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InstCombine: Hoist 3 copies of AddOne/SubOne into a header.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199605 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2014-01-19 16:56:10 +00:00
parent c7645e860a
commit 2b03d0051f
4 changed files with 9 additions and 30 deletions
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9
lib/Transforms/InstCombine/InstCombine.h
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@@ -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