Simon Pilgrim 3696ecc401 [X86][SSE] Improve constant folding tests for CVTSD/CVTSS/CVTTSD/CVTTSS
As discussed on D22106, improve the testing for constant folding sse scalar conversion intrinsics to ensure we are correctly handling special/out of range cases

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@274846 91177308-0d34-0410-b5e6-96231b3b80d8
2016-07-08 13:28:34 +00:00
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