(32, 20), APInt(32, "20", 10));
 
-  EXPECT_EQ(APInt(32,  -0), APInt(32,  "-0", 10));
-  EXPECT_EQ(APInt(32,  -1), APInt(32,  "-1", 10));
-  EXPECT_EQ(APInt(32,  -9), APInt(32,  "-9", 10));
-  EXPECT_EQ(APInt(32, -10), APInt(32, "-10", 10));
-  EXPECT_EQ(APInt(32, -19), APInt(32, "-19", 10));
-  EXPECT_EQ(APInt(32, -20), APInt(32, "-20", 10));
+  EXPECT_EQ(APInt(32,  uint64_t(-0LL)), APInt(32,  "-0", 10));
+  EXPECT_EQ(APInt(32,  uint64_t(-1LL)), APInt(32,  "-1", 10));
+  EXPECT_EQ(APInt(32,  uint64_t(-9LL)), APInt(32,  "-9", 10));
+  EXPECT_EQ(APInt(32, uint64_t(-10LL)), APInt(32, "-10", 10));
+  EXPECT_EQ(APInt(32, uint64_t(-19LL)), APInt(32, "-19", 10));
+  EXPECT_EQ(APInt(32, uint64_t(-20LL)), APInt(32, "-20", 10));
 
 
   EXPECT_EQ(APInt(32,  0), APInt(32,  "0", 16));
@@ -227,26 +226,121 @@ TEST(APIntTest, fromString) {
   EXPECT_EQ(APInt(32, 31), APInt(32, "1F", 16));
   EXPECT_EQ(APInt(32, 32), APInt(32, "20", 16));
 
