From 3be107cbf55f69f063795182690a5f9689e1d805 Mon Sep 17 00:00:00 2001 From: Dan Liew Date: Thu, 7 Nov 2013 14:59:37 +0000 Subject: Fixed overshift of logical right shift by constant so that it overshifts to zero. Test case is included. --- test/Solver/overshift-lright-by-constant.kquery | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 test/Solver/overshift-lright-by-constant.kquery (limited to 'test') diff --git a/test/Solver/overshift-lright-by-constant.kquery b/test/Solver/overshift-lright-by-constant.kquery new file mode 100644 index 00000000..cb223dd5 --- /dev/null +++ b/test/Solver/overshift-lright-by-constant.kquery @@ -0,0 +1,14 @@ +# RUN: %kleaver %s > %t +# RUN: not grep INVALID %t +array x[4] : w32 -> w8 = symbolic +# ∀ x. x > 0 → ( x >> 32 = 0 ) +# Check we overshift to zero for when shifting for all 32-bit values >0 + +(query [ (Ult (w32 0) (ReadLSB w32 (w32 0) x)) ] + (Eq + (LShr w32 + (ReadLSB w32 (w32 0) x) + (w32 32) + ) + (w32 0) + ) [ ] [x] ) -- cgit 1.4.1