From d3b64efcb33415e980035371b3e8de1e501a6f12 Mon Sep 17 00:00:00 2001 From: Nuno Lopes Date: Wed, 30 Oct 2013 15:36:50 +0000 Subject: make ConstantRange::signExtend() optimal the case [x, INT_MIN) was not handled optimally git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193694 91177308-0d34-0410-b5e6-96231b3b80d8 --- unittests/Support/ConstantRangeTest.cpp | 3 +++ 1 file changed, 3 insertions(+) (limited to 'unittests') diff --git a/unittests/Support/ConstantRangeTest.cpp b/unittests/Support/ConstantRangeTest.cpp index 4d6bbf6..3e0a085 100644 --- a/unittests/Support/ConstantRangeTest.cpp +++ b/unittests/Support/ConstantRangeTest.cpp @@ -216,6 +216,9 @@ TEST_F(ConstantRangeTest, SExt) { EXPECT_EQ(ConstantRange(APInt(8, 120), APInt(8, 140)).signExtend(16), ConstantRange(APInt(16, -128), APInt(16, 128))); + + EXPECT_EQ(ConstantRange(APInt(16, 0x0200), APInt(16, 0x8000)).signExtend(19), + ConstantRange(APInt(19, 0x0200), APInt(19, 0x8000))); } TEST_F(ConstantRangeTest, IntersectWith) { -- cgit v1.1