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Minor cleanup: use getTrue and getFalse where appropriate. No

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functional change.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60307 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman 2008-11-30 22:48:49 +00:00
parent d1fd1da143
commit 8b019c8a45
1 changed files with 20 additions and 20 deletions
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40
lib/Transforms/Scalar/InstructionCombining.cpp
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@ -5443,9 +5443,9 @@ Instruction *InstCombiner::FoldFCmp_IntToFP_Cst(FCmpInst &I,
Pred = ICmpInst::ICMP_NE;
break;
case FCmpInst::FCMP_ORD:
return ReplaceInstUsesWith(I, ConstantInt::get(Type::Int1Ty, 1));
return ReplaceInstUsesWith(I, ConstantInt::getTrue());
case FCmpInst::FCMP_UNO:
return ReplaceInstUsesWith(I, ConstantInt::get(Type::Int1Ty, 0));
return ReplaceInstUsesWith(I, ConstantInt::getFalse());
}
const IntegerType *IntTy = cast<IntegerType>(LHSI->getOperand(0)->getType());
@ -5465,8 +5465,8 @@ Instruction *InstCombiner::FoldFCmp_IntToFP_Cst(FCmpInst &I,
if (SMax.compare(RHS) == APFloat::cmpLessThan) { // smax < 13123.0
if (Pred == ICmpInst::ICMP_NE || Pred == ICmpInst::ICMP_SLT ||
Pred == ICmpInst::ICMP_SLE)
return ReplaceInstUsesWith(I, ConstantInt::get(Type::Int1Ty, 1));
return ReplaceInstUsesWith(I, ConstantInt::get(Type::Int1Ty, 0));
return ReplaceInstUsesWith(I, ConstantInt::getTrue());
return ReplaceInstUsesWith(I, ConstantInt::getFalse());
}
} else {
// If the RHS value is > UnsignedMax, fold the comparison. This handles
@ -5477,8 +5477,8 @@ Instruction *InstCombiner::FoldFCmp_IntToFP_Cst(FCmpInst &I,
if (UMax.compare(RHS) == APFloat::cmpLessThan) { // umax < 13123.0
if (Pred == ICmpInst::ICMP_NE || Pred == ICmpInst::ICMP_ULT ||
Pred == ICmpInst::ICMP_ULE)
return ReplaceInstUsesWith(I, ConstantInt::get(Type::Int1Ty, 1));
return ReplaceInstUsesWith(I, ConstantInt::get(Type::Int1Ty, 0));
return ReplaceInstUsesWith(I, ConstantInt::getTrue());
return ReplaceInstUsesWith(I, ConstantInt::getFalse());
}
}
@ -5490,8 +5490,8 @@ Instruction *InstCombiner::FoldFCmp_IntToFP_Cst(FCmpInst &I,
if (SMin.compare(RHS) == APFloat::cmpGreaterThan) { // smin > 12312.0
if (Pred == ICmpInst::ICMP_NE || Pred == ICmpInst::ICMP_SGT ||
Pred == ICmpInst::ICMP_SGE)
return ReplaceInstUsesWith(I, ConstantInt::get(Type::Int1Ty, 1));
return ReplaceInstUsesWith(I, ConstantInt::get(Type::Int1Ty, 0));
return ReplaceInstUsesWith(I,ConstantInt::getTrue());
return ReplaceInstUsesWith(I, ConstantInt::getFalse());
}
}
@ -5508,14 +5508,14 @@ Instruction *InstCombiner::FoldFCmp_IntToFP_Cst(FCmpInst &I,
switch (Pred) {
default: assert(0 && "Unexpected integer comparison!");
case ICmpInst::ICMP_NE: // (float)int != 4.4 --> true
return ReplaceInstUsesWith(I, ConstantInt::get(Type::Int1Ty, 1));
return ReplaceInstUsesWith(I, ConstantInt::getTrue());
case ICmpInst::ICMP_EQ: // (float)int == 4.4 --> false
return ReplaceInstUsesWith(I, ConstantInt::get(Type::Int1Ty, 0));
return ReplaceInstUsesWith(I, ConstantInt::getFalse());
case ICmpInst::ICMP_ULE:
// (float)int <= 4.4 --> int <= 4
// (float)int <= -4.4 --> false
