diff options
Diffstat (limited to 'lib/Transforms/InstCombine/InstCombine.h')
-rw-r--r-- | lib/Transforms/InstCombine/InstCombine.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/Transforms/InstCombine/InstCombine.h b/lib/Transforms/InstCombine/InstCombine.h index ca834c1094..4021f292d9 100644 --- a/lib/Transforms/InstCombine/InstCombine.h +++ b/lib/Transforms/InstCombine/InstCombine.h @@ -51,6 +51,15 @@ static inline unsigned getComplexity(Value *V) { return isa<Constant>(V) ? (isa<UndefValue>(V) ? 0 : 1) : 2; } +/// AddOne - Add one to a Constant +static inline Constant *AddOne(Constant *C) { + return ConstantExpr::getAdd(C, ConstantInt::get(C->getType(), 1)); +} +/// SubOne - Subtract one from a Constant +static inline Constant *SubOne(Constant *C) { + return ConstantExpr::getSub(C, ConstantInt::get(C->getType(), 1)); +} + /// InstCombineIRInserter - This is an IRBuilder insertion helper that works /// just like the normal insertion helper, but also adds any new instructions |