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simplify some code by using the new isNaN predicate

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43305 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2007-10-24 18:54:45 +00:00
parent 10c42185d8
commit be3e348c7c
1 changed files with 2 additions and 4 deletions
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6
lib/Transforms/Scalar/InstructionCombining.cpp
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@@ -3637,8 +3637,7 @@ Instruction *InstCombiner::visitAnd(BinaryOperator &I) {
if (ConstantFP *RHSC = dyn_cast<ConstantFP>(RHS->getOperand(1))) { if (ConstantFP *RHSC = dyn_cast<ConstantFP>(RHS->getOperand(1))) {
// If either of the constants are nans, then the whole thing returns // If either of the constants are nans, then the whole thing returns
// false. // false.
if (LHSC->getValueAPF().getCategory() == APFloat::fcNaN || if (LHSC->getValueAPF().isNaN() || RHSC->getValueAPF().isNaN())
RHSC->getValueAPF().getCategory() == APFloat::fcNaN)
return ReplaceInstUsesWith(I, ConstantInt::getFalse()); return ReplaceInstUsesWith(I, ConstantInt::getFalse());
return new FCmpInst(FCmpInst::FCMP_ORD, LHS->getOperand(0), return new FCmpInst(FCmpInst::FCMP_ORD, LHS->getOperand(0),
RHS->getOperand(0)); RHS->getOperand(0));
@@ -4121,8 +4120,7 @@ Instruction *InstCombiner::visitOr(BinaryOperator &I) {
if (ConstantFP *RHSC = dyn_cast<ConstantFP>(RHS->getOperand(1))) { if (ConstantFP *RHSC = dyn_cast<ConstantFP>(RHS->getOperand(1))) {
// If either of the constants are nans, then the whole thing returns // If either of the constants are nans, then the whole thing returns
// true. // true.
if (LHSC->getValueAPF().getCategory() == APFloat::fcNaN || if (LHSC->getValueAPF().isNaN() || RHSC->getValueAPF().isNaN())
RHSC->getValueAPF().getCategory() == APFloat::fcNaN)
return ReplaceInstUsesWith(I, ConstantInt::getTrue()); return ReplaceInstUsesWith(I, ConstantInt::getTrue());
// Otherwise, no need to compare the two constants, compare the // Otherwise, no need to compare the two constants, compare the