Handle TargetData with const.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80262 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2009-08-27 17:51:25 +00:00
parent 0aeed044d6
commit 846a2f2703
2 changed files with 7 additions and 6 deletions

View File

@@ -30,14 +30,14 @@ namespace llvm {
/// bit sets. This code only analyzes bits in Mask, in order to short-circuit
/// processing.
void ComputeMaskedBits(Value *V, const APInt &Mask, APInt &KnownZero,
APInt &KnownOne, TargetData *TD = 0,
APInt &KnownOne, const TargetData *TD = 0,
unsigned Depth = 0);
/// MaskedValueIsZero - Return true if 'V & Mask' is known to be zero. We use
/// this predicate to simplify operations downstream. Mask is known to be
/// zero for bits that V cannot have.
bool MaskedValueIsZero(Value *V, const APInt &Mask,
TargetData *TD = 0, unsigned Depth = 0);
const TargetData *TD = 0, unsigned Depth = 0);
/// ComputeNumSignBits - Return the number of times the sign bit of the
@@ -48,7 +48,7 @@ namespace llvm {
///
/// 'Op' must have a scalar integer type.
///
unsigned ComputeNumSignBits(Value *Op, TargetData *TD = 0,
unsigned ComputeNumSignBits(Value *Op, const TargetData *TD = 0,
unsigned Depth = 0);
/// CannotBeNegativeZero - Return true if we can prove that the specified FP