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Convert a ton of simple integer type equality tests to the new predicate.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92760 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2010-01-05 20:07:06 +00:00
parent 13be48701d
commit 11acaa374c
17 changed files with 36 additions and 39 deletions
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lib/Transforms/Scalar/LoopUnswitch.cpp
+5 -5
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@@ -867,7 +867,7 @@ void LoopUnswitch::RewriteLoopBodyWithConditionConstant(Loop *L, Value *LIC,
// If we know that LIC == Val, or that LIC == NotVal, just replace uses of LIC
// in the loop with the appropriate one directly.
if (IsEqual || (isa<ConstantInt>(Val) &&
Val->getType() == Type::getInt1Ty(Val->getContext()))) {
Val->getType()->isInteger(1))) {
Value *Replacement;
if (IsEqual)
Replacement = Val;
@@ -993,10 +993,10 @@ void LoopUnswitch::SimplifyCode(std::vector<Instruction*> &Worklist, Loop *L) {
case Instruction::And:
if (isa<ConstantInt>(I->getOperand(0)) &&
// constant -> RHS
I->getOperand(0)->getType() == Type::getInt1Ty(I->getContext()))
I->getOperand(0)->getType()->isInteger(1))
cast<BinaryOperator>(I)->swapOperands();
if (ConstantInt *CB = dyn_cast<ConstantInt>(I->getOperand(1)))
if (CB->getType() == Type::getInt1Ty(I->getContext())) {
if (CB->getType()->isInteger(1)) {
if (CB->isOne()) // X & 1 -> X
ReplaceUsesOfWith(I, I->getOperand(0), Worklist, L, LPM);
else // X & 0 -> 0
@@ -1007,10 +1007,10 @@ void LoopUnswitch::SimplifyCode(std::vector<Instruction*> &Worklist, Loop *L) {
case Instruction::Or:
if (isa<ConstantInt>(I->getOperand(0)) &&
// constant -> RHS
I->getOperand(0)->getType() == Type::getInt1Ty(I->getContext()))
I->getOperand(0)->getType()->isInteger(1))
cast<BinaryOperator>(I)->swapOperands();
if (ConstantInt *CB = dyn_cast<ConstantInt>(I->getOperand(1)))
if (CB->getType() == Type::getInt1Ty(I->getContext())) {
if (CB->getType()->isInteger(1)) {
if (CB->isOne()) // X | 1 -> 1
ReplaceUsesOfWith(I, I->getOperand(1), Worklist, L, LPM);
else // X | 0 -> X