diff options
Diffstat (limited to 'lib/Analysis/ValueTracking.cpp')
| -rw-r--r-- | lib/Analysis/ValueTracking.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/Analysis/ValueTracking.cpp b/lib/Analysis/ValueTracking.cpp index 2042d2e0a1..cb2d624a90 100644 --- a/lib/Analysis/ValueTracking.cpp +++ b/lib/Analysis/ValueTracking.cpp @@ -37,7 +37,7 @@ using namespace llvm; /// this won't lose us code quality. void llvm::ComputeMaskedBits(Value *V, const APInt &Mask, APInt &KnownZero, APInt &KnownOne, - TargetData *TD, unsigned Depth) { + const TargetData *TD, unsigned Depth) { const unsigned MaxDepth = 6; assert(V && "No Value?"); assert(Depth <= MaxDepth && "Limit Search Depth"); @@ -609,7 +609,7 @@ void llvm::ComputeMaskedBits(Value *V, const APInt &Mask, /// this predicate to simplify operations downstream. Mask is known to be zero /// for bits that V cannot have. bool llvm::MaskedValueIsZero(Value *V, const APInt &Mask, - TargetData *TD, unsigned Depth) { + const TargetData *TD, unsigned Depth) { APInt KnownZero(Mask.getBitWidth(), 0), KnownOne(Mask.getBitWidth(), 0); ComputeMaskedBits(V, Mask, KnownZero, KnownOne, TD, Depth); assert((KnownZero & KnownOne) == 0 && "Bits known to be one AND zero?"); @@ -626,7 +626,8 @@ bool llvm::MaskedValueIsZero(Value *V, const APInt &Mask, /// /// 'Op' must have a scalar integer type. /// -unsigned llvm::ComputeNumSignBits(Value *V, TargetData *TD, unsigned Depth) { +unsigned llvm::ComputeNumSignBits(Value *V, const TargetData *TD, + unsigned Depth) { assert((TD || V->getType()->isIntOrIntVector()) && "ComputeNumSignBits requires a TargetData object to operate " "on non-integer values!"); |