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| author | Dan Liew <daniel.liew@imperial.ac.uk> | 2013-11-07 11:52:18 +0000 |
|---|---|---|
| committer | Dan Liew <daniel.liew@imperial.ac.uk> | 2014-02-14 17:52:18 +0000 |
| commit | ed963d407e5de9b09191324f5e277ea40e1aea0b (patch) | |
| tree | 347ff1077ca1ea1159bf8a17099a97bbe84bb165 /test | |
| parent | 458eb00a569445b82decf5687cb4716217ad1ad6 (diff) | |
| download | klee-ed963d407e5de9b09191324f5e277ea40e1aea0b.tar.gz | |
Fixed overshifting an expression by a constant so that we overshift to
zero. A test case was added for this. In addition the use to vc_bvExtract() was removed for shifting left by an expression because we don't want/need bitmasked behaviour anymore.
Diffstat (limited to 'test')
| -rw-r--r-- | test/Solver/overshift-left-by-constant.kquery | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/Solver/overshift-left-by-constant.kquery b/test/Solver/overshift-left-by-constant.kquery new file mode 100644 index 00000000..e0709100 --- /dev/null +++ b/test/Solver/overshift-left-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 + (Shl w32 + (ReadLSB w32 (w32 0) x) + (w32 32) + ) + (w32 0) + ) [ ] [x] ) |