-  EXPECT_EQ(APInt(32,  -0), APInt(32,  "-0", 16));
-  EXPECT_EQ(APInt(32,  -1), APInt(32,  "-1", 16));
-  EXPECT_EQ(APInt(32, -15), APInt(32,  "-F", 16));
-  EXPECT_EQ(APInt(32, -16), APInt(32, "-10", 16));
-  EXPECT_EQ(APInt(32, -31), APInt(32, "-1F", 16));
-  EXPECT_EQ(APInt(32, -32), APInt(32, "-20", 16));
+  EXPECT_EQ(APInt(32,  uint64_t(-0LL)), APInt(32,  "-0", 16));
+  EXPECT_EQ(APInt(32,  uint64_t(-1LL)), APInt(32,  "-1", 16));
+  EXPECT_EQ(APInt(32, uint64_t(-15LL)), APInt(32,  "-F", 16));
+  EXPECT_EQ(APInt(32, uint64_t(-16LL)), APInt(32, "-10", 16));
+  EXPECT_EQ(APInt(32, uint64_t(-31LL)), APInt(32, "-1F", 16));
+  EXPECT_EQ(APInt(32, uint64_t(-32LL)), APInt(32, "-20", 16));
+}
+
+TEST(APIntTest, StringBitsNeeded2) {
+  EXPECT_EQ(1U, APInt::getBitsNeeded(  "0", 2));
+  EXPECT_EQ(1U, APInt::getBitsNeeded(  "1", 2));
+  EXPECT_EQ(2U, APInt::getBitsNeeded( "10", 2));
+  EXPECT_EQ(2U, APInt::getBitsNeeded( "11", 2));
+  EXPECT_EQ(3U, APInt::getBitsNeeded("100", 2));
+
+  EXPECT_EQ(1U, APInt::getBitsNeeded(  "+0", 2));
+  EXPECT_EQ(1U, APInt::getBitsNeeded(  "+1", 2));
+  EXPECT_EQ(2U, APInt::getBitsNeeded( "+10", 2));
+  EXPECT_EQ(2U, APInt::getBitsNeeded( "+11", 2));
+  EXPECT_EQ(3U, APInt::getBitsNeeded("+100", 2));
+
+  EXPECT_EQ(2U, APInt::getBitsNeeded(  "-0", 2));
+  EXPECT_EQ(2U, APInt::getBitsNeeded(  "-1", 2));
+  EXPECT_EQ(3U, APInt::getBitsNeeded( "-10", 2));
+  EXPECT_EQ(3U, APInt::getBitsNeeded( "-11", 2));
+  EXPECT_EQ(4U, APInt::getBitsNeeded("-100", 2));
+}
+
+TEST(APIntTest, StringBitsNeeded8) {
+  EXPECT_EQ(3U, APInt::getBitsNeeded( "0", 8));
+  EXPECT_EQ(3U, APInt::getBitsNeeded( "7", 8));
+  EXPECT_EQ(6U, APInt::getBitsNeeded("10", 8));
+  EXPECT_EQ(6U, APInt::getBitsNeeded("17", 8));
+  EXPECT_EQ(6U, APInt::getBitsNeeded("20", 8));
+
+  EXPECT_EQ(3U, APInt::getBitsNeeded( "+0", 8));
+  EXPECT_EQ(3U, APInt::getBitsNeeded( "+7", 8));
+  EXPECT_EQ(6U, APInt::getBitsNeeded("+10", 8));
+  EXPECT_EQ(6U, APInt::getBitsNeeded("+17", 8));
+  EXPECT_EQ(6U, APInt::getBitsNeeded("+20", 8));
+
+  EXPECT_EQ(4U, APInt::getBitsNeeded( "-0", 8));
+  EXPECT_EQ(4U, APInt::getBitsNeeded( "-7", 8));
+  EXPECT_EQ(7U, APInt::getBitsNeeded("-10", 8));
+  EXPECT_EQ(7U, APInt::getBitsNeeded("-17", 8));
+  EXPECT_EQ(7U, APInt::getBitsNeeded("-20", 8));
+}
+
+TEST(APIntTest, StringBitsNeeded10) {
+  EXPECT_EQ(1U, APInt::getBitsNeeded( "0", 10));
+  EXPECT_EQ(2U, APInt::getBitsNeeded( "3", 10));
+  EXPECT_EQ(4U, APInt::getBitsNeeded( "9", 10));
+  EXPECT_EQ(4U, APInt::getBitsNeeded("10", 10));
+  EXPECT_EQ(5U, APInt::getBitsNeeded("19", 10));
+  EXPECT_EQ(5U, APInt::getBitsNeeded("20", 10));
+
+  EXPECT_EQ(1U, APInt::getBitsNeeded( "+0", 10));
+  EXPECT_EQ(4U, APInt::getBitsNeeded( "+9", 10));
+  EXPECT_EQ(4U, APInt::getBitsNeeded("+10", 10));
+  EXPECT_EQ(5U, APInt::getBitsNeeded("+19", 10));
+  EXPECT_EQ(5U, APInt::getBitsNeeded("+20", 10));
+
+  EXPECT_EQ(2U, APInt::getBitsNeeded( "-0", 10));
+  EXPECT_EQ(5U, APInt::getBitsNeeded( "-9", 10));
+  EXPECT_EQ(5U, APInt::getBitsNeeded("-10", 10));
+  EXPECT_EQ(6U, APInt::getBitsNeeded("-19", 10));
+  EXPECT_EQ(6U, APInt::getBitsNeeded("-20", 10));
+}
+
+TEST(APIntTest, StringBitsNeeded16) {
+  EXPECT_EQ(4U, APInt::getBitsNeeded( "0", 16));
+  EXPECT_EQ(4U, APInt::getBitsNeeded( "F", 16));
+  EXPECT_EQ(8U, APInt::getBitsNeeded("10", 16));
+  EXPECT_EQ(8U, APInt::getBitsNeeded("1F", 16));
+  EXPECT_EQ(8U, APInt::getBitsNeeded("20", 16));
+
+  EXPECT_EQ(4U, APInt::getBitsNeeded( "+0", 16));
+  EXPECT_EQ(4U, APInt::getBitsNeeded( "+F", 16));
+  EXPECT_EQ(8U, APInt::getBitsNeeded("+10", 16));
+  EXPECT_EQ(8U, APInt::getBitsNeeded("+1F", 16));
+  EXPECT_EQ(8U, APInt::getBitsNeeded("+20", 16));
+
+  EXPECT_EQ(5U, APInt::getBitsNeeded( "-0", 16));
+  EXPECT_EQ(5U, APInt::getBitsNeeded( "-F", 16));
+  EXPECT_EQ(9U, APInt::getBitsNeeded("-10", 16));
+  EXPECT_EQ(9U, APInt::getBitsNeeded("-1F", 16));
+  EXPECT_EQ(9U, APInt::getBitsNeeded("-20", 16));
+}
+
+TEST(APIntTest, Log2) {
+  EXPECT_EQ(APInt(15, 7).logBase2(), 2U);
+  EXPECT_EQ(APInt(15, 7).ceilLogBase2(), 3U);
+  EXPECT_EQ(APInt(15, 7).exactLogBase2(), -1);
+  EXPECT_EQ(APInt(15, 8).logBase2(), 3U);
+  EXPECT_EQ(APInt(15, 8).ceilLogBase2(), 3U);
+  EXPECT_EQ(APInt(15, 8).exactLogBase2(), 3);
+  EXPECT_EQ(APInt(15, 9).logBase2(), 3U);
+  EXPECT_EQ(APInt(15, 9).ceilLogBase2(), 4U);
+  EXPECT_EQ(APInt(15, 9).exactLogBase2(), -1);
 }
 
 #ifdef GTEST_HAS_DEATH_TEST
+#ifndef NDEBUG
 TEST(APIntTest, StringDeath) {
   EXPECT_DEATH(APInt(0, "", 0), "Bitwidth too small");
   EXPECT_DEATH(APInt(32, "", 0), "Invalid string length");
   EXPECT_DEATH(APInt(32, "0", 0), "Radix should be 2, 8, 10, or 16!");
   EXPECT_DEATH(APInt(32, "", 10), "Invalid string length");
-  EXPECT_DEATH(APInt(32, "-", 10), "string is only a minus!");
+  EXPECT_DEATH(APInt(32, "-", 10), "String is only a sign, needs a value.");
   EXPECT_DEATH(APInt(1, "1234", 10), "Insufficient bit width");
   EXPECT_DEATH(APInt(32, "\0", 10), "Invalid string length");
   EXPECT_DEATH(APInt(32, StringRef("1\02", 3), 10), "Invalid character in digit string");
   EXPECT_DEATH(APInt(32, "1L", 10), "Invalid character in digit string");
 }
 #endif
+#endif
 
 }
C/C++ LLVM-based compilers that forbids OOTA behaviors