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Add (currently disabled) code for canFoldSetCC 

llvm-svn: 18820
This commit is contained in:
Brian Gaeke 2004-12-12 06:22:30 +00:00
parent 1cbd5be7a1
commit e5351ad5f0
1 changed files with 10 additions and 0 deletions
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10
llvm/lib/Target/SparcV8/SparcV8ISelSimple.cpp
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@ -1016,6 +1016,16 @@ static inline BasicBlock *getBlockAfter(BasicBlock *BB) {
/// ///
static SetCondInst *canFoldSetCCIntoBranch(Value *V) { static SetCondInst *canFoldSetCCIntoBranch(Value *V) {
return 0; // disable. return 0; // disable.
if (SetCondInst *SCI = dyn_cast<SetCondInst>(V))
if (SCI->hasOneUse()) {
BranchInst *User = dyn_cast<BranchInst>(SCI->use_back());
if (User
&& (SCI->getNext() == User)
&& (getClassB(SCI->getOperand(0)->getType()) != cLong)
&& User->isConditional() && (User->getCondition() == V))
return SCI;
}
return 0;
} }
/// visitBranchInst - Handles conditional and unconditional branches. /// visitBranchInst - Handles conditional and unconditional branches.