From f1b8cb37602e7228a37f6eda539e657b460dc3b0 Mon Sep 17 00:00:00 2001 From: Nick Lewycky Date: Sun, 12 Jul 2009 05:18:18 +0000 Subject: Implement udiv for ConstantRanges. llvm-svn: 75413 --- llvm/unittests/Support/ConstantRangeTest.cpp | 22 +++++++++------------- 1 file changed, 9 insertions(+), 13 deletions(-) (limited to 'llvm/unittests/Support') diff --git a/llvm/unittests/Support/ConstantRangeTest.cpp b/llvm/unittests/Support/ConstantRangeTest.cpp index d11d776970c..891c209f11c 100644 --- a/llvm/unittests/Support/ConstantRangeTest.cpp +++ b/llvm/unittests/Support/ConstantRangeTest.cpp @@ -319,24 +319,20 @@ TEST_F(ConstantRangeTest, SMax) { TEST_F(ConstantRangeTest, UDiv) { EXPECT_EQ(Full.udiv(Full), Full); EXPECT_EQ(Full.udiv(Empty), Empty); - EXPECT_EQ(Full.udiv(One), Full); - EXPECT_EQ(Full.udiv(Some), Full); + EXPECT_EQ(Full.udiv(One), ConstantRange(APInt(16, 0), + APInt(16, 0xffff / 0xa + 1))); + EXPECT_EQ(Full.udiv(Some), ConstantRange(APInt(16, 0), + APInt(16, 0xffff / 0xa + 1))); EXPECT_EQ(Full.udiv(Wrap), Full); EXPECT_EQ(Empty.udiv(Empty), Empty); EXPECT_EQ(Empty.udiv(One), Empty); EXPECT_EQ(Empty.udiv(Some), Empty); EXPECT_EQ(Empty.udiv(Wrap), Empty); - // TODO: ConstantRange is currently over-conservative here. - EXPECT_EQ(One.udiv(One), Full); - // TODO: ConstantRange is currently over-conservative here. - EXPECT_EQ(One.udiv(Some), Full); - // TODO: ConstantRange is currently over-conservative here. - EXPECT_EQ(One.udiv(Wrap), Full); - // TODO: ConstantRange is currently over-conservative here. - EXPECT_EQ(Some.udiv(Some), Full); - // TODO: ConstantRange is currently over-conservative here. - EXPECT_EQ(Some.udiv(Wrap), Full); - // TODO: ConstantRange is currently over-conservative here. + EXPECT_EQ(One.udiv(One), ConstantRange(APInt(16, 1))); + EXPECT_EQ(One.udiv(Some), ConstantRange(APInt(16, 0), APInt(16, 2))); + EXPECT_EQ(One.udiv(Wrap), ConstantRange(APInt(16, 0), APInt(16, 0xb))); + EXPECT_EQ(Some.udiv(Some), ConstantRange(APInt(16, 0), APInt(16, 0x111))); + EXPECT_EQ(Some.udiv(Wrap), ConstantRange(APInt(16, 0), APInt(16, 0xaaa))); EXPECT_EQ(Wrap.udiv(Wrap), Full); } -- cgit v1.2.3