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authorrdivacky <rdivacky@FreeBSD.org>2010-01-01 10:34:51 +0000
committerrdivacky <rdivacky@FreeBSD.org>2010-01-01 10:34:51 +0000
commitbb1e3bc1e0be2b8f891db46457a8943451bf4d8b (patch)
tree1e68501209c9133fbda8d45171e59f8d6f12dd55 /lib/Analysis/SValuator.cpp
parent77212133072dc40f070a280af8217032f55a9eb4 (diff)
downloadFreeBSD-src-bb1e3bc1e0be2b8f891db46457a8943451bf4d8b.zip
FreeBSD-src-bb1e3bc1e0be2b8f891db46457a8943451bf4d8b.tar.gz
Updaet clang to 92395.
Diffstat (limited to 'lib/Analysis/SValuator.cpp')
-rw-r--r--lib/Analysis/SValuator.cpp17
1 files changed, 9 insertions, 8 deletions
diff --git a/lib/Analysis/SValuator.cpp b/lib/Analysis/SValuator.cpp
index ac727b0..49bc0c4 100644
--- a/lib/Analysis/SValuator.cpp
+++ b/lib/Analysis/SValuator.cpp
@@ -72,10 +72,14 @@ SValuator::CastResult SValuator::EvalCast(SVal val, const GRState *state,
// Check for casts from integers to pointers.
if (Loc::IsLocType(castTy) && originalTy->isIntegerType()) {
if (nonloc::LocAsInteger *LV = dyn_cast<nonloc::LocAsInteger>(&val)) {
- // Just unpackage the lval and return it.
+ if (const MemRegion *R = LV->getLoc().getAsRegion()) {
+ StoreManager &storeMgr = ValMgr.getStateManager().getStoreManager();
+ R = storeMgr.CastRegion(R, castTy);
+ return R ? CastResult(state, loc::MemRegionVal(R))
+ : CastResult(state, UnknownVal());
+ }
return CastResult(state, LV->getLoc());
}
-
goto DispatchCast;
}
@@ -136,15 +140,12 @@ SValuator::CastResult SValuator::EvalCast(SVal val, const GRState *state,
// different type. If the MemRegion* returned is NULL, this expression
// evaluates to UnknownVal.
R = storeMgr.CastRegion(R, castTy);
-
- if (R)
- return CastResult(state, loc::MemRegionVal(R));
-
- return CastResult(state, UnknownVal());
+ return R ? CastResult(state, loc::MemRegionVal(R))
+ : CastResult(state, UnknownVal());
}
- // All other cases.
DispatchCast:
+ // All other cases.
return CastResult(state,
isa<Loc>(val) ? EvalCastL(cast<Loc>(val), castTy)
: EvalCastNL(cast<NonLoc>(val), castTy));
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