start using the new helper methods a bit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135251 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2011-07-15 06:08:15 +00:00
parent b447387726
commit c73b24db5f
4 changed files with 21 additions and 23 deletions

View File

@@ -2767,7 +2767,7 @@ void LSRInstance::GenerateCrossUseConstantOffsets() {
// value to the immediate would produce a value closer to zero than the
// immediate itself, then the formula isn't worthwhile.
if (const SCEVConstant *C = dyn_cast<SCEVConstant>(NewF.ScaledReg))
if (C->getValue()->getValue().isNegative() !=
if (C->getValue()->isNegative() !=
(NewF.AM.BaseOffs < 0) &&
(C->getValue()->getValue().abs() * APInt(BitWidth, F.AM.Scale))
.ule(abs64(NewF.AM.BaseOffs)))

View File

@@ -812,7 +812,7 @@ Value *Reassociate::OptimizeAdd(Instruction *I,
// because we can percolate the negate out. Watch for minint, which
// cannot be positivified.
if (ConstantInt *CI = dyn_cast<ConstantInt>(Factor))
if (CI->getValue().isNegative() && !CI->getValue().isMinSignedValue()) {
if (CI->isNegative() && !CI->isMinValue(true)) {
Factor = ConstantInt::get(CI->getContext(), -CI->getValue());
assert(!Duplicates.count(Factor) &&
"Shouldn't have two constant factors, missed a canonicalize");