if (RHS.isNegative())
return ReplaceInstUsesWith(I, ConstantInt::get(Type::Int1Ty, 0));
return ReplaceInstUsesWith(I, ConstantInt::getFalse());
break;
case ICmpInst::ICMP_SLE:
// (float)int <= 4.4 --> int <= 4
@ -5527,7 +5527,7 @@ Instruction *InstCombiner::FoldFCmp_IntToFP_Cst(FCmpInst &I,
// (float)int < -4.4 --> false
// (float)int < 4.4 --> int <= 4
if (RHS.isNegative())
return ReplaceInstUsesWith(I, ConstantInt::get(Type::Int1Ty, 0));
return ReplaceInstUsesWith(I, ConstantInt::getFalse());
Pred = ICmpInst::ICMP_ULE;
break;
case ICmpInst::ICMP_SLT:
@ -5540,7 +5540,7 @@ Instruction *InstCombiner::FoldFCmp_IntToFP_Cst(FCmpInst &I,
// (float)int > 4.4 --> int > 4
// (float)int > -4.4 --> true
if (RHS.isNegative())
return ReplaceInstUsesWith(I, ConstantInt::get(Type::Int1Ty, 1));
return ReplaceInstUsesWith(I, ConstantInt::getTrue());
break;
case ICmpInst::ICMP_SGT:
// (float)int > 4.4 --> int > 4
@ -5552,7 +5552,7 @@ Instruction *InstCombiner::FoldFCmp_IntToFP_Cst(FCmpInst &I,
// (float)int >= -4.4 --> true
// (float)int >= 4.4 --> int > 4
if (!RHS.isNegative())
return ReplaceInstUsesWith(I, ConstantInt::get(Type::Int1Ty, 1));
return ReplaceInstUsesWith(I, ConstantInt::getTrue());
Pred = ICmpInst::ICMP_UGT;
break;
case ICmpInst::ICMP_SGE:
@ -5575,9 +5575,9 @@ Instruction *InstCombiner::visitFCmpInst(FCmpInst &I) {
// Fold trivial predicates.
if (I.getPredicate() == FCmpInst::FCMP_FALSE)
return ReplaceInstUsesWith(I, Constant::getNullValue(Type::Int1Ty));
return ReplaceInstUsesWith(I, ConstantInt::getFalse());
if (I.getPredicate() == FCmpInst::FCMP_TRUE)
return ReplaceInstUsesWith(I, ConstantInt::get(Type::Int1Ty, 1));
return ReplaceInstUsesWith(I, ConstantInt::getTrue());
// Simplify 'fcmp pred X, X'
if (Op0 == Op1) {
@ -5586,11 +5586,11 @@ Instruction *InstCombiner::visitFCmpInst(FCmpInst &I) {
case FCmpInst::FCMP_UEQ: // True if unordered or equal
case FCmpInst::FCMP_UGE: // True if unordered, greater than, or equal
case FCmpInst::FCMP_ULE: // True if unordered, less than, or equal
return ReplaceInstUsesWith(I, ConstantInt::get(Type::Int1Ty, 1));
return ReplaceInstUsesWith(I, ConstantInt::getTrue());
case FCmpInst::FCMP_OGT: // True if ordered and greater than
case FCmpInst::FCMP_OLT: // True if ordered and less than
case FCmpInst::FCMP_ONE: // True if ordered and operands are unequal
return ReplaceInstUsesWith(I, ConstantInt::get(Type::Int1Ty, 0));
return ReplaceInstUsesWith(I, ConstantInt::getFalse());
case FCmpInst::FCMP_UNO: // True if unordered: isnan(X) | isnan(Y)
case FCmpInst::FCMP_ULT: // True if unordered or less than
@ -5621,11 +5621,11 @@ Instruction *InstCombiner::visitFCmpInst(FCmpInst &I) {
if (ConstantFP *CFP = dyn_cast<ConstantFP>(RHSC)) {
if (CFP->getValueAPF().isNaN()) {
if (FCmpInst::isOrdered(I.getPredicate())) // True if ordered and...
return ReplaceInstUsesWith(I, ConstantInt::get(Type::Int1Ty, 0));
return ReplaceInstUsesWith(I, ConstantInt::getFalse());
assert(FCmpInst::isUnordered(I.getPredicate()) &&
"Comparison must be either ordered or unordered!");
// True if unordered.
return ReplaceInstUsesWith(I, ConstantInt::get(Type::Int1Ty, 1));
return ReplaceInstUsesWith(I, ConstantInt::getTrue());
}
}