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Add an argument to APInt's magic udiv calculation to specify the number of bits that are known zero in the divided number.

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This will come in handy soon.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127828 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2011-03-17 20:39:06 +00:00
parent 6a3dbd3b25
commit d9103df51b
3 changed files with 7 additions and 3 deletions
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2
unittests/ADT/APIntTest.cpp
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@ -348,6 +348,8 @@ TEST(APIntTest, magicu) {
EXPECT_EQ(APInt(32, 5).magicu().s, 2U);
EXPECT_EQ(APInt(32, 7).magicu().m, APInt(32, "24924925", 16));
EXPECT_EQ(APInt(32, 7).magicu().s, 3U);
EXPECT_EQ(APInt(64, 25).magicu(1).m, APInt(64, "A3D70A3D70A3D70B", 16));
EXPECT_EQ(APInt(64, 25).magicu(1).s, 4U);
}
#ifdef GTEST_HAS_DEATH_TEST